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The Southeast Conservation Blueprint is a map of important areas for conservation and restoration across the Southeast and Caribbean. The Blueprint is the primary product of the Southeast Conservation Adaptation Strategy (SECAS). Through SECAS, diverse partners are working together to design and achieve a connected network of lands and waters that supports thriving fish and wildlife populations and improved quality of life for people.
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This cultural resource indicator prioritizes places to create new parks that would fill gaps in equitable access to open space within socially vulnerable communities. It identifies areas where residents currently lack access to parks within a 10-minute walk (accounting for walkable road networks and access barriers like highways and fences), then prioritizes based on park need using demographic and environmental metrics. This indicator originates from the Trust for Public Land’s ParkServe park priority areas.Reason for SelectionProtected natural areas help foster a conservation ethic by providing opportunities for people to connect with nature, and also support ecosystem services like offsetting heat island effects...
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This indicator prioritizes areas for new land protection within the Mississippi Alluvial Valley (MAV) based on benefits to forest breeding birds that depend on large interior cores of bottomland hardwood habitat (Swainson’s warbler, cerulean warbler, swallow-tailed kite). The model considers core size, the amount of existing protected land within the forest patch, proximity to reforestation priority areas, and risk of conversion to agriculture based on flooding frequency. The highest scores represent drier, unprotected forest patches with cores at least 2,000 ha (~5,000 ac) that are adjacent to priority areas from a complementary reforestation model also developed by the Lower Mississippi Valley Joint Venture (LMVJV)....
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This .zip folder contains final ancillary data layers used to create Southeast Conservation Blueprint 2022 that were not included in the main data download package.
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This indicator measures known and predicted suitable locations of hardbottom habitat and deep-sea corals. It combines multiple datasets from the National Oceanic and Atmospheric Administration and The Nature Conservancy.Reason for SelectionHardbottom provides an anchor for important seafloor habitats such as deep-sea corals, plants, and sponges. Many deep-sea corals form tree-like shapes and complex reefs that provide valuable habitat structure. Hardbottom and associated deep-sea coral communities support a wide range of invertebrate and fish species (NOAA 2018).Input Data South Atlantic Blueprint 2021 extent National Oceanic and Atmospheric Administration (NOAA) U.S. Northeast/Mid-Atlantic Deep-Sea Coral Habitat...
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The South Atlantic Conservation Blueprint is a living spatial plan to conserve natural and cultural resources for future generations. It identifies shared conservation priorities across the South Atlantic region.Blueprint 2021, released in August 2021, is a totally data-driven plan based on terrestrial, freshwater, marine, and cross-ecosystem indicators. It uses the current condition of those indicators to prioritize the most important areas for natural and cultural resources across the South Atlantic geography. Through a connectivity analysis, the Blueprint also identifies corridors that link coastal and inland areas and span climate gradients. The Blueprint reflects extensive feedback from the broader cooperative...
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The Blueprint 2021 Data Download is a .zip file containing all of the spatial data associated with South Atlantic Blueprint 2021.
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This indicator represents the size of large, unfragmented patches of natural habitat. It identifies minimally disturbed natural areas at least 100 acres in size and greater than 200 meters wide. This indicator originates from Esri’s green infrastructure data.Reason for SelectionLarge areas of intact natural habitat are favorable for conservation of numerous species, including reptiles and amphibians, birds, and large mammals. The Esri Green Infrastructure data covers the entire United States and has been used in other broad-scale conservation planning efforts, so using this existing data helps align the Blueprint with other conservation efforts and reduce duplication of effort. We chose to use “Core Size (acres)”...
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This indicator measures the number of aquatic animal Species of Greatest Conservation Need (SGCN) observed within each 12-digit HUC subwatershed, including fish, mussels, snails, crayfish, and amphibians. SGCN are identified in State Wildlife Action Plans as most in need of conservation action. This indicator originates from state Natural Heritage Program data collected by the Southeast Aquatic Resources Partnership and applies to the Environmental Protection Agency’s estimated floodplain, which spatially defines areas estimated to be inundated by a 100-year flood, also known as the 1% annual chance flood.Reason for SelectionThis indicator identifies areas with abundant rare and endemic aquatic species that would...
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This indicator is a continuous index of highly productive areas for birds that feed exclusively or mainly at sea. It uses seasonal predictions of relative abundance for seventeen species of marine birds (Audubon’s shearwater, white-winged scoter, black scoter, horned grebe, band-rumped storm-petrel, Bermuda petrel, Manx shearwater, black-capped petrel, Northern gannet, Bonaparte’s gull. common loon, red-throated loon, Cory’s shearwater, royal tern, great shearwater, sooty shearwater, common tern). This indicator originates from Marine-life Data and Analysis Team marine bird models.Reason for SelectionMarine birds help identify key areas of ocean productivity and overall ocean health. Seabirds are often considered...
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This indicator represents the presence of seagrass in the Atlantic Ocean and Gulf of Mexico. It originates from the National Oceanic and Atmospheric Administration’s Marine Cadastre.Reason for SelectionSeagrasses provide food and habitat for a range of marine and estuarine wildlife, including fish, sea turtles, shrimp, crabs, oysters, and more. They also produce oxygen, filter water, control erosion, and buffer storms. Seagrasses serve as an important indicator of the overall health of coastal ecosystems because they are sensitive to water quality and require sufficiently clear water for sunlight to penetrate (NPS 2021, NOAA 2021, NWF 2021).Input Data Base Blueprint 2022 extent Base Blueprint 2022 subregions Seagrasses...
