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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41106

Title: Factors related to the dominance of Cylindrospermopsis raciborskii (cyanobacteria) in a shallow pond in northern Taiwan
Authors: Yoshimasa Yamamoto
Fuh-Kwo Shiah
Contributors: 國立臺灣海洋大學:海洋環境化學與生態研究所
Keywords: shallow pond
Cylindrospermopsis raciborskii
environmental variables
phytoplankton community
seasonal succession
Date: 2012-08
Issue Date: 2017-02-08T07:39:42Z
Publisher: Journal of Phycology
Abstract: Abstract: Seasonal succession of phytoplankton was investigated in a shallow pond in northern Taiwan from August 2009 to January 2011, with particular reference to the dynamics of Cylindrospermopsis raciborskii (Woloszynska) Seenayya et Subba Raju. The abundances of the representative species in the pond increased during high-temperature seasons, whereas only C. raciborskii became dominant in the pond from summer to autumn in both 2009 and 2010. The high shade tolerance of C. raciborskii was likely one of the factors that enabled the cyanobacterium to grow during the summer when the transparency was low. Moreover, the heterocyst production of C. raciborskii was enhanced during summer when the concentration of dissolved inorganic nitrogen was low, implying that nitrogen fixation also played an important role in supporting the growth of C. raciborskii. Autumnal rainfall was a critical factor in the collapse of C. raciborskii blooms. C. raciborskii formed blooms with relatively small trichomes, whereas larger trichomes dominated during winter. The dependence of the trade-off between growth rate and trichome size on temperature was assumed to be an adaptation strategy of C. raciborskii.
Relation: 48(4)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41106
Appears in Collections:[海洋環境與生態研究所] 期刊論文

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