Data Package Metadata View Summary

Data for: Reburning before recovery: Effects of short-interval fire on subalpine forest nitrogen stocks and fluxes

General Information

Data Package:

Local Identifier:

edi.1806.1

Title:

Data for: Reburning before recovery: Effects of short-interval fire on subalpine forest nitrogen stocks and fluxes

Alternate Identifier:

DOI PLACE HOLDER

Abstract:

In forests adapted to infrequent (>100-yr) stand-replacing fires, novel short-interval (<30-yr) fires have started to burn young forests before they recover from previous burns. Postfire tree regeneration is reduced, plant communities shift, soils are hotter and drier, but effects on biogeochemical cycling are unresolved. This study focused on how postfire nitrogen (N) stocks, N availability and N fixation varied in lodgepole pine (Pinus contorta var. latifolia) forests burned at long and short intervals in Grand Teton National Park (Wyoming, USA). This data package includes our field data from 2021 and 2022, along with laboratory analyses of foliar and litter chemistry, resin-sorbed N, and field measurements of N fixation. The data included here were also used to compute aboveground N stocks. Our study found that short-interval fires reduced and repartitioned aboveground N stocks, but soil N stocks were unaffected. Results indicate that these shifts in N pools and fluxes suggest reburns can markedly alter N cycling in subalpine forests. The citation for the publication associated with these data is:

Turner, M. G., R. E. Heumann, N. G. Kiel, J. A. Warren, and C. C. Cleveland. Reburning before recovery: Effects of short-interval fire on subalpine forest nitrogen stocks and fluxes. Ecosystems (In press)

Publication Date:

2024-11-20

For more information:
Visit:	DOI PLACE HOLDER

Time Period

Begin:

2021-07-01

End:

2022-08-31

People and Organizations
Contact:	Turner, Monica G (University of Wisconsin-Madison, Professor) [ email ]
Contact:	Cleveland, Cory C (University of Montana, Professor) [ email ]
Creator:	Turner, Monica G (University of Wisconsin-Madison, Professor)
Creator:	Heumann, Robert E (University of Montana, PhD student)
Creator:	Kiel, Nathan G (University of Wisconsin-Madison, PhD student)
Creator:	Warren, Julia A (University of Wisconsin-Madison, Research technician)
Creator:	Cleveland, Cory C (University of Montana, Professor)

Data Entities
Data Table Name:	Plot_Locations
Description:	Plot locations (UTMs, NAD83), burn class and elevation
Data Table Name:	PostfireTreeCounts
Description:	Counts of postfire tree stems recorded in 2021 along thee 2-m x 50 m belt transects in each plot. Sampled area is thus 100 meters squared
Data Table Name:	PostfireTreeSizes
Description:	Size measurements of postfire lodgepole pine and aspen in each plot recorded in 2021
Data Table Name:	Berry_coarse_wood
Description:	Raw data for downed coarse wood transects using Brown's transects.
Data Table Name:	Berry_snag_dbh
Description:	Diameter at breast height measurements for fire-killed standing dead trees (snags) measured in 2021, five years after the 2016 Berry Fire.
Data Table Name:	Berry_snag_density
Description:	Density of standing dead snags killed by the 2016 Berry Fire and sampled in 2021.
Data Table Name:	FoliarCN
Description:	Foliar nitrogen and carbon for lodgepole pine, aspen and dominant understory species in each plot.
Data Table Name:	SoilLitter
Description:	Soil and litter data by quadrant within each plot
Data Table Name:	ResinN_2022
Description:	Resin-sorbed nitrogen for resin bags incubated from July 2021 to July 2022
Data Table Name:	Nfixation_ARA_rates_2021
Description:	Measured rates of acetylene reduction to measure nitrogenase activity in pine litter, mineral soil and moss
Data Table Name:	Nfixation_total_inputs_2021
Description:	Estimate N inputs from N fixation by niche and summed; includes mean and standard error by plot
Data Table Name:	AspenAllometry
Description:	Measurements and mass of aspen foliage and wood used to develop allometric equations to predict aboveground biomass from non-destructive morphological measurements. Berry samples were collected in July 2022 by Julia Warren. Samples from other sites were collected in July 2014 by Winslow Hansen, and these are a subset of data from Hansen et al. (2016, Forest Ecology and Management 362:218-230).
Data Table Name:	UnderstoryAllometryData
Description:	Dry mass of aboveground biomass for understory species allometric equations
Data Table Name:	HerbaceousCover2021
Description:	Plant species richness and understory percent cover by species and for litter, bare soil, and charred litter. Data were averaged from 25 50-cm x 50-cmquadrants per plot and reported at the plot level.

Detailed Metadata

Data Entities

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/e108a2bd251c287b2f23f64fd5f3ce5f
Name:	Plot_Locations
Description:	Plot locations (UTMs, NAD83), burn class and elevation
Number of Records:	12
Number of Columns:	6

Table Structure

Object Name:

Plot_Locations.csv

Size:

568 byte

Authentication:

76f54a571bd141142f0635e4f5d3a67f Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

BurnClass

Plot

Easting

Northing

Elevation

Column Name:

Site

BurnClass

Plot

Easting

Northing

Elevation

Definition:

Name of the site used for this dataset

Three burn categories were used in this study.

Number for each of the 12 plots sampled in this study.

UTM Easting, NAD83 datum, for plot center

UTM Northing, NAD83 datum, for plot center

Plot elevation

Storage Type:

string

integer

Measurement Type:

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Plots are in areas burned by the 2000 Glade Firre, 2016 Berry Fire, or in both fires.
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Longint
Definition	Plots were burned at long interval (> 130 years) in the 2016 Berry Fire and were 5 years postfire when sampled in 2021.
Source

Code Definition

Code	Not_reburned
Definition	Plots were burned at long interval (> 130 years) in the 2000 Glade Fire and were 21 years postfire when sampled in 2021.
Source

Code Definition

Code	Reburn
Definition	Plots were burned in both the 2000 Glade Fire and 2016 Berry Fire and considered short-interval (16 yr) reburns. Plots were 5 years postfire when sampled in 2021.
Source

Unit	Number
Type	integer

Unit	meter
Type	integer

Unit	meter
Type	integer

Unit	meter
Type	integer

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/fda3b6da6df36eb46eeeceeefaa349a7
Name:	PostfireTreeCounts
Description:	Counts of postfire tree stems recorded in 2021 along thee 2-m x 50 m belt transects in each plot. Sampled area is thus 100 meters squared
Number of Records:	36
Number of Columns:	11

Table Structure

Object Name:

PostfireTreeCounts.csv

Size:

1340 byte

Authentication:

0805b2eedbd217634eaadf558ecf98e2 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Plot

Transect

Pico > 2 yr

Pico ≤ 2 yr

Psme

Pien

Abla

Pial

Potr clumps

Total ramets

Column Name:

Site

Plot

Transect

Pico > 2 yr

Pico ≤ 2 yr

Psme

Pien

Abla

Pial

Potr clumps

Total ramets

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Plots numbered as defined in plot data.

