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Browse History: Elizabeth River (2013)

Chesapeake Bay - Reporting Region Summary:



  Estuary Selection Map

Scores & Conceptual Diagram


Bay Health Index
Benthic Index of Biotic Integrity Icon
37%
D+
Elizabeth River: 2013

Poor ecosystem health. There were improvements in all indicators. There is no benthic community score for 2013. Over time this region is showing a significantly improving trend. 




Score Legend
Locator Map
  Index/Indicator Score     Index/Indicator Score
Benthic Index of Biotic Integrity Icon Chlorophyll a
30%
  Benthic Index of Biotic Integrity Icon Aquatic grasses
No Growth Zone
Benthic Index of Biotic Integrity Icon Dissolved oxygen
78%
  Benthic Index of Biotic Integrity Icon Benthic Index of Biotic Integrity
ND
Benthic Index of Biotic Integrity Icon Water clarity
3%
  Total Nitrogen Icon Total Nitrogen
52%
Total Phosphorus Icon Total Phosphorus
24%
       

Excel Spreadsheet

Dynamic Conceptual Diagram

Editable Vector Diagram (SVG)

Maps

This indicator map is already zoomed to the area of this region. You can pan and zoom and also change to another indicator map.


Region Info

The Elizabeth River watershed drains approximately 200 square miles of land and flows into the mouth of the James River. The main branch of the estuary is approximately 5 mi long and 2 mi wide at its mouth. Land use on the watershed is predominantly urban with the Cities of Norfolk and Portsmouth flanking the main tributaries.

elizabeth_riverconceptual diagram.png

Editable Vector Version (SVG)