由于水产养殖、休闲渔业、观赏鱼贸易和宗教文化等原因多种外来鱼类被反复引入到拉萨河部分鱼类在拉萨河成功建群并在某些水域成为优势类群。翻译成英文

Due to aquaculture, recreational fishing, ornamental fish trade, and religious culture, multiple exotic fish species have been repeatedly introduced into the Lhasa River. Some of these fish species have successfully established populations in the river and become dominant in certain water areas.