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Articles 1 - 12 of 12
Full-Text Articles in Animal Sciences
Dataset For The Incorporation Of Climate Change Into A Multiple Stressor Risk Assessment For The Chinook Salmon (Oncorhynchus Tshawytscha) Population In The Yakima River, Washington Usa, Wayne Landis, Chelsea J. Mitchell, John D. Hader, Rory Nathan, Emma E. Sharpe
Dataset For The Incorporation Of Climate Change Into A Multiple Stressor Risk Assessment For The Chinook Salmon (Oncorhynchus Tshawytscha) Population In The Yakima River, Washington Usa, Wayne Landis, Chelsea J. Mitchell, John D. Hader, Rory Nathan, Emma E. Sharpe
Environmental Sciences Faculty and Staff Publications
Data files available below
This data set is in support of Landis et al (in press 2024). A key question in understanding the implications of climate change is how to integrate ecological risk assessments that focus on contaminants with the environmental alterations from climate projections. This article summarizes the results of integrating selected direct and indirect effects of climate change into an existing Bayesian network previously used for ecological risk assessment. The existing Bayesian network Relative Risk Model (BN-RRM) integrated the effects of organophosphate pesticides concentrations, water temperature, and dissolved oxygen levels on the Chinook salmon population in the Yakima …
Vignette 08: Connection To Place: Indigenous Leadership In Səlilwət (Burrard Inlet), Tsleil-Waututh Nation’S Treaty Lands And Resources Department
Vignette 08: Connection To Place: Indigenous Leadership In Səlilwət (Burrard Inlet), Tsleil-Waututh Nation’S Treaty Lands And Resources Department
Institute Publications
Since time out of mind, Tsleil-Waututh have used and occupied Burrard Inlet and surrounding watersheds. Generations of Tsleil-Waututh people were brought up with the teaching, “When the tide went out, the table was set.” About 90% of our diet was once derived from Burrard Inlet and the Fraser River, but today the Inlet is unable to support our needs. Cumulative effects of colonial settlement and development have eroded the ecological health, integrity, and diversity of the Inlet. Tsleil-Waututh Nation (TWN) has a goal to restore the health of the Inlet so that we, and future generations of Tsleil-Waututh People, can …
Vignette 04: Olympia Oysters, Jodie Toft, Betsy Peabody
Vignette 04: Olympia Oysters, Jodie Toft, Betsy Peabody
Institute Publications
Olympia oysters (Ostrea lurida) are our only native oyster species here in the Salish Sea. Olympia oysters once covered an estimated 13-26% of the intertidal area in Puget Sound, mostly near the heads of inlets. A combination of overharvest, pollution, and habitat loss reduced the current population to less than 4% of historic numbers, though sparse numbers of Olympia oysters can still be found throughout most of their historic distribution. Looking to the future, as our region’s marine waters experience effects of climate change and ocean acidification (OA), native species such as the Olympia oyster may prove to …
Vignette 14: Eelgrass Wasting Disease, Olivia Graham, Morgan Eisenlord, Drew Harvell
Vignette 14: Eelgrass Wasting Disease, Olivia Graham, Morgan Eisenlord, Drew Harvell
Institute Publications
Rising seawater temperatures can increase the risk of disease outbreaks in many taxa. Pathogens are potentially the ultimate keystone species in that their small biomass can have massive impacts that ripple through ecosystems. Disease outbreaks can be particularly damaging when they affect ecosystem engineers, such as seagrasses. Outbreaks of wasting disease in seagrasses are one of a myriad of stressors associated with declining temperate and tropical seagrass meadows around the globe. Levels of eelgrass wasting disease are high in the San Juan Islands and Puget Sound. These increasing levels of disease are a threat to sustainability of eelgrass meadows, our …
Vignette 05: Blocking Culverts Impact Salmonid Survival, Northwest Indian Fisheries Commission
Vignette 05: Blocking Culverts Impact Salmonid Survival, Northwest Indian Fisheries Commission
Institute Publications
During the first six years of implementing the U.S. v. Washington culvert case injunction, the State of Washington has corrected 150 fish-blocking culverts in the Puget Sound Region. At the current rate, if additional support is not gained, the corrections of the remaining 799 culverts would be completed in 32 years or the year 2052.
