Concerns over environmental disturbance in the McMurdo Dry Valleys are increasing with increasing foot traffic from tourists and scientist. The effect of pedestrian disturbance was monitored by comparing the species composition, depth distribution and soil properties between adjacent high-, low- and no- traffic sites. This study began in the austral summer 1995/1996.
Dataset Results
1995-12-07
10.6073/pasta/0af983a2ac7afdce4455e6fcc9a3cd70
232
A long-term soil manipulation experiment has been conducted as part of the McMurdo Dry Valleys Long Term Ecological Research (LTER) project. The response of soil organisms (nematodes, rotifers and tardigrades) to the treatments is monitored by sampling soil on an annual basis.
Date Range:
1994-01-01 to 2008-12-31
Data sources:
DOI:
10.6073/pasta/0da39bcb91f0ab8b51ac65658975fae2
Dataset ID:
4002
Increases in soil temperature and moisture may change the bioavailability of essential elements by altering solubility and diffusion rates in soils, or by changing the amounts of organic compounds. Long-term experiments in the Bonney, Hoare and Fryxell basins have been established with 3 treatments: 1) increased moisture, 2) soil warming (ITEX chambers), and 3) soil warming + increased moisture. The identification and abundance of soil biota are reported.
Date Range:
1999-12-04 to 2020-01-23
Data sources:
DOI:
10.6073/pasta/41825ac3c486a2858c51462e968e3a42
Dataset ID:
4004