Forest and Rangeland Ecosystem Science Center

News

Filter Total Items: 221
Date published: August 30, 2019

Characteristics of Feeding Sites of California Condors in Southern California 

The establishment of self-sustaining populations of California condors has been challenging in the human-dominated landscapes of southern California. Some of the challenges are from ingestion of lead and micro-trash.

Date published: August 30, 2019

Individual and Environmental Drivers of Golden Eagle Movement 

Birds move because of internal factors such as for defense or to obtain food, yet the environment the animal experiences also drives movement. Researchers studied trade-offs golden eagles face as they make movement decisions by examining factors such as age and sex, topographic and meteorological data, and time of day.

Date published: August 2, 2019

Application of Multiple-Population Viability Analysis to Evaluate Species Recovery Alternatives

A recently developed method of multiple population viability analysis (MPVA) addresses many limitations of traditional PVA.

Date published: August 2, 2019

Decision Analysis for the Reintroduction of Bull Trout into the Lower Pend Oreille River, Washington

Structured decision making can help identify realistic objectives and management alternatives to species reintroduction using a quantitative modeling framework.

Date published: August 2, 2019

The Wildlife Society Magazine Article Addresses Climate Sensitivity of Overlooked Species

Research from a recently published study in Biological Conservation is the topic of an upcoming article in a magazine of The Wildlife Society, covering important news and trends in the wildlife profession.

Date published: July 26, 2019

Climate Vulnerability Assessment for Pacific Salmon and Steelhead

Managers seek information about populations most vulnerable to climate change to prioritize resources for climate adaptation efforts.

Date published: July 19, 2019

Timber Harvest Alters Mercury Bioaccumulation and Food Webs in Headwater Streams

Land use change is an important driver of global mercury cycling. Timber harvest is a common land use that can alter associated aquatic ecosystems, yet little is known about how it affects mercury concentrations and associated food web changes. 

Date published: July 19, 2019

Cold Hardiness of Big Sagebrush May be Maladaptive in a Warmer Climate

Physiological responses to temperature extremes are considered strong drivers of plant species’ resilience to climate variability. 

Date published: July 12, 2019

Using Lidar to Map Solar Insolation in Riparian Areas

Stream temperature is affected by solar insolation, which is the amount of solar radiation at a given location over time. 

Date published: July 12, 2019

Effects of Barred Owl Removal on Population Demography of Northern Spotted Owls in Washington and Oregon, 2015–2018

A new USGS report summarizes research accomplishments and results from the first 3.5 years, 2015-2018, of a study in Oregon and Washington to determine if removing barred owls can improve population trends of Northern spotted owls. 

Date published: July 8, 2019

Two Promising Tackifiers may Enhance Moss Growth for Biocrust Restoration

Establishing mosses could be valuable in restoring biological soil crusts following disturbance, yet a good method for delivering and establishing moss propagules is lacking.

Date published: June 27, 2019

Climate and Disturbance Influence Dynamics of Aspen Near its Range Margin

Recent declines in aspen populations have occurred in the western U.S., especially along drought-sensitive margins of its range or where fire exclusion and herbivory have promoted community transition.