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Florida Bay microalgae blooms: Phys...

Richardson, Ralph William.

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Florida Bay microalgae blooms: Physiological characteristics and competitive strategies of bloom forming cyanobacteria and diatoms of Florida Bay.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Florida Bay microalgae blooms: Physiological characteristics and competitive strategies of bloom forming cyanobacteria and diatoms of Florida Bay./
作者:	Richardson, Ralph William.
面頁冊數:	216 p.
附註:	Major Professor: Gabriel A. Vargo.
Contained By:	Dissertation Abstracts International65-07B.
標題:	Biology, Oceanography. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3140223
ISBN:	9780496873647

Florida Bay microalgae blooms: Physiological characteristics and competitive strategies of bloom forming cyanobacteria and diatoms of Florida Bay.
Richardson, Ralph William.

Florida Bay microalgae blooms: Physiological characteristics and competitive strategies of bloom forming cyanobacteria and diatoms of Florida Bay. - 216 p.

Major Professor: Gabriel A. Vargo.

Thesis (Ph.D.)--University of South Florida, 2004.

Areally expansive, persistent and recurring blooms frequently dominated by cyanobacteria have developed primarily in the north-central region of Florida Bay since approximately 1991. This part of the bay has a history of the following: periodic hypersalinity, high sediment-derived turbidity, P limitation, N limitation, light limitation and long water residence time. Clonal isolates of selected dominant bloom species of cyanobacteria (Synechococcus cf. elongatus and Synechocystis sp.) and diatoms ( Chaetoceros cf. salsugineus and Thalassiosira cf. oceanica) from Florida Bay were examined in an effort to explain their relative dominance of the phytoplankton community.

ISBN: 9780496873647Subjects--Topical Terms:

783691
Biology, Oceanography.

Florida Bay microalgae blooms: Physiological characteristics and competitive strategies of bloom forming cyanobacteria and diatoms of Florida Bay.
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245 1 0 $a Florida Bay microalgae blooms: Physiological characteristics and competitive strategies of bloom forming cyanobacteria and diatoms of Florida Bay.
300 $a 216 p.
500 $a Major Professor: Gabriel A. Vargo.
500 $a Source: Dissertation Abstracts International, Volume: 65-07, Section: B, page: 3336.
502 $a Thesis (Ph.D.)--University of South Florida, 2004.
520 $a Areally expansive, persistent and recurring blooms frequently dominated by cyanobacteria have developed primarily in the north-central region of Florida Bay since approximately 1991. This part of the bay has a history of the following: periodic hypersalinity, high sediment-derived turbidity, P limitation, N limitation, light limitation and long water residence time. Clonal isolates of selected dominant bloom species of cyanobacteria (Synechococcus cf. elongatus and Synechocystis sp.) and diatoms ( Chaetoceros cf. salsugineus and Thalassiosira cf. oceanica) from Florida Bay were examined in an effort to explain their relative dominance of the phytoplankton community.
520 $a The following physiological characteristics and nutrient strategies of the study species were examined: (1) salinity-growth response; (2) light-growth response; (3) phosphorus-dependent growth kinetics; (4) ERC-theory phosphorus competitiveness; (5) cellular quotas and luxury storage capabilities of N and P; (6) optimal N:P ratios; (7) P and N-limited competitiveness under various salinities, N:P ratios, forms of N and P, and rates of nutrient delivery; (8) aerobic nitrogen fixation; (9) production of allelochemic compounds, and (10) response to resuspended sediment.
520 $a This study identified salinity and nutrient limitation as the factors having the greatest potential to regulate the development of cyanobacteria and diatom bloom dominance in Florida Bay. The results strongly suggest that the frequent dominance of Synechococcus cf. elongatus , and Synechocystis sp. in the recurring phytoplankton blooms of the north-central region of Florida Bay can be attributed to their superior P-competitiveness and to a lesser degree to their greater salinity tolerance limits.
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