keystone species
复数形式
keystone species
1
关键种, 基石物种
a plant or animal that plays a very important role in keeping the balance of its environment, and if it disappears, many other living things can be affected
- Sea otters are a keystone species because they help control sea urchin numbers.
海獭是一种关键物种，因为它们有助于控制海胆的数量。
- Wolves are seen as a keystone species in some forests.
在一些森林中，狼被视为关键物种。
- The park protects its keystone species to keep nature balanced.
公园保护其关键物种以保持自然平衡。
- When a keystone species is removed, other species can grow too much or die out.
当关键物种被移除时，其他物种可能会过度生长或灭绝。
- Losing a keystone species can harm plants, animals, and even water quality.
失去一个关键物种可能会危害植物、动物甚至水质。