20260330 13441700 1.0 FGDC CSDGM Metadata FALSE mn_potentially_undisturbed_lands 201067.516600 351145.160300 4818176.248400 5055204.394500 1 002 0.000 Projected GCS_North_American_1983 Linear Unit: Meter (1.000000) NAD_1983_UTM_Zone_15N <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.1'><WKT>PROJCS[&quot;NAD_1983_UTM_Zone_15N&quot;,GEOGCS[&quot;GCS_North_American_1983&quot;,DATUM[&quot;D_North_American_1983&quot;,SPHEROID[&quot;GRS_1980&quot;,6378137.0,298.257222101]],PRIMEM[&quot;Greenwich&quot;,0.0],UNIT[&quot;Degree&quot;,0.0174532925199433]],PROJECTION[&quot;Transverse_Mercator&quot;],PARAMETER[&quot;False_Easting&quot;,500000.0],PARAMETER[&quot;False_Northing&quot;,0.0],PARAMETER[&quot;Central_Meridian&quot;,-93.0],PARAMETER[&quot;Scale_Factor&quot;,0.9996],PARAMETER[&quot;Latitude_Of_Origin&quot;,0.0],UNIT[&quot;Meter&quot;,1.0],AUTHORITY[&quot;EPSG&quot;,26915]]</WKT><XOrigin>-5120900</XOrigin><YOrigin>-9998100</YOrigin><XYScale>10000</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>26915</WKID><LatestWKID>26915</LatestWKID></ProjectedCoordinateSystem> 20151113 14373500 20151113 14373500 FGDC 625000 5000 Benjamin Carlson South Dakota State University Extension Senior Mapping Technician 1910 W. Kemp. Ave. Watertown SD 57201 benjamin.carlson@sdstate.edu US (605) 882-5140 (605) 882-5145 Benjamin Carlson South Dakota State University 1910 W. Kemp Ave. Watertown South Dakota 57201 pete.bauman@sdstate.edu US (605) 882-5140 (605) 882-5145 Pete Bauman South Dakota State University Extension Pete Bauman Extension Range Specialist 13.6 MN Undisturbed Lands File GeoDatabase Feature Class ArcGIS 10.2 ESRI Geodatabase ZIP polygon features, attributes, and metadata For dataset access, updates, or information, contact Pete Bauman, SDSU Extension. File Geodatabase Feature Class 0.000 Based on: Common Land Unit data provided by the Farm Service Agency of Minnesota; National Agriculture Imagery Program and Digitial Ortho County Mosaic aerial photographs provided by the Aerial Phototagraphy Field Office (FSA); various habitat type, land cover, and land use layers provided by the US Fish and Wildlife Service offices in Morris, Odessa, and Windom, MN, the Minnesota Department of Natural Resources, and The Nature Conservancy MN/SD/ND chapter. Data interpretation and digitization performed by Benjamin Carlson and Tanner Butler, SDSU Extension, Watertown, SD. This dataset is freely distributable for noncommercial purposes with inclusion of citation and full metada. South Dakota State University Extension 1910 W. Kemp Ave. Watertown South Dakota 57201 pete.bauman@sdstate.edu US (605) 882-5140 (605) 882-5145 Pete Bauman Benjamin Carlson South Dakota State University Extension Senior Mapping Technician 1910 W. Kemp. Ave. Watertown SD 57201 benjamin.carlson@sdstate.edu US (605) 882-5140 (605) 882-5145 Tanner Butler South Dakota State University Extension Mapping Technician 1910 W. Kemp Ave. Watertown SD 57201 tanner.butler@sdstate.edu US (605) 882-5140 (605) 882-5145 2015-06-30T00:00:00 2015-08-27T00:00:00 First 20150827 vector digital data Potentially Undisturbed Lands in Southwestern Minnesota mn_pudl Pete Bauman South Dakota State University Extension Range Field Specialist 1910 W. Kemp Ave. Watertown South Dakota 57201 pete.bauman@sdstate.edu US (605) 882-5140 (605) 882-5145 Pete Bauman Pete Bauman Pete Bauman South Dakota State University Extension Range Field Specialist 1910 W. Kemp Ave. Watertown South Dakota 57201 pete.bauman@sdstate.edu US (605) 882-5140 (605) 882-5145 Pete Bauman Pete Bauman Updated versions of this dataset will be issued to depict new disturbance when new NAIP Aerial Photography is published in subsequent three-year intervals. Future updated versions of this dataset will also correct misclassified undisturbed lands that are shown to have a disturbance history through the use of on-the-ground surveys and/or further refining or corrected source data. Northern Tallgrass Prairie, Prairie Coteau, Lac qui Parle, Southwestern Minnesota, Minnesota River Valley, Big Stone County, Lac qui Parle County, Swift County, Chippewa County, Yellow Medicine County, Lincoln County, Lyon County, Redwood County, Cottonwood County, Murray County, Pipestone County, Rock County, Nobles County, Jackson County, Minnesota Undisturbed, Native, Prairie, Woodland, Pasture, Wetlands, Common Land Unit, Watershed Time Period of Content date indicates the date which the user can be confident of accuracy and completeness of the dataset. The data are current to the collection of Common Land Unit data by the Minnesota Farm Service Agency through the 2013 growing season. 2013-09-06T00:00:00 <DIV STYLE="text-align:Left;"><DIV><DIV><DIV STYLE="font-size:12pt"><P><SPAN>This data is intended for informational, statistical, research, and reference uses, and will be periodically refined. It is recommended that any regulatory, land protection, restoration, or conservation activities using this data confirm findings with on-the-ground surveys and/or further refining data source(s).