http://scholars.ntou.edu.tw/handle/123456789/12159
標題: | Microbial dynamics in an oligotrophic bay of the western subtropical Pacific: Impact of short-term heavy freshwater runoff and upwelling | 作者: | An-Yi Tsai Gwo-Ching Gong Robert W. Sanders Chien-Fu Chao Kuo-Ping Chiang |
公開日期: | 十二月-2010 | 出版社: | Springer Verlag | 卷: | 66 | 期: | 6 | 起(迄)頁: | pp.873-883 | 來源出版物: | Journal of Oceanography | 摘要: | This two-year study investigates the possible factors that determine spatial and temporal dynamics of picoplankton (heterotrophic bacteria, autotrophic picoplankton—Synechococcus spp., Prochlorococcus, and picoeukaryotes) and nanoflagellate abundance in the subtropical Ilan Bay, Taiwan, where the inner bay is affected by freshwater run-off from the Lanyang River and the eastern outer bay by the Kuroshio Current. In the inner bay, there was more rain and freshwater discharge in 2005 than in 2004 during the warm season (>24° C, June–September). The abundance of bacteria, Synechococcus spp., Prochlorococcus, and picoeukaryotes and the percentage contributions of pigmented nanoflagellate (PNF %) were two- to eight-fold greater during this period (July in 2005) than for other sampling periods. Relatively low abundance of heterotrophic nanoflagellates (HNF) in the presence of abundant picoplankton prey suggests that top-down control determined HNF abundance in the Ilan Bay, Taiwan. Keywords Synechococcus spp.– Prochlorococcus –Ilan Bay–pigmented nanoflagellates |
URI: | http://scholars.ntou.edu.tw/handle/123456789/12159 | ISSN: | 0916-8370 | DOI: | 10.1007/s10872-010-0071-3 |
顯示於: | 海洋環境與生態研究所 |
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