原名「台灣學術線上」
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項次 書目
1
題名:Analysis of the Morphometric Characters of the Kuruma Shrimp(Penaeus Japonicus)in the East China Sea and the Taiwan Strait    
東海及臺灣海峽產斑節蝦(Penaeus Japonicus)之外部形態分析
著者:Tzong-Der Tzeng(曾宗德) ;Shean-Ya Yeh(葉顯椏)
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:形質變異 ; 系群結構 ; 直交變值分析法 ; 集群分析法 ; Morphometric Variation ; Stock Structure ; Canonical Variate Analysis ; Cluster Analysis
刊名:Journal of the Fisheries Society of Taiwan
卷期:26卷4期(1999.12)
頁碼:203-212
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

本實驗是為了以防止箱網在大浪強流之衝擊下的網具變形,利用在箱網加上穩定索來減低箱網變形率。本實驗中,一個40 cm×40 cm×32 cm之模型傳統箱網、新設計繫留索箱網及穩定式箱網在模型水槽實驗,以四種沉子量分別繫於箱網之底部,在不同的流速及波高運作下觀查網形之變化並計測箱網網內容積之變化。其結果如下;當流速為15cm/sec而無波時,箱網之網內容積率從傳統箱網的31%提升至穩定式箱網之68%。當流強浪大時,箱網之網內容積變形率從傳統箱網的90%降低至穩定式箱網之50%。由於彈性空間之發揮,穩定式箱網有更大之箱網網內容積,當流強浪大時,箱網內飼養之魚類比傳統箱網有更大的生存空間。這實驗結果可促進發展抗浪形箱網以提高魚類養殖生產量。
Experiments were conducted on preventing deformation of net cage from waves andstrong current by reducing the deformation rate through adding the stable rope in the netcage.In this study,a 40 cm×40 cm×32 cm traditional net cage、a new design mooringrope net cage and a stable net cage were used as models in a current-wave water tank.There were 4 kinds of sinker weights fastened at the bottom of the net cage.The shapeand volume of cage were determined and measured under different flow velocity(V)andwave heights(H).The results are as follows:In case of V=15 cm/sec and H=0(waveless condition),we can determine that the relative volume ratio of the traditional net cage(35%)raised to 68% of the stable net cage.The volume deformation ratio of the traditional net cage was 90%,reduced to 50% of astable net cage during against strong waves and current.Due to the elastic space of a stable net cage creates the more inner volume of cage,the fishes reared in the cage had much more survival space then traditional net cageagainst strong waves and current.All this results will be used in the development of ananti-wave net cage for increasing the fish aguaculture production.


    

本卷期目次
Journal of the Fisheries Society of Taiwan 26卷4期 (1999.12)
Age and Growth of Two Co-Occurred Anchovy Species(Encrasicholina Puntifer and E. Heteroloba)during Autumn Larval Anchovy Fishing Season in I-Lan Bay,NE Taiwan/ Tai-Sheng ChiuChung-Ling ChenShuh-Sen Young
Examination on Recent Increase in Juvenile Catch of South Atlantic Albacore Thunnus Alalunga: Observations and Implications/ Shui-Kai ChangShyh-Bin WangShean-Ya Yeh
Analysis of the Morphometric Characters of the Kuruma Shrimp(Penaeus Japonicus)in the East China Sea and the Taiwan Strait/ Tzong-Der TzengShean-Ya Yeh
An Experimental Study on the Deformation of the Net Cages/ Kei-Chien YuSyue-Sinn LeuYau-Shou Chow
Effects of Substituting Fermented Soybean Meal for Fish Meal in Diets on Growth and Body Composition of Soft-Shelled Turtle,Trionyx Sinensis/ Chen-Huei HuangWay-Yee Lin
Captive Broodstock of Penaeus Vannamei Cultured from Postlarva in Closed Recirculating System and Its Reproduction Performance/ Koa-Jen JongJenn-Kan Lu
The Impacts of Women's Knowledge about the Nutritional Value of Seafood Products on Seafood Purchase Intention in Taiwan/ Fu-Sung ChiangShau-Yen Huang
 
   
 
   

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