Data Package Metadata View Summary

Hort Farm Aquatic Research Ponds Zooplankton Taxonomic Information and Biomass from 2019-2020

General Information

Data Package:
Local Identifier:	edi.90003.1
Title:	Hort Farm Aquatic Research Ponds Zooplankton Taxonomic Information and Biomass from 2019-2020
Alternate Identifier:	DOI PLACE HOLDER
Abstract:	This zooplankton dataset is derived from two ecosystem experiments conducted at the Iowa State University Horticultural Research Station (42.110005, -93.580454) in six experimental ponds. Several lakes in Iowa were undergoing targeted harvest of bigmouth buffalo and common carp (Cyprinus carpio) and this experiment asked, does the density of bigmouth buffalo within a shallow lake affect its ecosystem resilience to pulse perturbation? In summer 2019, the ponds were split into three experimental pairs containing no fish, a harvested density (150 kg/ha) of bigmouth buffalo (Ictiobus cyprinellus), and an ambient density (450 kg/ha) with densities based on surveys conducted in Iowa shallow lakes. One pond from each experimental pair was subjected to a pulse nutrient loading event of phosphorus and nitrogen at a 25:1 ratio in order to simulate heavy runoff from a storm event 4 weeks following addition of bigmouth buffalo. Whether energy is cycled through benthic or pelagic pathways in foodwebs may have an effect on ecosystem resilience to pulse nutrient loading events. The more 'coupled' a food web is between benthic and pelagic pathways, the more efficiently it could cycle an influx of nutrients. In summer 2020, the ponds were again split into three experimental pairs to ask, does the degree of benthic-pelagic coupling within a food web affect ecosystem resilience to pulse nutrient loading. The ponds contained either bluegill-perch (low benthic-pelagic coupling), bluegill-perch-largemouth bass (intermediate benthic-pelagic coupling), or bluegill-perch-largemouth bass-fathead minnows (high benthic-pelagic coupling). One pond in each experimental pair was subjected to a nutrient pulse of nitrogen and phosphorus at a 25:1 ratio twice: once four weeks after fish addition and again another four weeks after the first nutrient pulse. Zooplankton were sampled by vertically towing a Wisconsin net with 63 μm mesh from a depth of 1 m. The zooplankton sample was concentrated to approximately 60 mL using a 63 μm mesh cup and then 60 mL of 10% formalin sucrose solution was added to preserve the organisms. After 5 days in the formalin solution, the sample was transferred to 70% ethanol for storage prior to identification. For each sample, all of the zooplankton were identified and enumerated in a 1 mL subsample. Using a stereomicroscope, zooplankton were identified to genus for cladocerans and rotifers, and family for copepod. If 60 organisms were not identified in the first 1 mL subsample, an additional 1 mL subsample was enumerated. Up to 25 individuals from each taxa were also measured for length to calculate biomass using allometric relationship. For statistical analysis the zooplankton taxa were divided into calanoids, cyclopoids, copepod nauplii, rotifers, small-bodied cladocerans (i.e., Bosmina, Chydorus), and large-bodied cladocerans (i.e., Daphnia, Camptocercus, Ceriodaphnia, Simocephalus, Diaphanosoma).
Publication Date:	2021-02-22

Time Period

Begin:

2019-04-24

End:

2019-07-24

Time Period

Begin:

2020-05-21

End:

2020-08-28

People and Organizations
Contact:	Butts, Tyler (University of Wisconsin-Madison, Graduate Research Assistant ) [ email ]
Creator:	Butts, Tyler J (University of Wisconsin-Madison, Graduate Research Assistant )
Creator:	Wilkinson, Grace (University of Wisconsin-Madison, Assistant Professor)
Associate:	Sandry, Elena (Iowa State University, Laboratory Manager , Technician)
Associate:	Kremer, Matthew (Iowa State University, Undergraduate Technician, Lab Technician)
Associate:	Tarnow, Michael (Iowa State University, Undergraduate Technician, Field Technician)
Associate:	Rasmusson, Jenna (Iowa State University, Undergraduate Technician, Field & Lab Technician)

Data Entities
Data Table Name:	2019_Hort_ZoopBiomass_zoo955_clean
Description:	Zooplankton taxomomic and biomass information from the 2019 Hort Farm Aquatic Research Ponds ecosytem experiment
Data Table Name:	2020_Hort_ZoopBiomass_zoo955_clean
Description:	Zooplankton taxomomic and biomass information from the 2020 Hort Farm Aquatic Research Ponds ecosytem experiment

