[...]111: Though foxes are of recent introduction in Australia (having been brought for sport by British settlers), many marsupial predators, now extinct , were present before the arrival of man in both his Aboriginal and his European forms. 2: So the ecological system of plants, herbivores and carnivores in the eucalyptus forests would probably not have been that different in the evolutionary past. 3: A neat illustration, then, of co-evolution between three different parts of an ecosystem—and of the value, even in biology, of precise measurement.

[...]111:虽然狐狸是很晚才被引进到澳大利亚的（由英国移民出于狩猎运动的目的而带来的），但是在原始人或者欧洲人到来之前还有很多其他的有袋动物的猎食者（现在都灭绝了）。2:所以桉树林生态系统中的那些植物，素食动物肉食动物，与进化史中较早的生态系统相比，差别可能也没有那么大。3:这样一来生态系统中的三个不同角色的（植物，素食动物，肉食动物）协同进化的一张清晰的图表呈现出来。在生物学里也能进行精确的量化计算，这种尝试的价值是巨大的。

属类：时事政治-经济学人双语版-生态学里应用上了化学技术

Some palaeontologists think them members of a phylum that is now extinct .

有的古生物学家认为它们属于已经绝迹的一门动物。

属类：时事政治-经济学人双语版-加拿大出土最早动物足迹

There are many reasons to value the natural world.|| Some people want to prevent certain species from becoming extinct , others to ensure the diversity of an ecosystem, to make use of clean air and water or to revel in the beauty of a landscape.|| Happily for both mankind and the natural world, Ms Marris concludes, many such causes can be aligned.

珍惜自然环境的动因有很多。有些人是为了防止某个物种灭亡，还有些人是为了确保生态系统的多样性，或者为了能呼吸到清洁空气，喝到清洁水，抑或是为了充分享受自然美景。马里斯女士总结道，令人高兴的是，不管是对人类还是对自然环境，许多此类的动因是殊途同归的。

属类：时事政治-经济学人双语版-永恒的守护者 The constant gardene

"Globally, WWF estimates that if poaching and other threats continue, there are around 30 years left until tigers go extinct , " he told AFP.

“世界自然基金会估计，在全球范围内偷猎和其他一系列威胁依然存在的话，大概30年不到野生老虎将会灭绝”，他告诉法新社。

属类：英汉句库-article.yeeyan.org-

"An island has an economic life of its own and can support human habitations; these are extinct volcanoes, " Valencia said.

“一座岛屿是有其自身的经济生态，并且可供人类提供居住；而这些只是一些死火山而已。”瓦伦西亚说。

属类：英汉句库-article.yeeyan.org-

"These are DNA fossils, and we can always put back together and resurrect extinct species, " Feschotte says.

“这些是DNA化石，我们总有办法回过头来复活已经灭绝的物种”，Freschotte说。

属类：英汉句库-article.yeeyan.org-

Dr Manning said: "The potential for this technique to gently un-pick the chemistry of long extinct species is quite breathtaking. "

Manning博士说：“这项技术对于分析已灭绝动物化学特性的潜力是十分巨大的。”

属类：英汉句库-article.yeeyan.org-

Other species, including shellfish and plants, have also been discovered in Japan after being declared extinct , Naniwa said.

Naniwa表示，其他物种，包括一些贝类和植物，在宣布灭绝之后也相继被发现有活本存世。

属类：英汉句库-article.yeeyan.org-

"If this rate of shift continues a relatively large number of species could go extinct , " he says.

Wernberg说：“如果海藻继续大量迁移的话，很多物种将面临灭绝。”

属类：英汉句库-article.yeeyan.org-

Throughout Oceania more than 1200 bird species have become extinct and climate change is threatening to worsen the crisis, it warns.

报告警告说，整个大洋洲已有超过1200种鸟类灭绝，气候变化会使危机恶化。

属类：英汉句库-article.yeeyan.org-