</SPAN></P></DIV></DIV></DIV></DIV> This dataset and its metadata are freely distributable for noncommercial purposes with inclusion of citation and full metadata. It is recommended that the most recent version of this dataset be used at all times. Although these data have been processed successfully on a computer system at the South Dakota State University Extension, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions or intended use. South Dakota State University shall not be held liable for improper or incorrect use of the data described and/or contained herein. 8000 Quantifying Undisturbed Land in South Dakota and Southwestern Minnesota SD & MN Potentially Undisturbed Lands Project Pete Bauman South Dakota State University Extension Range Field Specialist 1910 W. Kemp Ave. Watertown South Dakota 57201 pete.bauman@sdstate.edu US (605) 882-5140 (605) 882-5145 Pete Bauman Pete Bauman vector digital data 2014-09-26T00:00:00 This dataset is part of a larger project that seeks to quantify all potentially undisturbed (native) land in South Dakota and Southwestern Minnesota. The Minnesota portion of this project focuses on two primary project areas: 1) the Prairie Coteau Landscape as defined by subsections of the Minnesota Ecological Classification System (which coincides with the landscape boundary utlized by The Nature Conservancy's Prairie Coteau Business Plan submitted to NFWF [2010]), which was buffered to five miles or more; 2) the entire four counties surrounding the Lac qui Parle Valley (the Minnesota River Valley above Granite Falls, MN). The Potentially Undisturbed Lands layer stems from a project employing large scale analyses of land use history across South Dakota and Southwestern Minnesota. Understanding the quantity of undisturbed grasslands and woodlands in this region is useful for assessing and informing land use conversion rates, habitat quality, soil and water quality and impacts on watersheds, land conservation and protection priority areas, and individual land management practices, amongst other things. Previous attempts at quantifying undisturbed or native lands are inadequate for one of two reasons. 1) They employ statistical assessment methods at a small scale, which may provide valid information at a landscape or regional level, but are not scaleable to individual tracts of land. 2) They are based on assessments of native ground that occur on individual sites using ground surveys and other such tools, which are highly accurate for the sites surveyed, but may not cover all sites in an area, especially if undisturbed land is highly degraded or fragmented, thus they are not effectively scaleable to a landscape or region. The Potentially Undisturbed Lands project seeks to address both of these deficiencies by employing a landscape-wide deductive analysis approach at a scale resolution adequate for mapping individual tracts of land that show no apparent signs of prior or current disturbance. <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The Potentially Undisturbed Lands layer contains polygons representing undisturbed land mapped at a scale of 1:8000 or greater over the entire Prairie Coteau and Lac qui Parle landscapes in Southwestern Minnesota. The project extent is defined by the layer: mn_pudl_cntyextent. Each polygon is classified as either undisturbed grassland or undisturbed woodland according to a rigorous, repeatable, systematic protocol.</SPAN></P></DIV></DIV></DIV> Quantifying Undisturbed Land on South Dakota's Prairie Coteau 2014-06-30T00:00:00 South Dakota State University 1910 W. Kemp Ave. Watertown South Dakota 57201 pete.bauman@sdstate.edu US (605) 882-5140 (605) 882-5145 Pete Bauman South Dakota State University Extension Pete Bauman Extension Range Specialist Pete Bauman Esri ArcGIS 10.2.2.3552 1 -96.832146 -94.841287 45.634421 43.456784 This metadata was created in ArcGIS metadata editor in the FGDC metadata style, while following the Minnesota Geographic Metadata Guidelines, version 1.2. http://www.mngeo.state.mn.us/committee/standards/mgmg/metadata.htm 4800 Common Land Unit data for the 2013 growing season collected by the USDA Farm Service Agency were used to assess past and current cropping history. Coding for cropland indicator fields were used to prove current and historical disturbance on individual tracts and fields in the project area. 2013 Common Land Unit Data for Minnesota clu_a_MN_13 2013-10-01T00:00:00 Minnesota Farm Service Agency Farm Service Agency of Minnesota 375 Jackson Street, Suite 400 St. Paul MN 55101 US jeff.bloomquist@mn.usda.gov 651 602 7700 855 719 9917 Jeff Bloomquist GIS Coordinator vector digital data FSA Common Land Unit Data is non-distributable and used under agreement with the USDA. Temporal Extent gives time period during which records in the CLU dataset were created and maintained. 1998-08-18T00:00:00 2013-09-06T00:00:00 Aerial Imagery from the National Agriculture Imagery Program for the 2013 growing season was utilized to assess current tillage not identified by the Common Land Unit data, as well as other types of disturbances visibly apparent. Individual Mosaicked County Images were used for each county in the project area. USDA-FSA-APFO NAIP Digital Ortho MrSID Mosaic NAIP Aerial Imagery 2013-10-23T00:00:00 https://gdg.sc.egov.usda.gov/GDGHome.aspx raster digital data Aerial Photography Field Office 2222 W. 2300 South Salt Lake City Utah 84119-2020 apfo.sales@slc.usda.gov US 801-844-2922 801-956-3653 Aerial Photography Field Office Temporal Extent gives dates of collection for aerial photo sources. 