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Gopher mounds coordinates on a Resampled Chronosequence

General Information
Data Package:
Local Identifier:edi.503.1
Title:Gopher mounds coordinates on a Resampled Chronosequence
Alternate Identifier:DOI PLACE HOLDER
Abstract:

Soil carbon (C) sequestration rates vary widely in abandoned agricultural lands, and factors determining this variation, beyond climate, soil type, and productivity, are poorly understood. One such factor is soil disturbance by burrowing mammals. Despite being ubiquitous in all grasslands, the impact of burrowing mammals on soil C dynamics is not well understood. We quantified the major ecosystem processes that are influenced by one such burrowing mammal, plains pocket gophers (Geomys bursarius), in old field ecosystems located in east-central Minnesota, USA. We found pocket gopher abundance varied among old fields, and newly formed gopher mounds covered up to 6% of the soil surface annually. We first measured short-term C pools and fluxes changes induced by gopher activities. Soil N mineralization did not differ between the soil in gopher mounds and undisturbed soil. However, for the soil under gopher mounds, N mineralization was 30% lower as compared to the undisturbed soil. We developed a process model to simulate the long-term gopher disturbance impact on old field soil C accumulation. This simulation showed that pocket gophers reduce both the rate of soil C accumulation and the total C pool. This reduction is primarily driven by reduced plant C input due to the time it requires for the vegetation to recolonize gopher mounds. Soil organic matter (SOM) decomposition changes had only a minor impact. The process model showed that the depth from which burrowing mammals redistribute soil to the surface is a key factor determining the overall impact on SOM. In total, our study indicates that soil disturbance by burrowing animals can significantly reduce C storage in old field ecosystems when the mammals are mostly active in surface soil and can be a significant factor in decreasing overall C sequestration after land abandonment. However, at our study site, gopher abundance decreases with abandonment age, likely cause by successional vegetation changes, thus the gopher disturbance induced reduction in soil C is transient and decreases with abandonment age.

Publication Date:2021-10-14

Time Period
Begin:
2015-04-01
End:
2017-05-01

People and Organizations
Contact:Bahauddin, Dan (Cedar Creek Ecosystem Science Reserve, Information Manager) [  email ]
Creator:Yang, Yi (Colorado State University, Postdoctoral Fellow)

Data Entities
Other Name:
GopherMoundCoordinates
Description:
Shape files showing documenting locations of gopher mounds
Detailed Metadata

Data Entities

Non-Categorized Data Resource

Name:GopherMoundCoordinates
Entity Type:zip
Description:Shape files showing documenting locations of gopher mounds
Physical Structure Description:
Object Name:GopherMoundCoordinates.zip
Size:225315 byte
Authentication:1dc3e7c919382be6796e109b7a3896ca Calculated By MD5
Externally Defined Format:
Format Name:zip
Data:https://pasta-s.lternet.edu/package/data/eml/edi/503/1/6c04401a4e7dce41eba6435515274dbf

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 Vocabularydisturbances
(No thesaurus)Gophers, Gopher Mounds, Savanna

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:

In 2015, new gopher mound abundances were recorded in an area of 40 m × 79 m (between the first and fourth permanent transect) in all 21 old fields. A subset of 7 old fields that represent the different age groups and locations were selected. GPS locations, diameters, and heights of gopher mounds produced in 2014, 2015, and 2016 were recorded in these 7 fields with Trimble Geo 7x handheld data collector with a resolution of less than 50 cm. In the early spring (end of April) of 2015, before gophers actively produce mounds, mounds with no or little litter were recorded as produced in the fall of 2014. Those gopher mounds were marked with flags. Gopher mounds that were produced in 2015 and 2016 were marked with flags with different colors from May to October of each year and recorded in the following spring.

People and Organizations

Publishers:
Organization:Environmental Data Initiative
Email Address:
info@environmentaldatainitiative.org
Web Address:
https://environmentaldatainitiative.org
Id:https://ror.org/0330j0z60
Creators:
Individual: Yi Yang
Organization:Colorado State University
Position:Postdoctoral Fellow
Email Address:
yi.yang@colostate.edu
Id:https://orcid.org/orcid.org/0000-0002-5548-8811
Contacts:
Individual: Dan Bahauddin
Organization:Cedar Creek Ecosystem Science Reserve
Position:Information Manager
Address:
2660 Fawn Lake Dr. NE,
East Bethel, Minnesota 55005 United States
Phone:
6123012603 (voice)
Email Address:
danbaha@umn.edu
Id:https://orcid.org/%200000-0003-1190-2926
Metadata Providers:
Individual: Yang
Organization:Colorado State University
Position:Postdoctoral Fellow
Email Address:
yi.yang@colostate.edu
Id:https://orcid.org/orcid.org/0000-0002-5548-8811

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
2015-04-01
End:
2017-05-01
Geographic Region:
Description: The Cedar Creek Ecosystem Science Reserve is located in Anoka and Isanti counties, approximately 30 miles north of Saint Paul, MN. CCNHA lies at the boundary between prairie and forest. It is a mosaic of uplands dominated by oak savanna, prairie, hardwood forest, pine forests,and abandoned agricultural fields and of lowlands comprised of ash and cedar swamps, acid bogs, marshes, and sedge meadows. Large tracts of the pre-agricultural ecosystems of the region are preserved within its boundaries, as is a successional chronosequence of more than 80 old fields of known history.<
Bounding Coordinates:
Northern:  45.44138Southern:  45.384865
Western:  -93.22445Eastern:  -93.16289

Project

Parent Project Information:

Title:Successional Dynamics on a Resampled Chronosequence
Personnel:
Individual: Yi Yang
Organization:Colorado State University
Position:Postdoctoral Fellow
Email Address:
yi.yang@colostate.edu
Id:https://orcid.org/orcid.org/0000-0002-5548-8811
Role:Principle Investigator
Other Metadata

Additional Metadata

additionalMetadata
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        |     |___text '\n            '
        |     |___element 'emlEditor'
        |     |        \___attribute 'app' = 'ezEML'
        |     |        \___attribute 'release' = '2021.10.13'
        |     |___text '\n        '
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