Transects were each 2-m x 50-m running due north.

Postfire lodgepole pine stems greater than 2 years of age

Postfire lodgepole pine seedlings 1 or 2 years of age

Postfire Douglas-fir stems

Postfire Engelmann spruce stems

Postfire subalpine fir stems

Postfire whitebark pine stems

Number of aspen root crowns with live postfire ramets

Postfire ramets of aspen (root crowns can have one or more ramets, this is total ramets)

Storage Type:

string

integer

string

integer

float

integer

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Unit	Number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	Transect 1 is the western-most edge of the plot, centered on meter 1 of the south baseline
Source

Code Definition

Code	2
Definition	Transect 2 is in the middle of the plot, centered on meter 25 of the south baseline.
Source

Code Definition

Code	3
Definition	Transect 3 is the eastern-most edge of the plot, centered on meter 49
Source

Unit	Number per 100 square meters
Type	integer

Unit	Number per 100 square meters
Type	real

Unit	Number per 100 square meters
Type	real

Unit	Number per 100 square meters
Type	real

Unit	Number per 100 square meters
Type	real

Unit	Number per 100 square meters
Type	real

Unit	Number per 100 square meters
Type	integer

Unit	Number per 100 square meters
Type	integer

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/bb2a830664ba67bdf21958323b749042
Name:	PostfireTreeSizes
Description:	Size measurements of postfire lodgepole pine and aspen in each plot recorded in 2021
Number of Records:	300
Number of Columns:	14

Table Structure

Object Name:

PostfireTreeSizes.csv

Size:

17658 byte

Authentication:

e5020698b33a4f3fc293ac437ef3e133 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

BurnClass

Plot

Trans

Position (m)

TreeNum

Species

BasalDiam(cm)

DBH (cm)

height (cm)

Cones?

Species2

Ramets/clump

TallestRametHt (cm)

Column Name:

Site

BurnClass

Plot

Trans

Position (m)

TreeNum

Species

BasalDiam(cm)

DBH (cm)

height (cm)

Cones?

Species2

Ramets/clump

TallestRametHt (cm)

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Three burn categories were used in this study.

Plots numbered as defined in plot data.

Transect number with 1 on the western edge, 2 in the middle and 3 on the eastern edge. All transects run due north and are 50-m long.

Position along a 50-m tape running due north at which the nearest individual was measured.

Sampled stems were numbered 1-25.

This column is all lodgepole pine (Pinus contorta)

Basal diameter of the tree stem.

Diameter at breast height (1.4 m) for each of 25 postfire lodgepole pines measured in each plot.

Height of each individual

Each lodgepole pine was assessed for cone presence

This colum is all aspen (Populus tremuloides)

The number of ramets growing from the root crown of a single postfire aspen

Height of the tallest ramet for each measured aspen.

Storage Type:

string

integer

string

integer

string

float

string

float

Measurement Type:

nominal

ratio

nominal

ratio

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	LongInt
Definition	Plots were burned at long interval (> 130 years) in the 2016 Berry Fire and were 5 years postfire when sampled in 2021.
Source

Code Definition

Code	NotReburned
Definition	Plots were burned at long interval (> 130 years) in the 2000 Glade Fire and were 21 years postfire when sampled in 2021.
Source

Code Definition

Code	Reburn
Definition	Plots were burned in both the 2000 Glade Fire and 2016 Berry Fire and considered short-interval (16 yr) reburns. Plots were 5 years postfire when sampled in 2021.
Source

Unit	Number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	Transect 1 is the western-most edge of the plot, centered on meter 1 of the south baseline
Source

Code Definition

Code	2
Definition	Transect 2 is in the middle of the plot, centered on meter 25 of the south baseline.
Source

Code Definition

Code	3
Definition	Transect 3 is the eastern-most edge of the plot, centered on meter 49 of the baseline
Source

Unit	meter
Type	integer

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	PICO
Definition	Pinus contorta var. latifolia
Source

Unit	centimeter
Type	real

Unit	centimeter
Type	real

Unit	centimeter
Type	real

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	No
Definition	No cones present.
Source

Code Definition

Code	Yes
Definition	One or more cones present.
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	POTR
Definition	Species is aspen
Source

Unit	number
Type	real

Unit	centimeter
Type	real

Missing Value Code:

Code	.
Expl	Indicates no lodgepole pine stem near that meter position.

Code	.
Expl	Missing if trees were below DBH height (less than 1.4 m tall)

Code	.
Expl	Indicates no lodgepole pine stem near that meter position.

Code	.
Expl	Indicates no aspens near that meter position.

Code	.
Expl	Indicates no aspens near that meter position.

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/80c75fc31d0d92a20be7c6a93f726e73
Name:	Berry_coarse_wood
Description:	Raw data for downed coarse wood transects using Brown's transects.
Number of Records:	540
Number of Columns:	6

Table Structure

Object Name:

Berry_planar.csv

Size:

13786 byte

Authentication:

8b707062f0a390f2d40294c4cda6a601 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Plot

CW_trans

Lognumber

Diam(cm)

Decay class

Column Name:

Site

Plot

CW_trans

Lognumber

Diam(cm)

Decay class

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Number for each of the 12 plots sampled in this study.

Transect (3 per plot) along which downed coarse wood was measured.

The number for logs that were intercepted and measured along each coarse wood transect.

Cross-sectional diameter for coarse wood measured where it intercepts the transect.

Classes 1-5 range from sound (1) to highly decayed (5) logs.

Storage Type:

string

integer

float

integer

float

string

Measurement Type:

nominal

ratio

nominal

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Unit	1-6, 11-13, 21-23
Type	integer

Unit	Transect 1-3.
Type	integer

Unit	Count data.
Type	integer

Unit	centimeter
Type	real

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	"Ghost log", applies only to sampling done in 2017; these were not included in analyses for this study of N stocks.
Source

Code Definition

Code	1
Definition	Bark intact, needles present, fine twigs present, sound wood, round
Source

Code Definition

Code	2
Definition	Bark intact, needles absent, branch system entire, sound wood, round
Source

Code Definition

Code	3
Definition	Bark sloughing or absend, large branches present, mostly sound wood, round
Source

Code Definition

Code	4
Definition	Bark detached or absent, only large but reduced branches present, mostly rotten but center may be sound, round to oval
Source

Code Definition

Code	5
Definition	Bark detached or absent, needles and branches absent, rotten throughout, oval to collapsed shape
Source

Missing Value Code:

Code	.
Expl	Indicates decay class was not recorded.

