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頁籤選單縮合
題名 | 馬祖海瓜子簾蛤之永續利用(雙殼綱:簾蛤科)=The Sustainable Utilization of Ruditapes variegate in Matsu(Bivalvia: Veneridae) |
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作者 | 吳宗澤; 柏豪; 顏易君; 王建華; 邱郁文; | 書刊名 | 貝類學報 |
卷期 | 34 2010.10[民99.10] |
頁次 | 頁75-88 |
分類號 | 386.793 |
關鍵詞 | 花蛤; 海瓜子簾蛤; 生殖週期; 保育區; 遺傳多樣性; Ruditapes variegate; Reproductive cycle; Conservation area; Genetic diversity; |
語文 | 中文(Chinese) |
中文摘要 | 海瓜子簾蛤(Ruditapes variegate)俗稱「花蛤」,為馬祖重要經濟貝類和特色水產,馬祖莒光鄉也以海瓜子簾蛤為主題誰動「花蛤觀光季」。為求資源永續利用,本研究於東莒島福正港至犀牛嶼間的潮間帶調查海瓜子簾蛤之生物學資料,計劃由生殖生物學、棲地管理及族群遺傳學建立資源保育及永續利用的基礎資料。由2008年5月、8月至隔年10月進行棲地及豐度調查,每月隨機取30隻的樣本,測量殼長及計算肥滿度,並利用mtDNA上COI片段探討族群遺傳多樣性。由各樣點海瓜子簾蛤的豐度比較得知海瓜子簾蛤較適合棲息於混雜貝殼砂及礫石的海岸。迴歸分析檢視殼長與肥滿度之線性關係,結果呈正相關(P<0.001,R^2=0.5655);肥滿度結果顯示5月、6月為海瓜子簾蛤生殖季高峰,9月則進入成長期使肥滿度回升;族群遺傳多樣性分析在20佃樣本中共發現14種單基因型(haplotypes),核普酸多樣性(Pi)為0.00765,單基因型多樣性(Hd)為0.937。此外本研究發現2008年與2009年之肥滿度分析有差異,應為採集樣本數不足,需更長期的觀察來了解其生殖週期。綜合棲地因子和肥滿度分析,可作為開放採集季和規劃保護區之依據,而遺傳多樣性資料庫可提供未來海瓜子簾蛤育種管理及種苗放流之基礎資料。 |
英文摘要 | Ruditapes variegate is the major commercial mollusk. Clam Festival was formed with clam in Dong-Gui. In order to sustainable management, this study researched the information of biological science in intertidal zone in Fu-Cheng port to Si-Niou lslet of Dong-Gui. This study created the basic information of reproductive biology, habitat management and population genetics for resource conservation and sustainable utilization. In this study, take 30 individual, were randomly collected in each month between May 2008 and Aug. 2008 to Oct. 2009. And, the clams abundance and habitat were analyzed, as well as measure the shell length, calculate the fatness and the mt-DNA COT sequence analysis. We compared with habitats that the clams are more suitable in the coast which mixed sand and gravel. The result of logistic regression between shell length and fatness indicated that shell length effect the fatness positively. The results of fatness show the difference between 2008 and 2009. The clam's breeding season might be at May and June in 2008, but there were not the same reproductive cycle in 2009. So we need to collect more data to figure out their reproductive cycle. The analysis of population genetic found total of 14 haplotypes. The nucleotied diversity was (Pi) 0.00765 and haplotypes was 0.937. According to results of this study, it can provide the basic information of breeding management, label-release-recapture and create conservation in the future. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。