As such, they are key species for understanding and predicting impacts of global change on Antarctic and sub-Antarctic marine ecosystems.

因此，在理解和预测全球变化对南极和亚南极海洋生态系统影响方面，它们是关键物种。

youdao

These include the centuries-old custom of "bul", where leaders would call a temporary stop to fishing for key species in order to give fish stocks an opportunity to replenish.

这些传统包括几个世纪以来被称之为“bul”的旧习俗，领导人会要求暂停捕捞一些重要种类的鱼，给鱼类总储备量繁衍补充的机会。

youdao

Its conservation is key to the sustainable propagation of Antarctic species.

对它的保护对维持南极物种繁衍可持续性来说很关键。

youdao

These sites are well used by local people, the woodlands are sympathetically managed for wildlife and conservation of key species which includes co-ordinated management and felling.

BBC: Survey finds opposition to privatisation of forests

Invasive species scientist Jill Key says they must be preserved.

NPR: Common Intruders Threaten Galapagos Species

Some key prey species like sea butterflies may be harmed.

BBC: Arctic Ocean 'acidifying rapidly'