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/6edd92f6ffa7b4403158467127da22e7
Name:	Berry_snag_dbh
Description:	Diameter at breast height measurements for fire-killed standing dead trees (snags) measured in 2021, five years after the 2016 Berry Fire.
Number of Records:	75
Number of Columns:	7

Table Structure

Object Name:

Berry_snag_dbh.csv

Size:

2457 byte

Authentication:

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Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Plot

Tran

Distance

Snag_num

Species

DBH (cm)

Column Name:

Site

Plot

Tran

Distance

Snag_num

Species

DBH (cm)

Definition:

Plots were all at the BerryGlade site

Numbers for three plots in which snags were sampled and measured.

Transect number with 1 on the western edge, 2 in the middle and 3 on the eastern edge. All transects run due north and are 50-m long.

Distance from south baseline running north along the transect at which nearest snag was measured.

Snag number for 25 snags measured in each plot.

Abbreviation for the species of each snag sampled.

Diameter at breast height for each of 25 snags measured in each plot.

Storage Type:

string

float

integer

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for plots sampled in this study.
Source

Unit	Count
Type	integer

Unit	Number
Type	integer

Unit	meter
Type	integer

Unit	Count
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	ABLA
Definition	Abies lasiocarpa
Source

Code Definition

Code	PICO
Definition	Pinus contorta var. latifolia
Source

Unit	centimeter
Type	real

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/eae015c60ebfdedc46711464e3e78695
Name:	Berry_snag_density
Description:	Density of standing dead snags killed by the 2016 Berry Fire and sampled in 2021.
Number of Records:	9
Number of Columns:	5

Table Structure

Object Name:

Berry_snag_density.csv

Size:

201 byte

Authentication:

dda39af5b0dbd73cb48da8a3d129ff45 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Plot

Trans

PICO

ABLA

TOTAL

Column Name:

Plot

Trans

PICO

ABLA

TOTAL

Definition:

Plot number for the three plots with standing-dead snags.

Transect number with 1 on the western edge, 2 in the middle and 3 on the eastern edge. All transects run due north and are 50-m long.

Density of standing dead lodgepole pine (Pinus contorta var. latifolia trees)

Density of standing dead subalpine fir (Abies lasiocarpa) trees

Total number of snags (both species) along each transect

Storage Type:

float

integer

float

integer

Measurement Type:

ratio

Measurement Values Domain:

Unit	Number
Type	integer

Unit	Number
Type	integer

Unit	numberPerHectare
Type	integer

Unit	numberPerHectare
Type	real

Unit	numberPerHectare
Type	integer

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/c7113e42c0f943b4db4c786f8dfa0c20
Name:	FoliarCN
Description:	Foliar nitrogen and carbon for lodgepole pine, aspen and dominant understory species in each plot.
Number of Records:	252
Number of Columns:	7

Table Structure

Object Name:

FoliarCN.csv

Size:

9882 byte

Authentication:

bc8c74d5acc31d71edd9b190be2c52ce Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Plot

Quadrant identified by direction.

Species

Sample

Column Name:

Site

Plot

Quadrant_dir

Species

Sample

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Number for each of the 12 plots sampled in this study.

Location within the 50-m x 50-m plot from which tree foliage samples were collected.

Abbreviation for the species for which foliage N and C were measured.

For lodgepole pine, two branches were sampled

Percent nitrogen measured in foliage sample

Percent carbon measured in foliage sample

Storage Type:

string

integer

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Unit	Number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	NE
Definition	Northeast quadrant
Source

Code Definition

Code	NW
Definition	Northwest quadrant
Source

Code Definition

Code	SE
Definition	Southeast quadrant
Source

Code Definition

Code	SW
Definition	Southwest quadrant
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	AGGL
Definition	Agoseris glauca
Source

Code Definition

Code	Arco
Definition	Arnica cordifolia
Source

Code Definition

Code	Cage
Definition	Carex geyrii
Source

Code Definition

Code	Caro
Definition	Carex rossii
Source

Code Definition

Code	Caru
Definition	Calamagrastis rubscens
Source

Code Definition

Code	Chan
Definition	Chamerion angustifolium
Source

Code Definition

Code	Copa
Definition	Collinsia parviflora
Source

Code Definition

Code	Gevi
Definition	Geranium viscosissimum
Source

Code Definition

Code	Hial
Definition	Hieracium albiflorum
Source

Code Definition

Code	Lout
Definition	Lonicera utahensis
Source

Code Definition

Code	Luar
Definition	Lupinus argenteus
Source

Code Definition

Code	Pico
Definition	Pinus contorta var. latifolia
Source

Code Definition

Code	Potr
Definition	Populus tremuloides
Source

Code Definition

Code	Shca
Definition	Shepherdia canadensis
Source

Code Definition

Code	Somi
Definition	Solidago missouriensis
Source

Code Definition

Code	Somu
Definition	Solidago multiradiata
Source

Code Definition

Code	Spbe
Definition	Spirea betulifolia
Source

Code Definition

Code	Vasc
Definition	Vaccinium scoparium
Source

Unit	Count
Type	integer

Unit	percent
Type	real

Unit	percent
Type	real

Missing Value Code:

Code	.
Expl	Understory species were not collected by quadrant.

Code	.
Expl	Sample only applies for lodgepole pine

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/fde344ed2b6a5e295313a6c67745bded
Name:	SoilLitter
Description:	Soil and litter data by quadrant within each plot
Number of Records:	48
Number of Columns:	11

Table Structure

Object Name:

SoilLitter.csv

Size:

3433 byte

Authentication:

2d47a4236ed24f8a0f9f3cd1ae8300b0 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

BurnClass

TSF(yrs)

Plot

Litter_g

Litter_pctN

Litter_pctC

Soil_pctN

Soil_pctC

Soil_bd

Column Name:

Site

BurnClass

TSF(yrs)

Plot

Quad

Litter_g

Litter_pctN

Litter_pctC

Soil_pctN

Soil_pctC

Soil_bd

Definition:

Name of the site used for this dataset

Three burn categories were used in this study.

Time since fire (stand age) in 2021.

Plots numbered as defined in plot data.

