The RESOURCE_POINT data set contains human-use or management resource data for aquaculture sites, artificial reef locations, recreational fishing sites, and water intakes in Lake Michigan. The RESOURCE_POLY data set contains data for Designated Critical Habitat and essential habitats in Lake Michigan. Location specific type and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. This data set comprises a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

This data set contains sensitive biological resource data for threatened and endangered plants in Lake Michigan. Vector polygons in this data set represent threatened and endangered plant distributions. Species specific abundance, seasonality, status, life history, and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. This data set comprises a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

This data set contains sensitive biological resource data for freshwater and terrestrial invertebrate species in Lake Michigan. Vector polygons in the INVERT data set represent invertebrate distribution. Vector lines in the INVERTL data set represent invertebrate distribution and concentration areas. Species specific abundance, seasonality, status, life history, and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. These data sets comprise a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

The polygonal BIRDS data set contains sensitive biological resource data for wading birds, shorebirds, waterfowl, raptors, diving birds, passerine birds, and gulls and terns in Lake Michigan. Vector polygons in this data set represent bird nesting, migratory staging, and wintering sites. The point BIRDSPT data set contains sensitive biological resource data for wading birds, diving birds, gulls and terns in Lake Michigan. Vector points in this data set represent bird nesting sites. Species specific abundance, seasonality, status, life history, and source information are stored in relational data tables designed to be used in conjunction with this spatial data layer. These data sets comprise a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

The HYDROL data set contains vector lines and the HYDROP dataset contains vector polygons, both representing coastal hydrography used in the creation of the Environmental Sensitivity Index (ESI) for Lake Michigan. These data sets comprise a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

This data set contains sensitive biological resource data for freshwater fish species in Lake Michigan. Vector polygons in the FISH data set represent fish distribution, concentration areas, and spawning areas. Vector points in the FISHPT data set represent fish spawning locations. Species specific abundance, seasonality, status, life history, and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. These data sets comprise a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

The SOCECON_POINT data set contains human-use or management resource data for abandoned vessels, airports, archaeological sites, beaches, heliports, and historical sites in Lake Michigan. The SOCECON_LINE data set contains data for pipelines (major crude oil, hydrocarbon gas liquid, natural gas, and petroleum) and railroads in Lake Michigan. Location specific type and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. This data set comprises a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

The NAV_MARINE_POINT data set contains human-use or management resource data for access locations, boat ramps, ferry terminals, dams, marinas, and ports in Lake Michigan. The NAV_MARINE_LINE data set contains human-use or management resource data for ferry routes in Lake Michigan. Vector points and lines in these data sets represent navigational/marine-recreational/maritime features. Location specific type and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. This data set comprises a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

The ESIL data set contains vector lines representing the ESI classified shoreline of Lake Michigan and the ESIP data set contains vector polygons representing the coastal habitats of Lake Michigan, both classified according to the Environmental Sensitivity Index (ESI) classification system. These data sets comprise a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

This data set contains sensitive biological resource data for submerged aquatic vegetation (SAV) in Lake Michigan. Vector polygons in this data set represent SAV. Species specific abundance, seasonality, status, life history, and source information are stored in relational data tables (described below) designed to be used in conjunction with this spatial data layer. This data set comprises a portion of the ESI data for Lake Michigan. ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil. The ESI data include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.