fish farms

But, some environmental activists said the size of the algae outbreak was due to pollution from industry and fish farms.

但是，一些环保活跃人士表示，这次绿藻爆发的规模之大，应归咎于工业和渔场污染。

Escapees from fish farms risk polluting these wild genes just as the parasitic lice that plague fish farms spread to salmon that swim free.

从养鱼场溜掉的鱼有污染这些野生基因的危险，它们同时把祸及鱼场的寄生虱虫传播给自由生长的鲑鱼。

Even so, output of the country's fish farms this year is expected to be down by at least 40%.

即便如此，今年智利渔业总产量预计也会下降至少40%。

They were put to work as cleaners at fish farms along the Mississippi River and in wastewater treatment systems.

它们作为清洁工被放到了密西西比河沿岸的渔场和污水净化系统中。

According to the U. N. Food and Agriculture Organization, fish farms are set to overtake wild ocean catch as a primary source of food fish.

据联合国粮食和农业组织透露，设立养鱼场的目的是为了超过野生捕鱼数量而成为食用鱼的主要来源。

Fish farms to choose a convenient place such as the traffic can be close to airports, railway stations, ferry place is ideal.

鱼场要选在交通方便的地方如能靠近飞机场、车站、轮船码头的地方最为理想。

widely used to provide oxygen in fish farms , restaurants and aquaria.

广泛应用于池塘海鲜馆水族馆中鱼儿的加气增氧。

Fish farms elsewhere are to be more tightly limited to certain designated areas within three years, Xinhua said.

其他地方的渔业养殖要在三年内严格限制在指定地区。

These wild Atlantic salmon (Salmo salar ) are a rarity, as most Atlantic salmon today spend their time on fish farms.

这些野生大西洋鲑鱼是一种珍品，因为大多数的大西洋鲑鱼今天把时间花在鱼类养殖场。

Where a flat expanse of mud flats, salt pans and fish farms reaches the Bohai Gulf, a vast ship looms through the polluted haze.

滩滩泥沼水平延伸，个个盐池和渔场直伸入渤海湾，灰色的烟雾之中，一艘巨轮若隐若现。

The acids ultimately wash into streams and rivers, destroying rice paddies and fish farms and tainting water supplies.

这些酸最终流进了溪水和河流中，稻田、鱼池和供水点的水质都受到了污染。

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，寒冷的天气使佛罗里达一些柑橘和草莓受到损害，并导致一些热带养鱼场中的鱼类死亡。

The "Cultural Revolution" , the red wasp species of fish, flowers and trees into Beijing's Purple Bamboo fish farms.

“文革”时，红虎头种鱼转入北京市花木公司紫竹院鱼场。

Other fish farms are collected connected to so? sources of ? flowing free-flowing water , -- a lake, river or ocean.

其他养鱼场都是与活水源相通的，如湖泊，江河或海洋。

Other fish farms are connect connected to source free floating sources of free-flowing water -- a lake, river or ocean.

其他的渔场会利用免费的灌溉水，湖、河或者海洋。

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。

Other fish farms are connected to sorts sources of free flowing free-flowing water , -- a lake, river or ocean.

其他养鱼场跟湖泊，河流或者大洋这种自由流动的水源相连。

Other fish farms are connected connected to sources of free-flowing water , -- a lake, river or ocean.

其它养鱼场与流动的水源连接在一起，比如湖泊、河流或者海洋。

Environmentalists contend that fish farms pollute the ocean.

环境保护者则称人工养殖场污染了海洋。

And Congress is considering legislation that could permit many more fish farms.

同时国会也正在考虑制定法律允许建立立更多的养鱼场。