With the increasing urbanisation of the new territories , commercial fish pond production has gradually declined 随新界地区日渐都市化，供销售的塘鱼产量逐渐缩减。
Drworm reckons that , the way things are going , commercial fish stockswill collapse completely by 2048 据沃姆博士估计，事态正朝着商用鱼类资源到2048年会完全枯竭的方向发展。
For one thing , law should be forced and observed to keep the balance of the nature by controlling commercial fishing 首先，法律应该对商业捕鱼加强监督和管制，以保持自然平衡。
There , they feed on the non - commercial fish and shrimps trapped in the pools of water at the bottom of the pond 到来虾塘觅食。这些鸟类捕食遗留在塘底水洼内没有经济价值的鱼虾。
At present , miyamae electric reels hold the top share in japans domestic deep - sea fishing - use and commercial fishing - use markets 以经验和实绩打造出的易用性和耐久性广受顾客好评。
As is shown in the pictures , we can see clearly that with the increase of commercial fishing , the number of fishes sharply decreased 如图所示，随着商业捕鱼的泛滥，鱼的数量已经显著下降。
Small scale commercial fishing fishing with passive or active gear utilizing fishing vessels of 3 . 1 gross tons ( gt ) up to twenty ( 20 ) gross tons 小规模商业捕鱼? ?使用被动或主动设备，乘3 . 1总吨到二十（ 20 ）总吨的渔船进行捕鱼。
Salmon that manage to evade the commercial fishing fleets , hungry bears , dams , and fishermen swim to their birthplaces and spawn before dying 为了回到它的出生地产卵，大马哈鱼必须从渔船、饥饿的熊、河坝以及渔网的重重围捕下逃生。
Within the monument , commercial fishing will be phased out over the next five years , although conservation groups hope to buy the remaining fishing permits 在保护区内，商业捕鱼将在未来5年里逐渐中止，尽管环保团体希望买下剩余的捕鱼许可。
Complete drain down of the ponds in winter for harvesting so that waterbirds can feed on the non - commercial fish and shrimps in the bottom of the pond 冬天捕鱼时放乾鱼塘中的水,令各种鸟类尤其是水鸟可以吃到鱼塘底部没有经济价值的鱼和虾
