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題名:A Preliminary Survey on Primary Productivity Measured by the 14C Assimilation Method in the KEEP Area    
KEEP海域內以14C吸收法測量初級生產力之探討
著者:Fuh-Kwo Shiah(夏復國) ;Gwo-Ching Gong(龔國慶) ;Kon-Kee Liu(劉康克)
出版地區:台灣
出版城市:台北市
學科:地球科學
關鍵字:浮游植物 ; 海洋生態 ; 東海南部 ; 黑潮 ; Phytoplankton ; Marine Ecology ; Southern East China Sea ; Kuroshio
刊名:ACTA Oceanographica Taiwanica
卷期:34卷1期(1995.1)
頁碼:1-15
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

本文報導在KEEP海域內以14C吸收法測量初級生產力之初步結果。調查時間為1994年5月4日至10日,地點為位於KEEP-Key測線上的4個測站。測站1為近岸站,測站8及11代表湧升流站,測站17為黑潮站。初級生產力隨測站及取樣深度而異;測值在第1站最高(134mgC m-3 d-1),第17站最低(11mgC m-3 d-1)。透光層積分初級生產力在第1,8,11及17測站分別為1901, 418, 1537及425 mgC m-2 d-1。第1及11測站的高初級生產力及透光層積分初級生產力可能與高養分(如硝酸鹽)供應速率有關。葉綠素單位生產力值界於0.6到10.9 mgC mgChl-1 h-1之間,以第8及11測站較高。初級生產力及葉綠素單位生產力在此四測站均有隨水深而遽減之現象,顯示光線對此二參數之重要性。現場培養法所得之透光層積分初級生產力值(569mgC m-2 d-1)較船上培養法高出36%,此可能肇因於現場培養裝置之置放方式使得培養瓶之水深位置較原先計劃中之水深為淺。
Primary productivity (PP) at the four sampling stations in the KEEP (Kuroshio Edge Exchange Processes) area, which located on the southern East China Sea north of Taiwan, was measured by the 14C assimilation method from May 4 to May 10, 1994. Stations 1, 8 and 11 and 17 represented the coastal, the upwelling and the Kuroshio waters respectively. PP varied among stations and depths, ranging from <11 to 134 mgC m-3 d-1 with the highest and lowest values observed at stations 1 and 17 respectively. The euphotic zone integrated productivity (EIP) for stations. 1, 8, 11 and 17 were 1901, 418, 1537 and 425mgC m-2 d-1 respectively. Higher PP and EIP values and chlorophyll a concentration observed at stations 1 and 11 might be explained by the high nitrate supply rates. Normalized productivity (pB) ranged from 0.6 to 10.9mgC mgChl-1 h-1 with higher values observed at stations 8 and 11. Both PP and pB decreased exponentially with depth at all sampling stations, indicating a possible effect of light exerted on pB. The EIP value derived from the in situ incubation (569mgC m-2 d-1) was 36% higher than that of the on deck incubation. This might be due to the tilting of the in situ incubation array which allowed the in situ bottles to expose to higher light level.




本卷期目次
ACTA Oceanographica Taiwanica 34卷1期 (1995.1)
A Preliminary Survey on Primary Productivity Measured by the 14C Assimilation Method in the KEEP Area/ Fuh-Kwo ShiahGwo-Ching GongKon-Kee Liu
A Preliminary Study of SAR Imagery on Taiwan Coastal Water/ Nai-Kuang LiangAntony K. LiuChich Y. Peng
Adsorption Capacity of Heavy Metals in Taiwan Sediments/ Tsu-Chang HungShin-Shan Chen
The Counter Current Southeast of Lanyu Island/ Cho-Teng LiuYih YangShih-Pei ChengCheng-Sung WangQin-Yu Liu
屏東縣近海鮪釣漁業最適經濟漁獲分析/ 王健雄朱志勇何明潭李存富葉裕民杜維融
In vivo Fluorescence-derived Chlorophyll a Concentration in the Southern East China Sea/ Gwo-Ching GongWen-Rong YangJeng Chang
 
   
 
   

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