They kind of all depend on these tree islands to maintain the balance of the ecosystem.

它们都依赖这些树岛来维持生态系统平衡。

Their role as a top predator helps to regulate and maintain the balance of other animals in their habitat.

它们作为顶级捕食者的角色有助于调节和维持栖息地中其他动物的平衡。

As the terminus of the food chain, apex predators play a critical role in maintaining the balance of their ecosystems.

作为食物链的终点站，顶级捕食者在维持生态系统平衡方面发挥着至关重要的作用。

They are critical to maintaining the balance of our ecosystems, and that means that it's a more productive landscape for ranchers to also graze their cattle.

它们对维持生态系统的平衡至关重要，这就意味着这片土地对牧场主来说更肥沃，也更适合放牧。

146.All of us should be grateful to what nature offers us, obey the natural laws, maintain the balance of nature and ban burning any harmful l substance and giving off carbon dioxide through the chimneys.

我们应当用感激的心回报答自然的恩赐，遵守大自然的规律，维护生态平衡，禁止燃烧任何有害物质，严禁烟囱里释放二氧化碳。