如今,我们想当然地认为它们是水平的条状植物群落。
Today we take for granted that they're horizontal bands of plant communities.
提出的理论是,当未利用资源数量增加时,植物群落更容易受到入侵。
The suggested theory is that a plant community becomes more susceptible to invasion whenever there is an increase in the amount of unused resources.
先驱者和演替植物群落据说是以1-500年的时间区间变化的。
Pioneer and successional plant communities are said to change over periods from 1 to 500 years.
但在冰河时代,这些植物群落实际上一起生长,彼此混杂在一起。
But during the Ice Age, these plant communities actually grew together, mixed with one another.
植物群落可以自由地聚集,并且,它们的特殊结构由该区域的具体历史情况所决定。
Plant communities assemble themselves flexibly, and their particular structure depends on the specific history of the area.
生态学家使用“演替”一词来指植物群落和生态系统随时间发生的变化。
Ecologists use the term "succession" to refer to the changes that happen in plant communities and ecosystems over time.
如果一种外来植物入侵了地上的动植物群落,就会改变地上群落和地下土壤群落之间的联系。
If a nonnative plant species invades an above-ground community of flora and fauna, it can alter links between the native above-ground community and the below-ground soil community.
对 Clementsian 关于植物群落概念的反对意见最早是由HerbertGleason 提出的,并且获得了很多其他生态学家的支持。
The opposition to the Clementsian concept of plant ecology was initiated by Herbert Gleason, soon joined by various other ecologists.
由于植物提供资源的方法不同,在不同的植物种类和组成不同的植物群落下形成了独特的土壤群落。
As a result of these diverse methods by which plants supply resources, unique soil communities form under different plant species and under plant communities that differ in composition.
当季节变得更分明,植物群落逐渐分开,也就意味着任何一个特定的地区的植物种类多样性都会降低。
When the seasons became more distinct, the plant communities were pulled apart, that meant, in any given area, there was less plant diversity.
碳酸盐岩沉积物,特别是生物礁,只有在现代海洋动物群落和植物群落生态学详细资料的帮助下才能获得有益的研究成果。
Carbonate sediments, in general, and reefs, in particular, can only be studied profitably with the aid of a detailed knowledge of the ecology of modern Marine fauna and flora.
最近的一项研究表明,北极和它所孕育的动植物群落可能会发生永久的变化,因为全球变暖效应在地球的极点已经变得越来越敏感。
A separate study recently indicated that the Arctic and its flaura and fauna may be changing forever as the global warming has been more accute around the top of the world.
浮游植物群落盘绕在在2010年2月18日的阿拉伯海上,形成翠绿缎带般的纷乱涡流。
Phytoplankton swirled across the Arabian Sea on February 18, 2010, drawn into thin green ribbons by turbulent eddies.
克莱尔·克雷曼鼓励农民们在农田周围种植植物群落来帮助解决栖息地的问题。
Claire Kremen encourages farmers to cultivate the flora surrounding farmland to help solve habitat problems.
关于雨林中的动植物群落的消亡,我们早已有所听闻。
We've been hearing for some time about the loss of flora and fauna in our rain forests.
他们是沙漠中更大的动植物群落的基石。
They're the desert's building blocks for larger communities of plants and animals.
我们认为2700万年前之后某个时间旱季长度的增加导致了埃塞俄比亚高原上那些植物群落的消失。
We think that an increase in the length of the dry season sometime after 27 million years ago caused the loss of those plant groups on the Ethiopian Plateau.
随后的五千万年中,这些植物群落与水流协同演化,造就了当今我们所看到的蜿蜒而行的河流,昔日沿河两岸的贫瘠景象已然变得郁郁葱葱、生机盎然。
Over the next 50 million years this co-evolution of flora and flow led to the meandering rivers we know today, and a barren landscape made lush.
植被是一个地区植物群落的总体,是对于生态环境因素的综合反映。
Vegetation is a collectivity of the phytocommunity in a region and is a synthetical reflection about the ecological environment.
森林生产力是森林生态系统中作为第一性生产者植物群落结构与功能的综合体现。
As the primary producer of forest ecosystems the forest productivity reflects the structure and function of plant community synthetically.
水流不仅能影响水生植物群落结构和物种分布,还能影响其繁殖传播、新陈代谢过程和形态特征。
Water flow can affect structure of the community and species distribution, as well as the production, metabolic processes and morphological characteristics of macrophytes.
用种面积曲线和群落系数面积曲线的方法对宜昌梅子垭地区一种主要植物群落类型的最小面积进行了研究。
The minimum sampling area of a major plant community in Meiziya Region was studied by using methods of species area curves and community coefficient area curves.
碳酸盐岩沉积物,特别是生物礁,只有在现代海洋动物群落和植物群落生态学详细资料的帮助下才能获得有益的研究成果。
Carbonate sediments, in general, and reefs, in particular, can only be studied profitably with the aid of a detailed knowledge of the ecology of modem Marine fauna and flora.
基地水文评估包括调查土壤、水生生物需水深度、湿地植物群落等其它方面。
Site hydrology assessment includes investigations into other areas like soils, depth requirements for aquatic organisms, wetland plant communities, etc.
这里植物群落都是依山而生的,层次分明。
Plant groupings are different on different levels of the mountain with clear distinctions.
景观设计师运用本区周围的本土植物群落来塑造景观,将加利福尼亚本土风景种进住宅区。
The landscape architect used plant communities from the surrounding landscape to form the site, bringing an experience of the surrounding native California landscape into the residence.
该模型用于模拟发生严重荒漠化的鄂尔多斯高原植物群落的季节及年生长、叶片投影盖度、蒸发系数。
The model was developed to simulate seasonal and annual growth, foliage projective cover (FPC), and evaporative coefficient in the Ordos plateau, where serious desertification happened recently.
通过植物群落的种植设计,追求良好的生态环境。
The plant communities and design are used for better ecological environment.
人们已认识到生物分类和植物群落分类是平行的。
The parallelism in the classification of organisms and phytocoenosis is realized.
森林层次结构较为完整,乔、灌、草各层次间分化清晰:(5)植物群落分布的连续性明显及群落生产力水平低等群落特征。
Comparatively intact forest layer, the clear layer of the arbores, thicket and vert. (5) Obvious continuity of vegetation community's distribution and poor productivity of community.
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