Quadrants identified by their direction within each 50-m x 50-m plot

Mass of litter within 3 quadrats (30 cm x 30 cm) with combined internal area of 2187 cm squared

Percent nitrogen in litter sample

Percent carbon measured in litter sample

Percent nitrogen in mineral soil (0-15 cm) sample

Percent carbon measured in mineral soil (0-15 cm) sample

Fine fraction (< 2 mm) soil density

Storage Type:

string

float

integer

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Longint
Definition	Plots were burned at long interval (> 130 years) in the 2016 Berry Fire and were 5 years postfire when sampled in 2021.
Source

Code Definition

Code	Not_reburned
Definition	Plots were burned at long interval (> 130 years) in the 2000 Glade Fire and were 21 years postfire when sampled in 2021.
Source

Code Definition

Code	Reburn
Definition	Plots were burned in both the 2000 Glade Fire and 2016 Berry Fire and considered short-interval (16 yr) reburns. Plots were 5 years postfire when sampled in 2021.
Source

Unit	year
Type	real

Unit	Number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	NE
Definition	Northeast quadrant
Source

Code Definition

Code	NW
Definition	Northwest quadrant
Source

Code Definition

Code	SE
Definition	Southeast quadrant
Source

Code Definition

Code	SW
Definition	Southwest quadrant
Source

Unit	gram
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	KilogramPerLiter
Type	real

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/9c788b156b5ec383e9ac47b2a3aacfc0
Name:	ResinN_2022
Description:	Resin-sorbed nitrogen for resin bags incubated from July 2021 to July 2022
Number of Records:	192
Number of Columns:	8

Table Structure

Object Name:

ResinN_2022.csv

Size:

7860 byte

Authentication:

4be5d335a264559cb904334c6c59e016 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Plot

Quadrant_dir

Quad_num

Direction

NO3

NH4

Nmin

Column Name:

Site

Plot

Quadrant_dir

Quad_num

Direction

NO3

NH4

Nmin

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Plots numbered as defined in plot data.

Quadrants identified by their direction within each 50-m x 50-m plot

Quadrants identified by number

One resin bag was deployed in each cardinal directions from center of each quadrant

Annual rate of resin-sorbed nitrate (each bag contained 20 g resin)

Annual rate of resin-sorbed ammonium (each bag contained 20 g resin)

Annual rate of resin-sorbed nitrate plus ammonium (each bag contained 20 g resin)

Storage Type:

string

integer

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Unit	Number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	NE
Definition	Northeast quadrant
Source

Code Definition

Code	NW
Definition	Northwest quadrant
Source

Code Definition

Code	SE
Definition	Southeast quadrant
Source

Code Definition

Code	SW
Definition	Southwest quadrant
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	Northwest quadrant
Source

Code Definition

Code	2
Definition	Northeast quadrant
Source

Code Definition

Code	3
Definition	Southwest quadrant
Source

Code Definition

Code	4
Definition	Southeast quadrant
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	E
Definition	East
Source

Code Definition

Code	N
Definition	North
Source

Code Definition

Code	S
Definition	South
Source

Code Definition

Code	W
Definition	West
Source

Unit	microgram N per resin bag per day
Type	real

Unit	microgram N per resin bag per day
Type	real

Unit	microgram N per resin bag per day
Type	real

Missing Value Code:

Code	.
Expl	Resin bag was missing and not retrieved.

Code	.
Expl	Resin bag was missing and not retrieved.

Code	.
Expl	Resin bag was missing and not retrieved.

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/8d32e9d4e738a3720ef1fd74ed699be9
Name:	Nfixation_ARA_rates_2021
Description:	Measured rates of acetylene reduction to measure nitrogenase activity in pine litter, mineral soil and moss
Number of Records:	106
Number of Columns:	5

Table Structure

Object Name:

Nfixation_ARA_rates_2021.csv

Size:

3737 byte

Authentication:

fdc2f7b56cb2eabf0fcf1545b8fe87c6 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Plot

Quad_dir

ARA_rate

Column Name:

Site

Plot

Quad_dir

Niche

ARA_rate

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Plots numbered as defined in plot data.

Quadrants identified by their direction within each 50-m x 50-m plot

Three niches in which acetylene reduction assays were conducted.

Measured rates or acetylene reduction by niche

Storage Type:

string

integer

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name associated with all plots sampled in this study.
Source

Unit	Number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	NE
Definition	Northeast quadrant
Source

Code Definition

Code	NW
Definition	Northwest quadrant
Source

Code Definition

Code	SE
Definition	Southeast quadrant
Source

Code Definition

Code	SW
Definition	Southwest quadrant
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	lichen
Definition	lichen
Source

Code Definition

Code	litter
Definition	pine needle litter
Source

Code Definition

Code	moss
Definition	moss (Ceratodon purpureus)
Source

Code Definition

Code	soil
Definition	mineral soil (0-2 cm)
Source

Unit	nmol of C2H4 per gram per hour
Type	real

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/a18bf20f90806f881394577bff710880
Name:	Nfixation_total_inputs_2021
Description:	Estimate N inputs from N fixation by niche and summed; includes mean and standard error by plot
Number of Records:	12
Number of Columns:	10

Table Structure

Object Name:

Nfixation_total_inputs_2021.csv

Size:

875 byte

Authentication:

e6aff924f9e9b204b3dfce4b62093a67 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

site

plot

BurnClass

kg_N_ha_yr_moss

kg_N_ha_yr_soil

kg_N_ha_yr_litter

se_kg_ha_yr_moss

se_kg_ha_yr_soil

se_kg_ha_yr_litter

total_N_inputs

Column Name:

site

plot

BurnClass

kg_N_ha_yr_moss

kg_N_ha_yr_soil

kg_N_ha_yr_litter

se_kg_ha_yr_moss

se_kg_ha_yr_soil

se_kg_ha_yr_litter

total_N_inputs

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Number for each of the 12 plots sampled in this study.

Three burn categories were used in this study.

N fixation from moss

N fixation from mineral soil

N fixation from pine needle litter

Standard error for N fixed by moss

Standard error for N fixed in mineral soil

Standard error for N fixed in pine litter

Sum of all niches for N fixed in each plot

Storage Type:

string

integer

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Unit	Number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Longint
Definition	Plots were burned at long interval (> 130 years) in the 2016 Berry Fire and were 5 years postfire when sampled in 2021.
Source

Code Definition

Code	Not_reburned
Definition	Plots were burned at long interval (> 130 years) in the 2000 Glade Fire and were 21 years postfire when sampled in 2021.
Source

Code Definition

Code	Reburn
Definition	Plots were burned in both the 2000 Glade Fire and 2016 Berry Fire and considered short-interval (16 yr) reburns. Plots were 5 years postfire when sampled in 2021.
Source

Unit	kg N/ha/yr
Type	real

Unit	kg N/ha/yr
Type	real

Unit	kg N/ha/yr
Type	real

Unit	kg N/ha/yr
Type	real

Unit	kg N/ha/yr
Type	real

Unit	kg N/ha/yr
Type	real

Unit	kg N/ha/yr
Type	real

Missing Value Code:

Code	.
Expl	Missing data indicates absent niche.