Vignette 19: Invasive European Green Crab, Jeff Adams, Emily Grason, P. Sean Mcdonald, Allen Pleus, Jude Apple, Roger Fuller, Lucas Hart, Alexandra Simpson
Vignette 19: Invasive European Green Crab, Jeff Adams, Emily Grason, P. Sean Mcdonald, Allen Pleus, Jude Apple, Roger Fuller, Lucas Hart, Alexandra Simpson
Institute Publications
European green crab pose documented threats to cultured and wild shellfish, eelgrass, and shoreline habitats and ecosystems. Because they can prey on juvenile crabs and shellfish, dense populations of EGC in the Salish Sea region could put fisheries and aquaculture resources in peril. After Fisheries and Oceans Canada researchers reported an established EGC population in Sooke Basin, BC in 2012, the Washington Department of Fish and Wildlife (WDFW) worked with Washington Sea Grant (WSG) to secure Puget Sound Marine and Nearshore Grant Program funding and establish a volunteer-based early detection and monitoring program. WSG launched Crab Team in 2015 with …
Vignette 23: Indigenous Management Systems Can Promote More Sustainable Salmon Fisheries In The Salish Sea, William I. Atlas, Natalie C. Ban, Jonathan W. Moore, Adrian M. Tuohy, Spencer Greening, Andrea J. Reid, Nicole Morven, Elroy White, William G. Housty, Jess A. Housty, Christina N. Service, Larry Greba, Sam Harrison, Katherine Ir Butts, Elissa Sweeney-Bergen, Donna Macintyre, Matthew R. Sloat, Katrina Connors
Vignette 23: Indigenous Management Systems Can Promote More Sustainable Salmon Fisheries In The Salish Sea, William I. Atlas, Natalie C. Ban, Jonathan W. Moore, Adrian M. Tuohy, Spencer Greening, Andrea J. Reid, Nicole Morven, Elroy White, William G. Housty, Jess A. Housty, Christina N. Service, Larry Greba, Sam Harrison, Katherine Ir Butts, Elissa Sweeney-Bergen, Donna Macintyre, Matthew R. Sloat, Katrina Connors
Institute Publications
Indigenous peoples of the Northern Pacific Rim have harvested salmon for more than 10,000 years, and Pacific salmon (Oncorhynchus spp.) form the foundation of social-ecological systems encompassing communities from California to Kamchatka and Northern Japan. Through continuous placed-based interdependence with salmon, Indigenous societies formed deliberate and well-honed systems of salmon management. These systems promoted the sustained productivity of salmon fisheries. In Canada and the United States, Indigenous sovereignty and resource stewardship were forcibly disrupted by colonial government authority. Despite the destructive impacts of colonization, Indigenous culture and knowledge are resurgent in Canada and the United States. Indigenous fishing technologies and …
From Forests To Fish: Mercury In Mountain Lake Food Webs Influenced By Factors At Multiple Scales, Ariana M. Chiapella, Collin A. Eagles-Smith, Angela Strecker
From Forests To Fish: Mercury In Mountain Lake Food Webs Influenced By Factors At Multiple Scales, Ariana M. Chiapella, Collin A. Eagles-Smith, Angela Strecker
Environmental Sciences Faculty and Staff Publications
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 web biomagnification. We sought to assess how representative variables associated with watershed, lake, and food web-scale processes—specifically, catchment tree cover, lake benthic primary production, and fish diet, respectively—are associated with mercury concentrations in mountain lake fish. Mean fish mercury concentrations varied threefold between lakes, with nearshore tree cover and fish diet …
Fatty Acid Stable Isotopes Add Clarity, But Also Complexity, To Tracing Energy Pathways In Aquatic Food Webs, Ariana M. Chiapella, Martin J. Kainz, Angela Strecker
Fatty Acid Stable Isotopes Add Clarity, But Also Complexity, To Tracing Energy Pathways In Aquatic Food Webs, Ariana M. Chiapella, Martin J. Kainz, Angela Strecker
