CMAP |
Land Use Inventory |
2010 |
Comprehensive parcel-based Land Use Inventory, containing 59 different use classes for over 2.5 million parcels. |
University of Vermont and USDA Forest Service |
High-Resolution Land Cover (Urban Tree Canopy) |
2010 |
High-resolution land cover grid which utilizes a "top-down" mapping perspective in order to assess tree canopy. Currently only available for Cook County. |
USGS |
National Land Cover Database |
2011 |
Medium-resolution land cover grid systematically produced to allow land cover trend analysis. Also includes percent imperviousness and percent tree canopy. |
EPA |
National Hydrography Dataset "Plus" |
2012 |
Integrated hydrologic framework which incorporates the National Hydrography Dataset, the National Elevation Dataset, and the National Watershed Boundary Dataset. |
Ducks Unlimited and USFWS |
Enhanced National Wetland Inventory |
2005-2007 |
Draft version of updated 2005-2007 NWI data, whose previous vintage was the early 1980's. USFWS wetland classification codes are provided for each feature. |
USDA |
Cropland Data Layer |
2014 |
Medium-resolution land cover grid which includes crop-specific classification. |
USGS |
Protected Areas Database |
2012 |
Official protected land ownership dataset for the United States, which contains federal lands and slightly older versions of the next four datasets in this list. |
IDNR |
Nature Preserves, Land and Water Reserves, and Natural Heritage Landmarks |
2015 |
Location/extent of protected lands and waters within the Illinois Nature Preserves System. More… |
IDNR |
State-Owned Open Space |
2015 |
Location/extent of protected lands and waters managed by IDNR. |
National Conservation Easement Database |
National Conservation Easement Database |
2015 |
Location/extent of conservation easement lands, including permanent vs. temporary designation. |
USGS |
LANDFIRE database |
2012 |
Variety of vegetation characterization datasets developed primarily for fire behavior modeling. Potentially useful datasets include vegetation type/cover/height, forest canopy bulk density, and environmental site potential. |
IDNR |
Natural Areas Inventory |
2015 |
Location/extent of high-quality natural areas, including habitat suitable for state-listed threatened and endangered (T&E) species. More... |
IDNR |
Natural Heritage Database |
2015 |
Occurrence locations for state and federally-listed T&E species. |
IL Audubon Society |
Important Bird Areas |
2010 |
Location/extent of habitat for bird species of state conservation concern, as well as unique habitat types or congregatory sites. |
Morton Arboretum |
Oak Ecosystems |
1939/2010 |
Historic (1939) and current (2010) extents of oak ecosystems larger than one acre in size. More… |
County Forest Preserve and Conservation Districts |
Forest Preserves and Conservation District Lands
Download/Request: Cook, DuPage, Lake, Kane, Kendall, McHenry, Will
|
2014-2015 |
Location/extent of protected lands and waters managed by the County Forest Preserve Districts and the McHenry County Conservation District. |
IDNR |
Biologically Significant Streams |
2008 |
Stream segments with high species richness and/or biological integrity. More… |
INHS |
Landscapes of Ecological Importance |
2012 |
Ecological assessment of forests, grasslands, and wetlands based on criteria such as patch size, remoteness from roads, and soil characteristics. More… |
FEMA |
Digital Flood Insurance Rate Map (FIRM) floodplains |
Various |
Location/extent of FEMA 100 and 500 year floodplains. |
NRCS |
Gridded Soil Survey Data (SSURGO) |
2015 |
Gridded version of Soil Survey Geographic (SSURGO) Database. Includes 57 pre-summarized attributes such as soil organic carbon, root zone depth, and potential wetland soil landscapes. |
INHS |
Pre-settlement vegetation |
2002 |
Pre-settlement land cover mapped by PLSS surveyors from 1804 to 1843. |
Oregon State PRISM Climate Group |
Historic Monthly/Annual Temperature and Precipitation |
1895-2010 |
Gridded 30-year normals (AKA average conditions) for climate variables such as precipitation and min/max temperature. |
NCAR |
Projected Monthly/Annual Temperature and Precipitation |
2050-2099 |
Modeled temperature and precipitation conditions based on a subset of Intergovernmental Panel on Climate Change scenarios. |