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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41006

Title: Temperature dependence of bacterial specific growth rates on the continental shelf of the East China Sea and its potential application in estimating bacterial production
Authors: Fuh Kwo Shiah
Gwo Ching Gong
Tzong Yueh Chen
Chung Chi Chen
Contributors: 國立臺灣海洋大學:海洋環境化學與生態研究所
Keywords: Modeling
Continental shelf
East China Sea
Heterotrophic bacterioplankton
Remote sensing
Date: 2000-09
Issue Date: 2017-02-08T01:10:56Z
Publisher:  Aquatic Microbial Ecology
Abstract: Abstract: To decipher the relative importance of temperature and substrate supply in regulating the spatial patterns of bacterial production and specific growth rates, field surveys in the continental shelf of the East China Sea and on board substrate (dissolved free amino acids) enrichment experiments were conducted in December 1997 and March 1998. The results suggested that there was a shift from temperature dominance inside the mid-shelf to substrate supply dominance outside the mid-shelf controlling the spatial variability of bacterial growth during the cold seasons. The Q(10) values for bacterial specific growth rates (B mu) derived from the winter (Q(10) = 3.4 +/- 0.3) and the spring (Q(10) = 3.3 +/- 0.3) were very similar and comparable with the values derived from other estuarine and coastal ecosystems (Q(10) = 3.1 to 3.4). Such a consistent relationship between temperature and B mu allows one to use sea-surface temperature (SST) and depth-integrated bacterial biomass to model depth-integrated bacterial production (IBP) inside the mid-shelf of the East China Sea. The B mu versus temperature curve, InB mu = -0.42 + 0.122 (+/- 0.02) x SST, derived from a previous study in the southern East China Sea was used to simulate IBP. The total difference between the measured IBP and the simulated IBP is <20%.
Relation: 22(2)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41006
Appears in Collections:[海洋環境與生態研究所] 期刊論文

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