Yet an equally important criterion is the ability of a species to survive random global ecological catastrophes due to impacts.
然而一个同样重要的标准是，物种在随机性全球生态灾难中幸存的能力。
Following each mass extinction, there is a sudden evolutionary burst as new species develop to fill the ecological niches opened by the event.
在每一次物种大灭绝后，都有一次突然的进化爆发，因为会有新物种出现来填补灭绝创造的生态位。
Many zoologists believe that it was because so many ecological niches were available with virtually no competition from existing species.
很多动物学家认为，这是因为，在几乎没有任何现存竞争物种的情况下，有太多的生态小生境可供生存。
For ecological studies, the most important factor is collecting identifiable samples of as many of the different species present as possible.
对于生态学研究来说，最重要的是收集尽可能多的不同物种的可识别样本。
The physical structure of species competing for resources in the same ecological niche tends to gradually evolve in ways that allow them to occupy different niches.
争夺同一生态资源的物种趋向于朝着依赖不同资源的方向进化；而相互竞争的物种会逐渐改变他们的活动范围，使其领地不再重叠。
An equally important criterion is the ability of a species to survive random global ecological catastrophes due to impacts.
一个同样重要的标准是，一个物种是否有能力在全球任一生态灾难中生存下来。
An ancestral species might have adapted to exploit a particular ecological niche on one island and then traveled over water to colonize other islands.
一个原始物种可能已经适应了利用一个岛屿上特定的生态位，然后在水上迁徙到其他岛屿定居。
The resulting photographs — staggering in their beauty, startling in their originality — have brought much-needed attention to endangered species and ecological crises throughout the world.
这些经历所产生的照片——美妙绝伦、创意惊人——已经为濒危物种和生态危机带来了极为需要的来自世界范围内的关注。
As climate change and urbanization continue to reshape the ecological landscape, more species will leave their homelands-making the distinction between resident and alien a moot point.
随着气候的变化，城市化对于生态环境的改变，更多的物种会失去栖息地——使原著和外来物种的区别更模糊。
Ecological studies into the new species of Ebola that has been detected in this outbreak are also being planned.
另外也在计划对这次暴发中发现的新型埃博拉病毒进行生态学研究。
To avoid the extinction of these species, we should stop disturbing the ecological balance on our planet.
为了避免这些物种的灭绝，我们应该停止破坏我们星球的生态平衡。
Dr Maklakov suggests that the specific ecological niches which support small-brained species are exceptional and not typical of true urban environments.
Maklakov博士认为这些维持小脑袋鸟类生存的特定小生境是例外而不是典型的真正的城市环境。
In Yellow River Delta, the biological and ecological characteristics of an invasive alien species spartina were investigated.
对黄河三角洲外来入侵物种米草的生物学、生态学特性进行了观测和研究。
Everything is product of the environment. The prerequisite and key of species forming is the ecological environments, such as geography, climate, water, soil, biological chain and so on.
万物都是环境的产物，地理、气候、水质、土壤、生物链等构成的生态环境是物种成型的前提和关键。
In the arid and poor mountain lands, shrubs are used to conserve soil, water and headwater and to improve ecological environment, which can not be replaced by any tree species.
在干旱瘠薄山地，灌木保持水土、涵养水源、改善生态环境等方面具有乔木树种不可代替的作用。
As a perfect hybrid planting and a pioneer tree species in restoring vegetation, black locust is very valuable in restoring vegetation and ecological building in temperate zone of China.
刺槐作为一个理想的混交树种和植被恢复的先锋树种对我国温带大部分地区植被恢复和生态建设具有重大的意义。
As climate change and urbanization continue to reshape the ecological landscape, more species will leave their homelands-making the distinction between resident and alien a moot point.
随着气候变化和城市化继续改变着生态环境，越来越多的物种将离开它们的故乡，这也会使评判本土和外来物种越来越不重要。
Through investigate the species of zooplankton and phytoplankton and distribution of hygrophilous vegetation in Fu River's headstream, we evaluate the ecological environment in Fu River's headstream.
通过研究抚河源头水体中浮游动植物的种类及湿地植被分布状况，科学评价抚河源头水生生态环境。
Naturally, species differ in different ecological environment.
生态环境不同，物种自然存在差异。
The ecological function of plantations can be improved by using a combination of fast growing exotic species and bird dispersed native species so as to accelerate succession.
在营造速生人工林时，适当引入鸟播的野生树种，可加速人工林的自然演替速度和提高人工林的生态效益。
The biological and ecological characteristics as well as habitat condition of Picea sitchensis have been briefed; meanwhile the study direction of its species introduction has been advanced.
简要介绍了西加云杉的生物生态学特性及其生境条件，并提出了该树种引种的研究方向。
Xi said the genes of Wolbachia-infected mosquitoes are intact and the mosquitoes are safer for the ecological environment and other species, including humans.
奚说，感染沃尔·巴克氏体属细菌的蚊子其基因是不变的，因而这种蚊子的投放对生态环境和其他物种(包括人类)而言是更加安全的。
Due to the foot of the natural ecological damage to some rare species and Exotic rushed to this little world for the survival of many of the South and the North and plant specimens can be found here.
由于山下自然生态破坏把一些珍稀树种和珍禽异兽都赶到了这片赖以生存的小天地里，许多南北方的动、植物都可在这里找到标本。
Now if it were the case that ninety per cent of plants or ninety per cent of animal species were that threatened can you imagine what the ecological outcry would be?
如果是百分之九十的植物，或是动物的种类，你能想象那是怎样的生态危机吗？
However, the reducing benefits of runoff and erosion of forests has a highly correlation with the tree species' biological, ecological property and its stands structural status.
但森林削减坡面径流与侵蚀的效益与森林树种自身的生物、生态学特性及其林分结构状况等密切相关。
The species, distribution, ecological environment and amounts of natural resources of medicinal plants in Maoershan natural reserve are reported.
报道猫儿山自然保护区药用植物的种类、分布、生境及资源量。
In this study, reproductive phenology of 86 species was studied to examine the relationships between phenological characters and ecological traits in a tropical seasonal rain forest.
在本研究中，我观察了86种植物的繁殖物候（主要是开花和结果）来检测在热带季节雨林中繁殖物候参数与生态条件及植物繁殖特征之间的关系。
The consequences of the disrupted ecological balance are catastrophic, so it is imperative to conserve endangered species.
生态平衡被打破的后果是灾难性的，因此保护濒危物种迫在眉睫。
The result shows: bio ecological characteristics of these tree species can help to choose tree species for planting protective forest in their distributing area.
研究表明：上述树种的生物学、生态学特性对于其分布区内水土保持、水源涵养及防护林营建的树种选择有积极的意义和可行性；
The result shows: bio ecological characteristics of these tree species can help to choose tree species for planting protective forest in their distributing area.
研究表明：上述树种的生物学、生态学特性对于其分布区内水土保持、水源涵养及防护林营建的树种选择有积极的意义和可行性；
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