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National Cave and Karst Research Institute
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The National Cave and Karst Research Institute (NCKRI) is a non-profit government-supported institute headquartered in the City of Carlsbad, New Mexico. Its goals are to conduct, support, facilitate, and promote programs in cave and karst research, education, environmental management, and data acquisition and sharing.
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NatureServe Regions and Karst
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Three basic regions are identified by NatureServe; Interior Low Plateaus,Central Appalachians, and Cumberland Southern Blue Ridge. These ares are displayed along with karst resources within the Appalachian LCC region.
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Gallery: Cave and Karst Maps
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Study Overview Maps and Foundational Datasets
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Percentage of Karst Area within Grid Cell
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Each cell represents the percent of karst within a 20 x 20 kilometer grid cell, a measure of habitat quantity. This attribute can be used to predict presence/absence of particular ecological groups in caves.
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Gallery: Cave and Karst Maps
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Study Overview Maps and Foundational Datasets
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Precipitation Seasonality
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Precipitation seasonality using coefficient of variation at 1 kilometer resolution throughout the Appalachian LCC region.
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Gallery: Cave and Karst Maps
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Study Overview Maps and Foundational Datasets
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Predicting the Occurrence of Cave-Inhabiting Fauna Based on Features of the Earth Surface Environment
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Final Report
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Funded Projects
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Classification and Mapping of Cave and Karst Resources
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Probability of Presence - Aquatic Species
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As a first step toward a predictive model of hotspots of species richness based on the predictive variables outlined above, the probabilities of each group within each grid cell were summed (excluding fish which do not occur at all in the Central Appalachians, making predictions impossible). The probabilities were summed to indicate locations that have one or more of the species groupings. Higher values indicate that more species are likely to be found.
The map of predicted aquatic species richness has broader swaths of species richness,
especially in the Interior Low Plateau.
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Gallery: Cave and Karst Maps
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Land Use and Potential Risk Maps
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Probability of Presence - Terrestrial Species
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As a first step toward a predictive model of hotspots of species richness based on the predictive variables outlined above, the probabilities of each group within each grid cell were summed (excluding fish which do not occur at all in the Central Appalachians, making predictions impossible). The probabilities were summed to indicate locations that have one or more of the species groupings. Higher values indicate that more species
are likely to be found.
For the five terrestrial groups, the major hotspot is in northeast Alabama and south central Tennessee, mimicking the observed data. However, there are also hotspots in southwest Virginia, and central West Virginia that do not appear on the map of species richness.
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Gallery: Cave and Karst Maps
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Land Use and Potential Risk Maps
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Probability of Presence for Amphipods
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This map depicts the probability of presence for species within the amphipod group throughout the Appalachian LCC region. Red areas have the highest probability of presence.
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Gallery: Cave and Karst Maps
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Probability of Presence by Species Group
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Probability of Presence for Crayfish
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This map depicts the probability of presence for species within the crayfish group throughout the Appalachian LCC region. Red areas have the highest probability of presence.
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Gallery: Cave and Karst Maps
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Probability of Presence by Species Group
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Probability of Presence for Fish
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This map depicts the probability of presence for species within the fish group throughout the Appalachian LCC region. Red areas have the highest probability of presence.
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Gallery: Cave and Karst Maps
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Probability of Presence by Species Group