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Landscape Diversity Stratified by Geophysical Setting and Ecoregion with Regional Override, 2016 Eastern U.S. and Canada

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Summary

A climate-resilient conservation portfolio includes sites representative of all geophysical settings selected for their landscape diversity and local connectedness. We developed methods to identify such a portfolio. First, we mapped geophysical settings across the entire study area. Second, within each geophysical setting we located sites with diverse topography that were highly connected by natural cover. Third, we compared the identified sites with the current network of conservation lands and with The Nature Conservancy’s (TNC’s) portfolio of important biodiversity sites identified based on rare species and natural community locations.Using this information we noted geophysical settings that were underrepresented in current conservation [...]

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Purpose

This attribute provides the cell’s score for landscape diversity calculated using a 100 acre search area around a 30-meter cell. Landscape diversity is a measure of the variety of landforms, the elevation range, and in very flat areas: the density of wetlands. It estimates the number of micro-climates available for species. The diversity score is given as a SD category based on its standard normalized score for setting and ecoregion for the 30-meter grid. The Nature Conservancy’s Appalachian Resilience Project aimed to identify key places areas for conservation based on land characteristics that increase diversity and resilience. This is the estimated resilience score, based on the combined scores of landscape diversity and local connectedness, and ranked relative to the geophysical setting and ecoregion. The estimated resilience score is given as a SD category based on its standard normalized score for the setting and ecoregion. This is an update to Resilient Networks for Terrestrial Conservation in Eastern North America and Resilient Sites for Terrestrial Conservation in the Southeast. This data was completed in April 2016.
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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • North Atlantic Landscape Conservation Cooperative

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