Estimates of Copepod Grazing Rate in South China Sea (I)

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Project title

Code/計畫編號

NSC87-2611-M019-009-AP

Translated Name/計畫中文名

南海季風實驗(II)---子計畫十七：南海橈腳類攝食速率之研究(I)

Project Coordinator/計畫主持人

Jiang-Shiou Hwang

Funding Organization/主管機關

National Science and Technology Council

Department/Unit

Institute of Marine Biology

Website

https://www.grb.gov.tw/search/planDetail?id=356802

Year

1998

Start date/計畫起

01-08-1997

Expected Completion/計畫迄

01-07-1998

Bugetid/研究經費

873千萬

ResearchField/研究領域

大氣科學
生物科學

A large-area survey was carried out in October 1996 at fifteen sampling stations in the northern South China Sea (Fig. 1). Copepods were collected form the upper 5m with a conical net (4.5m long, 1m mouth diameter, 0.33mm mesh size). Seventy-two species belonging to 32 genera of copepods were identified. The twelve most abundant species were respectively Acrocalanus gracilis, Paracalanus aculeatus, Oncaea venusta, Undinula vulgaris, Clausocalanus paululus, Acartia negligens, Corycaeus gibbulus, Lucicutia flavicornis, Cosmocalanus darwinii, Temora discaudata, Acrocalanus gibber, and Clausocalanus furcatus (Table 1), and the index of species diversity was relatively high at all stations (Table 2). The four most abundant species accounted for over 50% of the total number of the identified copepods (Fig.2). More copepods were found nearer the shore than further offshore (Fig.3.) The distribution and abundance of 12 most common copepod species at each of the sampling stations is shown in Figure 4. Statistical analysis of data for the 48 most common species shows that they fall into 4 groups (Fig.5). The stations distribution patterns of these 4 groups of species is shown in Figure 6.

Keyword(s)

南海
橈腳類
攝食速率
胃內螢光色素
光學定量儀
浮游動物
深海散射層
South China Sea (SCS)
Copepod
Grazing rate
Gut fluorescence
Optical plankton counter
Zooplankton
Deep scattering layer

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Estimates of Copepod Grazing Rate in South China Sea (I)

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