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、籪duan捕bu。蝦xia籪duan是shi用yong於yu湖hu泊bo等deng大da型xing水shui域yu的de攔lan阻zu式shi柵zha箔bo類lei漁yu具ju,作zuo業ye時shi用yong竹zhu子zi編bian成cheng簾lian狀zhuang,設she於yu淺qian水shui多duo草cao有you流liu的de湖hu邊bian或huo港gang灣wan處chu,攔lan斷duan蝦xia的de去qu路lu,誘you其qi進jin入ru籪duan內nei的de蝦xia簍lou中zhong而er達da到dao捕bu獲huo目mu的de。現xian在zai大da多duo改gai用yong網wang箔bo而er不bu再zai使shi用yong竹zhu簾lian。由you於yu是shi一yi種zhong定ding置zhi性xing漁yu具ju,在zai湖hu泊bo中zhong應ying用yong較jiao廣guang。
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20~30×20~30limi,liangbianjunjiangesheyoudong,dibuyoushilong,shidilongchenshuidi,yibanbadilongshezaichitangzhoubianqianshuiqu,xiaodilongyeneizhiyouer,qibulaoxiaoguoxiangdanghao。haiyouyizhongxiaofanglongguigedazhiwei30×20×10(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、wobuxiaba。zheshiyizhongchangyongdewochaoshiyuju,zuoyeshixingjiangshuzhi,shuicaozhachengdexiawozhiyushuizhong,youxiaqianlaiqixi,ranhouyongchaowangbawozhongdeqingxiaquchujike。
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