Detailed Metadata

Data Entities

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/90003/1/a3f7893ae9cd2ce3793280409e289c3d
Name:	2019_Hort_ZoopBiomass_zoo955_clean
Description:	Zooplankton taxomomic and biomass information from the 2019 Hort Farm Aquatic Research Ponds ecosytem experiment
Number of Records:	6525
Number of Columns:	9

Table Structure

Object Name:

2019_Hort_ZoopBiomass_zoo955_clean.csv

Size:

453530

Authentication:

7311c1c37810f24c0d3935e005386023 Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

sample.id

year

pond

doy

taxon

group

foodweb

treatment

biomass

Column Name:

sample.id

year

pond

doy

taxon

group

foodweb

treatment

biomass

Definition:

Sample identification for each sample. E refers to the project (experimental ponds), 19 refers to the year (2019), 001-006 refers to the pond identity (A-F), 115-204 refers to the day of year, and zoo indicates the data is zooplankton data

Calendar Year

The identity of the research pond at the Iowa State University Horticultural Research Station

Julian Calendar: Day of Year 2019

Lowest taxonomic identifier for each zooplankton taxa

Larger taxonomic grouping

Food web configuration within each experimental pond

Identifier for whether the pond recieved a nutrient pulse of nitrogen and phosphorus on day of year 170, 2019

Zooplankton biomass derived from taxa-specific length/weight regressions

Storage Type:

string

dateTime

string

float

string

float

Measurement Type:

nominal

dateTime

nominal

ratio

nominal

ratio

Measurement Values Domain:

Definition

Format	YYYY
Precision

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	A
Definition	Research pond 1 designated as A
Source

Code Definition

Code	B
Definition	Research pond 2 designated as B
Source

Code Definition

Code	C
Definition	Research pond 3 designated as C
Source

Code Definition

Code	D
Definition	Research pond 4 designated as D
Source

Code Definition

Code	E
Definition	Research pond 5 designated as E
Source

Code Definition

Code	F
Definition	Research pond 6 designated as F
Source

Unit	day of year
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	taxon
Definition	Lowest identified taxonomic organization for zooplankton taxa present within the dataset
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Calanoid
Definition	Calanoida
Source

Code Definition

Code	Cyclopoid
Definition	Cyclopoida
Source

Code Definition

Code	LgCladocera
Definition	Large Cladocera
Source

Code Definition

Code	Nauplii
Definition	Nauplii
Source

Code Definition

Code	Rotifer
Definition	Rotifera
Source

Code Definition

Code	SmCladocera
Definition	Small Cladocera
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	ambient
Definition	Ambient density of bigmouth buffalo according to surveys of shallow lakes in Iowa (450 kg/ha)
Source

Code Definition

Code	harvested
Definition	Density of bigmouth buffalo post-commercial harvest based on a survey of shallow lakes in Iowa (150 kg/ha)
Source

Code Definition

Code	nofish
Definition	Reference pond which contained a 0 density of bigmouth buffalo
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Pulsed_DOY170
Definition	Indicates that these ponds were pulsed on day 170, 2019
Source

Code Definition

Code	Reference
Definition	Indicates these ponds did not recieve a nutrient pulse of nitrogen and phosphorus for the duration of the experiment
Source

Unit	microgramPerLiter
Type	real

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/edi/90003/1/c5d17fe9086ab4cbf3a2743cb02ba51f
Name:	2020_Hort_ZoopBiomass_zoo955_clean
Description:	Zooplankton taxomomic and biomass information from the 2020 Hort Farm Aquatic Research Ponds ecosytem experiment
Number of Records:	3780
Number of Columns:	10

Table Structure

Object Name:

2020_Hort_ZoopBiomass_zoo955_clean.csv

Size:

278949

Authentication:

dcd3c65049a260842c17a7c3b28c6dcc Calculated By MD5

Text Format:

Number of Header Lines:

Record Delimiter:

\r\n

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

sample.id

year

pond

doy

taxon

group

foodweb

treatment

treatment_time

biomass

Column Name:

sample.id

year

pond

doy

taxon

group

foodweb

treatment

treatment_time

biomass

Definition:

