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Nitrogen fixation in benthic microal...

Nagel, Eric Dale.

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Nitrogen fixation in benthic microalgal mats: An important, internal source of "new" nitrogen to benthic communities in Florida Bay.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Nitrogen fixation in benthic microalgal mats: An important, internal source of "new" nitrogen to benthic communities in Florida Bay./
Author:	Nagel, Eric Dale.
Description:	111 p.
Notes:	Source: Masters Abstracts International, Volume: 43-03, page: 0808.
Contained By:	Masters Abstracts International43-03.
Subject:	Environmental Sciences. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1424137
ISBN:	0496139398

Nitrogen fixation in benthic microalgal mats: An important, internal source of "new" nitrogen to benthic communities in Florida Bay.
Nagel, Eric Dale.

Nitrogen fixation in benthic microalgal mats: An important, internal source of "new" nitrogen to benthic communities in Florida Bay. - 111 p.

Source: Masters Abstracts International, Volume: 43-03, page: 0808.

Thesis (M.S.)--University of Maryland, College Park, 2004.

The introduction of "new" nitrogen via nitrogen fixation may have a significant effect on nitrogen availability in estuaries and other partially enclosed aquatic systems. This thesis examines rates of nitrogen fixation associated with benthic microalgal communities in Florida Bay to determine the relative importance of this source as compared to external loads of nitrogen to the system.

ISBN: 0496139398Subjects--Topical Terms:

676987
Environmental Sciences.

Nitrogen fixation in benthic microalgal mats: An important, internal source of "new" nitrogen to benthic communities in Florida Bay.
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005 20060719075938.5
008 130610s2004 eng d
020 $a 0496139398
035 $a (UnM)AAI1424137
035 $a AAI1424137
040 $a UnM $c UnM
100 1 $a Nagel, Eric Dale. $3 1904266
245 1 0 $a Nitrogen fixation in benthic microalgal mats: An important, internal source of "new" nitrogen to benthic communities in Florida Bay.
300 $a 111 p.
500 $a Source: Masters Abstracts International, Volume: 43-03, page: 0808.
500 $a Director: Jeffrey C. Cornwell.
502 $a Thesis (M.S.)--University of Maryland, College Park, 2004.
520 $a The introduction of "new" nitrogen via nitrogen fixation may have a significant effect on nitrogen availability in estuaries and other partially enclosed aquatic systems. This thesis examines rates of nitrogen fixation associated with benthic microalgal communities in Florida Bay to determine the relative importance of this source as compared to external loads of nitrogen to the system.
520 $a Nitrogen fixation was measured using a number of experimental techniques to calibrate the use of the acetylene reduction assay and to determine the suitability of the N2:Ar comparison technique for measuring rates of nitrogen fixation. Nitrogen fixation was found to be mediated by benthic microalgae at the surface of the sediments in Florida Bay, and higher rates of fixation were measured in areas dominated by benthic microalgal mats. Nitrogen fixation was highest in the relatively phosphorus-rich western basins and was stimulated by experimental phosphorus additions, suggesting that nitrogen fixation is partially phosphorus-limited.
590 $a School code: 0117.
650 4 $a Environmental Sciences. $3 676987
650 4 $a Biogeochemistry. $3 545717
650 4 $a Biology, Oceanography. $3 783691
690 $a 0768
690 $a 0425
690 $a 0416
710 2 0 $a University of Maryland, College Park. $3 657686
773 0 $t Masters Abstracts International $g 43-03.
790 1 0 $a Cornwell, Jeffrey C., $e advisor
790 $a 0117
791 $a M.S.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1424137