Code	.
Expl	Missing data indicates absent niche.

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/7b71212004892ad79330afee4870d837
Name:	AspenAllometry
Description:	Measurements and mass of aspen foliage and wood used to develop allometric equations to predict aboveground biomass from non-destructive morphological measurements. Berry samples were collected in July 2022 by Julia Warren. Samples from other sites were collected in July 2014 by Winslow Hansen, and these are a subset of data from Hansen et al. (2016, Forest Ecology and Management 362:218-230).
Number of Records:	82
Number of Columns:	12

Table Structure

Object Name:

AspenAllometry.csv

Size:

3674 byte

Authentication:

b110c6ee3b66e0094101240c5ada65ea Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Site

Aspen tree number

Tree foilage width (cm)

Ramet number

Ramet height (cm)

Basal diameter (cm)

DBH (cm)

Ramet leaf mass (g)

Ramet wood mass (g)

Tree leaf mass (g)

Tree wood mass (g)

Num ramets

Column Name:

Site

Aspen tree number

Tree foilage width (cm)

Ramet number

Ramet height (cm)

Basal diameter (cm)

DBH (cm)

Ramet leaf mass (g)

Ramet wood mass (g)

Tree leaf mass (g)

Tree wood mass (g)

Num ramets

Definition:

Name of site from which sample was collected

Number of tree collected at a given site.

Maximum width of the tree crown

For a given aspen, ramets are numbered if each was harvested separately.

Height of individual ramets from root crown to tip of ramet.

For each ramet, the basal diameter is measured close to the root crown.

Diameter at breast height for any aspen stem or ramet that reached 1.37 m in height.

Dry mass of foliage collected from each ramet.

Dry mass for individual aspen ramets.

Dry mass for all foliage on a given aspen tree (includes all ramets associated with that root crown)

Dry mass for wood associated with a harvested aspen.

The number of ramets growing from the root crown of a single aspen tree.

Storage Type:

string

integer

float

integer

float

Measurement Type:

nominal

ratio

Measurement Values Domain:

Definition

text

Unit	number
Type	real

Unit	centimeter
Type	real

Unit	Count for ramets per tree
Type	integer

Unit	centimeter
Type	real

Unit	centimeter
Type	real

Unit	centimeter
Type	real

Unit	gram
Type	real

Unit	gram
Type	real

Unit	gram
Type	real

Unit	gram
Type	real

Unit	Count of ramets per tree
Type	real

Missing Value Code:

Code	.
Expl	Indicates data were not collected for a particular measurement.

Code	.
Expl	For some individuals, each ramet was not harvested separately.

Code	.
Expl	If height was not measured on individual ramet.

Code	.
Expl	If basal diameter was not measured on each ramet, this is indicated as missing.

Code	.
Expl	Indicates DBH was not measured.

Code	.
Expl	For some trees, foliage was combined by tree, not by ramet.

Code	.
Expl	Ramets from some harvested trees were weighed in aggregate.

Code	.
Expl	Foliage was weighed by rammet for some trees.

Code	.
Expl	Wood was weighed by ramet for some trees.

Code	.
Expl	Some data were recorded by tree, with ramets not weighed individually, or the column only applies by tree.

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/876ce11af1ad3a2ae4f180ab62fe00d0
Name:	UnderstoryAllometryData
Description:	Dry mass of aboveground biomass for understory species allometric equations
Number of Records:	40
Number of Columns:	4

Table Structure

Object Name:

UnderstoryAllometryData.csv

Size:

907 byte

Authentication:

b0860eaf4469908eeb735df04c4e8f65 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

Species

Percent cover

Dry mass (g/0.25 m2)

Drymass (g/m2)

Column Name:

Species

Percent cover

Dry mass (g/0.25 m2)

Drymass (g/m2)

Definition:

Abbreviation for the species sampled.

Percent cover of that species measured in a 50 cm x 50 cm quadrat frame

Dry mass of the aboveground biomass of that species harvested within the 50 cm x 50 cm quadrat frame.

Dry mass of that species scaled to the g/m2

Storage Type:

string

integer

float

Measurement Type:

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	GEVI
Definition	Geranium viscosissimum
Source

Code Definition

Code	LOUT
Definition	Lonicera utahensis
Source

Code Definition

Code	SHCA
Definition	Shepherdia canadensis
Source

Code Definition

Code	SPBE
Definition	Spirea betulifolia
Source

Unit	percent
Type	integer

Unit	gram per quarter square meter
Type	real

Unit	gramPerMeterSquared
Type	real

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/1806/1/d59296639f8f54fe13c59e02437e14c8
Name:	HerbaceousCover2021
Description:	Plant species richness and understory percent cover by species and for litter, bare soil, and charred litter. Data were averaged from 25 50-cm x 50-cmquadrants per plot and reported at the plot level.
Number of Records:	12
Number of Columns:	115

Table Structure

Object Name:

HerbaceousCover2021.csv

Size:

4594 byte

Authentication:

71269af5c0c8ebdd11e7015d56bfdb1b Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

site

plot

richness

totcov

forb

gram

shrub

ACMI

AGGL

ANMI

ARCO

ASME

COLI

EPAN

EPCI

FRVI

GADI

HIAL

LASE

LUAR

TAOF

AGSC

CAGE

CARO

CARU

TRSP

CEVE

SPBE

VASC

baresoil

litternochar

charlitter

rock

wood

moss

lichencrust

AGAU

ANMA

ARABISSP

ARECON

ARLA

ASTERSP

ASTRAGALUS

CAMRO

CIAR

COPA

ERISPE

GENAMA

HICY

PODO

RUAC

SOLIDAGOSP

STIPASP

VIOLASP

OTHERFORB

AGCA

BRTE

CACA

CAREXSP

ELGL

POASP

OTHERGRAM

LOUT

MARE

VACE

VAME

OTHERSHRUB

ASIN

SOMI

ELYMUSSP

ARPA

FRVE

GNPA

SALE

GNVI

HITR

SHCA

SASC

CAOVgr

TRDU

PONE

ACOC

ELEL

ARGL

GEVI

SILENESP

SOMU

claspaster

POAR

GABO

SOCA

HOJU

AGOSERIS?