2013-07-10T00:00:00 2013-07-28T00:00:00 12000 Aerial Imagery from the Aerial Photography Field Office from 1990's USGS DOQQ's were utilized to assess tillage not identified by the Common Land Unit Data, as well as other types of disturbances visibly apparent. Individual Mosaicked County Images were used for each county in the project area. USDA-FSA-APFO Digital Ortho MrSID Mosaic DOQQ County Mosaic Aerial Imagery https://gdg.sc.egov.usda.gov/GDGHome.aspx 1999-01-01T00:00:00 Aerial Photography Field Office 2222 W. 2300 South Salt Lake City Utah 84119-2020 apfo.sales@slc.usda.gov US 801-844-2922 801-956-3653 Aerial Photography Field Office Aerial Photography Field Office raster digital data Temporal Extent gives dates of collection for aerial photo sources. 1988-01-01T00:00:00 1998-12-31T00:00:00 12000 Public Waters Basin Delineations, from the MN DNR were used to define water bodies greater than 40 acres within the project area. MN DNR Public Waters Basin Delineations 2008-07-31T00:00:00 http://gisdata.mn.gov/dataset/water-mn-public-waters vector digital data Division of Ecological and Water Resources Minnesota Department of Natural Resources public_waters_basin_delineations Date which the user can be confident of accuracy and completeness of the dataset. 2014-12-25T00:00:00 USGS topographic map county mosaics from the National Geospatial Center of Excellence were utilized to determine some types of land disturbance not otherwise visibly apparent, such as abandoned gravel pits and farmsteads. Individual Mosaicked County Digital Raster Graphics were used for each county in the project area. 24000 Digital Raster Graphic County Mosaic Topographic Maps USGS DRG Topographic Images 1999-01-01T00:00:00 This data consists of county mosaicked images of USGS 1:24,000 topographic quadrangle maps. National Geospatial Center of Excellence USDA Natural Resource Conservation Service 501 W. Felix St, Bldg 23 Fort Worth TX 76115 US raster digital data Time period of topographic map creation. 1939-01-01T00:00:00 2001-12-31T00:00:00 An extent polygon was created using county and PLSS section lines to define the project area boundaries. 100000 MN Potential Undisturbed Lands Project Area County Extents mn_pudl_cntyextent 2015-06-30T00:00:00 Polygon was created using TIGER county boundaries & PLSS section lines, then manually updated to match Common Land Unit parcel boundaries and orthophotos in certain places. vector digital data Benjamin Carlson South Dakota State University Extension Senior Mapping Technician 1910 W. Kemp. Ave. Watertown SD 57201 benjamin.carlson@sdstate.edu US (605) 882-5140 (605) 882-5145 Benjamin Carlson The date when the project area outline was finalized. 2015-06-11T00:00:00 For the purposes of this project, the Prairie Coteau landscape boundary was defined by the Prairie Coteau subsections of the Minnesota Ecological Classification System. This area coincides exactly with the boundary utilized by the Nature Conservancy to define the Minnesota portion of the Prairie Coteau in the Prairie Coteau Business Plan submitted to the National Fish and Wildlife Foundation (2010). Ecological Subsections of Minnesota 1999-06-01T00:00:00 vector digital data ecs_subsections_of_mn http://gisdata.mn.gov/dataset/geos-ecological-class-system Division of Forestry Minnesota Department of Natural Resources Division of Ecological and Water Resources Temporal Period Extent gives years data was originally created as part of the Land Type Associations process, Temporal Instant Extent gives date data was published. 1999-06-01T00:00:00 1997-01-01T00:00:00 1998-12-31T00:00:00 100000 In order to identify potentially undisturbed land, a deductive analysis process is carried out. Through this process, a parcel of land may be removed from consideration if there exists any indicators that it has been disturbed, while any parcels that have no clear proof of disturbance are classified as potentially undisturbed. Mapping technicians, working at a scale of 1:8000, analyze base layers including 2013 NAIP Aerial Imagery and 2013 Common Land Unit Data. The CLU data is symbolized to show which fields have a cropping or tillage history indicator. Parcels without this indicator are further analyzed with the NAIP Aerial Imagery to determine if there are any other visually apparent signs of disturbance, viz: tillage or cropping that was not recorded with the Farm Service Agency, gravel pits and other industrial disturbance, housing developments and other residential disturbance, cities and towns, roadways and railways, farm sites, and planted trees for windbreaks or soil/water conservation. Any land that contains none of these disturbance indicators is classified as undisturbed and digitized using ArcMap editing functions with snapping enabled. A scale of 1:8000 was utilized in order