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Ecology and physiology of phytoplank...

Wagey, Gabriel Antonius.

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Ecology and physiology of phytoplankton in Ambon Bay, Indonesia.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Ecology and physiology of phytoplankton in Ambon Bay, Indonesia./
作者:	Wagey, Gabriel Antonius.
面頁冊數:	185 p.
附註:	Adviser: F. J. R. Taylor.
Contained By:	Dissertation Abstracts International63-12B.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ75099
ISBN:	061275099X

Ecology and physiology of phytoplankton in Ambon Bay, Indonesia.
Wagey, Gabriel Antonius.

Ecology and physiology of phytoplankton in Ambon Bay, Indonesia. - 185 p.

Adviser: F. J. R. Taylor.

Thesis (Ph.D.)--The University of British Columbia (Canada), 2002.

This study investigated the natural phytoplankton assemblage of Ambon Bay, eastern Indonesia, over a two-year period, including the composition of the dominant microplankton and the influence of environmental factors with emphasis on the role of mangrove in Ambon Bay. A hoped-for bloom of the toxic <italic> Pyrodinium bahamense</italic> var. <italic>compressum</italic> did not materialize but other potentially harmful species from Ambon Bay were isolated and investigated in culture to determine their growth rates under various environmental conditions and their toxin potential. This constitutes the first study of its type, not only for the Moluccan region, but Indonesia in general.

ISBN: 061275099XSubjects--Topical Terms:

1017726
Biology, Ecology.

Ecology and physiology of phytoplankton in Ambon Bay, Indonesia.
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100 1 $a Wagey, Gabriel Antonius. $3 1254520
245 1 0 $a Ecology and physiology of phytoplankton in Ambon Bay, Indonesia.
300 $a 185 p.
500 $a Adviser: F. J. R. Taylor.
500 $a Source: Dissertation Abstracts International, Volume: 63-12, Section: B, page: 5707.
502 $a Thesis (Ph.D.)--The University of British Columbia (Canada), 2002.
520 $a This study investigated the natural phytoplankton assemblage of Ambon Bay, eastern Indonesia, over a two-year period, including the composition of the dominant microplankton and the influence of environmental factors with emphasis on the role of mangrove in Ambon Bay. A hoped-for bloom of the toxic <italic> Pyrodinium bahamense</italic> var. <italic>compressum</italic> did not materialize but other potentially harmful species from Ambon Bay were isolated and investigated in culture to determine their growth rates under various environmental conditions and their toxin potential. This constitutes the first study of its type, not only for the Moluccan region, but Indonesia in general.
520 $a In this study, 105 phytoplankton species from Ambon Bay were identified, including several dinoflagellates new to Indonesia, such as <italic>Gymnodinium catenatum, Alexandrium cohorticula</italic> and <italic>Fragilidium</italic> cf. <italic>mexicanum</italic>. The former two are known from S.E. Asia but the latter has not been seen since its description from Mexico. Due to its close resemblance to the toxic genus <italic>Alexandrium</italic> it was also tested in culture for toxicity. The common, occasionally abundant, presence of <italic>G. catenatum</italic> was unexpected and raises the possibility of human health hazard due to this species in Ambon Bay. During the 1997–1998 sampling period, a strong indication of local upwelling occurred in Ambon Bay. The environmental factors that significantly influenced phytoplankton abundance were ammonium, salinity, and water temperature.
520 $a Four dinoflagellate species isolated from Ambon Bay were able to grow in culture in both natural and artificial media and, because of its importance as a shellfish poison producer in S.E. Asia, a culture of <italic>Pyrodinium </italic> was also studied. Addition of Mangrove Soil Extract (MSE) to the culture media has significantly enhanced the growth of <italic>Pyrodinium </italic> (a Manila Bay isolate) compared to media without MSE. Moreover, it preferred MSE with molecular weight higher than 3000 for increasing growth in culture.
520 $a This study has provided the first comprehensive, detailed information of phytoplankton in eastern Indonesia and Ambon Bay in particular. It has characterized general features of the phytoplankton community, identified dominants and investigated possible environmental influences, particularly mangrove emphasizing the potentially harmful species. It has significant implications for human health related to shellfish consumption in Ambon.
590 $a School code: 2500.
650 4 $a Biology, Ecology. $3 1017726
650 4 $a Biology, Oceanography. $3 783691
650 4 $a Biology, Plant Physiology. $3 1017865
650 4 $a Environmental Sciences. $3 676987
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