Filters: Tags: water temperature (X) > partyWithName: Western Alaska Landscape Conservation Cooperative (X)

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Subsidies of Aquatic Resources in Terrestrial Ecosystems Floods, spatially complex water flows, and organism movements all generate important fluxes of aquatic-derived materials into terrestrial habitats, counteracting the gravity-driven downhill transport of matter from terrestrial-to-aquatic ecosystems. The magnitude of these aquatic subsidies isoften smaller than terrestrial subsidies to aquatic ecosystems but higher in nutritional quality, energy density, and nutrient concentration. The lateral extent of biological aquatic subsidies is typically small, extending only a few meters into riparian habitat; however, terrestrial consumers often aggregate on shorelines to capitalize on these high-quality resources. Although the ecological effects of aquatic subsidies remain... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ECOSYSTEM FUNCTIONS, ECOSYSTEM FUNCTIONS, Federal resource managers, LCC Network Science Catalog, Publication, All tags... Regional & county planners, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, STREAMFUNCTIONS, STREAMFUNCTIONS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, WATERSHED CHARACTERISTICS, WATERSHED CHARACTERISTICS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, inlandWaters, inlandWaters, Fewer tags Watershed geomorphology and snowmelt control stream thermal sensitivity to air temperature How local geomorphic and hydrologic features mediate the sensitivity of stream thermal regimes to variation in climatic conditions remains a critical uncertainty in understanding aquatic ecosystem responses to climate change. We used stable isotopes of hydrogen and oxygen to estimate contributions of snow and rainfall to 80 boreal streams and show that differences in snow contribution are controlled by watershed topography. Time series analysis of stream thermal regimes revealed that streams in rain-dominated, low-elevation watersheds were 5–8 times more sensitive to variation in summer air temperature compared to streams draining steeper topography whose flows were dominated by snowmelt. This effect was more pronounced... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ECOSYSTEM FUNCTIONS, ECOSYSTEM FUNCTIONS, Federal resource managers, LCC Network Science Catalog, Publication, All tags... Regional & county planners, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, STREAMFUNCTIONS, STREAMFUNCTIONS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, WATERSHED CHARACTERISTICS, WATERSHED CHARACTERISTICS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, inlandWaters, inlandWaters, Fewer tags Rapid and highly variable warming of lake surface waters around the globe In this first worldwide synthesis of in situ and satellite-derived lake data, we find that lakesummer surface water temperatures rose rapidly (global mean = 0.34°C decade 1) between 1985 and2009. Our analyses show that surface water warming rates are dependent on combinations of climate andlocal characteristics, rather than just lake location, leading to the counterintuitive result that regionalconsistency in lake warming is the exception, rather than the rule. The most rapidly warming lakes are widelygeographically distributed, and their warming is associated with interactions among different climatic factors—from seasonally ice-covered lakes in areas where temperature and solar radiation are increasing whilecloud... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ECOSYSTEM FUNCTIONS, ECOSYSTEM FUNCTIONS, Federal resource managers, LCC Network Science Catalog, Publication, All tags... Regional & county planners, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, STREAMFUNCTIONS, STREAMFUNCTIONS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, WATERSHED CHARACTERISTICS, WATERSHED CHARACTERISTICS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Temperature, phenology, and embryo survival in western Alaska sockeye salmon population: the potential for adaptation to a warming world? Viable sockeye salmon populations are critical to the economy, culture, and freshwater ecosystems of Bristol Bay in Western Alaska, and it is unclear how populations might respond to warming temperatures during the critical life history stages of spawning and embryo incubation. The overarching goal of the project is to understand how temperature might influence population-specific patterns of embryo incubation, timing of hatching and fry emergence, and sockeye salmon embryo survival. By combining analyses of data from two large lake systems in the Kvichak watershed, laboratory rearing experiments to elucidate functional relationships, and simulation modeling, this project quantifies biological responses to changing... