Forest and Rangeland Ecosystem Science Center

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Scientists from the Forest and Rangeland Ecosystem Science Center capitalize on their diverse expertise to answer scientific questions shaped by the environments of the western United States. We collaborate with each other and with partners to provide rigorous, objective, and timely information and guidance for the management and conservation of biological systems in the West and worldwide. 

FRESC Research Teams

FRESC Research Teams

FRESC scientists, individually or collaboratively with partners, investigate high-priority questions about biological systems.

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Date published: July 23, 2021

Invader Removal Halts Long-term Population Declines of Northern Spotted Owls

Invasive species can cause extinctions of native species and widespread biodiversity loss. Invader removal is a common management response, but the use of long-term field experiments to test the effectiveness of removals in benefitting impacted native species is rare.

Date published: July 23, 2021

Species Interactions Shape Increasing Rates of Breeding Dispersal of Northern Spotted Owls

Recent evidence suggests that frequency of breeding dispersal – the movement from one breeding territory to another – may be increasing in northern spotted owl populations, which could have consequences on population dynamics of this declining species.

Date published: July 23, 2021

Enhanced Between-Site Biosecurity to Minimize Herpetofaunal Disease-Causing Pathogen Transmission

There is increasing evidence for the role humans may play in the transport and transmission of herpetofaunal pathogens.

Publications

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Year Published: 2021

Evaluating establishment of conservation practices in the Conservation Reserve Program across the central and western United States

The U.S. Department of Agriculture's Conservation Reserve Program (CRP) is one of the largest private lands conservation programs in the United States, establishing perennial vegetation on environmentally sensitive lands formerly in agricultural production. Over its 35 year existence, the CRP has evolved to include diverse conservation practices (...

Vandever, Mark W.; Carter, Sarah K.; Assal, Timothy J.; Elgersma, Kenneth; Wen, Ai; Welty, Justin L.; Arkle, Robert; Iovanna, Rich

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Year Published: 2021

Metal accumulation varies with life history, size, and development of larval amphibians

Amphibian larvae are commonly used as indicators of aquatic ecosystem health because they are susceptible to contaminants. However, there is limited information on how species characteristics and trophic position influence contaminant loads in larval amphibians. Importantly, there remains a need to understand whether grazers (frogs and...

Smalling, Kelly; Oja, Emily Bea; Cleveland, Danielle; Davenport, Jon D; Eagles-Smith, Collin; Campbell Grant, Evan H.; Kleeman, Patrick M.; Halstead, Brian J.; Stemp, Kenzi M; Tornabene, Brian J.; Bunnell, Zachary J; Hossack, Blake R.

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Year Published: 2021

Demography of the Oregon spotted frog along a hydrologically modified river

Altered flow regimes can contribute to dissociation between life history strategies and environmental conditions, leading to reduced persistence reported for many wildlife populations inhabiting regulated rivers. The Oregon spotted frog (Rana pretiosa) is a threatened species occurring in floodplains, ponds, and wetlands in the Pacific Northwest...

Rowe, Jennifer; Duarte, Adam; Pearl, Christopher; McCreary, Brome; Haggerty, Patricia; Jones, John W.; Adams, Michael J.