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Climate Shield builds off of NorWeST modeled scenarios. Climate Shield data allows analysis of temperature impacts on cutthroat trout and bull trout. This data is well suited for land management priorities and stream restoration activities. This information can be used to assess how vulnerable a native trout population would be to a brook trout invasion or whether a native trout population would persist in the absence of brook trout. Note that because native trout populations in habitats with slopes >10% are resistant to brook trout invasions, probabilities in those habitats do not change relative to brook trout prevalence. |
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Climate Shield builds off of NorWeST modeled scenarios. Climate Shield data allows analysis of temperature impacts on cutthroat trout and bull trout. This data is well suited for land management priorities and stream restoration activities. This information can be used to assess how vulnerable a native trout population would be to a brook trout invasion or whether a native trout population would persist in the absence of brook trout. Note that because native trout populations in habitats with slopes >10% are resistant to brook trout invasions, probabilities in those habitats do not change relative to brook trout prevalence. |
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David Nagel, GIS Analyst/Physical Scientist at the USDA Forest Service, Rocky Mountain Research Station - Air, Water, and Aquatic Environments Program (http://www.fs.fed.us/rm/boise/AWAE/projects/ClimateShield.html) |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This feature class represents the historic (1980) scenario for bull trout, derived from the Climate Shield fish distribution models. These models provide stream-specific probabilistic predictions about the occurrence of juvenile bull trout and cutthroat trout in association with three different scenarios for climate change and brook trout invasions. These datasets indicate all potential cold-water habitats <11 degrees Celsius. The attribute fields BT_0BRK - BT_100BRK indicate the probabilities of bull trout occurrence within a cold-water habitat based on the prevalence of brook trout at 0%, 25%, 50%, 75%, or 100% of the sites within a habitat. The probabilities were predicted using the Climate Shield native trout models developed from known species occurrence in >500 cold-water streams. The stream centerlines were based on the National Hydrography Dataset (NHD) but were modified for purposes of modeling and cross-walking to other datasets.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The USDA Forest Service makes no warranty, expressed or implied, including the warranties of merchantability and fitness for a particular purpose, nor assumes any legal liability or responsibility for the accuracy, reliability, completeness or utility of these geospatial data, or for the improper or incorrect use of these geospatial data. These geospatial data and related maps or graphics are not legal documents and are not intended to be used as such. The data and maps may not be used to determine title, ownership, legal descriptions or boundaries, legal jurisdiction, or restrictions that may be in place on either public or private land. Natural hazards may or may not be depicted on the data and maps, and land users should exercise due caution. The data are dynamic and may change over time. The user is responsible to verify the limitations of the geospatial data and to use the data accordingly.</SPAN></P></DIV></DIV></DIV> |
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S_USA.ClimateShield_BULL0BRK0_1980 |
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["biota","environment","inlandWaters","health","climatologyMeteorologyAtmosphere","Climate Shield","climate change","stream temperature","refugia","invasive species","salmonid","trout","bull trout","species distribution","ectotherm","crowd sourcing","geostatistics","models"] |
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en-US |
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150000000 |
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