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, DATA REFORMATTING, DATA REFORMATTING, All tags... Data Management and Integration, Decision Support, Federal resource managers, LAKES, LAKES, LCC Network Science Catalog, MEDIA TRANSFER/DATA RESCUE, MEDIA TRANSFER/DATA RESCUE, PHENOMENOLOGICAL MODELS, PHENOMENOLOGICAL MODELS, PHYSICAL/LABORATORY MODELS, PHYSICAL/LABORATORY MODELS, Population & Habitat Evaluation/Projection, Project, Publication, RIVERS/STREAMS, RIVERS/STREAMS, RURAL AREAS, RURAL AREAS, Report, SALMONS/TROUTS, SALMONS/TROUTS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, biota, biota, environment, environment, onGoing, Fewer tags Webinar: Effects of winter climate and watershed features on summer stream temperatures in Bristol Bay, Alaska Webinar given by the lead PI about findings associated with project: Water Temperature Regimes in the Togiak NWR and Wood-Tikchik State Park Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ECOSYSTEM FUNCTIONS, ECOSYSTEM FUNCTIONS, Federal resource managers, LCC Network Science Catalog, Regional & county planners, All tags... SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, STREAMFUNCTIONS, STREAMFUNCTIONS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, WATERSHED CHARACTERISTICS, WATERSHED CHARACTERISTICS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, presentation, Fewer tags A global database of lake surface temperatures collected by in situ and satellite methods from 1985–2009 Global environmental change has influenced lake surface temperatures, a key driver of ecosystem structureand function. Recent studies have suggested significant warming of water temperatures in individual lakesacross many different regions around the world. However, the spatial and temporal coherence associatedwith the magnitude of these trends remains unclear. Thus, a global data set of water temperature isrequired to understand and synthesize global, long-term trends in surface water temperatures of inlandbodies of water. We assembled a database of summer lake surface temperatures for 291 lakes collectedin situ and/or by satellites for the period 1985–2009. In addition, corresponding climatic drivers (airtemperatures,... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ECOSYSTEM FUNCTIONS, ECOSYSTEM FUNCTIONS, Federal resource managers, LCC Network Science Catalog, Publication, All tags... Regional & county planners, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, STREAMFUNCTIONS, STREAMFUNCTIONS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, WATERSHED CHARACTERISTICS, WATERSHED CHARACTERISTICS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Final Report: Temperature, phenology, and embryo survival in Western Alaska sockeye salmon populations: the potential for adaptation to a warming worl This report is structured around the specific objectives in the format of three stand-alone manuscripts that are in the process of submission to peer-reviewed journals. The first manuscript includes objectives 1-2, the second manuscript addresses objective 3, and the final manuscript objective 4. The overarching goal of the proposal was to understand how both recently experienced and projected water temperatures might influence population-specific patterns of embryo incubation, timing of hatching and fry emergence, and survival of sockeye salmon embryos. Additionally, we sought to explore the potential for adaptation in a heritable threshold life history trait that shapes whether an individual migrates to the ocean... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, DATA REFORMATTING, DATA REFORMATTING, All tags... Federal resource managers, LAKES, LAKES, LCC Network Science Catalog, MEDIA TRANSFER/DATA RESCUE, MEDIA TRANSFER/DATA RESCUE, PHENOMENOLOGICAL MODELS, PHENOMENOLOGICAL MODELS, PHYSICAL/LABORATORY MODELS, PHYSICAL/LABORATORY MODELS, RIVERS/STREAMS, RIVERS/STREAMS, RURAL AREAS, RURAL AREAS, Report, SALMONS/TROUTS, SALMONS/TROUTS, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, SURVIVAL RATES, SURVIVAL RATES, State agencies, THERMAL PROPERTIES, THERMAL PROPERTIES, WATER TEMPERATURE, WATER TEMPERATURE, WATER TEMPERATURE, WATER TEMPERATURE, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, inlandWaters, inlandWaters, Fewer tags Final Report Water Temperature Regimes in the Togiak NWR and Wood-Tikchik State Park Southwest Alaska is one of the fastest warming regions on Earth and its aquatic resources are at distinct risk from changing climate. Previous work has demonstrated that a variety of physical and biological processes are sensitive to changing climate regimes in this region, including those that support wildlife and fisheries that are of substantial importance for subsistence and commercial activities. This collaborative project resulted in the compilation of a database of existing stream, river and lake temperatures that is unmatched anywhere else in Alaska in terms of its spatial and temporal coverage. Analysis of these data resulted in refinement of the monitoring plan developed to characterize thermal responses... