海洋渔场生态环境质量状况的评价与保护是海洋渔业资源和渔业生态环境的基础。
The quality assessment of Marine fishing ground ecological environment is the base for protecting Marine fisheries resource and fisheries ecological environment.
大陆架的浅海区是海洋植物和海洋动物生长发育的良好场所，全世界的海洋渔场大部分分布在大陆架海区。
The shallow continental shelf area is of marine plants and marine animals, growth and development of a good place, the majority of the world's marine fisheries are located in continental shelf waters.
淡水资源和海洋资源日益受到污染；土壤和一度丰富多产的渔场日趋贫瘠。
Freshwater and Marine resources are increasingly polluted; soils and once-prolific fisheries are growing barren.
他们研究了半个世纪以来世界上所有的渔场，其研究方法并不是为了试图估算特定区域的海洋中实际生物总数（活着生物的总数），而是研究单位面积中海洋生物数量发生的变化。
Their methods de not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.
监管技术的存在还有益于设立海洋保护区，造福于保护区以外的渔场。
The existence of policing technology will also make it easier to set up Marine reserves in which fish can breed, to the benefit of fisheries outside these protected areas.
其他的渔场是与自由流动的水源相连的，比如一个湖，河或者海洋。
Other fish farms are connected to sources of free-flowing water -- a lake, river or ocean.
除了仅有的几个例外，如在阿拉斯加、冰岛和新西兰经营良好的渔场，海洋中鱼类的数目只相当于一个世纪前的小小片段。
With a few notable exceptions, such as well-managed fisheries in Alaska, Iceland, and New Zealand, the number of fish swimming the seas is a fraction of what it was a century ago.
它说，世界上的海洋、湖泊和河流已经捕捞到极限。它还表示，更多鱼必须在水产养殖项目或渔场内生产。
It says the world's oceans, lakes and rivers are fished to their limit, and it says more fish must be produced in aquaculture projects or fish farms.
湛江市和阳江市是粤西地区重要的沿海城市，舟山群岛则是我国著名渔场，海洋资源相当丰富。
Zhanjiang and Yangjiang are important coastal cities in the west of Guangdong province. Zhoushan archipelago is a famous fishery of our country with abundant oceanic resources.
湛江市和阳江市是粤西地区重要的沿海城市，舟山群岛则是我国著名渔场，海洋资源相当丰富。
Zhanjiang and Yangjiang are important coastal cities in the west of Guangdong province. Zhoushan archipelago is a famous fishery of our country with abundant oceanic resources.
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