Data Management Plan (Deprecated)

These feature classes reside within the SOCECON Feature Data Set of the Great Lakes - Straits of Mackinac 2019 ESI geodatabase. They contain vector polygons and points representing resource management human-use data for Great Lakes - Straits of Mackinac study area. The study area includes the Straits of Mackinac, nearby portions of Lake Michigan and Lake Huron, and adjacent lands and waters in northern Michigan.

These data sets contain information about the following resources: POINTS - artificial reefs, invasive species, mine sites, recreational fishing locations, repeated measurement sites, subsistence, and water intakes; POLYGONS - critical habitats, essential habitats, and fishery management areas.

Object specific Type and Source information are stored in the related data tables, SOC_DAT and SOURCES (described below). These are stand-alone tables within the Geodatabase, designed to be used in conjunction with these spatial data layers.

This data set is a portion of the ESI data for Great Lakes Straits of Mackinac study area. As a whole, the ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil, and include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

Bounding box for the Straits of Mackinac area of interest in northern Michigan.

Lineage Statement:
Sources and Process Steps cited below in this metadata record include those used for two distinct areas of the Great Lakes: the Straits of Mackinac in northern Michigan, and the St. Clair / Detroit River System in southeastern Michigan. This is because these two study areas were initially combined into a single ArcGIS geodatabase, before being separated for publication. Some sources may pertain to both study areas, while others may pertain to one study area and not the other. As a final procedural step to prepare the geodatabases for publication, the spatial data data corresponding to each respective area were clipped in ArcGIS according to the two distinct geographic study areas.

Process Steps:

• 2019-09-23 00:00:00 - Information on resource management features within the GL_Mackinac_StClair_Detroit_River 2019 ESI study region were acquired from multiple sources. Resource management features represented as points include: artificial reefs (AR), invasive species (INVS), mine sites (M2), recreational fishing locations (RF), repeated measurement sites (RMS), subsistence (S), and water intakes (WI). Features represented as polygons include critical habitats (CH), essential habitats (EH), and fishery management areas (FA).
• 2019-09-23 00:00:00 - These data were developed as RESOURCE_POINT and RESOURCE_POLY feature classes within the GL_Mackinac_StClair_Detroit_River 2019 ESI, following ESI Guidelines. Additional data are contained in the joined table SOC_DAT using HUNUM as a unique ID, and in SOURCES using SOURCE_ID as a unique ID. Depending on the type of source data, three general approaches are used for compiling the data layer: 1) information gathered during initial interviews and from hardcopy sources are compiled onto U.S. Geological Survey 1:50,000 topographic quadrangles and digitized; 2) hardcopy maps are digitized at their source scale; 3) digital data layers are evaluated and used "as is" or integrated with the hardcopy data sources. See the Lineage section for additional information on the type of source data for this data layer. The ESI, biology, and human-use data are compiled into the standard ESI digital data format. A second set of interviews with participating resource experts are conducted to review the compiled data. If necessary, edits to the RESOURCE_POINT or RESOURCE_POLY data layers are made based on the recommendations of the resource experts, and final hardcopy maps and digital data are created.
• 2019-09-23 00:00:00 - The main data sources that were used to depict human-use resources for the RESOURCE_POINT data layer were: 1) the Great Lakes Aquatic Habitat Framework (GLAHF) 2) Michigan Department of Environmental Quality (MIDEQ) 3) personal interviews with resources experts from the Michigan Department of Natural Resources (MIDNR) 3) NOAA National Centers for Coastal Ocean Science (NCCOS) 4) NOAA National Data Buoy Center (NDBC) 5) U.S. Geological Survey (USGS) 5) the Nonindigenous Aquatic Species (NAS) database and 6) NOAA Great Lakes Aquatic Nonindigenous Species Information System (GLANSIS). All data provided were in digital vector point datasets.
• 2019-09-23 00:00:00 - Three main sources that were used to depict human-use resources for the RESOURCE_POLY data layer were: 1) personal interviews with resource experts from both the Michigan Department of Natural Resources (MIDNR) and the Michigan Natural Features Inventory (MNFI) 2) the U.S. Fish and Wildlife Service (USFWS). All data provided were digital vector polygon datasets.
• 2019-09-30 00:00:00 - Sources and Process Steps cited above in this metadata record include those used for two distinct areas of the Great Lakes: the Straits of Mackinac in northern Michigan, and the St. Clair / Detroit River System in southeastern Michigan. This is because these two study areas were initially combined into a single ArcGIS geodatabase, before being separated for publication. Some sources may pertain to both study areas, while others may pertain to one study area and not the other. As a final procedural step to prepare the geodatabases for publication, the spatial data data corresponding to each respective area were clipped in ArcGIS according to the two distinct geographic study areas.

Data can be accessed by downloading the zipped ArcGIS geodatabase from the Download URL (see Distribution Information). Questions can be directed to the ESI Program Manager (Point Of Contact).