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Categorical representation of threat due to future insect and disease outbreaks, for each fireshed, based on current stand and site conditions |
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Categorical representation of threat due to future insect and disease outbreaks, for each fireshed, based on current stand and site conditions |
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USDA Forest Service Forest Inventory and Analysis (FIA) and Mature and Old Growth Inventory Technical Team: Scott Barndt, Andrew Gray, Greg Hayward, Jen Ross, Shannon Groff, Christopher Hiemstra, Aaron Kamoske, Shanna Kleinsmith, Joseph Krueger, Marin Palmer, Kristen Pelz, Wade Salverson |
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5000 |
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<DIV STYLE="text-align:Left;font-size:12pt"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>This data layer displays the percent of forested area in each fireshed that is exposed to potential damage due to insects and disease: Very Low (less than 12% of forested area); Low (12-19% of forested area); Moderate (19 – 23% of forested area); High (23 – 30% of forested area); Very High (greater than 30% of forested area). The National Insect and Disease Risk Map (NIDRM) developed by the Forest Service’s Forest Health Assessment and Applied Science Team (FHAAST) indicates where forests are stressed and susceptible to outbreaks of native and non-native insects and diseases. These include forests with overly high stand densities and where soil/site conditions contribute to drought. The basis for assigning risk to a 30-meter pixel is the expectation that 25% or more of live basal area (three times the natural background rate of mortality) will die over the next 15 years due to insects and diseases. Fireshed-level risk was determined by summing up the total area containing risk in each fireshed from the 30-meter risk map. This percentage was the input value into the Mature and Old Growth Condition Assessment (MOG-CA, an Ecosystem Management Decision Support-based logic model) to produce the insect and pathogen scores. The MOG-CA leveraged thresholds to convert these values into scores ranging from +1 (Very Good Condition, Very Low Risk) to -1 (Very Poor Condition, Very High Risk).</SPAN></SPAN></P><P /><DIV><P><SPAN /></P><P><SPAN>Spatial Extent: CONUS</SPAN></P><P><SPAN>Units: "Categories of % of area:</SPAN></P><P><SPAN>Very Low (<12% of area)</SPAN></P><P><SPAN>Low (12-19% of area)</SPAN></P><P><SPAN>Moderate (19 – 23% of area)</SPAN></P><P><SPAN>High (23 – 30% of area)</SPAN></P><P><SPAN>Very High (>30% of area)"</SPAN></P></DIV></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV STYLE="font-size:12pt"><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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MOGCA Forest Insect and Pathogen Hazard Scores at the Project Area Scale for the Conterminous United States |
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["Climate Risk Viewer","US Forest Service","USFS","Office of Sustainability and Climate","OSC","CRV","Climate Change","Mature and Old-Growth","Forest","Mature","Old-Growth","MOG","Threat Assessment"] |
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en-US |
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150000000 |
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