Sample identification for each sample. E refers to the project (experimental ponds), 20 refers to the year (2020), A-F refers to the pond identity, 143-243 refers to the day of year

Calendar Year

The identity of the research pond at the Iowa State University Horticultural Research Station

Julian Calendar: Day of Year 2020

Lowest taxonomic identifier for each zooplankton taxa

Larger taxonomic grouping of zooplankton taxa

Food web configuration within each experimental pond

Identifier for whether the pond recieved a nutrient pulse of nitrogen and phosphorus during the course of the experiment

Identifier for when the pond recieved a nutrient pulse of nitrogen and phosphorus during the course of the experiment

zooplankton biomass derived from taxa-specific length/weight regressions

Storage Type:

string

dateTime

string

float

Measurement Type:

nominal

dateTime

nominal

ratio

Measurement Values Domain:

Definition

Sample identification for each sample. E refers to the project (experimental ponds), 20 refers to the year (2020), A-F refers to the pond identity, 143-243 refers to the day of year

Format	YYYY
Precision

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	A
Definition	Research pond 1 designated as A
Source

Code Definition

Code	B
Definition	Research pond 2 designated as B
Source

Code Definition

Code	C
Definition	Research pond 3 designated as C
Source

Code Definition

Code	D
Definition	Research pond 4 designated as D
Source

Code Definition

Code	E
Definition	Research pond 5 designated as E
Source

Code Definition

Code	F
Definition	Research pond 6 designated as F
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	143
Definition	Julian Day of Year 143, 2020
Source

Code Definition

Code	150
Definition	Julian Day of Year 150, 2020
Source

Code Definition

Code	157
Definition	Julian Day of Year 157, 2020
Source

Code Definition

Code	164
Definition	Julian Day of Year 164, 2020
Source

Code Definition

Code	171
Definition	Julian Day of Year 171, 2020
Source

Code Definition

Code	178
Definition	Julian Day of Year 178, 2020
Source

Code Definition

Code	185
Definition	Julian Day of Year 185, 2020
Source

Code Definition

Code	192
Definition	Julian Day of Year 192, 2020
Source

Code Definition

Code	199
Definition	Julian Day of Year 199, 2020
Source

Code Definition

Code	206
Definition	Julian Day of Year 206, 2020
Source

Code Definition

Code	213
Definition	Julian Day of Year 213, 2020
Source

Code Definition

Code	220
Definition	Julian Day of Year 220, 2020
Source

Code Definition

Code	227
Definition	Julian Day of Year 227, 2020
Source

Code Definition

Code	234
Definition	Julian Day of Year 234, 2020
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	taxon
Definition	Lowest taxonomic identifier for zooplankton taxa
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Calanoid
Definition	Calanoida
Source

Code Definition

Code	Cyclopoid
Definition	Cyclopoida
Source

Code Definition

Code	LgCladocera
Definition	Large Cladocera
Source

Code Definition

Code	Nauplii
Definition	Nauplii
Source

Code Definition

Code	Rotifer
Definition	Rotifera
Source

Code Definition

Code	SmCladocera
Definition	Small Cladocera
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	highbenpel
Definition	High benthic-pelagic coupling: Food web consisting of largemouth bass, bluegill, yellow perch, fathead minnows
Source

Code Definition

Code	intermbenpel
Definition	Intermediate benthic-pelagic coupling: Food web consisting of largemouth bass, bluegill, yellow perch
Source

Code Definition

Code	lowbenpel
Definition	Low benthic-pelagic coupling: Food web consisting of bluegill, yellow perch
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Pulsed
Definition	Code signifying whether or not the experimental pond recieved a nutrient pulse of nitrogen and phosphorus at a 25:1 ratio approximately four weeks following fish addition. Pulsed signifies the pond recieved a nutrient pulse.
Source

Code Definition

Code	Reference
Definition	Code signifying whether or not the experimental pond recieved a nutrient pulse of nitrogen and phosphorus at a 25:1 ratio approximately four weeks following fish addition. Reference signifies that the pond recieved no nutrient pulse.
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	postpulse1
Definition	Period of time post the first nutrient pulse delivered on DOY 176 (after sampling occurred for that day)
Source

Code Definition

Code	postpulse2
Definition	Period of time post the second nutrient pulse delivered on DOY 211 (after sampling occurred for that day)
Source

