The end of evolution : dinosaurs, mass extinction and biodiversity

The end of evolution : dinosaurs, mass extinction and biodiversity
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进化的终结:恐龙、大规模灭绝和生物多样性

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发表时间:
1995
期刊:
影响因子:
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通讯作者:
P. Ward
P. Ward
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文献类型:
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作者:
P. Ward

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有三次“大规模”的大规模抗议。第一次是大约2.5亿年前,几乎所有出现在陆地上的动物都被消灭了。第二个,更著名但可以说不那么灾难性的,是大约6500万年前恐龙的灭绝。第三次是在上一次冰河时代结束时。沃德教授是一位古生物学家,他描述了这三个事件,并认为前两个事件有着复杂的原因(他认为不仅仅是小行星撞击杀死了恐龙)。这第三个事件是不同的-只有一个原因,这是人类。善意的“科学”发明正在造成相当多的损害。沃德是悲观的,但提供了一些建议,可以使结果略好于它可能是。沃德描述了他的实地考察,包括与鲨鱼为伴的水下事件,并引用了事实和数据,其中许多都没有在科学期刊之外发表。
There have been three "great" mass extinctions. The first was about 250 million years ago, when almost all the animals that had emerged onto dry land were destroyed. The second, more famous but arguably less catastrophic, was the demise of the dinosaurs about 65 million years ago. The third began at the end of the last Ice Age. Professor Ward, a palaeontologist, describes all three events, giving his view that the first two had complex causes (it wasn't just the asteroid impact that killed the dinosaurs, he believes). This third event is different - there is only one cause, and it is humans. A fair amount of damage is now being caused by well-intentioned "scientific" invention. Ward is pessimistic, but offers some suggestions that could make the outcome slightly better than it might otherwise be. Ward describes his fieldwork, including underwater episodes with sharks for company, and cites facts and figures, many of which have not been published outside scientific journals.