Colorado mountains
 

Community Ecology

Effects of increasing shrubs in arctic tundra on associated arthropods and migratory songbirds

Poster Number:  54 Presenter/Primary Author:  Laura Gough In areas across the Arctic, shrubs are becoming more abundant, altering habitat for consumer species.

Low biodiversity stable state persists two decades after cessation of nutrient enrichment

Poster Number:  52 Presenter/Primary Author:  Forest Isbell Human activities are causing many gradual, but chronic, environmental changes worldwide, such as an increase in atmospheric nitrogen (N) deposition rates, which decreases biodiversity.

Thresholds of change in decomposition rates along a dune/swale transect on Virginia’s barrier islands

Poster Number:  31 Presenter/Primary Author:  Dominic Graziani Aboveground and belowground decomposition rates were determined along a barrier island dune/swale transect located on the Virginia Coast Reserve-Long Term Ecological Research Site using litterbags

Identifying alternative indicators for the detection of abrupt transitions in ecosystems: a consideration of time scale and community parameters

Working Group Reports Final reports:  2012 LTER ASM workshop report_final.pdf As climate change continues to accelerate, many ecosystems are poised for frequent abrupt and irreversible transitions (Millenium Ecosystem Assessment, 2005).  In order to enhance prediction a Session:  Working Group Session 3 Tuesday Room Assignment:  Wind River A (100)

Drivers of Grassland Invertebrate Community Structure: Effects of Soil Nutrient Availability and Vertebrate Herbivores on Invertebrate Resource Limitation

Poster Number:  17 Presenter/Primary Author:  Kimberly La Pierre The effects of nutrient availability and vertebrate herbivory on the plant community likely transfer to higher trophic levels.

 
 
Background Photo by: Nicole Hansen - Jornada (JRN) LTER