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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Impacts Of Climate Change On Multiple Use Management Of Bureau Of Land Management Land In The Intermountain West, Usa, Elaine M. Brice, Brett A. Miller, Hongchao Zhang, Kirsten Goldstein, Scott N. Zimmer, Guenchik J. Grosklos, Patrick Belmont, Courtney G. Flint, Jennifer E. Givens, Peter B. Adler, Mark W. Brunson, Jordan W. Smith
Impacts Of Climate Change On Multiple Use Management Of Bureau Of Land Management Land In The Intermountain West, Usa, Elaine M. Brice, Brett A. Miller, Hongchao Zhang, Kirsten Goldstein, Scott N. Zimmer, Guenchik J. Grosklos, Patrick Belmont, Courtney G. Flint, Jennifer E. Givens, Peter B. Adler, Mark W. Brunson, Jordan W. Smith
Watershed Sciences Faculty Publications
Although natural resource managers are concerned about climate change, many are unable to adequately incorporate climate change science into their adaptation strategies or management plans, and are not always aware of or do not employ the most current scientific knowledge. One of the most prominent natural resource management agencies in the United States is the Bureau of Land Management (BLM), which is tasked with managing over 248 million acres (>1 million km2) of public lands for multiple, often conflicting, uses. Climate change will affect the sustainability of many of these land uses and could further increase conflicts …
Plastic Rain In Protected Areas Of The United States, Janice Brahney, Margaret Hallerud, Eric Heim, Maura Hahnenberger, Suja Sukumaran
Plastic Rain In Protected Areas Of The United States, Janice Brahney, Margaret Hallerud, Eric Heim, Maura Hahnenberger, Suja Sukumaran
Watershed Sciences Faculty Publications
Eleven billion metric tons of plastic are projected to accumulate in the environment by 2025. Because plastics are persistent, they fragment into pieces that are susceptible to wind entrainment. Using high-resolution spatial and temporal data, we tested whether plastics deposited in wet versus dry conditions have distinct atmospheric life histories. Further, we report on the rates and sources of deposition to remote U.S. conservation areas. We show that urban centers and resuspension from soils or water are principal sources for wet-deposited plastics. By contrast, plastics deposited under dry conditions were smaller in size, and the rates of deposition were related …
Modelling Eurasian Beaver Foraging Habitat And Dam Suitability, For Predicting The Location And Number Of Dams Throughout Catchments In Great Britain, Hugh A. Graham, Alan Puttock, William W. Macfarlane, Joseph Michael Wheaton, Jordan T. Gilbert, Róisín Campbell-Palmer, Mark Elliott, Martin J. Gaywood, Karen Anderson, Richard E. Brazier
Modelling Eurasian Beaver Foraging Habitat And Dam Suitability, For Predicting The Location And Number Of Dams Throughout Catchments In Great Britain, Hugh A. Graham, Alan Puttock, William W. Macfarlane, Joseph Michael Wheaton, Jordan T. Gilbert, Róisín Campbell-Palmer, Mark Elliott, Martin J. Gaywood, Karen Anderson, Richard E. Brazier
Watershed Sciences Faculty Publications
Eurasian beaver (Castor fiber) populations are expanding across Europe. Depending on location, beaver dams bring multiple benefits and/or require management. Using nationally available data, we developed: a Beaver Forage Index (BFI), identifying beaver foraging habitat, and a Beaver Dam Capacity (BDC) model, classifying suitability of river reaches for dam construction, to estimate location and number of dams at catchment scales. Models were executed across three catchments, in Great Britain (GB), containing beaver. An area of 6747 km2 was analysed for BFI and 16,739 km of stream for BDC. Field surveys identified 258 km of channel containing beaver …
A New Sampler For The Collection And Retrieval Of Dry Dust Deposition, Janice Brahney, Gregory Wetherbee, Graham A. Sexstone, C. Youngbull, P. Strong, Ruth C. Heindel
