John Wesley Powell Center for Analysis and Synthesis

Land Resources

Powell Center working groups rarely are just one USGS Mission Area and are sorted into these areas by the groups themselves. Projects may be relevant to additional areas.

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Filter Total Items: 26
Date published: February 29, 2012
Status: Active

Integrating ecological forecasting methods to improve applications for natural resource management: An invasive species example

Projecting the effects of climate change on plant and animal species distributions and abundance is critical to successful long‐term conservation and restoration efforts. There have been significant recent advances made in the areas of: (1) climate forecasts; (2) habitat niche modeling; (3) mechanistic modeling; and (4) observation techniques and networks. However, projections of biological...

Date published: February 29, 2012
Status: Active

Circumpolar assessment of ecological mismatch between avian herbivores and plant phenology

The timing of breeding is constrained in Arctic ecosystems and small temporal differences in when individuals breed can have large effects on fitness. Arctic ecosystems are generally warming more rapidly than other ecosystems which, for migratory species, can cause an imbalance, or mismatch, between when they have evolved to breed versus when it is optimal to breed environmentally. Geese are...