When species disappear, the changes can ripple through an ecosystem.
For instance, species lost will increase at least twofold.
Why are habitats and species being lost, and what are the consequences?
And some species have vanished.如果关键物种消失,后果可能是巨大的,”海伊说,谁相信他可能已经在加勒比目睹了这一切。
If key species disappear, the consequences could be enormous,” says Hay, who believes he may have already witnessed this in the Caribbean.Combinations with other parts of speech
我们已经知道否认是最坏的情况,因为野火蔓延和物种消失,我们经历了被动的辞职。
We have come to know denial at its worst,the passive resignation we experience as wildfires spread and species disappear.每小时有三个物种消失,每分钟有20公顷的土地消失。
Three species disappeared every hour and 20 hectares of forest every minute.随着人类将草原,森林,甚至沙漠转变为耕地,种植园,原生植物种群数量减少,物种消失。
As humans convert grasslands, forests, and even deserts to food crops, plantations, and grasses for livestock,populations of native plants diminish, and species disappear.许多物种消失,冰川融化,沙漠化加剧,许多城市被洪水淹没。
Many species disappeared, glaciers melted, desertification increased, and many cities flooded.不幸的是,许多物种消失或正在灭绝像无可置疑的蝙蝠或Anjouan,Karthala和莫哈里小公爵。
Unfortunately, numerous species disappeared or are in process of extinction like unquestionable bat or the small-dukes of Anjouan, Karthala and Mohéli.目前,全世界的物种消失速度比发现速度还要快,因此生物学家对这项技术表示欢迎。
With the world losing species faster than they are discovered, biologists are welcoming the technology.但其实围栏深刻地改变了生态系统,并可能导致某些物种消失。
In fact,the fence has profoundly changed the ecosystem and may cause some species to disappear.科学家们表示,这些入侵生物已经破坏了地中海的环境,导致当地物种消失。
Scientists say the invasive creatures have damaged the Mediterranean's environment andcaused native species to disappear.但其实围栏深刻地改变了生态系统,并可能导致某些物种消失。
But fencing profoundly alters ecosystems, and can cause some species to disappear.除此之外,还有其它后果,包括更高或更低的农产量、冰河撤退、夏天时河流流量减少、物种消失及疾病肆虐。
Other consequences include higher or lower agricultural yields, glacier retreat,reduced summer streamflows, species extinctions and increases in the ranges of disease vectors.工业化农业对于推动砍伐森林绝对有责任,对于推动工业化单一作物栽培绝对有责任,而这些意味着它对物种消失负有责任。
Industrial agriculture is absolutely responsible for driving deforestation, absolutely responsible for pushing industrial monoculture,and that means is responsible for species losses.”.
Many species have vanished.
The loss of animal species can also affect humans.
One species goes extinct every 20 minutes.
The disappearance of species such as dinosaurs.
After that, 70% of the large animal species vanished.
This extinction wiped out 70% of species.
At the upper rate, thousands of species are disappearing each year.
Of all species were lost.
One living species becomes extinct every 20 minutes.
It is estimated that 75% or more of all species on Earth vanished.
At least 70% of all species were gone.
Currently between 500 and 36,000 species a year are going extinct.
So you might get whole species just disappearing because responses are slightly different.”.