Comparison of Phytoplankton Blooms in San Francisco Bay and Chesapeake Bay
![Chesapeake Bay Has High Nutrient Concentration and Large Phytoplankton Blooms](https://webarchive.library.unt.edu/eot2008/20080920102015im_/http://toxics.usgs.gov/photo_gallery/photos/invasives/SFBayChesBayCompSlide1_lg.jpg)
![San Francisco Bay Also Has High Nutrient Concentrations But Small Phytoplankton Blooms](https://webarchive.library.unt.edu/eot2008/20080920102015im_/http://toxics.usgs.gov/photo_gallery/photos/invasives/SFBayChesBayCompSlide2_lg.jpg)
![One of the Ecosystem Consequences of Large Phytoplankton Blooms Can be a Decline in Dissolved Oxygen](https://webarchive.library.unt.edu/eot2008/20080920102015im_/http://toxics.usgs.gov/photo_gallery/photos/invasives/SFBayChesBayCompSlide3_lg.jpg)
The figures on this page are modified versions of figure 6 from Cloern, 2001. They depict seasonal changes in selected water-quality constituents of the Chesapeake Bay and northern San Francisco Bay for the year 1997. Data are from the Chesapeake Bay Program Monitoring Station 3.3C and U.S. Geological Survey Station 9 in northern San Francisco Bay. Unit abbreviations: µg/L = micrograms per liter, µM = micromoles, mg/L = milligrams per liter
Reference
Cloern, J.E., 2001, Our evolving conceptual model of the coastal eutrophication problem: Marine Ecology Progress Series, v. 210, p. 223-253.
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