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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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NOAA National Center for Environmental Information
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The National Center for Environmental Information is the world’s largest provider of weather and climate data. Land-based, marine, model, radar, weather balloon, satellite, and paleoclimatic are just a few of the types of datasets available. Detailed descriptions of the available products and platforms are available on the website.
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Data
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Public Data Repositories
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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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Plan for the Population Restoration and Conservation of Imperiled Freshwater Mollusks of the Cumberland Region
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The goal of this Plan is to provide a framework for the restoration of freshwater mollusk resources and their ecological functions to appropriate reaches of the Cumberlandian Region through the reintroduction, augmentation (R/A) and controlled propagation of priority mollusks. The Plan prioritizes propagation and R/A activities for Region mollusks and provides guidelines for resource managers and recovery partners. The Plan is not a legal document and is not intended to replace or supersede published recovery plans for listed mollusks.
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Reports & Documents
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Population Performance Criteria to Evaluate Reintroduction and Recovery of Two Endangered Mussel Species, Epioblasma brevidens and Epioblasma capsaeformis
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Genetic and demographic modeling of two endangered mussel species, Epioblasma brevidens and E. capsaeformis, in the Clinch River, U.S.A., was conducted to determine quantitative criteria to evaluate performance of extant and reintroduced populations. Reintroduction modelling indicated that the initial population size created during a 5 year build-up phase greatly affected final population size at 25 years, being similar to the population size at the end of the build-up phase, especially when population growth rate was low. Excluding age 0 individuals, age 1 juveniles or recruits on average comprised approximately 11% and 15% of a stable population of each species, respectively. Age-class distribution of a stable or growing population was characterized by multiple cohorts, including juvenile recruits, sub-adults, and adults. Because of current barriers to dispersal and the low dispersal capability of some mussel species, reintroductions will play a prominent role in restoring populations in the United States.
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Reports & Documents
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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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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 by Species Group
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Prediction maps for each of the nine groups. These are potentially important both to predict areas where to find particular groups and to determine regions of overall high habitat quality where species richness is expected to be high.
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Classification and Mapping of Cave and Karst Resources
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Gallery: Cave and Karst 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
