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Effects of ontogeny on nitrogen sequ...
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Dalrymple, D. Joseph.
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Effects of ontogeny on nitrogen sequestration and removal capacity of oysters.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Effects of ontogeny on nitrogen sequestration and removal capacity of oysters./
作者:
Dalrymple, D. Joseph.
面頁冊數:
70 p.
附註:
Source: Masters Abstracts International, Volume: 52-03.
Contained By:
Masters Abstracts International52-03(E).
標題:
Ecology. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1546829
ISBN:
9781303471308
Effects of ontogeny on nitrogen sequestration and removal capacity of oysters.
Dalrymple, D. Joseph.
Effects of ontogeny on nitrogen sequestration and removal capacity of oysters.
- 70 p.
Source: Masters Abstracts International, Volume: 52-03.
Thesis (M.S.)--University of South Alabama, 2013.
Oyster restoration and aquaculture may benefit coastal ecosystems by remediating the effects of anthropogenically-driven eutrophication via nitrogen (N) sequestration and removal. The magnitude of this ecosystem service has been rarely documented with direct measurements, and previous estimates have not accounted for differences due to ontogeny. To quantify the role of oysters in improving water quality and test the effects of ontogeny on N removal, this study compared N removal via assimilation into tissues and potential for benthic N removal via oyster biodeposits through time in juvenile and adult oysters. Juvenile oysters grew throughout the study and actively assimilated N while adult oysters did not. Total N released in biodeposits did not differ between age classes. These results demonstrate that ontogeny can mediate N removal by tissue assimilation, and may be uncoupled from biodeposition. For continuous N sequestration and removal, oyster aquaculture or restoration projects will benefit from balancing oyster growth and harvest to support recruitment of new young actively growing oysters and removal of older animals before growth substantially declines. Results of a companion study indicate that the magnitude of N removal as a secondary benefit of oyster aquaculture may be amplified by using triploid instead of typically used diploid oysters.
ISBN: 9781303471308Subjects--Topical Terms:
516476
Ecology.
Effects of ontogeny on nitrogen sequestration and removal capacity of oysters.
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