Code Definition

Code	prepulse
Definition	Period of time where there was no nutrient pulse delivered
Source

Unit	microgramPerLiter
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:
LTER Controlled Vocabulary	ecosystems, zooplankton, food webs
(No thesaurus)	ecosystem resilience, experimental ponds, shallow lakes

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:

Zooplankton were sampled by vertically towing a Wisconsin net with 63 μm mesh from a depth of 1 m. The zooplankton sample was concentrated to approximately 60 mL using a 63 μm mesh cup and then 60 mL of 10% formalin sucrose solution was added to preserve the organisms. After 5 days in the formalin solution, the sample was transferred to 70% ethanol for storage prior to identification. For each sample, all of the zooplankton were identified and enumerated in a 1 mL subsample. Using a stereomicroscope, zooplankton were identified to genus for cladocerans and rotifers, and family for copepod. If 60 organisms were not identified in the first 1 mL subsample, an additional 1 mL subsample was enumerated. Up to 25 individuals from each taxa were also measured for length to calculate biomass using allometric relationships. For statistical analysis the zooplankton taxa were divided into calanoids, cyclopoids, copepod nauplii, rotifers, small-bodied cladocerans (i.e., Bosmina, Chydorus), and large-bodied cladocerans (i.e., Daphnia, Camptocercus, Ceriodaphnia, Simocephalus, Diaphanosoma).

Instrument(s):

Stereomicroscope

People and Organizations

Publishers:

Organization:

Environmental Data Initiative

Email Address:

info@environmentaldatainitiative.org

Web Address:

https://environmentaldatainitiative.org

Creators:

Individual:

Tyler J Butts

Organization:

University of Wisconsin-Madison

Position:

Graduate Research Assistant

Address:

1010 E WASHINGTON AVE,

APT 805,

MADISON, WI 53703 United States

Phone:

6085474753 (voice)

Email Address:

tjbutts@wisc.edu

Id:

https://orcid.org/0000-0002-3562-365X

Individual:

Grace Wilkinson

Organization:

University of Wisconsin-Madison

Position:

Assistant Professor

Email Address:

gwilkinson@wisc.edu

Id:

https://orcid.org/0000-0003-4051-2249

Contacts:

Individual:

Tyler Butts

Organization:

University of Wisconsin-Madison

Position:

Graduate Research Assistant

Address:

1010 E WASHINGTON AVE,

APT 805,

MADISON, WI 53703 United States

Phone:

6085474753 (voice)

Email Address:

tyler.butts@snc.edu

Id:

https://orcid.org/0000-0002-3562-365X

Associated Parties:

Individual:

Elena Sandry

Organization:

Iowa State University

Position:

Laboratory Manager

Email Address:

esandry@iastate.edu

Role:

Technician

Individual:

Matthew Kremer

Organization:

Iowa State University

Position:

Undergraduate Technician

Email Address:

mkremer@iastate.edu

Role:

Lab Technician

Individual:

Michael Tarnow

Organization:

Iowa State University

Position:

Undergraduate Technician

Email Address:

mwtarnow@hotmail.com

Role:

Field Technician

Individual:

Jenna Rasmusson

Organization:

Iowa State University

Position:

Undergraduate Technician

Email Address:

jennr16@iastate.edu

Role:

Field & Lab Technician

Metadata Providers:

Individual:

Tyler Butts

Organization:

University of Wisconsin-Madison

Position:

Graduate Research Assistant

Address:

1010 E WASHINGTON AVE,

APT 805,

MADISON, WI 53703 United States

Phone:

6085474753 (voice)

Email Address:

tyler.butts@snc.edu

Id:

https://orcid.org/0000-0002-3562-365X

Temporal, Geographic and Taxonomic Coverage

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

Time Period

Begin:

2019-04-24

End:

2019-07-24

Time Period

Begin:

2020-05-21

End:

2020-08-28

Sampling Site:

Description:

The Iowa State University Horticultural Research Station contains six experimental research ponds where the experiments in summer 2019 and 2020 were conducted.