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This indicator represents Priority Amphibian and Reptile Conservation Areas (PARCAs) in the South Atlantic. PARCA is an expert-driven, nonregulatory designation that includes places capable of supporting viable amphibian and reptile populations, places occupied by rare or imperiled species, and places rich in biodiversity or species unique to that geographic area (i.e., endemism).Reason for SelectionThe Southeast United States is a global biodiversity hotspot that supports many rare and endemic reptile and amphibian species (Barrett et al. 2014, EPA 2014). These species are experiencing dramatic population declines driven by habitat loss, pollution, invasive species, and disease (Sutherland and deMaynadier 2012,...
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This indicator combines measures of water quality, sediment quality, contaminants in fish tissue, and benthic community condition to create an overall index of coastal estuarine condition. It originates from the Environmental Protection Agency’s National Coastal Condition Assessment data.Reason for SelectionThis index measures the condition of the nation’s estuaries following standard national methodologies and is synthesized by the U.S. Environmental Protection Agency (EPA) roughly every five years. Estuaries serve as important nursery habitat for wildlife, including many species of fish and shellfish eaten as seafood. They also improve water quality by filtering out sediments and pollutants, provide recreational...
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This layer depicts the mosaiced, rebalanced Zonation results for each subregion in Base Blueprint 2022.OVERALL APPROACHThe Base Blueprint indicators (available on the Blueprint page of the SECAS Atlas) were modeled at a 30 m resolution, tested and reviewed, and used as inputs to identify priority areas for a connected network of lands and waters. To aid in the modeling process, we first removed highly altered areas, like most developed areas, as well as reservoirs. Generally, these areas would not be prioritized in the Blueprint anyway.The indicators then served as inputs into Zonation, a conservation planning framework and software program that produces a hierarchical prioritization of the landscape. We ran Zonation...
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This indicator uses remote sensing to estimate the number of times an area has been burned from 2013 to 2021. It combines burned area layers from both U.S. Geological Survey Landsat data and the inter-agency Monitoring Trends in Burn Severity program. Landsat-based fire predictions within the range of longleaf pine are also available through Southeast FireMap.Reason for SelectionMany Southeastern ecosystems rely on regular, low-intensity fires to maintain habitat, encourage native plant growth, and reduce wildfire risk. Historically in the South, “fires burned as often as once a year or more in Coastal Plain pine systems or as infrequently as every 50 years or more on north-facing or cove sites in the mountains”,...
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This layer represents the spatial extent of Base Blueprint 2022. It reflects the exterior boundary of the Base Blueprint 2022 subregions.Code used to create this layer is available in the Southeast Blueprint 2022 Data Download under BlueprintInputs > BaseBlueprint2022 > 6_Code. The final step of the code used to create the subregions exports the extent layer.
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This cultural resource indicator measures the size of parks larger than 5 acres in the urban environment.Reason for SelectionProtected natural areas in urban environments provide urban residents a nearby place to connect with nature and offer refugia for some species. This complements the equitable access to potential parks indicator by capturing the value of existing parks.Input Data Base Blueprint 2022 extent Protected Areas Database of the United States (PAD-US) 2.1 Combined Fee Easement 2010 Census Urban Area National 2019 National Land Cover Database (NLCD): Percent developed imperviousnessMapping Steps Remove from PAD US 2.1 all School Trust Lands in Oklahoma and Mississippi (Loc Des = “School Lands” or “School...
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This indicator depicts the number of different stream size classes in a river network not separated by dams or waterfalls. It originates from the Southeast Aquatic Resources Partnership and applies to the Environmental Protection Agency’s estimated floodplain, which spatially defines areas estimated to be inundated by a 100-year flood, also known as the 1% annual chance flood.Reason for SelectionRiver networks with a variety of connected stream size classes are more likely to have a wide range of available habitat to support a greater number of species. This will help retain aquatic biodiversity in a changing climate by allowing species to access climate refugia and move between habitats.Input Data Base Blueprint...
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The changelog is a document tracking what has changed with each version of the Southeast Blueprint.
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The Blueprint uses a least-cost path connectivity analysis to identify connections between priority areas. A program called LinkageMapper defines corridors that link hubs across the shortest distance possible, while also routing through as much Blueprint priority as possible. Inland corridors connect large patches of highest priority Blueprint areas and/or protected lands, within broad areas of established conservation interest for connectivity. Marine and estuarine corridors connect large estuaries and/or large patches of highest priority Blueprint areas, within broad marine mammal movement areas.Inland Hubs & CorridorsInland Resistance RasterThis is the resistance raster or cost surface used in the Linkage Mapper-based...
map background search result map search result map Southeast Blueprint v4.0 Southeast Blueprint Changelog Blueprint 2021 Data Download South Atlantic Conservation Blueprint Version 2021 Hubs & Corridors 2021 Base Blueprint Extent Equitable Access to Potential Parks Fire Frequency Intact Habitat Cores Mississippi Alluvial Valley Forest Birds - Protection South Atlantic Amphibian & Reptile Areas Urban Park Size Imperiled Aquatic Species Network Complexity Estuarine Coastal Condition Seagrasses South Atlantic Hardbottom & Deep-Sea Coral South Atlantic Marine Birds Combined Zonation Results Southeast Blueprint 2022 Ancillary Data Download Blueprint 2021 Data Download South Atlantic Conservation Blueprint Version 2021 Hubs & Corridors 2021 Base Blueprint Extent Equitable Access to Potential Parks Fire Frequency Intact Habitat Cores Mississippi Alluvial Valley Forest Birds - Protection South Atlantic Amphibian & Reptile Areas Urban Park Size Imperiled Aquatic Species Network Complexity Estuarine Coastal Condition Seagrasses South Atlantic Hardbottom & Deep-Sea Coral South Atlantic Marine Birds Combined Zonation Results Southeast Blueprint v4.0 Southeast Blueprint Changelog Southeast Blueprint 2022 Ancillary Data Download