ANTENSP

POASP2

PHAL

ANRO

LOAR

PEGA

ASMI

wiry

Festuca?

ERIGERONSP

GERANIUMSP

APAN

ARUV

CRFE

SPRU

LEPIDIUM

DRPA

ARTR

ARHO

GERI

AMAL

RIVI

Column Name:

site

plot

richness

totcov

forb

gram

shrub

ACMI

AGGL

ANMI

ARCO

ASME

COLI

EPAN

EPCI

FRVI

GADI

HIAL

LASE

LUAR

TAOF

AGSC

CAGE

CARO

CARU

TRSP

CEVE

SPBE

VASC

baresoil

litternochar

charlitter

rock

wood

moss

lichencrust

AGAU

ANMA

ARABISSP

ARECON

ARLA

ASTERSP

ASTRAGALUS

CAMRO

CIAR

COPA

ERISPE

GENAMA

HICY

PODO

RUAC

SOLIDAGOSP

STIPASP

VIOLASP

OTHERFORB

AGCA

BRTE

CACA

CAREXSP

ELGL

POASP

OTHERGRAM

LOUT

MARE

VACE

VAME

OTHERSHRUB

ASIN

SOMI

ELYMUSSP

ARPA

FRVE

GNPA

SALE

GNVI

HITR

SHCA

SASC

CAOVgr

TRDU

PONE

ACOC

ELEL

ARGL

GEVI

SILENESP

SOMU

claspaster

POAR

GABO

SOCA

HOJU

AGOSERIS?

ANTENSP

POASP2

PHAL

ANRO

LOAR

PEGA

ASMI

wiry

Festuca?

ERIGERONSP

GERANIUMSP

APAN

ARUV

CRFE

SPRU

LEPIDIUM

DRPA

ARTR

ARHO

GERI

AMAL

RIVI

Definition:

These data are all for the "BerryGlade" site, named for the Berry and Glade fires.

Plots numbered as defined in plot data.

Number of vascular plant species in 2021 for each 50-m x 50-m plot

Total percent cover of live non-tree vegetation

Total percent cover of live forbs

Total percent cover of live graminoids

Total percent cover of live shrubs

Percent cover of Achillea millefolium

Percent cover of Agoseris glauca

Percent cover of Antennaria microphylla

Percent cover of Arnica cordifolia

Percent cover of Aster meritus

Percent cover of Collomia linearis

Percent cover of Epilobium angustifolium (now Chamerion angustifolium)

Percent cover of Epilobium ciliatum

Percent cover of Fragaria virginiana

Percent cover of Gayophytum diffusum

Percent cover of Hieracium albiflorum

Percent cover of Lactuca serriola

Percent cover of Lupinus argenteus

Percent cover of Taraxacum officinale

Percent cover of Agrostis scabra

Percent cover of Carex geyeri

Percent cover of Carex rossii

Percent cover of Calamagrostis rubescens

Percent cover of Trisetum spicatum

Percent cover of Ceonothus velutinus

Percent cover of Spiraea betulifolia

Percent cover of Vaccinium scoparium

Percent cover of bare mineral soil

Percent cover of uncharred litter (e.g., pine needles, senesced leaves)

Percent cover of charred litter

Percent cover of rock

Percent cover of woody material

Percent cover of mosses (any species)

Percent cover of any lichen crust

Percent cover of Agoseris aurantiaca

Percent cover of Anaphalis margaritacea

Percent cover of Arabis spp.

Percent cover of Arenaria congesta

Percent cover of Arnica latifolia

Percent cover of Aster spp.

Percent cover of Astrafa;is spp.

Percent cover of Campanula rotundifolia

Percent cover of Cirsium arvense

Percent cover of Collinsia parviflora

Percent cover of Erigeron speciosus

Percent cover of Gentianella amarella

Percent cover of Hieracium cynoglossoides

Percent cover of Polygonum douglassii

Percent cover of Rumex acetosella

Percent cover of Solidago spp.

Percent cover of Stipa spp.

Percent cover of Viola spp.

Percent cover of other unknown forb

Percent cover of Agropyron canium

Percent cover of Bromus tectorum

Percent cover of Calamagrostis canadensis

Percent cover of Carex spp.

Percent cover of Elymus glaucu

Percent cover of Poa spp.

Percent cover of other unknown graminoid

Percent cover of Lonicera utahensis

Percent cover of Mahonia repens

Percent cover of Vaccinium cespitosum

Percent cover of Vaccinium membranaceum

Percent cover of other unknown shrub

Percent cover of Aster integrifolius

Percent cover of Solidago missouriensis

Percent cover of Elymus spp.

Percent cover of Arnica parryi

Percent cover of Fragaria virginiana

Percent cover of Gnaphalium palustre

Percent cover of Salix lemmonii

Percent cover of Gnaphalium viscosum

Percent cover of Hieracium triste

Percent cover of Shepherdia canadensis

Percent cover of Salix scouleriana

Percent cover of Carex ovalis group

Percent cover of Tragopogon dubius

Percent cover of Poa nervosa

Percent cover of Achnatherum occidentale

Percent cover of Elymus elymoides

Percent cover of Arabis glabra

Percent cover of Geranium viscosissimum

Percent cover of Siliene spp.

Percent cover of Solidago multiradiata

Percent cover of a clasping Aster

Percent cover of Potentilla arguta

Percent cover of Galium boreale

Percent cover of Solidago canadensis

Percent cover of Hordeum jubatum

Percent cover of Agoseris spp.

Percent cover of Antennaria spp.

Percent cover of Poa (another species)

Percent cover of Phleum alpinum

Percent cover of Antennaria rosea

Percent cover of Logfia arvensis

Percent cover of Perideridia gairdneri

Percent cover of Astragulus miser

Percent cover of wiry unknown

Percent cover of Festuca spp.

Percent cover of Erigeron spp.

Percent cover of Geranium spp.

Percent cover of Apocynum androsaemifolium

Percent cover of Arcostaphylos uva-ursi

Percent cover of Cryptantherum fendlerii

Percent cover of Spergularia rubra

Percent cover of Lepieium spp.

Percent cover of Dracocephalum parviflora

Percent cover of Artemisia tridentata

Percent cover of Arabis holbellii

Percent cover of Geranium richardsonii

Percent cover of Amalanchier alnifolium

Percent cover of Ribes viscosissimum

Storage Type:

string

integer

float

Measurement Type:

nominal

ratio

Measurement Values Domain:

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	BerryGlade
Definition	Site name for all plots sampled in this study.
Source

Unit	number
Type	integer

Unit	number
Type	integer

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

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Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Unit	percent
Type	real

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Package Usage Rights

This information is released under the Creative Commons license - Attribution - CC BY (https://creativecommons.org/licenses/by/4.0/). The consumer of these data ("Data User" herein) is required to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is." The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.

