Forest and Rangeland Ecosystem Science Center (FRESC)

News

Filter Total Items: 185
Date published: January 14, 2020

Excluding Grazing has Positive Effects on Riparian Vegetation, Migratory Birds

Livestock grazing can degrade riparian vegetation, altering habitat for many species of declining migratory breeding birds. At Hart Mountain National Antelope Refuge in southeastern Oregon, cattle were removed from riparian areas in 1990 after 120 years of grazing. 

Date published: January 14, 2020

Weed-Suppressive Bacteria Did Not Control Bromus tectorum

Recent trials using a bacterial bioherbicide known as D7 have had mixed results in controlling invasive annual grasses in rangelands. 

Date published: January 14, 2020

Components and Predictors of Biocrusts

Although biological soil crusts occur globally in arid and semi-arid environments, the occurrence of biocrusts has not previously been related to individual plant communities at regional scales. 

Date published: January 9, 2020

USGS Scientists Presenting at the 30th Annual Idaho Water Quality Workshop

The Idaho Department of Environmental Quality hosts its 30th Annual Idaho Water Quality Workshop, February 11-13, at Boise State University.

Date published: December 12, 2019

Weed-Suppressive Bacteria have no Effect on Exotic or Native Plants in Sagebrush Steppe

Approaches and techniques for controlling exotic annual grasses are a high priority in rangelands including sagebrush steppe. 

Date published: December 11, 2019

Occupancy Patterns in a Reintroduced Fisher Population during Reestablishment

From 2008-10, researchers translocated 90 fishers from British Columbia to Washington’s Olympic Peninsula. 

Date published: December 11, 2019

Assessing the Relative Importance of Factors at Multiple Spatial Scales Affecting Terrestrial and Aquatic Wildlife

The ability to understand a given ecological process depends on the scale of observation.

Date published: December 11, 2019

New LiDAR Metrics Help Identify Habitat for the Northern Spotted Owl

The development of metrics derived from LiDAR to study forest structure has advanced wildlife-habitat modeling. 

Date published: December 10, 2019

Estimating Population Size with Imperfect Detection Using a Parametric Bootstrap

Methods exist for estimating the size of a population of imperfectly detected individuals, yet problems arise when the detection probability and the observed count of individuals are both small. 

Date published: December 10, 2019

Examining Soil’s Role in Tracing Nutrients From Salmon into Riparian Trees

Pacific salmon transport large amounts of marine nutrients to freshwater and forest ecosystems when they migrate from the ocean, spawn, and die. 

Date published: November 27, 2019

Weed-Suppressive Bacteria Fail to Control Bromus Tectorum

The exotic winter annual grass Bromus tectorum (downy brome or cheatgrass) infests large expanses of western rangelands.

Date published: November 27, 2019

Post-fire Aspen Regeneration Varies in Response to Winter Precipitation

Aspen is generally considered an early-seral species that benefits from fire, but increases in fire activity across the western United States could affect aspen in unpredictable ways.