accidental species

基本解釋

Introductions of new species, both accidental and deliberate, over the past few centuries show the problem.
在過(guò)去的幾百年里，不管是有意地還是無(wú)意地引進(jìn)新物種，都暴露出一些問(wèn)題。
Lewison said that long-lived species are particularly affected by accidental entanglement in fishing lines, because these species take so long to reproduce.
劉易森稱(chēng)，長(zhǎng)命物種很容易被釣絲意外纏住，因?yàn)檫@些生物需要很長(zhǎng)時(shí)間才能繁殖。
Noting the decline in hunts of whales and other sea mammals over the last few decades, the IUCN said accidental killing in fishing gear was now the "main threat" to these species.
注意到在過(guò)去幾十年間捕殺鯨魚(yú)和其他海洋哺乳類(lèi)動(dòng)物的下降，IUCN 說(shuō)，在漁具中的意外死亡現(xiàn)在是這些物種的“主要威脅”。
treasure.1x1y.com.cn

In summary, Dr Saetre and his colleagues have vindicated Dobzhansky and thus confirmed a mechanism for the origin of species that is directly caused by natural selection, rather than being an accidental by-product of it.
ECONOMIST: Evolution