to view an entire section (one square mile) of land when projected on-screen. Mapping at larger scales, up to ten times greater (1:800), was allowed when a smaller scale prohibited snapping or interpretation of source data. CLU data was established in 1998 but contains land use data stretching back to the beginning of the Soil Bank program in 1956, and likely even earlier. Two different fields in the CLU dataset may contain indicators that a field has been cropland: the CLU Classification Code and the 3-CM Cropland Indicator. However, the latter cropland indicator is the focus of this project as it is designed to record any past cropping history, whereas the former indicator is designed to indicate only the most recently recorded land use. Since the 3-CM Cropland Indicator is intended to track cropland for eligibility in FSA programs, this indicator may change from cropped to non-cropped in certain instances where the tract is permanently taken out of possible future production. This may include residential, industrial, or farm site expansion, as well as permanent protection for wildlife habitat in the case of public hunting lands and certain conservation easements. 2013 was chosen as the static temporal extent since this is the most recent year, at time of data creation, when CLU and NAIP Aerial Imagery data coincides. Available NAIP Aerial Imagery ranging from 2003-2010 was not considered in this mapping process because it was assumed that any disturbance visibly apparent in those years would be cumulatively still apparent in the most recent imagery. In isolated cases, such as TNC's Red Rock Prairie Preserve in Cottonwood County, MN, tillage occurring in 2003-04 but subsequently restored to grassland was no longer apparent in 2013 as disturbed. Overall, such cases were deemed insignificant or correctable with additional data. However, future refinement of this dataset may take these other imagery years into account. 2015-02-02T08:00:00 clu_a_MN_13 NAIP Aerial Photography mn_pudl Potentially undisturbed land polygons created by mapping technicians are differentiated using split polygon, autocomplete polygon, or basic editing tools in order to classify potentially undisturbed land as either undisturbed grassland or undisturbed woodland. This classification is carried out using 2013 aerial imagery in order to identify closed-canopy woodlands. Any tract appearing to be an oak savanna or eastern hardwood remnant forest with a visible canopy cover greater than 25% is classified as undisturbed woodland. Classification of potentially undisturbed woodland is intended to capture remnant oak savanna and eastern hardwood forests, which typically occur in wooded ravines, glacial hills, and river valleys, as well as along lake shores and other watercourses. In the Northeastern portion of Swift County, native pastures invaded by Eastern Redcedar are also classified as undisturbed woodland. Trees planted for soil/water/habitat conservation or as farm shelterbelts and groves are not mapped as undisturbed. Often, trees growing in and around small wetlands are classified as undisturbed woodlands, which may include willow brush or cottonwood stands. Sometimes, it is difficult to discern whether or not trees classified as potentially undisturbed woodland are planted or natural, especially in the case of farmsteads adjacent to wooded riparian areas or old tree claim plantings near wetlands with no adjacent farmstead. Since no measurements were taken on actual canopy cover, the commission and omission of woodlands is often a subjective judgment made by the mapping technician. The mapping of the woodland-grassland classification may have a precision of +/- 2.2 - 22.5 meters, depending on which scale it was mapped at, which is acceptable due to the oftentimes ecotonal nature of these areas. 2015-02-02T12:00:00 NAIP Aerial Imagery mn_pudl Further refinement of potentially undisturbed land polygons is achieve by cross-referencing with historical USGS DOQQ county mosaic aerial imagery from the early 1990's, as well as county mosaic Digital Raster Graphic USGS topographic maps. In this manner, mapping technicians may identify tillage that is not recorded by the CLU cropland indicators, for reasons described above, and that no longer shows up in current aerial imagery. Additionally, old gravel pits and abandoned farmsteads may be more apparent when analyzing older aerial photography and topographic maps. Questionable land use patterns and/or signs of disturbance may be further investigated by referring to web map services. 