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1
題名:Examining the Density-Dependent Effect on the Growth of Dolphinfish, Corphaena hippurus in the Eastern Taiwan Waters    
密度相依效應對台灣東部海域鬼頭刀成長影響之研究
著者:Kwang-Ming Liu(劉光明) ;Yu-Tsau Cheng(鄭宇超) ;Wei-Ke Chen(陳威克) ;Che-Tsung Chen(陳哲聰) ;Wei-Cheng Su(蘇偉成)
出版地區:台灣
出版城市:基隆市
學科:農林漁牧礦科學
關鍵字:年齡 ; 成長 ; 鬼頭刀 ; 密度相依 ; ELEFAN ; Age ; Growth ; Density-dependent ; Corphaena hippurus ; ELEFAN
刊名:Journal of the Fisheries Society of Taiwan
卷期:35卷1期(2008.3)
頁碼:101-115
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

本研究係利用1996年10月至1998年7月間,連續22個月於台東新港漁港所量測之鬼頭刀體長頻度資料(雌魚7054尾,雄魚2626尾),以體長頻度分析軟體(ELEFAN)估計其成長參數、死亡率、開發率及加入型態。並檢驗兩個時期之間(1996-1998和2004-2005年間)台灣東部海域鬼頭刀之成長是否有密度相依效應。以ELEFAN所估計之季節性本托蘭斐成長方程式(seasolonal von Bertalanffy)參數如下,雌魚:極限體長L=160 cm,成長係數k=0.56yr-1,理論零體長之年齡t0=-0.183yr,季節性震盪幅度C=0.9,冬季成長最低點WP=0.77;雄魚:L=172.25cm,k=0.7yr-1,t0=-0.142yr,C=0.5,WP=0.17。雌、雄分別可分離出4個(0+-3+)與3個(0+-2+)年齡群且每年均有兩個加入群,加入的高峰期在6月和10月。雌魚各年齡平均尾叉長1歲為78.04cm,2歲為113.19cm,3歲為133.26cm。雄魚各年齡平均尾叉長1歲為94.59cm,2歲為133.69cm。雌魚全死亡率Z=1.466yr-1,自然死亡率M=0.752yr-1,漁獲死亡率F=0.714yr-1,開發率E=0.487;雄魚Z=1.897yr-1,M=0.853yr-1,F=1.044yr-1,E=0.550。相較於1996-1998年,2004-2005年的鬼頭刀成長速率較快,極限體長較小,顯示在這兩個時期之間,鬼頭刀之成長可能有受到密度相依效應之影響。
A 22-month length frequency data set including 7054 females and 2626 males collected at Hsinkang fish market, Taitung County from October 1996 to July 1998 were used to estimate the growth parameters, mortalities, exploitation rate and recruitment pattern of the dolphinfish (Coryphaena hippurus) with ELEFAN. The possibility of density-dependent growth of the dolphinfish in the eastem Taiwan waters was examined on the two periods of 1996-1998 and 2004-2005. Parameters of the von Bertalanffy growth equation with seasonal fluctuations were estimated as follows: asymptotic fork length (L)=160 cm, growth coefficient (k)=0.56 yr-1, age at zero length (t0)=-0.183 yr, amplitude of seasonal growth oscillation (C)=0.9, winter point (WP)=0.17 for females; and L =172.25 cm, k=0.7 yr-1, t0=-0.142yr, C=0.5, WP=0.17 for males. Four (0+-3+) and three (0+-2+) age classes were identified for females and males, respectively. Mean fork lengths of age classes 1, 2, and 3 were estimated as 78.04, 113.19, and 133.26 cm for females. Mean fork lengths of age classes 1 and 2 were estimated as 94.59 and 133.69 cm for males. The total mortalities (Z) were estimated to be 1.466 and 1.897 yr-1 for females and males, respectively. Natural mortalities (M) estimated from Pauly's empirical formula were 0.752 and 0.853 yr-1 for females and males, respectively. Fishing mortality (F) and exploitation rate (E) were estimated to be 0.714 yr-1 and 0.487 for females and 1.044 yr-1 and 0.550 for males. The recruitment of dolphinfish in both sexes occurred in Jun. and Oct. annually. Comparing with the fish during 1996-1998, a higher growth rate and smaller asymptotic length of the dolphinfish during 2004-2005 suggested that the density-dependent effect on the growth might exist in the two periods.


    

本卷期目次
Journal of the Fisheries Society of Taiwan 35卷1期 (2008.3)
Comparison of Methods Measuring Pigmentation in Aquatic Animals and a New Application of Digital Image Acquisition and Processing/ Yew-Hu Chien
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Aquaculture, Physiology and Disease/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
Examining the Density-Dependent Effect on the Growth of Dolphinfish, Corphaena hippurus in the Eastern Taiwan Waters/ Kwang-Ming LiuYu-Tsau ChengWei-Ke ChenChe-Tsung ChenWei-Cheng Su
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Resources, Fishing, Fishery Economics and Recreational Fishery/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Nutrition, Feed and Food Sciences/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Aquatic Biology, Ecology and Environment/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
Improved Survival Under Vibrio Challenge and Enhanced Immunogene Transcription of the Pacific White Shrimp, Litopenaeus vannamei, Which Were Oral Administrated with Brown Algae Extract, Endarachne binghamiae, Via Enriched Artemia/ Saou-Lien WongChun-Hung LiuWinton ChengShinn-Pyng Yeh
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Resources, Fishing, Fishery Economics and Recreational Fishery/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
Parasitism of Two Species of Caligus (Copepoda: Caligidae) on Wild and Cultured Grouper in Viet Nam/ Dung The VoGlenn Allan BristowDung Huu NguyenDung Thi Vo
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Nutrition, Feed and Food Sciences/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
Reproductive Biology and Seasonal Condition Cycle of Five Spot Flounder Pseudorhombus pentophthalmus in Surrounding Waters of Gui-Shan Island, Northeastern Taiwan/ Shyh-Bin WangWen-Kwen ChenKwang-Ming Liu
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Aquatic Biology, Ecology and Environment/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
Effects of Shrimp Net and Cultured Eels on the Wild Population of Japanese eel Anguilla japonica in Kao-Ping River, Taiwan/ Yu-Jia LinWann-Nian Tzeng
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Aquaculture, Physiology and Disease/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
Embryo Development and Larval Rearing of Pink Clownfish (Amphiprion perideraion)/ Yuan-Shing HoChe-Ming ChenWen-Yie ChenWen-Been Chang
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Aquatic Biotechnology/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
ABSTRACT of The Fisheries Society of Taiwan 2007 Annual Conference--Aquatic Biotechnology/ JOURNAL OF THE FISHERIES SOCIETY OF TAIWAN
Two Species of Siphonostomatoid Copepods Parasitic on Marine Fishes of Taiwan/ Ju-Shey HoShin-Hong ChengWei-Chuan ChangChing-Long Lin
 
   
 
   

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