Procedure 51 Site Classifications [Michigan] Full Details
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Full Details
- Title:
- Procedure 51 Site Classifications [Michigan]
- Description:
- Rapid, qualitative biological and habitat surveys for wadeable streams and rivers are conducted using theGreat Lakes Watersheds Assessment, Restoration, and Management (GLWARM) section Procedure 51. Procedure 51 consists of separate qualitative evaluations of the macroinvertebrate community, fish community, and habitat quality. These protocols can be used to assess the existing condition of Michigan's wadeable streams and rivers as well as detect spatial and temporal trends.This layer was developed to classify sites for the Water Resources Division Procedure 51 scoring process. The classifications were partly derived from EPA's StreamCat Dataset catchments and Level 3 Ecoregions, where ecoregion, catchment slope, and wetland composition, are components of the site class determination.The north region is comprised of catchments within level 3 Ecoregion 50: Northern Lakes and Forests and Ecoregion 51: North Central Hardwood Forests. Monitoring sites within the north region are classified according to stream width and percent coverage of wetland and open water land cover types according to the table below. North- Wetland > 40%:Stream ClassStream Width (ft.)Very Narrow< 13Narrow13 - 21.27Wide OR Mid-Size Wet21.27 - 68.367Wide OR Mid-Size Wet> 68.367North- Wetland < 40%Stream ClassStream Width (ft)Very Narrow< 13Narrow13 - 21.27Mid-Size Dry21.27 - 68.367Wide OR Mid-Size Wet> 68.367The south region is comprised of catchments with level 3 Ecoregion 55: Eastern Corn Belt Plains, Ecoregion 56: Southern Michigan/Northern Indiana Drift Plains and Ecoregion 57: Huron/Erie Lake Plains. Longitude -83.72 is used to divide the East classification from both WestFlat and WestSteep classifications.Please note that catchments whose boundaries intersected the north/south ecoregion boundary and the -83.72 longitude were split accordingly. These fragmented catchments retained their original % Wetland and % slope values from the StreamCat dataset for classification purposes . These values are not representative of the actual composition within those areas, they correspond to the original catchment boundaries.Learn more about EGLE Biological AssessmentsQuestions about the data and P51 site classifications: Sarah Holden at HoldenS1@Michigan.govMap feedback: VandenbergC@Michigan.gov
- Creator:
- Michigan Dept. of Environment, Great Lakes, and Energy
- Provider:
- State of Michigan Open Data Portal
- Resource Class:
- Web services
- Temporal Coverage:
- Last modified 2024-06-18
- Date Issued:
- 2024-02-29
- Place:
- Rights:
- This application or dataset, along with any maps, data, content and other information contained within it and all output from the application (together the “Information”), is provided as a public service, and there are no restrictions on the use, reproduction, or distribution of the Information. It is your responsibility to use the Information for a legally permissible purpose. This Information is provided “AS IS” and on an “AS AVAILABLE” basis. The State of Michigan (“State”) makes no warranties, express or implied, regarding the accuracy, adequacy, reliability, timeliness, or completeness of this Information. THE STATE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS INFORMATION, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT OF PROPRIETARY RIGHTS. THE STATE WILL NOT BE LIABLE, REGARDLESS OF THE FORM OF ACTION, WHETHER IN CONTRACT, TORT, NEGLIGENCE, STRICT LIABILITY OR BY STATUTE OR OTHERWISE, FOR ANY CLAIM FOR CONSEQUENTIAL, INCIDENTAL, INDIRECT, OR SPECIAL DAMAGES, INCLUDING WITHOUT LIMITATION LOST PROFITS AND LOST BUSINESS OPPORTUNITIES, RELATED TO THE ACCESS OR USE OF THIS INFORMATION. IN NO EVENT WILL THE STATE BE LIABLE FOR ANY AMOUNTS THAT MAY RESULT FROM THE ACCESS OR USE OF THIS INFORMATION, REGARDLESS OF THE FORM OF ACTION, WHETHER IN CONTRACT, TORT, NEGLIGENCE, STRICT LIABILITY, OR BY STATUTE OR OTHERWISE. By accessing or using this Information, you agree that you will not make any claims against the State or any of its departments, divisions, officers, or employees related to your use of the Information. These terms are governed by and interpreted under the laws of the State of Michigan without regard to conflict of laws provisions. Nothing in these terms is meant to impact or replace any existing rights or licenses, such as copyright, trademark, or patent protections, in materials or content that may be located on the site or portal containing the Information.
- Access Rights:
- Public
- Format:
- File
- Language:
- English
- Date Added:
- 2024-06-20