Publications
Filter Total Items: 1991
Nitrate in watersheds: straight from soils to streams?
Human activities are rapidly increasing the global supply of reactive N and substantially altering the structure and hydrologic connectivity of managed ecosystems. There is long-standing recognition that N must be removed along hydrologic flowpaths from uplands to streams, yet it has proven difficult to assess the generality of this removal across ecosystem types, and whether these patterns are in
Authors
Elizabeth B. Sudduth, Steven S. Perakis, Emily S. Bernhardt
Population estimates for the Toiyabe population of the Columbia spotted frog (Rana luteiventris), 2004–10
The Toiyabe population of Columbia spotted frogs (Rana luteiventris, hereafter "Toiyabe frogs") is a geographically isolated population located in central Nevada (fig. 1). The Toiyabe population is part of the Great Basin Distinct Population Segment of Columbia spotted frogs, and is a candidate for listing under the Endangered Species Act (U.S. Fish and Wildlife Service, 2011). The cluster of bree
Authors
M. J. Adams, Chad Mellison, Stephanie K. Galvan
Regional contingencies in the relationship between aboveground Bbomass and litter in the world’s grasslands
Based on regional-scale studies, aboveground production and litter decomposition are thought to positively covary, because they are driven by shared biotic and climatic factors. Until now we have been unable to test whether production and decomposition are generally coupled across climatically dissimilar regions, because we lacked replicated data collected within a single vegetation type across mu
Authors
Lydia R. O’Halloran, Elizabeth T. Borer, Eric W. Seabloom, Andrew S. MacDougall, Elsa E. Cleland, Rebecca L. McCulley, Sarah Hobbie, W. Stan Harpole, Nicole M. DeCrappeo, Cheng-Jin Chu, Jonathan D. Bakker, Kendi F. Davies, Guozhen Du, Jennifer Firn, Nicole Hagenah, Kirsten S. Hofmockel, Johannes M.H. Knops, Wei Li, Brett A. Melbourne, John W. Morgan, John L. Orrock, Suzanne M. Prober, Carly J. Stevens
Book review: Biology and conservation of martens, sables, and fishers: A new synthesis
Mammals of the genus Martes, including martens, sables, and fishers, are mid-sized carnivores inhabiting many forested ecosystems throughout regions of North America, Europe, and Asia. This volume provides a comprehensive synthesis of the current state of knowledge pertaining to the biology and conservation of Martes species throughout the world. This volume will be an essential resource for mamma
Authors
Kurt J. Jenkins
Application of environmental DNA for inventory and monitoring of aquatic species
This fact sheet was created to help biologists and resource managers understand emerging methods for detecting environmental DNA and their potential application for inventorying and monitoring aquatic species. It is a synthesis of published information.
Authors
David S. Pilliod, Caren S. Goldberg, Matthew B. Laramie, Lisette P. Waits
Influence of sex, migration distance, and latitude on life history expression in steelhead and rainbow trout (Oncorhynchus mykiss)
Abstract:In partially migratory species, such as Oncorhynchus mykiss, the emergence of life history phenotypes is often attributed to fitness trade-offs associated with growth and survival. Fitness trade-offs can be linked to reproductive tactics that vary between the sexes, as well as the influence of environmental conditions. We found that O. my kiss outmigrants are more likely to be female in nin
Authors
Haley A. Ohms, Matthew R. Sloat, Gordon H. Reeves, Chris E. Jordan, Jason B. Dunham
Book review: Gyrfalcons and Ptarmigan in a changing world
The Peregrine Fund has published proceedings of several conferences over the years and has become experts, and this 2 volume set is no exception. The title of the proceedings sounded especially interesting in this era of almost daily accounts in the media about climate change, its causes and its effects on the planet, including its flora and fauna. This 772-page Proceedings is loaded with useful i
Authors
Charles J. Henny
Mount Rainier National Park and Olympic National Park elk monitoring program annual report 2011
Fiscal year 2011 was the first year of implementing an approved elk monitoring protocol in
Mount Rainier (MORA) and Olympic (OLYM) National Parks in the North Coast and Cascades
Network (NCCN) (Griffin et al. 2012). However, it was the fourth and second year of gathering
data according to protocol in MORA and OLYM respectively; data gathered during the protocol
development phase followed proce
Authors
Patricia J. Happe, Mason Reid, Paul C. Griffin, Kurt J. Jenkins, David J. Vales, Barbara J. Moeller, Michelle Tirhi, Scott McCorquodale
Riparian litter inputs to streams in the central Oregon Coast Range
Riparian-zone vegetation can influence terrestrial and aquatic food webs through variation in the amount, timing, and nutritional content of leaf and other litter inputs. We investigated how riparian-forest community composition, understory density, and lateral slope shaped vertical and lateral litter inputs to 16 streams in the Oregon Coast Range. Riparian forests dominated by deciduous red alder
Authors
Stephanie K. Hart, David E. Hibbs, Steven S. Perakis
Wind erosion from a sagebrush steppe burned by wildfire: measurements of PM10 and total horizontal sediment flux
Wind erosion and aeolian transport processes are under studied compared to rainfall-induced erosion
and sediment transport on burned landscapes. Post-fire wind erosion studies have predominantly
focused on near-surface sediment transport and associated impacts such as on-site soil loss and site fertility. Downwind impacts, including air quality degradation and deposition of dust or contaminants, ar
Authors
Natalie S. Wagenbrenner, Matthew J. Germino, Brian K. Lamb, Peter R. Robichaud, Randy B. Foltz
Estimating direct fatality impacts at wind farms: how far we’ve come, where we have yet to go
Measuring the potential impacts of wind farms on wildlife can be difficult and may require development
of new statistical tools and models to accurately reflect the measurement process. This presentation
reviews the recent history of approaches to estimating wildlife fatality under the unique conditions
encountered at wind farms, their unifying themes and their potential shortcomings. Avenues o
Authors
Manuela M. Huso
The influence of precipitation, vegetation and soil properties on the ecohydrology of sagebrush steppe rangelands on the INL site
The INL Site and other landscapes having sagebrush steppe vegetation are experiencing a simultaneous change in climate and floristics that result from increases in exotic species. Determining the separate and combined/interactive effects of climate and vegetation change is important for assessing future changes on the landscape and for hydrologic processes.
This research uses the 72 experimental
Authors
Matthew J. Germino