Site Coordinates:

Longitude (degree):

-93.580454

Latitude (degree):

42.110005

Taxonomic Range:

General Coverage:

Copepods identified to the order Calanoida

Classification:

Rank Name:

Kingdom

Rank Value:

Animalia

Common Name:

animals

Identifer:

https://www.itis.gov
ID: 202423

Classification:

Rank Name:

Subkingdom

Rank Value:

Bilateria

Identifer:

https://www.itis.gov
ID: 914154

Classification:

Rank Name:

Infrakingdom

Rank Value:

Protostomia

Identifer:

https://www.itis.gov
ID: 914155

Classification:

Rank Name:

Superphylum

Rank Value:

Ecdysozoa

Identifer:

https://www.itis.gov
ID: 914158

Classification:

Rank Name:

Phylum

Rank Value:

Arthropoda

Common Name:

arthropods

Identifer:

https://www.itis.gov
ID: 82696

Classification:

Rank Name:

Subphylum

Rank Value:

Crustacea

Common Name:

crustaceans

Identifer:

https://www.itis.gov
ID: 83677

Classification:

Rank Name:

Class

Rank Value:

Maxillopoda

Identifer:

https://www.itis.gov
ID: 621145

Classification:

Rank Name:

Subclass

Rank Value:

Copepoda

Common Name:

copepods

Identifer:

https://www.itis.gov
ID: 85257

Classification:

Rank Name:

Infraclass

Rank Value:

Neocopepoda

Identifer:

https://www.itis.gov
ID: 610005

Classification:

Rank Name:

Superorder

Rank Value:

Gymnoplea

Identifer:

https://www.itis.gov
ID: 610007

Classification:

Rank Name:	Order
Rank Value:	Calanoida
Identifer:	https://www.itis.gov ID: 85258

Taxonomic Range:

General Coverage:

Copepods identified to the order Cyclopoida

Classification:

Rank Name:

Kingdom

Rank Value:

Animalia

Common Name:

animals

Identifer:

https://www.itis.gov
ID: 202423

Classification:

Rank Name:

Subkingdom

Rank Value:

Bilateria

Identifer:

https://www.itis.gov
ID: 914154

Classification:

Rank Name:

Infrakingdom

Rank Value:

Protostomia

Identifer:

https://www.itis.gov
ID: 914155

Classification:

Rank Name:

Superphylum

Rank Value:

Ecdysozoa

Identifer:

https://www.itis.gov
ID: 914158

Classification:

Rank Name:

Phylum

Rank Value:

Arthropoda

Common Name:

arthropods

Identifer:

https://www.itis.gov
ID: 82696

Classification:

Rank Name:

Subphylum

Rank Value:

Crustacea

Common Name:

crustaceans

Identifer:

https://www.itis.gov
ID: 83677

Classification:

Rank Name:

Class

Rank Value:

Maxillopoda

Identifer:

https://www.itis.gov
ID: 621145

Classification:

Rank Name:

Subclass

Rank Value:

Copepoda

Common Name:

copepods

Identifer:

https://www.itis.gov
ID: 85257

Classification:

Rank Name:

Infraclass

Rank Value:

Neocopepoda

Identifer:

https://www.itis.gov
ID: 610005

Classification:

Rank Name:

Superorder

Rank Value:

Podoplea

Identifer:

https://www.itis.gov
ID: 610008

Classification:

Rank Name:	Order
Rank Value:	Cyclopoida
Identifer:	https://www.itis.gov ID: 88530

Taxonomic Range:

General Coverage:

Copepod nauplii were only identified as nauplii as taxonomists were not trained to differentiate between calanoid or cyclopoid nauplii

Classification:

Rank Name:	Order
Rank Value:	Copepod Nauplii

Taxonomic Range:

General Coverage:

All cladocerans were identified to genus

Classification:

Rank Name:	Genus
Rank Value:	Cladocerans

Taxonomic Range:

General Coverage:

All Rotifera were identified to genus

Classification:

Rank Name:	Genus
Rank Value:	Rotifers

Project

Parent Project Information:

Title:

Effects of food web structure on ecosystem resilience to pulse nutrient loading in shallow lakes

Personnel:

Individual:

Tyler J Butts

Organization:

University of Wisconsin-Madison

Position:

Graduate Research Assistant

Address:

1010 E WASHINGTON AVE,

APT 805,

MADISON, WI 53703 United States

Phone:

6085474753 (voice)

Email Address:

tyler.butts@snc.edu

Id:

https://orcid.org/0000-0002-3562-365X

Role:

