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Browse History: Lower Western Shore (MD) (2013)





Chesapeake Bay - Reporting Region Summary:



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Scores & Conceptual Diagram


Bay Health Index
Benthic Index of Biotic Integrity Icon
23%
D-
Lower Western Shore (MD): 2013

Poor ecosystem health. Failing scores for four out of seven indicators are leading to continued poor health. Slight improvements in benthic community were offset by declines in total phosphorus. 


Score Legend
Locator Map
  Index/Indicator Score     Index/Indicator Score
Benthic Index of Biotic Integrity Icon Chlorophyll a
0%
  Benthic Index of Biotic Integrity Icon Aquatic grasses
4%
Benthic Index of Biotic Integrity Icon Dissolved oxygen
79%
  Benthic Index of Biotic Integrity Icon Benthic Index of Biotic Integrity
40%
Benthic Index of Biotic Integrity Icon Water clarity
0%
  Total Nitrogen Icon Total Nitrogen
5%
Total Phosphorus Icon Total Phosphorus
32%
       

Excel Spreadsheet

Dynamic Conceptual Diagram

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Region Info

The Lower Western Shore watershed drains approximately 300 square miles of land in Anne Arundel and Calvert Counties. The largest bodies of water in the watershed are the Magothy, Severn, South, Rhode, and West Rivers. Due to low elevation, surface waters often generally flow slowly through winding trails, and sometimes through wetlands before reaching the Bay. The Lower Western Shore is largely forested, with urban development the second largest land use. Major cities in the area include Annapolis, Severna Park, Arnold, and Chesapeake Beach. The census population for 2000 for the basin was 278,000 people. There are seven major wastewater treatment plants in the watershed. (Based on MD DNR Tributary Strategy Report by Karrh et al., 2007 and updated 2000 land use classifications).

lower_western_shoreconceptual diagram.png

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