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ECOSYSTEM FUNCTIONS, ECOSYSTEM FUNCTIONS, Federal resource managers, LCC Network Science Catalog, Regional & county planners, All tags... Report, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, STREAMFUNCTIONS, STREAMFUNCTIONS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, WATERSHED CHARACTERISTICS, WATERSHED CHARACTERISTICS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, inlandWaters, inlandWaters, Fewer tags Where we are and where we need to be to understand regional water temperature trends: establishing minimum data collection standards for stream temper As Alaskans continue to feel the impacts of a changing climate, the need for resource managers to understand how these changes will alter aquatic systems and fisheries resources grows. Water temperature data collection has increased in recent years to begin to fill our gaps in knowledge about current thermal profiles. Many entities are collecting temperature data for a variety of purposes to meet project or agency specific goals. AKOATS, the Alaska Online Aquatic Temperature Site, is a comprehensive statewide inventory of current (n=413) and historic (n=398) continuous monitoring locations for stream and lake temperature using a common set of attributes. Data were gathered from fish biologists, hydrologists, water... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Conservation NGOs, LCC Network Science Catalog, RIVERS/STREAM HABITAT, RIVERS/STREAM HABITAT, RIVERS/STREAMS, All tags... RIVERS/STREAMS, SALMONS/TROUTS, SALMONS/TROUTS, TEMPERATURE TRENDS, TEMPERATURE TRENDS, Tribes, WATER QUALITY, WATER QUALITY, WATER TEMPERATURE, WATER TEMPERATURE, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, inlandWaters, inlandWaters, presentation, Fewer tags Strategic Plan for Voluntary, Network-based Water Temperature Monitoring of Salmon Habitat in the Kodiak Archipelago, Alaska This plan establishes a framework for voluntary, network-based water temperature monitoring of salmon habitat in the Kodiak Archipelago, Alaska. The goals are to coordinate acquisition and availability of water temperature data that meets salmon management needs of cooperating organizations, meets statewide minimum data collection standards, and is publicly-accessible. The focus on monitoring water temperature of salmon habitat reflects recognition of its prominent influence on salmon at all life cycle stages; the importance of salmon to the economy and ecosystem of the archipelago; and the need to provide reliable time-series data to support development of proactive approaches to management of salmon in response... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Document, Federal resource managers, LAKES, LAKES, LCC Network Science Catalog, All tags... RIVERS/STREAM HABITAT, RIVERS/STREAM HABITAT, SALMONS/TROUTS, SALMONS/TROUTS, State agencies, TEMPERATURE TRENDS, TEMPERATURE TRENDS, Tribes, WATER TEMPERATURE, WATER TEMPERATURE, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Thermal constraints on stream consumer responses to a marine resource subsidy Spawning migrations of Pacific salmon (Oncorhynchus spp.) to coastal watersheds provide a rich resource subsidy to freshwater consumers. However, variation in thermal regimes and spawning activity across the landscape constrain the ability of poikilothermic consumers to assimilate eggs and carcasses. We investigated how sockeye salmon (Oncorhynchus nerka) spawning density and stream temperature affect the growth, body condition, and fatty acid composition of juvenile coho salmon (Oncorhynchus kisutch), a known egg predator, in seven tributaries of the Wood River in Southwest Alaska. We compared mean body size of juvenile coho salmon in late summer among 3–7 years per stream and found that the largest mean size occurred... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ECOSYSTEM FUNCTIONS, ECOSYSTEM FUNCTIONS, Federal resource managers, LCC Network Science Catalog, Publication, All tags... Regional & county planners, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, STREAMFUNCTIONS, STREAMFUNCTIONS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, WATERSHED CHARACTERISTICS, WATERSHED CHARACTERISTICS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Thermal adaptation and phenotypic plasticity in a warming world: Insights from common garden experiments on Alaskan sockeye salmon An important unresolved question is how populations of coldwater-dependent fishes will respond to rapidly warming water temperatures. For example, the culturally and economically important group, Pacific salmon (Oncorhynchus spp.), experience site-specific thermal regimes during early development that could be disrupted by warming. To test for thermal local adaptation and heritable phenotypic plasticity in Pacific salmon embryos, we measured the developmental rate, survival, and body size at hatching in two populations of sockeye salmon (Oncorhynchus nerka) that overlap in timing of spawning but incubate in contrasting natural thermal regimes. Using a split half-sibling design, we exposed embryos of 10 families... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, DATA REFORMATTING, DATA REFORMATTING, All tags... Federal resource managers, LAKES, LAKES, LCC Network Science Catalog, MEDIA TRANSFER/DATA RESCUE, MEDIA TRANSFER/DATA RESCUE, PHENOMENOLOGICAL MODELS, PHENOMENOLOGICAL MODELS, PHYSICAL/LABORATORY MODELS, PHYSICAL/LABORATORY MODELS, Publication, RIVERS/STREAMS, RIVERS/STREAMS, RURAL AREAS, RURAL AREAS, SALMONS/TROUTS, SALMONS/TROUTS, SALMONS/TROUTS, SALMONS/TROUTS, STREAM, STREAM, SURVIVAL RATES, SURVIVAL RATES, State agencies, THERMAL PROPERTIES, THERMAL PROPERTIES, WATER TEMPERATURE, WATER TEMPERATURE, WATER TEMPERATURE, WATER TEMPERATURE, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, inlandWaters, inlandWaters, Fewer tags Landscape-scale analysis of the relationship between juvenile Chinook size and growth and stream temperature in western Alaska Water temperature plays a critical role in the health of pre-smolt salmon life stages, and changes in water temperature may be a strong driving factor on growth and survival of juvenile Chinook salmon. Climate is expected to warm substantially in the coming decades in western Alaska, potentially affecting juvenile salmon condition in freshwater habitats. This project investigated the feasibility of using existing data to assess the variability in size-at-age and annual growth for juvenile Chinook salmon across the western Alaska landscape and to estimate the relationship between juvenile Chinook size-at-age or annual growth and spatial or temporal stream temperature gradients. The project showed adequate data exists... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Federal resource managers, LCC Network Science Catalog, Report, SALMONS/TROUTS, All tags... SALMONS/TROUTS, State agencies, WATER TEMPERATURE, WATER TEMPERATURE, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, elevation, elevation, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, Fewer tags Stream Temperature Data Collection Standards and Protocol for Alaska: Minimum Standards to Generate Data Useful for Regional-scale Analyses As Alaskans continue to feel the impacts of a changing climate, the need for resource managers to understand how these changes will alter aquatic systems and fisheries resources grows. Water temperature data collection has increased in recent years to begin to fill our gaps in knowledge about current thermal profiles; however, with Alaska’s vast landscapes and ubiquitous freshwater habitats, the need for water temperature data is ongoing. Many entities are collecting temperature data for a variety of purposes to meet project or agency specific goals. Statewide interest in thermal patterns and increasing data collection efforts provides Alaska’s scientific and resource managing community an opportunity to meet broader... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Conservation NGOs, LCC Network Science Catalog, RIVERS/STREAM HABITAT, RIVERS/STREAM HABITAT, RIVERS/STREAMS, All tags... RIVERS/STREAMS, Report, SALMONS/TROUTS, SALMONS/TROUTS, TEMPERATURE TRENDS, TEMPERATURE TRENDS, Tribes, WATER QUALITY, WATER QUALITY, WATER TEMPERATURE, WATER TEMPERATURE, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, inlandWaters, inlandWaters, Fewer tags Networked monitoring of salmon habitat temperature: Two case studies from southwestern Alaska In recognition of the importance of salmon to the economy and ecosystems of southwestern Alaska and the pervasive influence of water temperature on salmon, voluntary network-based water temperature monitoring programs were established in the Bristol Bay region and the Kodiak Archipelago in 2015. These collaborative networks among federal and state agencies, non-governmental organizations and Native Tribes aim to provide reliable time-series stream and lake temperature data to support development of proactive approaches to management of salmon in response to climate warming. Collaborators are tackling the challenges of year-round field deployment, data management, data storage and sharing, and long-term funding.... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Federal resource managers, LAKES, LAKES, LCC Network Science Catalog, RIVERS/STREAM HABITAT, All tags... RIVERS/STREAM HABITAT, SALMONS/TROUTS, SALMONS/TROUTS, State agencies, TEMPERATURE TRENDS, TEMPERATURE TRENDS, Tribes, WATER TEMPERATURE, WATER TEMPERATURE, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, elevation, elevation, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, presentation, Fewer tags