2015-02-04T00:00:00 USGS DRG Topographic Images DOQQ County Mosaic Aerial Imagery mn_pudl Web map services (ie. higher resolution imagery or a LiDAR hill shade layer) may provide information of a different type or more detail than what is available as stand-alone or georeferenced GIS layers. If not georeferenced, these sources are used only in an informational manner, not to create geometry. Agency-specific data was obtained from the US Fish & Wildlife Service, MN Department of Natural Resources, and The Nature Conservancy in order to assess land use history and disturbance on lands owned and/or managed by these entities. Each dataset is symbolized to indicate the type of vegetation cover and/or land management activity. Generally, land categories are classified as either disturbed or undisturbed/ambiguous. The disturbed category includes such classes as: cropland, food plots, planted/seeded/restored grass, cultivated/planted trees & shrubs, artificial/impervious surfaces, roadways/railways, exposed earth, gravel/sand pits, quarries, close grown/cultivated vegetation, developed areas, old fields, and campgrounds/golf courses/historic areas/picnic areas/etc. Undisturbed and otherwise ambiguous classes include: native/remnant grasslands/prairies, natural plant communities, forests/woodlands/shrublands, open/non-developed, unclassified, wetlands, young forests, hayfields, pastures, introduced grass, and non-native dominated grasslands/wetlands. It is important to note that many of these ambiguous classes are classified as undisturbed unless aerial photography or CLU data confirms disturbance. When data indicates disturbance, mapping technicians use cut and reshape polygon tools to remove tracts with confirmed disturbance from the undisturbed lands layer. Lands categorized as restored grass are assumed to have been formerly cropped or otherwise disturbed, unless attribute data indicated otherwise. Generally, a distinction is made between restored and enhanced grasslands, the latter of which could be classified as undisturbed. Using this data is necessary because CLU data is treated differently with lands that are permanently protected by a public or non-profit conservation entity, or through conservation easements (collectively referred to as 'conservation lands'). Sometimes CLU data does not exist for these conservation lands, or the cropland indicator for a field in a tract of conservation land may change from cropped to non-cropped. The former case may occur if the tract was never enrolled in an FSA program before becoming a conservation land, or else if it was removed from the CLU record altogether when it was protected. The latter case may occur when a field is permanently protected and removed from possible future cropland production, as is the case with some conservation easement parcels. It is important to note that permanently protected lands are inconsistently represented in CLU records overall. Some conservation lands have partial or complete CLU records that coincide with the land cover/land use data. Other times, CLU records exist for conservation lands and refine the land cover/land use data. More often, there is no CLU record for these lands and other data must be used entirely. This variability seems to vary by county FSA office and even between individual conservation lands within the same area. It is also important to note that private land conservation easements held by the US Fish and Wildlife Service and the MN Board of Water and Soil Resources are often changed from cropped to non-cropped by FSA offices if the easement restricts future tillage. Some land use history data does exist for FWS easements, but is overall very incomplete, and CLU data for FWS and BWSR easement lands are usually inconsistent. Thus many FWS and BWSR grassland easements may be incorrectly classified as undisturbed until more refining data is reviewed. 2015-02-11T08:00:00 MN DNR Wildlife Management Area Land Cover - Publicly Accessible MN DNR MLCCS WMA Land Cover 2006-03-17T00:00:00 2014-07-10T00:00:00 https://gisdata.mn.gov/dataset/biota-wma-landcover-pub vector digital data Division of Fish & Wildlife - Wildlife Unit Minnesota Department of Natural Resources http://www.dnr.state.mn.us/mlccs/index.html Division of Fish & Wildlife - Wildlife Unit The Minnesota DNR provided land use and vegetation/landcover data that was utilized to determine disturbance history on Wildlife Management Areas and within State Park statuatory boundaries 12000 MN DNR Native Plant Communities and Land Cover - Parks and Trails dnr_npc_land_cover_pat 1980-01-01T00:00:00 2014-07-11T00:00:00 2015-06-22T00:00:00 https://gisdata.mn.gov/dataset/biota-dnr-native-plant-comm vector digital data Division of Ecological and Water Resources Minnesota Department of Natural Resources Division of Ecological and Water Resources 2005 Land Cover and Land Use Spatial Database of Big Stone National Wildlife Refuge lc_bsnwr 2005-09-20T00:00:00 2006-01-01T00:00:00 Utilizes National Vegetation Classification System standards. Digitized from 2005 color-infrared aerial photographs. vector digital data U.S. Geological Survey; Upper Midwest Environmental Sciences Center 2630 Fanta Reed Road La Crosse WI 54603-1223 US 608-783-6451 608-783-6066 608-781-6382 U.S. Geological Survey; Upper Midwest Environmental Sciences Center Big Stone Wetland Management District US Fish & Wildlife Service 44843 Co Rd 19 Odessa MN 56276 US 320 273 2191 Big Stone National Wildlife Refuge Big Stone Wetland Management District The US Fish and Wildlife Service offices in Odessa, MN, provided land cover and land use data for the Big Stone NWR as well as FWS owned lands in the Big Stone Wetland Management District in