The species composition of fish varied significantly with seasons , particularly high with monthly alternatives , and associated with changes of water temperature 渔获种类的季节变化比较明显，种类的月更替率比较高，与海洋表层水温变化有关。
The stock and the catches both have been in decline since 1982 , yet the annual quota established by government in the region has risen steadily since 1996 自1982年起，该品种的数目和渔获都不断下降，可是自1996年起，当地政府批出的配额却连年递增。
We are also working on the details of a fishing vessel licensing system to regulate commercial fishing with a view to tackling the problem of depletion of fisheries resources 为正视渔获资源减少问题，我们亦正制订渔船发牌制度细节，以规管商业捕鱼活动。
Nearly one third of total catches are thrown back into the sea , often dead , because they are either the wrong species , too small , or over - quota 全球几乎有三分之一的渔获由于并非渔民的捕捞目标体积太少或捕捞量超过渔获配额而被丢回海中，大部份鱼类更因而死亡。
The largest catch was occured at zhoushan fishing ground , reaching 49 . 71 % , followed at yushan fishing ground , yuwai fishing ground , shawai fishing ground and jiangwai fishing ground 渔获物重量分布以舟外渔场最多，为49 . 71 % ，其次是鱼山、鱼外、沙外、江外等渔场。
Landings of fishery products have shifted from large , slow - growing , commercially valuable fishes such as grouper , snapper and sea bream to young , small , less commercially valuable species 渔获亦从如石斑鲷鱼和鱼等体型大身长速度缓慢的高价鱼，转变为未成熟且细小的低价鱼
The laying of gas pipeline in the northeastern water further deteriorated the water and had significantly affected the livelihood of fishermen 一名与会者关注本港海水水质过去两年来的恶化情况，渔民的渔获已受影响，而东北水域铺设煤气管一事亦进一步使水质恶化，严重影响渔民的生计。
Every few hours the net is hauled up , and the cod - end , holding between 5 and 150 tons of fish , is pulled up onto the trawl deck ( the aft portion of the main deck ) 拖网每几个小时就要收起来一次，这时网囊里会有5 - 150吨不等的渔获，然后网囊会被拖到作业甲板上（主甲板靠近船尾的部分） 。
However , as fish have not been harvested at mai po since around 1996 , air - drying of the pond floor has not been carried out as often and this is beginning to have an effect on the water quality in the 但由于自1996年以后米埔已再无渔获，故并未经常风乾塘底，基围水质因而开始受到影响。
Traffic s investigation describes another widespread method of unofficial export , catches to russian carrier vessels bound for ports in japan , south korea , china , the usa and canada 调查更揭示出另一种普遍的偷运方法，不法分子利用开往日本南韩中国美国和加拿大的货轮把渔获偷运出境。
