Spatial and temporal distribution of phytoplankton in Biscayne Bay, Florida

Larry E Brand, Mark D. Gottfried, Carlos C. Baylon, Nidia S. Romer

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Biscayne Bay provides a study in contrasts. North Biscayne Bay has undergone substantial changes during the twentieth century resulting from the development of the metropolis of Miami around it while south Biscayne Bay has been relatively little affected by the dramatic human population increase in South Florida. The phytoplankton at 24 stations throughout Biscayne Bay were examined monthly for 1 year. Phytoplankton were found to be 5 to 10 times higher in abundance in the north bay compared to the south and even more abundant near canal mouths. Eutrophication from freshwater runoff is the likely cause of the higher abundance of phytoplankton in the north bay as well as the higher fluorescence response indices and chlorophyll to phaeopigment ratios in the phytoplankton in the north. Phytoplankton are most abundant in the north bay right after the first major rains of the rainy season, thought to be the result of the large amounts of nutrients flushed into the bay at that time. Phytoplankton are least abundant at the end of the dry season after a long period of little runoff. Phytoplankton abundance shows virtually no seasonality in the south bay where land runoffis relatively insignificant. The south Biscayne Bay ecosystem remains dominated by benthic macrophytes while the north bay has shifted to an ecosystem dominated by a relatively dense plankton community with few macrophytes remaining.

Original languageEnglish
Pages (from-to)599-613
Number of pages15
JournalBulletin of Marine Science
Volume49
Issue number1-2
StatePublished - Dec 1 1991

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temporal distribution
phytoplankton
spatial distribution
macrophytes
runoff
ecosystems
human population
eutrophication
plankton
mouth
population growth
dry season
wet season
ecosystem
fluorescence
rain
chlorophyll
twentieth century
seasonality
canal

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography

Cite this

Brand, L. E., Gottfried, M. D., Baylon, C. C., & Romer, N. S. (1991). Spatial and temporal distribution of phytoplankton in Biscayne Bay, Florida. Bulletin of Marine Science, 49(1-2), 599-613.

Spatial and temporal distribution of phytoplankton in Biscayne Bay, Florida. / Brand, Larry E; Gottfried, Mark D.; Baylon, Carlos C.; Romer, Nidia S.

In: Bulletin of Marine Science, Vol. 49, No. 1-2, 01.12.1991, p. 599-613.

Research output: Contribution to journalArticle

Brand, LE, Gottfried, MD, Baylon, CC & Romer, NS 1991, 'Spatial and temporal distribution of phytoplankton in Biscayne Bay, Florida', Bulletin of Marine Science, vol. 49, no. 1-2, pp. 599-613.
Brand, Larry E ; Gottfried, Mark D. ; Baylon, Carlos C. ; Romer, Nidia S. / Spatial and temporal distribution of phytoplankton in Biscayne Bay, Florida. In: Bulletin of Marine Science. 1991 ; Vol. 49, No. 1-2. pp. 599-613.
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