Lincoln and Lyon Counties, MN. 10000 Big Stone Wetland Management District Landcover Habitat Vegetation BigStone_LandcoverHabitat_Vegetation 2010-06-25T00:00:00 2012-03-06T00:00:00 vector digital data Big Stone Wetland Management District US Fish & Wildlife Service 44843 Co Rd 19 Odessa MN 56276 US 320 273 2191 Big Stone National Wildlife Refuge Big Stone Wetland Management District Morris Wetland Management Area Waterfowl Production Area Habitat Morris_WPA_Habitat_Jan2015 2015-02-01T00:00:00 2015-02-01T00:00:00 Utilizes National Vegetation Classification System standards. vector digital data Morris Wetland Management District US Fish & Wildlife Service 43875 230th St. Morris MN 56267 US 320 589 4973 Morris Wetland Management District Vegetation data from the Morris FWS Wetland Management District office was utilized to determine land use and disturbance history on Waterfowl Production Areas and some grassland easements in Big Stone, Swift, Lac qui Parle, Chippewa, and Yellow Medicine Counties, MN. Morris Wetland Management District Grassland Easement Vegetative Cover Morris_Habitat_GrassEasement 2015-02-01T00:00:00 2015-02-01T00:00:00 Utilizes National Vegetation Classification System standards. vector digital data Morris Wetland Management District US Fish & Wildlife Service 43875 230th St. Morris MN 56267 US 320 589 4973 Morris Wetland Management District Morris Wetland Management District Windom Wetland Management District NVCS Vegetation Windom_NVCS_Vegetation 2010-06-23T00:00:00 Utilizes National Vegetation Classification System standards. This NVCS vegetation data has not been updated for 5-10 years so many of the recent acquisitions may not have any data entered for that particular unit. vector digital data Windom Wetland Management District US Fish & Wildlife Service 49663 County Road 17 Windom MN 56101 507 831 2220 507 831 5524 Windom Wetland Management District Vegetation and grassland restoration data from the Windom FWS Wetland Management District office was utilized to determine land use and disturbance history on Waterfowl Production Areas and some grassland easements in Pipestone, Murray, Cottonwood, Redwood, Jackson, Nobles, and Rock Counties, MN. Windom Wetland Management District Vegetation Restorations Windom_Vegetation_Restoration 1974-05-16T00:00:00 2013-09-10T00:00:00 Utilizes National Vegetation Classification System standards. vector digital data Windom Wetland Management District US Fish & Wildlife Service 49663 County Road 17 Windom MN 56101 507 831 2220 507 831 5524 Windom Wetland Management District Windom Wetland Management District Grassland restoration data from The Nature Conservancy was utilized to determine land use and disturbance history on TNC preserves in the project area. 4000 The Nature Conservancy Prairie Coteau Preserve Restorations TNC Prairie Coteau Restorations 2015-07-06T00:00:00 2015-07-15T00:00:00 vector digital data Joe Blastick The Nature Conservancy Land Steward PO Box 816 Clear Lake SD 57226 jblastick@tnc.org 605 874 8517 605 874 8518 Joe Blastick South Dakota State University 1910 W. Kemp Ave. Watertown South Dakota 57201 pete.bauman@sdstate.edu US (605) 882-5140 (605) 882-5145 Pete Bauman South Dakota State University Extension Pete Bauman Extension Range Specialist In order to ensure completeness of data, each section (square mile) in the project extent area was analyzed and reviewed independently by two qualified mapping technicians using the aforementioned process steps. Once each county was initially digitized by a mapping technician, the second mapping technician would review the work of the first to address any uncertain data interpretations and correct any omission or commission errors. Any remaining uncertainties in interpreting or analyzing the source data were flagged and discussed at a later point in a group setting with the project coordinator, at which point they were rectified or explained in the Notes field. Additionally, a series of 36 random points were established within the project extent and evaluated by both technicians and the project coordinator to assess accuracy of mapping and source data interpretation. See completeness report in data quality section 2015-02-11T12:00:00 mn_pudl Several steps were completed to ensure proper topology and remove slivers, both throughout the mapping process and during final geoprocessing. During the mapping process, technicians ensured that no polygons smaller than 100 square meters (about 0.025 acres) were created. After final reviews were completed for each county in the project extent area, any remaining slivers of undisturbed land polygons overlapping CLU cropland polygons were rectified using the Erase tool. Finally, topology was validated to rectify any overlapping undisturbed land polygons and apply a cluster tolerance of 2.2 meters, which further removed extremely narrow slivers. Additionally, an intersection using the Union tool was made with the Minnesota ECS subsection boundary in order to accurately populate the Landscape field. See Absolute External Positional Accuracy Report. 