Many fish farms create pollution, too.
很多养鱼场也在制造污染。
The conditions on the fish farms are surprisingly clean.
这里鱼类养殖场的条件出乎意料地干净。
It slips into fish farms and quietly works through the stock.
它溜进鱼场，静悄悄地闯过水中的树枝。
Here is a natural reservoir and fish farms and a rare scenic spot.
这里既是一个天然水库和养鱼场，又是一个不可多得的风景区。
Currently, all fish labeled "Atlantic salmon" come from fish farms.
目前，所有标注“大西洋三文鱼”的鱼肉都来自人工养殖渔场。
Graduates commonly manage hatcheries, fish farms, and other aquatic habitats.
毕业后从事孵化场，渔场和其他水产养殖场所的管理工作。
The Congress is considering legislation that could permit many more fish farms.
国会正在考虑制定法律来允许建立更多的养鱼场。
A study from Canada says fish farms are a threat to some populations of wild salmon.
一项来自加拿大的研究宣称鱼场对野生鲑鱼的一些种群来说是一种威胁。
Now, almost seventy-five percent of the salmon that Americans eat comes from fish farms.
几乎美国消耗的75%的鲑鱼来自于养鱼场。
But fish farms also require attention to environmental and food safety considerations.
但是养鱼场同样需要注意环境和食品卫生方面的考虑。
Other fish farms are connected to sources of free-flowing water -- a lake, river or ocean.
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 factories have spread like wild flowers among what were once rice fields and fish farms.
大量的厂房像野花一样盛开在原来的稻田和渔场之上。
More than 800 tons of fish have died and rotted on fish farms in a lake near Taal Volcano south of Manila.
八百多吨鱼死亡并腐烂于菲律宾养鱼场，这些养鱼场位于马尼拉南部塔阿尔火山附近的湖里。
Asian carp were imported in the early 1970s to cleanse algae from Southern fish farms and sewage treatment plants.
20世纪70年代初，美国进口亚洲鲤鱼以清洗南部渔场和污水处理厂的海藻。
But Arctic air has damaged some Florida oranges and strawberries in recent days. And killed fish at tropical fish farms.
但是最近几天北极的冷空气损害了许多佛罗里达州的橘子和草莓，还杀死了热带鱼农场的鱼。
It is a relatively important food fish and cultivated in some fish farms. The fish is also available in local fish market.
斑鳢是重要食用鱼类，本港部份渔塘也有养殖，另在本地鱼市场有售。
Stephen Hall thinks they probably will, but he says the fish will increasingly come from aquaculture - fish farms in the sea, lakes or ponds.
斯蒂芬.霍尔说，他们也许还能吃得上鱼，不过这些鱼越来越多是来自建在大海、湖泊和池塘里的水产养殖场。
Stephen Hall thinks they probably will, but he says the fish will increasingly come from aquaculture - fish farms in the sea, lakes or ponds.
斯蒂芬·霍尔说，他们也许还能吃得上鱼，不过这些鱼越来越多是来自建在大海、湖泊和池塘里的水产养殖场。
Another contentious issue being debated is what will happen if these salmon escape from fish farms into the wild. AquaBounty says not to worry.
另一个引起争论的问题是，假如这些鲑鱼从养鱼场逃到野外会产生什么影响。（美国）“水恩惠”公司则说这个问题无需多虑。
Fraser salmon that take the southern route around Vancouver Island, where there is no gauntlet of fish farms to run, do not display these infections.
有的Fraser河鲑鱼的洄游路线是一路向南，绕过温哥华岛，那里还没有建立渔场，就没有出现寄生虫感染。
As overfishing threatens the world's wild fisheries, aquaculture advocates say fish farms will play a far greater role in feeding people around the world.
在过度捕鱼对世界野生渔场造成威胁的情况下，水产养殖的支持者认为养殖场将在全世界的食物供应上发挥越来越重要的作用。
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.
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。
Goldfish should be avoided because of certain treatment (copper sulfate) the fish farms use that is toxic to turtles after a certain level is reached.
请不要使用金鱼作为饲料，因为某些金鱼饲养场使用硫酸铜处理金鱼，当硫酸铜达到一定浓度时是对龟有毒的。
Some are genetically engineered on fish farms, while the rest are hooked by the mouth or netted by huge trawlers that catch and kill everything in their path.
有些是养鱼场基因改造的鱼，其余的则是嘴被钩住或是被巨大的拖网渔船网住，拖网渔船所过之处一路捕杀。
Studies by local and Norwegian scientists have found that sea lice and other parasites from the fish farms can infect the passing sockeye, reducing their chance of survival.
加拿大和挪威科学家都已经发现，来自渔场的海虱和其他寄生虫能感染经过的红鲑，导致红鲑的生存机率下降。
Studies by local and Norwegian scientists have found that sea lice and other parasites from the fish farms can infect the passing sockeye, reducing their chance of survival.
加拿大和挪威科学家都已经发现，来自渔场的海虱和其他寄生虫能感染经过的红鲑，导致红鲑的生存机率下降。
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