Filters: Tags: Disturbance (X) > Types: OGC WFS Layer (X) > Categories: Project (X)

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Alaska permafrost characterization Fire and hydrology can be significant drivers of permafrost change in boreal landscapes, altering the availability of soil carbon and nutrients that have important implications for future climate and ecological succession. However, not all landscapes are equally susceptible to disturbance. New methods are needed to understand the vulnerability and resilience of different landscapes to permafrost degradation. This project uses remote sensing, geophysical, and other field-based observations to reveal details of both near-surface (<1 m) and deeper (>1 m) permafrost characteristics over multiple scales. This LandCarbon project currently supports the NASA ABoVE project, 'Vulnerability of inland waters and the aquatic... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, Carbon Stock, Disturbance, Geophysics, Permafrost, All tags... Remote Sensing, Soil Carbon, Staging, Fewer tags Great Dismal Swamp Project The Great Dismal Swamp (GDS) project is an application of USGS LandCarbon, at the US Fish and Wildlife Service's (FWS) Great Dismal Swamp National Wildlife Refuge (NWR), and is designed to produce local-scale carbon estimates (including fluxes, ecosystem balance, and long-term sequestration rate) to include in an ecosystem service assessment in support of Department of Interior (DOI) land management activities. The project will improve the understanding of the effects of past drainage, logging, farming, and management on carbon sequestration and fire risk in peatlands. Broad Science Questions: How are ecosystem services (including carbon sequestration, wildlife viewing, water quality, and others) impacted by management... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Atlantic White Cedar, Carbon Flux, Carbon Stock, Disturbance, Ecosystem Services, All tags... Freshwater forested wetland, Great Dismal Swamp, Great Dismal Swamp National Wildlife Refuge, Hydrology, LUCAS Model, Lateral West Fire, Mid-Atlantic Coastal Plain, Net Ecosystem Carbon Balance, Peatlands, Soil Carbon, Staging, State-and-transition simulation models, USGS, Wetlands, Fewer tags Identifying Historical Drivers of Vegetation Change to Inform Future Management of Federal Lands in the Northern Great Basin The sagebrush rangelands of the Great Basin provide crucial habitat for a diversity of wildlife, including the pronghorn and the greater sage-grouse. These water-limited, highly-managed ecosystems have already been degraded by wildfires, the expansion of invasive grasses, and livestock grazing, and are expected to experience additional stress as climate and land use conditions change. Effective management of sagebrush ecosystems in the future will require the ability to understand and predict these future changes. To address this need, researchers will identify historical rates and causes of vegetation change in shrubland ecosystems, then use this information to develop potential future climate and land use scenarios... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2018, CASC, Completed, Landsat, Landscapes, All tags... Landscapes, Landscapes, Northwest, Northwest, Northwest CASC, Other Landscapes, Other Landscapes, Projects by Region, Projects by Region, Shrubland, climate change, disturbance, fire, grazing, projected change, recovery, sagebrush, Fewer tags Identifying refuge streams and lakes for Rio Grande cutthroat trout in a changing climate Cutthroat trout (CT; Oncorhynchus clarki ssp.) are extremely imperiled owing to a variety of stressors. Changing climate is adding to these stressors that have already relegated CT in the Southern Rocky Mountains to less than 35% of their native habitat. The Rio Grande CT (O. c. virginalis) occupies 12% of its native range and is currently under review for ESA listing as federally threatened. Changing thermal regimes, hydroclimate, and disturbance regimes will continue to alter the remaining habitat of Rio Grande CT. An understanding the status and trends of Rio Grande CT thermal habitats and the vulnerability of these habitats to climate driven changes in temperature and stochastic disturbance regimes would enable... Categories: Map, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Colorado, GIS, New Mexico, Rio Grande cutthroat trout, SRLCC, All tags... climate chage, cutthroat trout, disturbance, fish, habitat, native fish, native trout, refugia, upper rio grande basin, vulnerability, water temperature, Fewer tags Ecosystem disturbances monitoring an modeling The disturbance team contributes to the goals of the LandCarbon project and conducts research focusing on 3 main components: (1) monitoring disturbance patterns and their impacts on carbon cycling, (2) understanding drivers creating the patterns and impacts, and (3) using scenarios of change to project future potential disturbance patterns, their interactions with other disturbances, and subsequent impacts on carbon cycling. Key research questions driving our work include: (1) Monitoring: How can remotely sensed, field-based, and other data best be used individually and synergistically to track changes in fire occurrence in ecosystem types with long fire-return intervals and the impacts on carbon? How do disturbances... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Carbon dynamics, Carbon flux, Carbon stock, Disturbance, Fire, All tags... Insects, Modeling, Remote sensing, Staging, United States, Fewer tags