2012-2013 Science Planning Summaries
U.S. Antarctic Program - Science Support Section United States Antarctic Program United States Antarctic Program Logo National Science Foundation Logo
 
McMurdo LTER - Soils: Increased connectivity in a polar desert resulting from climate warming: McMurdo Dry Valley LTER Program
 

Program Manager:
Dr. Lisa Clough

C-507-M
NSF/PLR Award 1115245

ASC POC/Implementer:
Elizabeth Watson / Cara Sucher

Dr. Diana Wall (Principal Investigator)
diana.wall@colostate.edu
http://wp.natsci.colostate.edu/walllab/External Non U.S. Government Site

Colorado State University
Natural Resource Ecology Laboratory
Fort Collins, Colorado

Supporting Stations:  McMurdo Station
Research Locations:  Dry Valleys

Project Description:
In 1980, the National Science Foundation (NSF) funded the US Long Term Ecological Research (LTER) Network, a collaborative effort involving more than 1,800 scientists and students. The McMurdo LTER is one of 26 sites that investigates ecological processes over long temporal and broad spatial scales. The McMurdo LTER program is an inter-disciplinary and multi-disciplinary study of the aquatic and terrestrial ecosystems in the ice-free McMurdo Dry Valleys. This six-year award cycle comprises seven collaborative projects: Andrew Fountain B-504, John Priscu B-505, Diane McKnight B-506, Diana Wall B-507, Jeb Barrett, B-508, Berry Lyons B-509, and Peter Doran B-511. This project is the 'soils' component of the McMurdo LTER. Researchers maintain (through application of water and nutrients), monitor (soil moisture and temperature), and sample (soils) in their long-term experimental plots near Lakes Fryxell, Hoare and Bonney. The project aims to determine the impacts of natural factors and those associated with potential climate change on the abundance, distribution, and diversity of soil biota.

Field Season Overview:
Ten participants will make one-to-seven-day trips to the dry valleys where they monitor, maintain, and sample long-term experiments, as well as sample soils to support developing work on the N and P cycles, turnover of organic matter, and moss-soil interactions in the field. Between trips to the field, team members return to Crary Lab for sample processing and initial analysis, and to perform incubation assays on selected soils.

Deploying Team Members:

  • Byron Adams
  • John Barrett (Team Leader)
  • Kevin Geyer
  • Kevin Geyer
  • Martijn Vandegehuchte
  • Ross Virginia (Co-PI)
  • Diana Wall (PI)

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Curator: Esther L. Hill PhD, Antarctic Support Contract   |   NSF Official: Alexandra Isern, Division of Polar Programs