2015-07-22T08:00:00 mn_pudl ecs_subsections_of_mn During the initial mapping process, lakes, ponds, rivers, and wetlands are all included in the undisturbed layer unless some form of disturbance is apparent. In the case of larger water bodies with multiple land types surrounding the shoreline, polygons in the undisturbed layer are simply drawn to the middle of the water body in order to eliminate the need to trace the apparent shoreline. After reviewing data, all lakes in the MN DNR Public Waters Basin Delineations greater than 40 acres are removed from the undisturbed layer using the Erase geoprocessing tool. In this manner, an accurate shoreline for larger water bodies is achieved. Additional slivers created during this process step are eliminated according to the procedure described in the Conceptual Consistency Report. Water bodies less than 40 acres as defined by the Public Waters Basin Delineation are retained in the final undisturbed layer. These smaller water bodies were not removed because, although water bodies are not grassland or woodland per se, they are essentially a part of the functioning landscape, especially in larger blocks of undisturbed land. Larger water bodies, on the other hand, may artificially inflate the amount of undisturbed land if retained in the final layer. Furthermore, we were not satisfied with the omission or commission of smaller water bodies in the Public Waters dataset, so a conservative standard size of 40 acres (1/16 square mile) was chosen for water bodies to remove. Even though only 42% of the individual Public Waters Basin water bodies falling in the project extent are greater than 40 acres, this still represents 89% of the water surface area in the same project extent. Even then, some larger 'water bodies' have been removed that likely should remain in the undisturbed grassland classification, such as the 'lake' in the Lower Antelope Valley WMA in Yellow Medicine County. Likewise, Marsh Lake in the Big Stone NWR was not included in the public waters layer when it likely should have been removed from the Potentially Undisturbed layer. Regardless, the Public Waters Basin Delineations have been accepted as measured geometric data, thus no editing or commission/omission decisions beyond the 40 acres threshold have been performed on the water bodies layer. 2015-07-22T13:00:00 public_waters_basin_delineations mn_pudl All data creation and processing completed by Tanner Butler and/or Benjamin Carlson at SDSU Extension, Watertown, SD, between 2/1/15 and 8/27/15. Data are topologically correct using ArcGIS 10.3. All polygons are closed and do not overlap each other, however small gaps may still exist between polygons. Topology has been validated for polygons with a cluster tolerance of 2.2 meters (prior to removing Public Waters Basin Delineation geometry). During the mapping process, no polygons with an area less than 100 square meters (about 0.025 acres) were created. Any sliver with a cluster tolerance below 2.2 meters was removed and overlapping polygons were rectified during validation of topology rules, which occurred after initial polygon creation was complete but prior to removing Public Waters Basin Delineations. Removing the water body geometry created nearly 800 new slivers (totaling less than 3 acres), so several additional steps were taken to eliminate these while preserving shoreline geometry. First, after converting multipart features to single part features, any sliver less than 0.025 acres was merged with an adjacent polygon, if any existed, using the Eliminate geoprocessing tool. Any remaining slivers less than .01 acres were then removed manually. Topology rules were not evaluated again in order to preserve water body shorelines as defined by the Public Waters layer. Data are complete for the entire project extent area and each section (1 square mile) in this area was analyzed and reviewed independently by two qualified mapping technicians. All counties in this area are complete except for portions of Yellow Medicine, Lyon, and Redwood that fall outside of the project extent. Commission and omission error rates are not assessible for the data since all data within the entire project extent was completely analyzed and reviewed. Furthermore, after analysis and review, a series of random points was established within the project extent for review with the project coordinator. The only possible sources of error come from incomplete or incorrect source data, or incorrect interpretation of ambiguous source data by mapping technicians. These possible deficiencies will be addressed as more refined data is acquired in future dataset updates. In addition to the complete independent analysis and review completed by mapping technicians, a series of 36 random points were established within the project extent (16 for the Lac qui Parle region and 20 for the Prairie Coteau landscape), which were evaluated by both technicians and the project coordinator to assess accuracy of mapping and source data interpretation. This test initially indicated that Big Stone, Yellow Medicine, and Lincoln Counties did not satisfy data quality standards and these counties were subsequently reevaluated in