longline fishing boat 中文意思是什麼

longline fishing boat 解釋
延繩釣漁船
  • longline : 多鉤長線
  • fishing : n. 1. 釣魚，捕魚；捕魚權。2. 魚尾介面。
  • boat : n 1 小舟，小船，（小）艇，（大船所載）救生艇；帆船，漁船。2 汽輪〈常指小汽輪〉；郵船，大輪船。3 ...
  1. The number of fishing boat from 1999 to 2002 is 159, 100, 107 and 116, respectively. the number of different fishing boat and the species composition of different fishing gears were calculated also. furthermore, the structure of drift trammel net, set longline of baited hooks and jig and their fishing methods were described

    1999 - 2002年各年的作業漁船數分別為159隻， 100隻， 107隻和116隻，並統計了各年使用不同漁具的漁船數目以及不同漁具的漁獲物種類，另外還對三層流刺網、餌釣和滾鉤等主要漁具的結構和漁法進行了描述。
  2. ( 2 ) the fishing gears in hejiang section were divided into drift trammel net, set longline and jig according to the fishery status in hejiang section. " number of fishing boat day " was selected as the unit of fishing effort. the annual catch of the four kinds of fishing gears was get from multiplying catch per unit effort ( cpue ) by fishing effort

    （ 2 ）根據合江江段的漁業現狀，將該江段的漁具分為三層流刺網、餌釣、滾鉤和其它偶見漁具四類，以「船?天」作為捕撈努力量的單位，用單位捕撈努力量漁獲量（ cpue ）乘以年捕撈努力量分別得到這四類漁具的年漁獲量，並將這四類漁具的年漁獲量相加估算出合江江段1999 - 2002年的漁獲量分別為104563 . 464kg 、 65564 . 231kg 、 123684 . 966kg和107285 . 272kg 。
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