The faecal filth of salmon farming has driven wild salmon from many of the sea lochs and rivers of Scotland.
鲑鱼养殖过程中产生的粪便污垢把野生鲑鱼从苏格兰的许多海湾和河流中驱赶了出来。
When salmon farming first started in Europe, the fish often became infested with lice, which then spread to wild fish.
当鲑鱼养殖在欧洲开始的时候，这种鱼经常伴随着虱子大量滋生，随后虱子又蔓延到野生鱼上。
Thus, harvesting the babassu coconuts is more similar to farming than other activities involving more widely dispersed wild-growing trees or vegetation, such as rubber-tapping in the Amazon jungle.
因此，收割巴巴苏椰子与其他诸如砍伐亚马逊丛林的那种收割生长在更野外的分散生长的树或者植物相比，更与耕种相似。
IUCN classified it as "endangered" — two steps from extinction in the wild — because its habitat is being destroyed by slash-and-burn farming.
世界自然保护联盟把它列为“濒危”动物，在野外两步就能使它灭绝，即因为它的栖息地森林被砍伐和烧毁以用来种植农作物。
Caviar farming in Russia has now been largely curtailed by a ban designed to protect the Caspian Sea's wild sturgeon stocks.
俄罗斯颁布法令保护里海野生鲟鱼存量，致使俄罗斯鱼子酱养殖量大大缩减。
Experimenting with tiger farming is too risky and could drive wild tigers further toward extinction, according to the World Bank.
据世界银行表示，老虎养殖试验带来过高的危险，并存在进一步把野生老虎推向灭绝的可能。
To decrease the survival pressure of wild populations, the farming of Forest musk deer was started early in 1950s, but there are still some problems in captive populations.
为减轻林麝野外生存的压力，我国有关部门早在上世纪50年代就开展了该动物的人工圈养繁育工作。
To decrease the survival pressure of wild populations, the farming of Forest musk deer was started early in 1950s, but there are still some problems in captive populations.
为减轻林麝野外生存的压力，我国有关部门早在上世纪50年代就开展了该动物的人工圈养繁育工作。
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