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Please use this identifier to cite or link to this item: http://scholars.ntou.edu.tw/handle/123456789/14617
Title: 臺灣西南沿岸海域重要經濟蝦類之生態學研究-II.大鵬灣熊蝦之向海洄游 Ecological Studies on Commerically Important Prawns from the Coastal Waters of Southwest Taiwan-ⅡEmigration of Penaeus Semisulcatus from Dapong Bay
Authors: 蘇茂森
廖一久 
Issue Date: 1987
Publisher: 臺灣水產學會刊
Journal Volume: 14
Journal Issue: 1
Start page/Pages: pp.49-59
Abstract: 
為長期利用本省週圍水域內之漁業資源,實施網目限制式之資源管理,乃一極為可行之對策。蝦類向為本省近海小型單拖網漁業之主要漁獲對象,本試驗卽針對綱目對其選擇作用之影響,採覆蓋網法(Covered net method),於臺灣北部漁場,進行76網次之實驗,其結果如下:1.主要漁獲物種類有劍蝦、白鬚蝦、厚殼蝦、灰海鰻、烏賊、日本白口、錦鱗蜥魚等七種。2.蝦類的漁獲平均體長因應綱目規格之擴大而增加,但漁獲尾數則相對減少。3.同一網目規格對同體長之三種蝦類之選擇率甚為相近。4.厚殼蝦於本試驗漁期及漁場幼稚者佔很大之比率。5.50%選擇點體長(L0.5,in mm)與網目規格(Me,in mm)之關係:劍蝦:L0.5=4.9590 Me-122.3852白鬚蝦:L0.5=5.9836 Me-155.75416.就主要漁獲物劍蝦而言,其商業體長若以45~50 mm以上為對象時,以採行34.2 mm之網目限制為宜;若提高為80~85 mm以上之商業體長時,則以採行41.3 mm之網目限制為宜。
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44859
http://scholars.ntou.edu.tw/handle/123456789/14617
Appears in Collections:海洋中心

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