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題 名 | 遠隔魚探機在定置網漁業上應用之研究(1)--魚群進出箱網行動及網型變化情況之觀察=Application of Telesounder in Setnet Fishery(1)--Monitoring Fish Behaviour and Setnet Configuration |
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作 者 | 鄭火元; 劉仁銘; 歐錫祺; | 書刊名 | 國立高雄海專學報 |
卷 期 | 11 1996.04[民85.04] |
頁 次 | 頁83-102 |
分類號 | 439.22 |
關鍵詞 | 定置網; 遠隔魚探機; 魚群行動監測; 網具水中實態; Setnet fishery; Telesounder; Fish behaviour; Net configuration; |
語 文 | 中文(Chinese) |
中文摘要 | 定置網漁業為被動性之漁具與漁法,因此,掌握魚群入網動向及時機,與其漁獲 效率有密切之關係。本文旨在應用遠隔式魚探機來監測魚族進出定置網之箱網之行動及觀測 網型在水中變化情況。民國 82 年起至 84 年 3 月至 6 月間,在屏東縣竹坑滿豐定置漁場 進行試驗。由試驗結果顯示註漁場漁獲魚種中約有 65% 之魚族行夜間活動入網,35 % 以日 間入網為主,其中浪人�銵] Caranx ignobilis )幾乎為夜行性魚類,而圓花鰹則日行性魚 類。本漁場在流速大於 0.4m/s 時,網具隨即變型,影響魚族入網。 |
英文摘要 | Setnet fishery is a passive fishing gear and method. Being able to determine appropriate catching time is very important to increase the fish catching efficiency for such a fishery approach. This paper describes a method that uses telesounders to monitor the through-tunnel fish behaviour for fishman to determine when to catch fish in the net. This method has been gone through a field test in the Mangfon Setnet Fishery Ground at Chukan, Pinton, Taiwan, from march to June, 1993. The fish behaviour monitored by the telesounders in this test shows that 65% of the fish is more active in the evening and 35% of the fish is more active in the day time, Caranx ignobilis is very active in the evening and Auxis tapeinosoma in the daytime. |
本系統中英文摘要資訊取自各篇刊載內容。