这里鱼类养殖场的条件出乎意料地干净。
不幸的是，鱼类养殖仍处于初期，而且在一些地方损害多余裨益。
Unfortunately, fish farming is still in its infancy and in some places may do more harm than good.
希腊是最大的地中海鱼类养殖国，每年出口超过6万吨鲷鱼和鲈鱼。
Greece is the biggest farmer of Mediterranean fish, exporting over 60,000 tonnes of bream and bass.
农业企业主要从事农作物、家畜、家禽的生产和鱼类养殖。
Agricultural enterprises are engaged in production of crop, livestock, poultry and fish farming.
苏巴辛格认为，满足未来鱼品需求的唯一选择是开展鱼类养殖。
The only option for meeting future demand for fish, Subasinghe argues, is by farming them.
许多中国村民从事家禽，猪及鱼类养殖，也有种植园及农副产品。
Many of the Chinese villagers were engaged in poultry pig or fish farming as well as plantation and farm produce.
毫无疑问，中国的鱼类养殖是如此之烈，江河和近海已经超出了自然的承载力。
The fish farming operation is so dense that there is no question the rivers and coastal areas are beyond what nature can support.
随着海水鱼养殖规模的不断扩大，对鲆鲽鱼类养殖以及其饲料开发的研究也随之增多。
With the expansion of the size of the Marine fish farming, the breed of Japanese flounder fish and the research on the development of its feeding have also developed.
超声波增氧系统对鱼类养殖有着积极意义，但目前仅发现少数国家将超声波用于渔业上。
The ultrasonic add oxygen system for fish breeding has positive significance, but currently only found a few countries on ultrasound for fishery.
大菱鲆是目前我国鲆鲽鱼类养殖的主要品种，而市场滞怠是该产业目前面临的瓶颈问题之一。
Turbot is one of the main aquaculture species of flatfish in China, but its stagnant market is one of the bottleneck problems in aquaculture industry.
非常多的鱼类已被养殖，包括鳕鱼、鲤科鱼、贻贝、鲑鱼和鲟鱼，为世界各地的人们提供了食物。
A huge variety of fish, including cod, bream, mussels, salmon and sturgeon, is being farmed, providing food for people all over the world.
还有不必将红树林地区改造为池塘便可在这些地区进行鱼类和贝类养殖的办法，如筏式养殖和浮式网箱。
And there are ways in which cultivation of fish and shellfish can be undertaken within mangrove areas without the need for conversion of these into ponds. Raft culture and floating cages for instance.
与此同时，咸淡水养殖中心努力在将亚齐重建为东南亚鱼类和甲壳类动物顶级质量育苗场之一的进程中发挥作用。
Meanwhile the Brackish-water Aquaculture Centre aims to play its part in a process to revive Aceh as one of Southeast Asia's prestige breeding grounds for top-quality fish and shellfish.
同样，当芝加哥的研究者研究鱼类时，他们发现养殖对虾比谷物饲养的羊肉和牛肉有更高的碳强度，每大卡30.86克。
Equally, when the Chicago researchers looked at fish, they found that farmed prawns were even more carbon-intensive than grain-fed lamb and beef, with 30.86g per Kcal.
珊瑚礁不仅支持着当地渔业及旅游业，同时也成为众多鱼类的天然养殖场。
The reefs, which also support industries such as fishing and tourism, are also the nursery for numerous fish species.
而这条隧道也被用于养殖鱼类。
Greenberg认为，仅凭市场对某种鱼类有需求就尝试去人工养殖，无非是在浪费时间和金钱。
Trying to farm a fish just because there is an established market for it is a waste of time and money, argues Mr Greenberg.
预计在不久的将来，水产养殖业部门比渔业捕捞部门生产更多的鱼类供人类直接消费。
It is expected that in the near future aquaculture will produce more fish for direct human consumption than capture fisheries.
有些鱼类就是不适合人工养殖。
鲑鱼是一种现在常规养殖的食肉性鱼类，已经证实在这种鱼的饲料中混入蔬菜和其它含蛋白质的成份是可行的。
In the case of salmon, a carnivorous species that is now farmed routinely, it has proved possible to mix veggies and other sources of protein into the fish's chow.
非常多的鱼类已被养殖，包括鳕鱼、小龙虾、鲤科鱼、大比目鱼、贻贝、鲑鱼、黑鲈和鲟鱼，为世界各地的人们提供了食物和工作岗位。
A huge variety of fish, including cod, crayfish, bream, halibut, mussels, salmon, sea bass and sturgeon, are all farmed, providing jobs and food for people all over the world.
鲶鱼是世界上最普遍的人工养殖鱼类之一，每年产量数百万吨。
Catfish are some of the most popularly cultured fish in the world with millions of tons of fish produced each year.
就水产养殖来讲，鱼类遗传资源会影响养殖鱼的性能，有助于养殖渔民满足消费者的需求，甚至可以影响养殖鱼类与野生鱼类在自然环境中相互作用的方式。
For aquaculture, they affect the performance of farmed fish, help fish farmers satisfy consumer demands and even influence how farmed and wild fish interact in nature.
牙鲆、大菱鲆、真鲷是当前我国重要的海水养殖鱼类。
Flounder, turbot and sea bream are all the important Marine - culture fishes in China.
水产养殖业现在提供全世界几乎一般的食用鱼类。
The aquaculture industry now provides almost half of the fish eaten worldwide.
水产养殖业现在提供全世界几乎一般的食用鱼类。
The aquaculture industry now provides almost half of the fish eaten worldwide.
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