A New Sampler For The Collection And Retrieval Of Dry Dust Deposition, Janice Brahney, Gregory Wetherbee, Graham A. Sexstone, C. Youngbull, P. Strong, Ruth C. Heindel
Watershed Sciences Faculty Publications
Atmospheric dust can influence biogeochemical cycles, accelerate snowmelt, and affect air, water quality, and human health. Yet, the bulk of atmospherically transported material remains poorly quantified in terms of total mass fluxes and composition. This lack of information stems in part from the challenges associated with measuring dust deposition. Here we report on the design and efficacy of a new dry deposition sampler (Dry Deposition Sampling Unit (DSU)) and method that quantifies the gravitational flux of dust particles. The sampler can be used alone or within existing networks such as those employed by the National Atmospheric Deposition Program (NADP). Because …
Potential For Managed Aquifer Recharge To Enhance Fish Habitat In A Regulated River, Robert W. Van Kirk, Bryce A. Contor, Christina N. Morrisett, Sarah E. Null, Ashly S. Loibman
Potential For Managed Aquifer Recharge To Enhance Fish Habitat In A Regulated River, Robert W. Van Kirk, Bryce A. Contor, Christina N. Morrisett, Sarah E. Null, Ashly S. Loibman
Watershed Sciences Faculty Publications
Managed aquifer recharge (MAR) is typically used to enhance the agricultural water supply but may also be promising to maintain summer streamflows and temperatures for cold-water fish. An existing aquifer model, water temperature data, and analysis of water administration were used to assess potential benefits of MAR to cold-water fisheries in Idaho’s Snake River. This highly-regulated river supports irrigated agriculture worth US $10 billion and recreational trout fisheries worth $100 million. The assessment focused on the Henry’s Fork Snake River, which receives groundwater from recharge incidental to irrigation and from MAR operations 8 km from the river, addressing (1) the …
Glaciers In The Canadian Columbia Basin, Technical Report, Brian Menounos, Ben M. Pelto, Sean W. Fleming, R. Dan Moore, Frank Weber, Dave Hutchinson, Janice Brahney
Glaciers In The Canadian Columbia Basin, Technical Report, Brian Menounos, Ben M. Pelto, Sean W. Fleming, R. Dan Moore, Frank Weber, Dave Hutchinson, Janice Brahney
Watershed Sciences Faculty Publications
The cryosphere - all forms of frozen water on Earth- plays a fundamental role in its climate system. Seasonal snow, mountain glaciers, ice sheets, and sea ice reflect much of the incoming shortwave radiation at high latitudes and in mountainous terrain back to space, helping to regulate the surface temperature of the planet. Accelerating concentrations of greenhouse gases (Solomon et al. 2009) are responsible for late twentieth and early twenty-first century tropospheric warming; this warming in turn drives large-scale changes in the cryosphere, with global implications that include changes in hemispheric circulation (Francis and Vavrus 2012), sea level rise (Gardner …
Consequences Of Didymo Blooms In The Transnational Kootenay River Basin, Niall G. Clancy, Janice Brahney, Jeff Curtis, Phaedra E. Budy
Consequences Of Didymo Blooms In The Transnational Kootenay River Basin, Niall G. Clancy, Janice Brahney, Jeff Curtis, Phaedra E. Budy
Watershed Sciences Faculty Publications
Stream habitat changes that affect primary consumers often indirectly impact secondary consumers such as fishes. Blooms of the benthic algae Didymosphenia geminata (Didymo) represent one such habitat change known to affect stream macroinvertebrates. However, the potential indirect trophic impacts on fish consumers via modifications to their diet are poorly understood. The overall goal of this project was to determine if Didymo blooms in streams of the Kootenay River basin of British Columbia and Montana affect the condition and growth of fishes, and to see whether trophic mechanisms were responsible for any observed changes. We therefore quantified the diet, condition, and …