生态灭绝

These algorithms, indicative of ecological adaptations for habitat use, combined with those adjusted with craniodental measurements for estimating the dietary preferences of bovid species, have the potential for characterizing the paleoautecology of extinct taxa and may be used in paleoenvironmental reconstruction.

这些表征生境利用的生态适应函数与那些用颅齿部性状建立、用于推测牛科动物食物选择的函数结合，具有刻画已灭绝的分类类群的古个体生态学和重建古环境的潜力。

All groups of living things and the internal extinctive mechanism of fish species should be studied for conserving organisms in wetland ecosystem.

为了保护湿地生态系统中的生物，应重视生物各大类群的研究，加强鱼类物种灭绝内在机制的研究，引进物种应按照严格的法律程序。

Abundance of salt-alkaline megatherm Classopollis-Ephedripites assemblage in a limited time illustrates a short duration of dry hot climate by latest Cretaceous. Such extreme climatic change and ecologic overturn are possible causes of the dinosaur extinction in the study area. Other factors, such as asteroid impact and large volcanic eruption triggering global mass extinction caused the regional climate change.

嘉荫群上部渔亮子组中膏岩层和耐高温、抗盐碱的克拉梭粉-麻黄粉组合在短时间内的大量出现，说明晚白垩世末期出现有短暂的干热气候，这种气候的突然转变以及伴随的生态系统的紊乱可能是嘉荫地区恐龙大量死亡的重要原因，但不排除诸如天外星体碰撞地球、大规模火山喷发等引发白垩纪末恐龙全球灭绝的因素，后者更可能是引起气候变化的直接因素。

Because of local government ' s construction and population increasing in recent years many rare and endangered plants are extincted ,meanwhile forest systems are damaged .

由于近年来井冈山林区的城市化建设以及人口增加过快等因素的影响，致使许多珍贵稀有植物濒临灭绝，森林生态系统遭到严重破坏。

In many places the bad water quality has already created serious environmental problems and made some water livings become extinct.

在很多地方，水质的恶化已经造成了严重的生态失衡，并使部分水生物种灭绝。

If the elephant disappears,scientists say,many other animals will also disappear from vast areas of forest and savanna,greatly changing and worsening the whole ecosystem.

使科学家们担心的是，非洲象已经成为濒临灭绝的物种，科学家们说，如果大象消失的话，其它动物也将会从广阔的森林和草原上消失，将大大的改变和恶化整个生态系统。

The large-scale construction of the dam is seriously destroying the ecological balance of surrounding areas, the extinction of the Chinese river dolphin and the tragedy of the Chinese sturgeon are a result of the form people's attitude to nature has taken.

大坝的大量建设严重破坏了周边地区的生态平衡，白鳍豚的灭绝和中华鲟的悲剧都是人类这种模式自然的态度造成的

That is not to say there will be no extinctions in a tightly wrapped ecosystem.

不过这并不是说，在这个被包裹的严严实实的生态系统中，就没有什么灭绝的事情发生。

While mass extinctions are taking place in natural ecosystems, the same has taken place in domesticated seeds.

而大规模的灭绝事件发生的自然生态系统，同时已发生了驯化种子。

This action, according to the company, has forced indigenous people off their land, pushed orangutans to the brink of extinction and jeopardized the eco system.

这一行动，根据该公司，迫使土著人离开他们的土地，推猩猩灭绝的边缘，损害了生态系统。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。