Western Ecological Research Center (WERC)


The Western Ecological Research Center (WERC) is a USGS Ecosystems Mission Area operation serving primarily California and Nevada. WERC scientists work closely with Federal, State, academic, and other collaborators to address a diverse array of high-profile topics. Topics include research on effects of wildfire, sea level rise, drought, energy development and more on federal Trust species.

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Date published: August 8, 2019

USGS WERC researcher wins award for reptile and amphibian conservation

SAN DIEGO—Dr. Robert Fisher wins Herpetological Conservation Award

Date published: July 18, 2019

What’s it like to be a tree in California today? WERC forest ecologist weighs in (Mashable)

Dr. Nate Stephenson says the rules are changing for Sierra Nevada trees

Date published: July 18, 2019

WERC scientist unites research, restoration, and education on the California Channel Islands (Inside Science)

For Dr. Kathryn McEachern, research and outreach go hand in hand


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Year Published: 2019

Giant sequoias: Drama on a grand scale

No abstract available.

Stephenson, Nathan L.
Stephenson, N. 2019. . Pages 47-49 in R. Hirsch, The Nature of Yosemite: A Visual Journey. Yosemite Association, Yosemite National Park, California. [Fine arts photography book with educational text.]

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Year Published: 2019

Current state of knowledge on biological effects from contaminants on arctic wildlife and fish

Since the last Arctic Monitoring and Assessment Programme (AMAP) effort to review biological effects of the exposure to organohalogen compounds (OHCs) in Arctic biota, there has been a considerable number of new Arctic effect studies. Here, we provide an update on the state of the knowledge of OHC, and also include mercury, exposure and/or...

Dietz, Rune; Letcher, Robert J.; Desforges, Jean-Pierre; Eulaers, Igor; Sonne, Christian; Wilson, Simon; Andersen-Ranberg, Emilie; Basu, Niladri; Barst, Benjamin D.; Bustnes, Jan Ove; Bytingsvik, Jenny; Ciesielski, Tomasz M.; Drevnick, Paul E.; Gabrielsen, Geir W.; Haarr, Ane; Hylland, Ketil; Jenssen, Bjørn Munro; Levin, Milton; McKinney, Melissa A.; Nørregaard, Rasmus Dyrmose; Pedersen, Kathrine E.; Provencher, Jennifer; Styrishave, Bjarne; Tartu, Sabrina; Aars, Jon; Ackerman, Joshua T.; Rosing-Asvid, Aqqalu; Barrett, Rob; Bignert, Anders; Born, Erik W.; Branigan, Marsha; Braune, Birgit; Bryan, Colleen E.; Dam, Maria; Eagles-Smith, Collin A.; Evans, Marlene S.; Evans, Thomas J.; Fisk, Aaron T.; Gamberg, Mary; Gustavson, Kim; Hartman, C. Alex; Helander, Björn; Herzog, Mark P.; Hoekstra, Paul F.; Houde, Magali; Hoydal, Katrin; Jackson, Allyson K.; Kucklick, John; Lie, Elisabeth; Loseto, Lisa; Mallory, Mark L.; Miljeteig, Cecilie; Mosbech, Anders; Muir, Derek C.G.; Nielsen, Sanna Túni; Peacock, Elizabeth; Pedro, Sara; Peterson, Sarah H.; Polder, Anuschka; Rigét, Frank F.; Roach, Pat; Saunes, Halvor; Sinding, Mikkel-Holger S.; Skaare, Janneche U.; Søndergaard, Jens; Stenson, Garry; Stern, Gary; Treu, Gabriele; Schuur, Stacy S.; Víkingsson, Gísli
Dietz, R., Letcher, R. J., Desforges, J. P., Eulaers, I., Sonne, C., Wilson, S., ... & Bytingsvik, J. (2019). Current state of knowledge on biological effects from contaminants on arctic wildlife and fish. Science of The Total Environment, 133792.

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Year Published: 2019

Eastern Pacific migration strategies of pink-footed shearwaters Ardenna creatopus: Implications for fisheries interactions and international conservation

The pink-footed shearwater Ardenna creatopus has a breeding range restricted to 3 central-Chilean islands and travels north in the eastern Pacific Ocean during the non-breeding period. Despite its Vulnerable IUCN status, the locations and relative importance of core non-breeding areas and migratory pathways of the species are not well understood....

Felis, Jonathan J.; Adams, Josh; Hodum, Peter; Carle, Ryan D.; Colodro, Valentina