extinction of species的意思|示意

Changes in land use may result in loss of habitat and extinction of species.

在土地使用的变化可能导致生境和物种灭绝的损失。

We can ignore the natural extinction of species under the normal conditions, but we must controll the extinction of species that caused by human activities.

正常条件下的物种自然灭绝我们可以置之不理，但由于人类活动造成的物种灭绝我们就必须加以控制。

The extinction of myriad biological species aroused deep concern which led people to an understanding of the special importance of protecting rare animals and plants on the brink of extinction.

无数生物物种的灭绝引起了人们的深切关注，使人们认识到保护濒临灭绝的珍稀动植物的特殊重要性。

An operation is beginning to try to save a species of crocodile from extinction.

一项行动正在展开来拯救一个鳄鱼种类使其免遭灭绝。

But the first study to look into the combined effect of both global warming and deforestation found most species are in danger of extinction.

但是，通过对全球变暖和滥伐森林的共同作用的调查，首次研究便发现许多种类都濒临灭绝危险。

Species extinction, deforestation, damming of rivers, occurrence of floods, the depletion of ozone, the degradation of ocean systems and many other areas are all experiencing acceleration.

物种灭绝、森林砍伐、河流筑坝、洪水、臭氧层损耗、海洋系统恶化和许多其他变化都在加速发生。