![]() ![]() Mound crusts decreased water infiltration, likely explaining the lack of detectable increases in rates of NO₃–N, NH₄–N or PO₄–P leaching out of the rooting zone or in CO₂ flux rates. ![]() Plant burial increased total soil carbon (TC) by 13 % and nitrogen (TN) by 11 %, compared to undisturbed soils. Mounds exhibited decreased species density compared to undisturbed areas, while plant abundance on mound margins increased 77 %. In 2010, 18 years after gopher colonization, we found that gophers were active in ~2.5 % of the study area and formed ~328 mounds ha⁻1. For comparison to later successional systems, we summarized published studies on gopher effects on soil C and N and plant communities. ![]() We investigated northern pocket gopher (Thomomys talpoides) effects on soil nutrient dynamics, soil physical properties, and plant communities on surfaces created by Mount St. Fossorial mammals may affect nutrient dynamics and vegetation in recently initiated primary successional ecosystems differently than in more developed systems because of strong C and N limitation to primary productivity and microbial communities. ![]()
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