Keywords

By Thesaurus:
(No thesaurus)	Disturbance ecology, Fire regime, Greater Yellowstone, Nutrient cycling, Biogeochemistry

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package

Description:

Study Design

The study was conducted in areas burned by two fires. The 1,280-ha Glade Fire burned during summer 2000 in 120- and 150-yr old lodgepole pine forests that had regenerated after stand-replacing fires in 1856 and 1879, thus burning within the region’s historical long FRI. The 8,500-ha Berry Fire burned during summer 2016 in similar old lodgepole pine forests and in 16-yr old lodgepole pines that regenerated after the Glade Fire. We sampled 12 study plots to contrast the effects of short-interval (16 yr) fire with (a) areas burned as long-interval fire in the same most recent fire (2016), and (b) areas that regenerated after the same previous long-interval fire (2000) that had not reburned.

Stand structure and plant communities were sampled in July 2021. We tallied all postfire tree seedlings and aspen ramets in three 50-m x 2-m belt transects oriented due north and separated by 25 m along the south baseline that ran due east. At 5-m intervals along each transect, we located the nearest lodgepole pine and recorded its basal diameter and diameter at breast height (DBH) if height ≥ 1.37 m (n = 25 trees/plot). We also located the nearest aspen and recorded the number and height of each ramet emerging from a root crown. Because aspens were patchy within and among plots, we measured up to 25 aspens per plot based on their presence. Forest understory vegetation (graminoids, forbs, shrubs) was sampled by recording percent cover by species in 25 quadrats (0.50-m x 0.50-m) spaced at 5-m intervals along each transect. Percent cover of bare mineral soil, litter, moss, lichen and wood was also recorded in each quadrat. Data were then averaged by plot.

Downed coarse wood (≥ 7.5 cm diameter) was measured in 2017 in the nine previously established plots in which fire-killed snags had already fallen (Turner et al. 2019), so we did not re-measure coarse wood in those plots in 2021. We sampled downed coarse wood in the three newly established plots using the same protocols. Measurements were made along three 31.25-m Brown’s transects oriented at azimuths of 0º, 120º and 240º to avoid potential sample bias from non-random orientation of logs. Decay class (1-5, from sound to rotten) was also recorded for each log. Fre-killed trees were still standing in these three plots (TSF = 5 yrs), and we counted all snags rooted within each 50-m  2-m belt transect by species and recorded the DBH of the nearest snag at each 5-m interval (n = 25 snags).

Organic N Concentrations

N concentrations. Litter and soils were sampled in July 2021. Each plot was subdivided into four 25-m x 25-m quadrants. At 3-m from each quadrant centroid in three sub-cardinal directions (northeast, southeast, and southwest; n = 12 per plot), we collected a mineral soil core (2-cm diameter x 15-cm depth) and all aboveground litter within a 30-cm x 30-cm quadrat frame; the internal dimensions of the quadrat frame were 27-cm x 27-cm, and this inner area was used when extrapolating litter mass to the plot. Litter samples were air dried in the field, returned to the lab, dried at 60˚C to constant mass, and the mass recorded. Litter and soil samples were analyzed for C and N content on a Thermo Flash EA 1112 analyzer. In July 2023, we revisited each plot to measure soil bulk density by collecting a mineral soil core (5-cm diameter x 15-cm depth) from each quadrant. Samples were dried at 105˚C and weighed to obtain bulk density estimates, then sieved and weighed again to obtain fine fraction (< 2 mm diameter) density.

Foliar N was sampled in July 2022. For trees, we collected fully emerged foliage from eight lodgepole pines in each plot (two in each quadrant) and, when present, from eight distinct aspen ramets in each plot. We identified a lodgepole pine representative in size of the dominant postfire cohort located three to four meters to the northeast and southwest from the centroid of each quadrant. We harvested a branch from the upper, middle, and lower third of the canopy of each tree, selecting branches exposed to sun when possible. For very small lodgepole pines (e.g., 5-yr old stems), all foliage was collected from each individual. Foliage was removed from each branch, placed in paper bags by tree, and woody material was discarded. A similar procedure was followed for aspens. For the understory vegetation, we identified the five most abundant species in each plot from the 2021 percent cover data. For each of these species in each plot, we collected all aboveground biomass from at least five individuals. Samples were composited by species in each plot. Foliage samples were processed for C and N analysis as described above for litter samples.

N stocks. Calculation of N stocks from raw data are described in Turner et al. (in press). For this study, We developed new allometric equations for aboveground biomass of aspen ramets and four understory species that were not included in our prior studies. The data used for computing the allometric equations are included in this data package.

Annual Inorganic N Availability

We incubated 16 mixed-bed ion exchange resin bags in each plot for one year (July 2021 to July 2022) as an index of plant-available N. Bags were constructed from undyed nylon stocking material and filled with 20 g of mixed-bed ion exchange resin beads (J. T. Baker). Resin bags were soaked in 2M KCl and rinsed with deionized water prior to deployment. We installed one resin bag in each cardinal direction at a distance of 2 m from each quadrant centroid. Resin bags were retrieved in July 2022. Results were adjusted for the number of days of incubation and reported in µg N bag-1 day-1. This data package includes results from all resin bags that were retrieved; in some cases, bags were disturbed by wildlife during the year or were missing.

N Fixation

We sampled N fixation in litter, soils and moss in July 2021 using an acetylene reduction assay to measure nitrogenase activity. Samples of pine litter, mineral soil (0-2 cm) and moss crust (Ceratodon purpureus) were collected into 50-ml acrylic tubes from each quadrant of each plot and processed the same day. Samples were injected with acetylene (C2H2) gas to replace 10% of the tube headspace with C2H2 (generated via calcium carbide reaction with water). The headspace was mixed after injection, and samples were incubated for 18 to 24 hours in a partially wooded stand at ambient temperature. After incubation, headspace samples were collected and stored in vacuum sealed serum vials for transport back to the University of Montana. C2H4 production was then measured using a Shimadzu GC-2014 equipped with a flame ionization detector (Shimadzu Inc., Kyoto, Japan).

Nitrogen fixation rates were calculated by assuming a theoretical conversion ratio of 3 mol C2H4 : 1 mol N2 fixed. Following incubation, litter and moss samples were oven dried at 60° C for 72 hours and soil samples at 105° C to obtain dry masses. We then paired fixation rates with plot-level cover of moss crust and plot-level litter mass to estimate the amounts of N being fixed by these niches. Soil N fixation rates were scaled up using the total area and mean fine fraction density of soils in each plot to a depth of 2 cm. Plot-level N fluxes from fixation in the three niches were then extrapolated on an hourly basis to annual growing season estimates.

