Publications
Filter Total Items: 2066
Great expectations: Deconstructing the process pathways underlying beaver-related restoration Great expectations: Deconstructing the process pathways underlying beaver-related restoration
Beaver-related restoration is a process-based strategy that seeks to address wide-ranging ecological objectives by reestablishing dam building in degraded stream systems. Although the beaver-related restoration has broad appeal, especially in water-limited systems, its effectiveness is not yet well documented. In this article, we present a process-expectation framework that links beaver...
Authors
Caroline Nash, Gordon E. Grant, Susan Charnley, Jason B. Dunham, Hannah Gosnell, Mark B. Hausner, David S. Pilliod, Jimmy D. Taylor
Eagle fatalities are reduced by automated curtailment of wind turbines Eagle fatalities are reduced by automated curtailment of wind turbines
Collision‐caused fatalities of animals at wind power facilities create a ‘green versus green’ conflict between wildlife conservation and renewable energy. These fatalities can be mitigated via informed curtailment whereby turbines are slowed or stopped when wildlife are considered at increased risk of collision. Automated monitoring systems could improve efficacy of informed curtailment...
Authors
Christopher J W McClure, Brian W Roleck, Leah Dunn, Jennifer D McCabe, Luke Martinson, Todd E. Katzner
Monitoring wetland water quality related to livestock grazing in amphibian habitats Monitoring wetland water quality related to livestock grazing in amphibian habitats
Land use alteration such as livestock grazing can affect water quality in habitats of at-risk wildlife species. Data from managed wetlands are needed to understand levels of exposure for aquatic life stages and monitor grazing-related changes afield. We quantified spatial and temporal variation in water quality in wetlands occupied by threatened Oregon spotted frog (Rana pretiosa) at...
Authors
Kelly L. Smalling, Jennifer Rowe, Christopher Pearl, Luke R. Iwanowicz, Carrie E. Givens, Chauncey W. Anderson, Brome McCreary, Michael J. Adams
Taricha granulosa (Rough-skinned newt) predation Taricha granulosa (Rough-skinned newt) predation
We found skeletal remains of fully digested Taricha granulosa in the stomach contents of 4 free-ranging, presumably healthy Strix varia (Barred Owl) collected from Roseburg, Oregon. This study recorded stomach contents from S. varia collected as part of a lethal removal experiment in localities near Cle Elum, Washington, Alsea, Oregon, and Roseburg, Oregon. In the stomach of one S. varia...
Authors
Claire Clarke, Ryan Baumbusch, Tiffany S. Garcia, Katie Dugger, David Wiens
Conservation genetics of imperiled striped whipsnake in Washington Conservation genetics of imperiled striped whipsnake in Washington
Conservation of wide-ranging species is aided by population genetic information that provides insights into adaptive potential, population size, interpopulation connectivity, and even extinction risk in portions of a species range. The Striped Whipsnake (Masticophis taeniatus) occurs across 11 western U.S. states and into Mexico but has experienced population declines in parts of its...
Authors
David S. Pilliod, Lisa A. Hallock, Mark P. Miller, Thomas D. Mullins, Susan M. Haig
Yearly temperature fluctuations and survey speed influence road counts of wintering raptors Yearly temperature fluctuations and survey speed influence road counts of wintering raptors
Globally, evaluation of population trends is the most pressing research need for many species of conservation concern. Road counts for birds of prey are useful for monitoring long‐term population trends and examining year‐to‐year variations in abundance. We examined data from 2155 road surveys conducted from 2001 to 2018 by community scientists who recorded > 85 000 individuals of 14...
Authors
Christopher J W McClure, Brian W. Rolek, Gregory W Grove, Todd E. Katzner
Shared functional traits explain synchronous changes in long‐term count trends of migratory raptors Shared functional traits explain synchronous changes in long‐term count trends of migratory raptors
Aim Assessing long‐term shifts in faunal assemblages is important to understand the consequences of ongoing global environmental change. One approach to assess drivers of assemblage changes is to identify the traits associated with synchronous shifts in count trends among species. Our research identified traits influencing trends in 73 years of count data on migrating raptors recorded in...
Authors
Patricia Kaye T. Dumandan, Keith L. Bildstein, Laurie J. Goodrich, Andrii Zaiats, Trevor Caughlin, Todd E. Katzner
Forest management under megadrought: Urgent actions needed at finer-scale and higher intensity Forest management under megadrought: Urgent actions needed at finer-scale and higher intensity
Drought and warming increasingly are causing widespread tree die-offs and extreme wildfires. Forest managers are struggling to improve anticipatory forest management practices given more frequent, extensive, and severe wildfire and tree die-off events triggered by “hotter drought”—drought under warmer than historical conditions. Of even greater concern is the increasing probability of...
Authors
Jason P. Field, David D. Breshears, John B. Bradford, Darin J. Law, Xiaohui Feng, Craig D. Allen
Assessing contributions of cold-water refuges to reproductive migration corridor conditions for adult salmon and steelhead trout in the Columbia River, USA Assessing contributions of cold-water refuges to reproductive migration corridor conditions for adult salmon and steelhead trout in the Columbia River, USA
Diadromous fish populations face multiple challenges along their migratory routes. These challenges include suboptimal water quality, harvest, and barriers to longitudinal and lateral connectivity. Interactions among factors influencing migration success make it challenging to assess management options for improving migratory fish conditions along riverine migration corridors. We...
Authors
Marcia N. Snyder, Nathan H. Schumaker, Jason B. Dunham, Matthew Keefer, Peter Leinenbach, Allen Brookes, John Palmer, Jennifer Wu, Druscilla M Keenan, Joseph L. Ebersole
Comment on: Grazing disturbance promotes exotic annual grasses by degrading soil biocrust communities Comment on: Grazing disturbance promotes exotic annual grasses by degrading soil biocrust communities
No abstract available.
Authors
Rory O’Connor, Matthew J. Germino
Performance of the ecosystem demography model (EDv2.2) in simulating gross primary production capacity and activity in a dryland study area Performance of the ecosystem demography model (EDv2.2) in simulating gross primary production capacity and activity in a dryland study area
Dryland ecosystems play an important role in the global carbon cycle, including regulating the inter-annual global carbon sink. Dynamic global vegetation models (DGVMs) are essential tools that can help us better understand carbon cycling in different ecosystems. Currently, there is limited knowledge of the performance of these models in drylands partly due to characterizing the...
Authors
Hamid Dashti, Karun Pandit, Nancy F. Glenn, Douglas J. Shinneman, Gerald N. Flerchinger, Andrew A. Hudak, Marie Anne de Graaf, Alejandro N Flores, Susan L. Ustin, Nayani Ilangakoon, Aaron W. Fellows
From forests to fish: Mercury in mountain lake food webs influenced by factors at multiple scales From forests to fish: Mercury in mountain lake food webs influenced by factors at multiple scales
Mountain lakes, while seemingly pristine, have been subjected to historical fish stocking practices and exposure to atmospherically deposited contaminants like mercury. Mercury bioaccumulation in these ecosystems varies widely due to strong environmental gradients, and there are complex, hierarchical factors that affect mercury transport and loading, methylmercury production, and food...
Authors
Ariana M. Chiapella, Collin A. Eagles-Smith, Angela L Strecker