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1
題名:Maturity and Fecundity of Yellow Sea Bream (Dentex Tumifrons) in the Southern Area of the East China Sea and the Northern Area of the South China Sea    
東海南部與南海北部產赤?之成熟與抱卵數
著者:Hsi-Chiang Liu(劉錫江) ;Mao-Sen Su(蘇茂林)
出版地區:台灣
出版城市:台北市
學科:地球科學
刊名:Science Reports of the National Taiwan University ACTA Oceanographica Taiwanica
卷期:1期(1971.12)
頁碼:89-99
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

本報告所使用之tl{本乃出1 9 7 0 年1月至1 9 71 年1月血,按月於基陸及高雄魚市場採集雙拖漁船在中國東海南都及南海北部作業所漁獲之赤鯨O由成熟度係歡與那徑頻度分布之關係,可判斷赤鯨之成熟度有J用成熟度係數表示。 由成熟度係數頻度分布之月變化-~f判斷南海北部產赤鯨之產卵期是在12月至3月間,而東海南部產者則在6月左右及1 0至1 2月間之兩個期間。兩海城赤鯨之雌魚的生物位小型為1 4 0 - 1 6 0 mm (尾又長)。由各體長別之性比變化顯示尾叉長2 3 0- 2 5 0 mm 以下之赤鯨, 雌;魚較雄魚為多, 但此尾叉長以上之赤鯨則條魚多1!~雌魚。東加Fii部注:赤鯨之抱卵敏感\~巷、多於Hi海症者。
Studies on maturity and fecundity of yellow sea bream were based on samples caught by the Taiwan bull trawlers operated in the southern area of the East China Sea and the northern area of the South China Sea from January 1970 to January 1971. Frequency distributions of ova diameters demonstrated that the maturity fa.ctor could be used as a tool for measuring the ripeness of the fish. The monthly change of maturity factors suggested that the spawning season in the northern area of the the South China Sea is from December to March. For the southern area of the East China Sea two spawning seasons are suggested, one around June and the other from October to November. Fish in these two areas bcame mature when they grew to about 140‧160mm in frok length. In each area, the female outnumbers the male before the fork length reaches 230‧250 mm, however the male outnmbers the female beyond this size. The fecundity of the fish was greater in the southern area of the East China Sea than in the nortehern area of the South China Sea.


    

本卷期目次
Science Reports of the National Taiwan University ACTA Oceanographica Taiwanica 1期 (1971.12)
Taiwan in Relation with the Tectonic Framework of the Western Pacific/ Veichow C. JuanY. Wang
Preliminary Report on the Study of Wen-Yu Resources of Taiwan/ Shih-Chieh Shen
On Distribution of Biomass and Abundance of Zooplankton in Waters Surrounding Taiwan/ Tien-Hsi Tan
Population Study of Yellowfin Tuna in the Waters Adjacent to Taiwan/ Rong-Tszong Yang
Environmental Study of the Surrounding Waters of Taiwan/ Tsu-You Chu
Mineralogy, Geochemistry and Paleontology of Shelf Sediments of the South China Sea and Taiwan Strait/ Ju-Chin ChenChin Chen
Apparent Oxygen Utilization and Redox Reactions of Inorganic Nitrogen Compounds in Sea Water near Taiwan in the Kuroshio Current/ Tsu-Chang Hung
Magnetic Lineations in the Western Philippine Sea/ Chao-Shing LeeThomas W. C. Hilde
Study on the Fishes of Subfamily Scombrinae from Taiwan/ Kun-Hsiung ChangSin-Che Lee
Maturity and Fecundity of Yellow Sea Bream (Dentex Tumifrons) in the Southern Area of the East China Sea and the Northern Area of the South China Sea/ Hsi-Chiang LiuMao-Sen Su
 
   
 
   

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