Analyses on the composition of catches by purse seine from the western and central pacific ocean 中西太平洋金枪鱼围网黄鳍金枪鱼渔获时空分析
The conservation organization also believes that the eu does not do enough to reduce the bycatch of fish 总会并认为欧盟在减少间接渔获数量方面,仍然未尽全力。
Preliminary analyses on the composition of catches captured by tuna longline gear from the eastern and central pacific ocean 中东太平洋金枪鱼延绳钓渔获物组成分析
Compared with water temperature and the monthly alternatives of fish was much significant 渔获种类的季节变化比较明显,与海洋表层水温变化有关,种类的月更替率比较高。
The report found evidence of fishing in prohibited areas , use of illegal gear , and concealed harvests 报告搜集到在禁区捕鱼和利用非法渔具的证据,还找到被藏起来的渔获。
There are over 370 species of sharks worldwide . fishery by - catch is the major threat to this species 全球有超过370种鲨鱼,面对的致命威胁主要是成为渔民捕鱼时的间接渔获。
Fish samples taken in july 2003 and june 2004 with stake net from xiamen eastern waters were analyzed 摘要2003年7月2004年6月对厦门东部海域的定置网渔获鱼类进行采样分析。
The catch composition in tongshanyuan reservoir and resource assessment of large mouth buffalo ictiobus cyprinellus valenciennes 铜山源水库渔获物组成与美国大口胭脂鱼的资源量估算
Preliminary study on the catch distribution of bigeye tuna thunnus obesus longline and fishing grounds environment in the pacific ocean 太平洋大眼金枪鱼延绳钓渔获分布及渔场环境浅析