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Browse History: Upper Bay (2007)

Chesapeake Bay - Reporting Region Summary:



  Estuary Selection Map

Scores & Conceptual Diagram


Bay Health Index
Benthic Index of Biotic Integrity Icon
59%
C+
Upper Bay: 2007

Top-ranked grade: C+
  • Slight improvement from 2006 (56), leading to one of the highest recorded scores.
  • Water clarity continued to recover after record low in 2003.

Score Legend
Locator Map
  Index/Indicator Score     Index/Indicator Score
Benthic Index of Biotic Integrity Icon Chlorophyll a
46%
  Benthic Index of Biotic Integrity Icon Aquatic grasses
87%
Benthic Index of Biotic Integrity Icon Dissolved oxygen
80%
  Benthic Index of Biotic Integrity Icon Benthic Index of Biotic Integrity
72%
Benthic Index of Biotic Integrity Icon Water clarity
30%
  Benthic Index of Biotic Integrity Icon Phytoplankton Index of Biotic Integrity
42%
 
Benthic Index of Biotic Integrity Icon Water Quality Index
52%
  Biotic Index Icon Biotic Index
67%
 

Excel Spreadsheet

Dynamic Conceptual Diagram

Editable Vector Diagram (SVG)

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