Researcher

Individual:

Grace J Wilkinson

Organization:

University of Wisconsin-Madison

Position:

Assistant Professor

Email Address:

gwilkinson@wisc.edu

Id:

https://orcid.org/0000-0003-4051-2249

Role:

Principal Investigator

Abstract:

The annual nutrient load of many lakes is disproportionately dominated by a few loading events linked to large storms (Carpenter et al. 2015, 2018). Storm events can lead to increased nutrient loads to lakes through ‘flashy’ runoff that delivers nutrients from the watershed (Joosse and Baker 2011). Given the numerous interacting ecosystem responses to storm events, individual lakes are unlikely to respond to storm-induced nutrient loading in the same manner.

In particular, the structure of the lake food web (e.g. connectivity, functional redundancy, structural asymmetry), can play a large role in mediating ecosystem resilience to disturbances such as pulse nutrient loading (McMeans et al. 2016; Calizza et al. 2019; Pelletier et al. 2020). Thus, we wanted to assess the relationship between food web structure and ecosystem resilience. We hypothesized that food webs with weak top grazer density and food webs that efficiently cycled energy between benthic and pelagic pathways would confer greater ecosystem resilience by diversifying the trophic pathways that control primary production and creating more linkages to benthic nutrient recycling pathways that can decrease primary production. In order to address these hypotheses, we experimentally tested the ecosystem resilience of multiple food web structures to simulated storm nutrient loading in six large experimental ponds. We then assessed changes in the daily time-series of state variables such as chlorophyll-a (an index of algal biomass) and to observe the ecosystem response to pulse nutrient loading.

Calizza, E., L. Rossi, G. Careddu, S. S. Caputi, and M. L. Costantini. 2019. Species richness and vulnerability to disturbance propagation in real food webs. Sci. Rep. 9: 19331. doi:10.1038/s41598-019-55960-8

Carpenter, S. R., E. G. Booth, and C. J. Kucharik. 2018. Extreme precipitation and phosphorus loads from two agricultural watersheds. Limnol. Oceanogr. 63: 1221–1233. doi:10.1002/lno.10767

Carpenter, S. R., E. G. Booth, C. J. Kucharik, and R. C. Lathrop. 2015. Extreme daily loads: role in annual phosphorus input to a north temperate lake. Aquat. Sci. 77: 71–79. doi:10.1007/s00027-014-0364-5

Joosse, P. J., and D. B. Baker. 2011. Context for re-evaluating agricultural source phosphorus loadings to the great lakes. Can. J. Soil Sci. 91: 317–327. doi:10.4141/cjss10005

McMeans, B., K. McCann, T. Tunney, A. Fisk, A. Muir, N. Lester, B. Shuter, and N. Rooney. 2016. The adaptive capacity of lake food webs: from individuals to ecosystems. Ecol. Monogr. 86: 4–19.

Pelletier, M. C., J. Ebersole, K. Mulvaney, and others. 2020. Resilience of aquatic systems: Review and management implications. Aquat. Sci. 82. doi:10.1007/s00027-020-00717-z

Additional Award Information:

Funder:	Iowa Water Center
Title:	Graduate Research Competiton

Additional Award Information:

Funder:	National Science Foundation
Number:	DGE‐1747503
Title:	Graduate Research Fellowship Program

Maintenance

Maintenance:

Description:	There is no ongoing sampling occurring, however zooplankton counting is continuing for these data and biomass information will be be updated to this dataset when those samples are counted
Frequency:	asNeeded

Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'day of year'
        |     |     |     |  \___attribute 'name' = 'day of year'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'Julian Calendar 2019: 1-365 '
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'emlEditor'
        |     |        \___attribute 'app' = 'ezEML'
        |     |        \___attribute 'release' = '2021.02.17'
        |     |___text '\n    '
        |___text '\n  '

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Data Package Metadata View Summary

Hort Farm Aquatic Research Ponds Zooplankton Taxonomic Information and Biomass from 2019-2020

Data Entities

Data Table

Data Table

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

Hort Farm Aquatic Research Ponds Zooplankton Taxonomic Information and Biomass from 2019-2020

+/- Data Entities

Data Table

Data Table

+/- 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

Data Entities

Data Package Usage Rights

Keywords

Methods and Protocols

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Maintenance

Additional Metadata

Additional Metadata