A big conservation game for freshwater ecosystems in South Africa.

这是南非淡水生态系统的一场庞大的保护游戏。

A huge success and a big conservation game for freshwater ecosystems in South Africa.

这是南非淡水生态系统取得的巨大成功，也是一场大型保护游戏。

Or the freshwater ecosystem that really feed those forests and allow them to grow.

还是滋养了这些森林并使其得以生长的淡水生态系统。

The major conservation challenges are hunting for food and pet trade and the destruction of their freshwater ecosystem and forest habitat.

保护工作主要面临的挑战是捕食和宠物贸易，以及它们所依赖的淡水生态系统和森林栖息地遭到破坏。

Some sneaker tops are made from natural sources like leather, but tanning this material relies on chromium; a carcinogenic chemical that can damage freshwater ecosystems.

有一些运动鞋的鞋面是由皮革等自然资源制成的，但是需要依靠铬为材料进一步上色，而铬是一种能够破坏淡水生态系统的致癌化学物质。

While the eurypterines were busy competing with fish, stylonurines moved inland, to brackish and freshwater ecosystems where there were fewer placoderms and less competition.

当广翅鳍鱼忙于与鱼竞争时，苯丁鱼鱼则向内陆移动， 进入咸水和淡水生态系统， 那里的盾皮动物较少， 竞争也较少。