在很大程度上,格里森反对顶级群落和生物群系的论点用来反驳生态系统同样很有效。
Gleason's arguments against climax and biome are largely valid against ecosystems as well.
农业是在大自然中进行的;大自然里的生态系统中各种生物和活动相互影响,而粮食的生产正是处在这样的生态环境中。
Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.
“只有一小部分外来物种会在它们的新栖息地引发问题。”田纳西大学生态学和进化生物学教授唐·史密斯说。
"Only a small percentage of alien species cause problems in their new habitats,'' said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.
知识生态国际认为,最高法院的裁决可能对其他生物技术行业产生“深远影响”。
Knowledge Ecology International contends that the Supreme Court's ruling could have "profound effects" on other biotech industries.
因为如果我们不是(最具有创造力的生物),我们将无法在未来的生态系统中提供多少价值,这可能会使我们存在的基础受到质疑。
Because if we aren't, we won't be providing much value in future ecosystems, and that may put in question the foundation for our existence.
许多生态学家说,这些入侵物种仅次于栖息地的丧失,是对全球生物多样性的最大威胁。
Next to habitat loss, these invasive species represent the greatest threat to biodiversity worldwide, many ecologists say.
这个生态系统是生物圈中令人着迷的悖论之一:清澈而又缺乏营养的水域是如何支撑如此多产的群落的?
This ecosystem is one of the fascinating paradoxes of the biosphere: how do clear, and thus nutrient-poor, waters support such prolific and productive communities?
因此,生态系统以生物及其活动作为媒介,涉及能量和物质的循环、转化和积累。
Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
我们正目睹像海藻丛林,海洋生物群落,珊瑚礁等主要生态系统的衰落。
We are seeing a decline in major ecosystems like kelp forests, sea life communities, coral reefs and so on.
生物学上的假设包括生态变化,这些变化是由昆虫和开花植物之间的共同进化,或海洋中以海底生物为食的捕食者的进化所带来的。
Biological hypotheses include ecological changes brought about by the evolution of cooperation between insects and flowering plants or of bottom-feeding predators in the oceans.
可以说,生态系统的特性要比组成生态系统的单个生物体性质更加稳定。
We can say that the properties of an ecosystem are more stable than the individual organisms that compose the ecosystem.
这份来自生物多样性和生态系统服务政府间科学政策平台(IPBES)的报告明确指出了什么是利害攸关的以及什么需要改变。
The report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) is clear on what's at stake and what needs to change.
科莫多国家公园于1980年被官方认可,因其独特的生物多样性而成为生态旅游的热门景点。
Komodo National Park, officially recognized in 1980, is popular for ecotourism because of its unique biodiversity.
这些残骸能够维持十年,构建出一个生态系统,将鲸的沉尸作为深海生物的一片“绿洲”。
The remains (残骸) can last (持续) for ten years and build an ecosystem called a whale fall an "oasis (绿洲) " of life in the deep sea.
这样的平台类似一种活的生物,用其深入到应用系统生态环境的触角,拉入数据并将数据处理结果输出到业务系统。
These platform are like living creatures in a way, providing tentacles that extend into the application ecosystem, pulling in data and pushing it out as part of a transaction environment.
Vigyaan面向更高级的教学,这个LiveCD提供了一系列生物信息学、计算生态学和计算化学的工具。
For more advanced education, this LiveCD has a collection of bioinformatics, computational biology, and computational chemistry tools.
从草原到海洋,生态学家们发现生物的多样化能促进生态系统的生产力,增强其稳定性。
From grasslands to oceans, ecologists are finding that greater diversity tends to boost an ecosystem's productivity and reinforce its stability.
珊瑚礁里存在着大量的生物和多样的生态系统,使得它成为海洋里的雨林,但其受损尤其严重。
Coral reefs, whose profusion of life and diversity of ecosystems make them the rainforests of the sea, have suffered most of all.
野生动物、昆虫、青蛙、鸟类和土壤生物能够在生态环境的织锦中扮演他们的角色,而我们可以做好我们的事情,两者不受干涉或不需妥协。
Wildlife, insects, frogs, birds, and soil organisms are able to play their roles in the tapestry of ecology, and we are able to play ours, without interference or compromise.
“想像你每天和同样的三个人出去玩,”珀拉德补充道,他是洛杉矶加州大学生态学与进化生物学学院的一名研究人员。
"Imagine if you hung out with the same three people every day," added Pollard, a researcher in the Department of Ecology and Evolutionary Biology at the University of California, Los Angeles.
这个巨型浮囊内部有一套自给自足的生态系统,其利用太阳产生自身所需的能源,并通过生物过滤来减少水源污染。
The Physalia is a self-sufficient ecosystem that generates all the power it needs from the sun and works to reduce water pollution through bio-filtration .
生态学研究的是整体;生物学研究的是这个整体里的有机成分,这些有机成分并不比空气、水和土壤更重要。
Ecology studies the whole; biology studies the organic constituents of the whole that are no more important than air, water and soil.
生态学,即研究生物与其环境之间关系的科学,在石油地质中也很重要。
Ecology, the study of the relationship between living organisms and their environment, is also important in petroleum geology.
科学家总结道:“我们的研究结果扩展了已知的后生生物圈的范围,并揭示出,深层生态系统比我们之前想象的要复杂。”
As the scientists conclude: "Our results expand the known metazoan bio-sphere and demonstrate that deep ecosystems are more complex than previously accepted."
它们无论作为顶端掠食者还是过分捕捞的指示生物都在生态系统中扮演着重要的角色。
They can also have an important role in the ecosystem as top predators or as indicators of overfishing.
其它生物技术方法已经产生了改进食物质量和一致性的生物体或者在脆弱生态系统中清理漏油和重金属的生物体。
Other biotechnological methods have led to organisms that improve food quality and consistency, or that clean up oil spills and heavy metals in fragile ecosystems.
通常,农业化肥流入水生生态系统,促使生物急速的生长。
Agricultural fertilizers often drain into aquatic ecosystems and spur a frenzy of growth.
通常,农业化肥流入水生生态系统,促使生物急速的生长。
Agricultural fertilizers often drain into aquatic ecosystems and spur a frenzy of growth.
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