References cited

Turner, M. G., K. H. Braziunas, W. D. Hansen, and B. J. Harvey. 2019. Short-interval fire erodes the resilience of subalpine lodgepole pine forests. Proceedings of the National Academy of Sciences 116:11319-11328

People and Organizations

Publishers:

Organization:

Environmental Data Initiative

Email Address:

info@edirepository.org

Web Address:

https://edirepository.org

Id:

https://ror.org/0330j0z60

Creators:

Individual:

Monica G Turner

Organization:

University of Wisconsin-Madison

Position:

Professor

Email Address:

turnermg@wisc.edu

Id:

https://orcid.org/0000-0003-1903-2822

Individual:

Robert E Heumann

Organization:

University of Montana

Position:

PhD student

Email Address:

robert.heumann@umconnect.umt.edu

Individual:

Nathan G Kiel

Organization:

University of Wisconsin-Madison

Position:

PhD student

Email Address:

ngkiel@esf.edu

Id:

https://orcid.org/0000-0001-9623-9785

Individual:

Julia A Warren

Organization:

University of Wisconsin-Madison

Position:

Research technician

Email Address:

jaw843@nau.edu

Individual:

Cory C Cleveland

Organization:

University of Montana

Position:

Professor

Email Address:

cory.cleveland@umontana.edu

Id:

https://orcid.org/0000-0002-8804-4248

Contacts:

Individual:

Monica G Turner

Organization:

University of Wisconsin-Madison

Position:

Professor

Email Address:

turnermg@wisc.edu

Web Address:

https://turnerlab.ibio.wisc.edu/

Id:

https://orcid.org/0000-0003-1903-2822

Individual:

Cory C Cleveland

Organization:

University of Montana

Position:

Professor

Email Address:

cory.cleveland@umontana.edu

Id:

https://orcid.org/0000-0002-8804-4248

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period

Begin:

2021-07-01

End:

2022-08-31

Geographic Region:

Description:

We studied subalpine forests (ca. 2150 m elevation) in Grand Teton National Park, Wyoming, USA. Plots were located in the John D. Rockefeller Parkway parcel, south of Yellowstone National Park and west of Highway 191.

Bounding Coordinates:

Northern:	44.121991	Southern:	44.063531
Western:	-110.781325	Eastern:	-110.694503

Taxonomic Range:

Classification:

Rank Name:	Subspecies
Rank Value:	Pinus contorta var. latifolia

Project

Parent Project Information:

Title:

Nitrogen recovery in postfire lodgepole pine forests: cryptic sources, uncertain futures

Personnel:

Individual:

Monica G Turner

Organization:

University of Wisconsin-Madison

Position:

Professor

Email Address:

turnermg@wisc.edu

Id:

https://orcid.org/0000-0003-1903-2822

Role:

Principle investigator

Individual:

Cory C Cleveland

Organization:

University of Montana

Position:

Professor

Email Address:

cory.cleveland@umontana.edu

Id:

https://orcid.org/0000-0002-8804-4248

Role:

Pinciple investigator

Abstract:

Western conifer forests are being transformed by fire, and young postfire forests blanket more of the landscape each year as fire frequency and size increase. As historically long intervals between high-severity fires (100-300 yr) decline, young forests (< 30 yrs) are also starting to reburn before trees are reproductively mature and nutrient stocks are replenished. Yet, there is a surprising paucity of knowledge about nitrogen (N) recovery in aggrading young forests that regenerate after high-severity fire. Northern conifer forests are typically strongly N limited, but how ecosystem N stocks lost via combustion are replenished following stand-replacing fires in western forests where symbiotic N-fixers are scant is unknown. For example, studies after the massive 1988 Yellowstone Fires documented large increases in forest ecosystem N stocks from 15 to 25 years postfire despite the absence of N-fixing trees, minimal cover of N-fixing herbs, and very low rates of atmospheric N deposition; the sources of N recovery are unresolved. Increased fire frequency could reduce N pools and alter recovery rates if young forests reburn, but such consequences remain unexplored. Using field observations and an experiment, this research will determine how N recovers in aggrading postfire lodgepole pine (Pinus contorta var. latifolia) stands in Greater Yellowstone (Wyoming, USA) and how N recovery might change with more frequent stand-replacing fire. Key knowledge gaps in terrestrial ecosystem ecology will be addressed within three questions: (1) What are the sources and rates of N inputs in aggrading lodgepole pine forests (< 40 yrs postfire), and how do sources and rates vary with stand structure and time since fire? (2) How does N availability regulate N fixation and N limitation in aggrading young (< 40 yr) lodgepole pine forests with increasing time since fire? (3) How do short-interval (< 30 yr) stand-replacing fires affect N fixation, N availability, and N stocks? Understanding ecosystem dynamics in young postfire forests is urgent, as these forests will shape patterns of wildlife habitat and the ecosystem services upon which people depend for decades.

Additional Award Information:

Funder:	National Science Foundation
Number:	DEB-2027261
Title:	Collaborative Research: Nitrogen recovery in postfire lodgepole pine forests: cryptic sources, uncertain future

Additional Award Information:

Funder:	National Science Foundation
Number:	DEB-2027263
Title:	Collaborative Research: Nitrogen recovery in postfire lodgepole pine forests: cryptic sources, uncertain future

Additional Award Information:

Funder:	University of Wisconsin Vilas Trust
Title:	Vilas Research Professorship

Maintenance

Maintenance:

Description:	Data collection for this study occurred in 2021 and 2022 and is now completed. Corrections or update to the data files will be submitted by Monica Turner.
Frequency:

Other Metadata

Additional Metadata

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Additional Metadata

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Copyright 2024 Environmental Data Initiative. This material is based upon work supported by the National Science Foundation under grants #2223103 and #2223104. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Please contact us with questions, comments, or for technical assistance regarding this web site or the Environmental Data Initiative. Please read our privacy policy to know what information we collect about you and to understand your privacy rights.

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Data Package Metadata View Summary

Data for: Reburning before recovery: Effects of short-interval fire on subalpine forest nitrogen stocks and fluxes

Data Entities

Data Table

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Data Package Usage Rights

Keywords

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Parent Project Information:

Maintenance

Additional Metadata

Additional Metadata

Recently Added

Recently Updated

Data Package Metadata View Summary

Data for: Reburning before recovery: Effects of short-interval fire on subalpine forest nitrogen stocks and fluxes

+/- Data Entities

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