their entirety. The data was produced at a minimum scale of 1:8000, although greater scales up to 1:800 may have been used. Positional accuracy can be reasonably estimated based on snapping tolerance and processing techniques used when digitizing data to be 2.2 - 22.5 meters (7.2 - 73.8 feet) from correct position. The standard snapping tolerance of 10 pixels was measured in actual map units at minimum and maximum scales to estimate positional accuracy. m 22.5 All acreages and attribute fields were calculated and verified by mapping technicians using ArcGIS. All empty values have been nulled. Landscape field values were determined by intersection with landscape boundaries. Land_Type field values were determined by identification of visually apparent closed-canopy woodland through analysis of NAIP Aerial Photography. Most public lands in the project extent area were identified and named in the Notes field, but no guarantee of the accuracy or completeness of public land boundaries or identification is implied. Acreages were calculated using Calculate Geometry Tool in NAD83 UTM 15N. All attribute fields except for Notes field were populated using Field Calculator Tool after selecting appropriate records. Resolution [acr_us] .000001 mn_potentially_undisturbed_lands Feature Class 0 This feature class contains polygons classified as either undisturbed grassland or woodlands in Southwestern Minnesota. SDSU Extension OBJECTID OBJECTID OID 4 0 0 Internal feature number. Esri Sequential unique whole numbers that are automatically generated. SHAPE Shape Geometry 0 0 0 Feature geometry. Esri Coordinates defining the features. Acres Acres Single 4 0 0 A whole number calculated in ArcGIS giving the size of the feature in acres, calculated using NAD83 UTM15N. SDSU Extension .01 10000 Contractor Contractor String 5 0 0 The initials of the mapping technician responsible for mapping a subset of the feature class, defined once per subset on the first instance of said subset. A subset here is a given land type within an individual landscape and county. SDSU Extension BTC Ben Carlson SDSU Extension TB Tanner Butler SDSU Extension Year Year String 4 0 0 The year in which a subset of the feature class was mapped, defined once per subset on the first instance of said subset. A subset here is a given land type within an individual landscape and county. SDSU Extension 2015 2115 Notes Notes String 50 0 0 Gives any information to clarify or question a classification. For example, public lands were identified and named in this field when possible. Any land with an uncertain or dubious disturbance history or otherwise undecided land classification would usually be indicated here. SDSU Extension Records in this field have a unique value when populated. However, common values include the names of public lands, as well as notes on possible undetermined disturbance, such as: Old Field?; Tilled?; Planted Trees?; Gravel Pit?; etc. County County String 15 0 0 The name of the Minnesota county where a given record is located. TIGER NRCS County Boundaries Counties in the project extent include: Big Stone, Swift, Chippewa, Lac qui Parle, Yellow Medicine, Lincoln, Lyon, Redwood, Cottonwood, Murray, Pipestone, Rock, Nobles, and Jackson. Land_Type Land_Type String 10 0 0 The type of undisturbed land as apparent on 2013 NAIP Aerial Photography. SDSU Extension Grassland A parcel of land that is primarily grassland, wetland, or intermittant trees/shrubs, and which has no apparent indicators of prior or current disturbance history. SDSU Extension Woodland A parcel of land that is primarily closed-canopy woodland, and which has no apparent indicators of prior or current disturbance history. SDSU Extension Landscape Landscape String 20 0 0 The specific focus area and/or ecological province within the project extent where a given record is located. SDSU Extension Prairie Coteau Prairie Coteau landscape as defined by the NFWF Prairie Coteau Business Plan submitted by The Nature Conservancy on April 30th, 2010. NFWF/TNC Lac qui Parle Counties surrounding the Lac qui Parle Valley (upper Minnesota River), except portions of said counties falling on the Prairie Coteau Landscape. MN DNR Minn River Prairie Portions of the Minnesota River Prairie ecological province, which do not fall in either of the four Lac qui Parle Region counties or on the Prairie Coteau Landscape as defined by NFWF/TNC. MN DNR County_Lan County_Lan String 50 0 0 Shape_Leng Shape_Leng Double 8 0 0 Shape_Length Shape_Length Double 8 0 0 Length of feature in internal units. Esri Positive real numbers that are automatically generated. SHAPE_Area Shape_Area Double 8 0 0 Area of feature in internal units squared. Esri Positive real numbers that are automatically generated. Attributes describe the county and landscape where features are located, the type of undisturbed land, and other information regarding feature classification. All features in this layer are known to be permanently protected. No identification of the type or status of ownership or protection is included or implied in the attributes. 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