青蝦繁殖快,適應性強,生長迅速,一般以大水麵放養、池塘套養等為主。青蝦能自然繁殖,一次投苗以後,隻要合理捕撈,適時輪捕,可長期受益。
由於青蝦棲息環境和生活習性特殊,其捕撈方法也有許多不同的特點。
一、網捕。主要有蝦拖網、扒兜網,蝦罾、蝦抄網、tangxiawangdeng。xiazengshiyizhongchangyongdechengfangxingdexiaoxingfuwangyuju,zuoyeshijiangzhuangyouerliaodezengwangfushezaigoutanghuohubodejinanqianshuiqu,liyongxialeixiqixiyushuibiandecaocongdiquhetanshidexixing,youqijinruzengneierdadaobuhuomude。xiachaowangzeshituichaoxingdebuxiayuju,shiheqianshuiquzuoye,youyutuichaoduiqingxiaqixihuanjingyoupohuaizuoyong,zailunbushibuchangshiyong。xiatuowang、扒兜網、趟蝦網都是在大水麵中用船帶動作業的漁具,捕獲量大,適合在湖泊等增殖青蝦的水域作業。
二、duanbu。xiaduanshiyongyuhubodengdaxingshuiyudelanzushizhaboleiyuju,zuoyeshiyongzhuzibianchenglianzhuang,sheyuqianshuiduocaoyouliudehubianhuogangwanchu,landuanxiadequlu,youqijinruduanneidexialouzhongerdadaobuhuomude。xianzaidaduogaiyongwangboerbuzaishiyongzhulian。youyushiyizhongdingzhixingyuju,zaihubozhongyingyongjiaoguang。
三、籠捕。這是輪捕中最常采用的漁具,有蝦籠、地籠等。蝦籠是竹篾編成的呈“人”zixingdeyouxianshilongxingyuju,zuoyeshilongneizhiyouxiangweishiwu,fangzhishuicaoduodeqianshuiqu,youxiarulongmishishixiabeibuhuo。dilongzeshiyitiesizuogujia,yongwangyiweizhiercheng,chengchangfangtixing,xiaodechang2~3米,大的有10米長,其寬高一般為20~30×20~30厘(li)米(mi),兩(liang)邊(bian)均(jun)間(jian)隔(ge)設(she)誘(you)洞(dong),底(di)部(bu)有(you)石(shi)龍(long),使(shi)地(di)籠(long)沉(chen)水(shui)底(di),一(yi)般(ban)把(ba)地(di)籠(long)設(she)在(zai)池(chi)塘(tang)周(zhou)邊(bian)淺(qian)水(shui)區(qu),小(xiao)地(di)籠(long)也(ye)內(nei)置(zhi)誘(you)餌(er),其(qi)捕(bu)撈(lao)效(xiao)果(guo)相(xiang)當(dang)好(hao)。還(hai)有(you)一(yi)種(zhong)小(xiao)方(fang)籠(long)規(gui)格(ge)大(da)致(zhi)為(wei)30×20×10(厘米),內分兩格,一為誘蝦格,一為內層誘蝦並能倒蝦的格,其輪捕青蝦效果也相當不錯。
四、窩wo捕bu蝦xia把ba。這zhe是shi一yi種zhong常chang用yong的de窩wo抄chao式shi漁yu具ju,作zuo業ye時shi行xing將jiang樹shu枝zhi,水shui草cao紮zha成cheng的de蝦xia窩wo置zhi於yu水shui中zhong,誘you蝦xia前qian來lai棲qi息xi,然ran後hou用yong抄chao網wang把ba窩wo中zhong的de青qing蝦xia取qu出chu即ji可ke。
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