Environmental Sciences Faculty and Staff Publications
Tracing the flow of dietary energy sources, especially in systems with a high degree of omnivory, is an ongoing challenge in ecology. In aquatic systems, one of the persistent challenges is in differentiating between autochthonous and allochthonous energy sources to top consumers. Bulk carbon stable isotope values of aquatic and terrestrial prey often overlap, making it difficult to delineate dietary energy pathways in food webs with high allochthonous prey subsidies, such as in many northern temperate waterbodies. We conducted a feeding experiment to explore how fatty acid stable isotopes may overcome the challenge of partitioning autochthonous and allochthonous energy pathways …
Floodplains Provide Important Amphibian Habitat Despite Facing Multiple Ecological Threats, Meredith A. Holgerson, Adam Duarte, Marc P. Hayes, Michael J. Adams, Julie A. Tyson, Keith A. Douville, Angela Strecker
Floodplains Provide Important Amphibian Habitat Despite Facing Multiple Ecological Threats, Meredith A. Holgerson, Adam Duarte, Marc P. Hayes, Michael J. Adams, Julie A. Tyson, Keith A. Douville, Angela Strecker
Environmental Sciences Faculty and Staff Publications
Floodplain ponds and wetlands are productive and biodiverse ecosystems, yet they face multiple threats including altered hydrology, land use change, and non-native species. Protecting and restoring important floodplain ecosystems requires understanding how organisms use these habitats and respond to altered environmental conditions. We developed Bayesian models to evaluate occupancy of six amphibian species across 103 off-channel aquatic habitats in the Chehalis River floodplain, Washington State, USA. The basin has been altered by changes in land use, reduced river–wetland connections, and the establishment of non-native American bullfrogs (Rana catesbeiana = Lithobates catesbeianus) and centrarchid fishes, all of which we …
Dataset For The Environmental Risk Assessment Of Chlorpyrifos To Chinook Salmon In Four Rivers Of Washington State, United States, Wayne G. Landis, Valerie R. Chu, Scarlett Graham, Meagan J. Harris, April J. Markiewicz, Chelsea J. Mitchell, Katherine E. Stackelberg, John Stark
Dataset For The Environmental Risk Assessment Of Chlorpyrifos To Chinook Salmon In Four Rivers Of Washington State, United States, Wayne G. Landis, Valerie R. Chu, Scarlett Graham, Meagan J. Harris, April J. Markiewicz, Chelsea J. Mitchell, Katherine E. Stackelberg, John Stark
Environmental Sciences Faculty and Staff Publications
Data files available below.
This data set is in support of Landis et al (in press) The integration of chlorpyrifos acetylcholinesterase inhibition, water temperature and dissolved oxygen concentration into a regional scale multiple stressor risk assessment estimating risk to Chinook salmon in four rivers in Washington State, USA. DOI: 10.1002/ieam.4199. In this research We estimated the risk to populations of Chinook salmon (Oncorhynchus tshawytscha) due to chlorpyrifos (CH), water temperature (WT) and dissolved oxygen concentrations (DO) in four watersheds in Washington State, USA. The watersheds included the Nooksack and Skagit Rivers in the Northern Puget Sound, the Cedar …
The Northwest Salmon Crisis: A Documentary History - Book Review, Chris Friday
The Northwest Salmon Crisis: A Documentary History - Book Review, Chris Friday
History Faculty and Staff Publications
In this work, editors Joseph Cone and Sandy Ridlington have brought together an impressive set of documents dating from the mid-1850s treaties with Native Americans to the present. The authors divide the volume into four sections that cover the ideologies and parties involved in the debates over the place and role of salmon fisheries.