The species richness and cell abundance of Chaetoceros were characterized by a typical seasonal pattern.
角毛藻的种类丰富度和细胞丰度具有典型的季节性特征。
The abundance of vertebrate species fell by a third between 1970 and 2006.
在1970年到2006年之间，本来丰富的脊椎动物物种减少了三分之一。
In pursuing this abundance of unknown species, researchers may find that whales are an excellent, if unexpected, place to start.
在关注如此多的未知物种的同时，研究人员出乎意料地发现从鲸入手或许是个不错的选择。
But small species of trout, char and younger salmon swim beside them in Edenic abundance.
但伴随它们洄游的小一些的鱼种如鳟鱼，南极鱼和年幼的鲑鱼，在这里有伊甸园般丰富的食物。
They're what ecologists call a "keystone" species, who control the abundance every other species, but require a habitat of sufficient size to support those other creatures.
它们是生态学家所谓的“重点”物种，控制着大量的其它物种，不过它们需要足够大的栖息地以供养其它那些生物。
With its abundance of liquid water, Earth supports a large variety of life forms, including potentially intelligent species such as dolphins and humans.
因为有丰富的液态水，地球支持着种类巨多的生命形态，包括可能是智能生物的海豚和人类。
But the research by Crowder, an insect ecologist at Washington State University in Pullman, and his colleagues, shows the importance of 'evenness' - the relative abundance of different species.
但是华盛顿州立大学的昆虫生态学家克劳德的研究显示平衡的重要性——各种物种相对充盈。
An abundance of fish, for example, is not always a sign of health in a fishery: the profusion of one species may simply be a temporary consequence of the depletion of its predators.
例如，鱼类数量过多，在渔业上并不总是状况良好的表现：一个物种的丰富，可能仅仅是其猎食者衰减的暂时结果。
The abundance of this species, often fished out early when reefs are targeted, means that the reef system here is still relatively intact.
在之前针对珊瑚礁的滥捕活动中，苏眉鱼几乎销声敛迹，现在这种鱼类的增多意味着这里的珊瑚礁系统依然相对比较完整。
Suarez has just completed further research showing that the abundance of the traded species has dropped significantly in the hunting area around one of the Waorani communities.
suarez在最近完成的一项深入研究中发现，Waorani人居住点附近的狩猎区域的买卖野生动物种类数量大幅下降。
The Mara offers wildlife in such variety and abundance that it is difficult to believe: over 450 species of animals have been recorded here.
在马拉国度自然维护区内，野生动物品种和数量是如此之大也至于都很难让人置信：已发现并肯定的动物就超越450种。
The Mara also offers wildlife in such variety and abundance that it is difficult to believe: over 450 species of animals have been recorded here.
马拉自然保护区生活着的大量野生动物种类达到了令人难以置信的数量，已有记录的动物种类就超过了450种！
This project analyses water samples collected from each processing step of tap water processing plant to get the information of the abundance and species of the bacteria in the samples.
本项目采集自来水处理厂各个处理步骤的水样进行分析，研究各步骤处理后水样中细菌的丰度和种类情况。
We found the species-abundance model is a good indicator as monitor of habitat change.
认为物种多度模型是良好的生境变化生物指示困子。
Tree density in the forest decreased with the increases of height class and diameter class, whereas species abundance did not increase.
栎类次生林乔木的密度随高度级、径级的增加而递减，但树种丰富度却不随树木的密度增加而增加。
Results indicate that the distribution of species relative abundance of paleocommunity is similar to that of living community and both have logarithmic normal distribution.
文章指出古群落和现代群落的种的相对丰度具有类似的分布，即对数正态分布。
As the index of value of species, the generalized abundance is more rationale than the number.
作为植物种的重要性指标，广义多度较个体数更为合理。
Due to lack of trees and population competition, species that are rare or with high relative abundance constitute only a small proportion.
具有较高丰富度的种类仅占很少部分，可能与乔木缺乏和种群竞争有关。
Conclusion there were 56 local species, which occupied 61.54% of Delia known in China. It meaned that there was an abundance of Delia in China.
结论地方性种56种，占据我国已知地种蝇属昆虫的61.54%，说明中国地种蝇属种类丰富。
Temporally, the species richness and cell abundance of Chaetoceros were characterized by a typical seasonal pattern, with the highest in spring and summer and the lowest in autumn and winter.
种类丰富度和细胞丰度在季节分布上表现为春夏季高于秋冬季，而在空间分布上总体表现为湾口高，向内湾逐渐降低。
There was a significant positive correlation between tree species abundance and tree density for trees of different height classes.
常绿阔叶林内不同高度级、不同径级和不同样方斑块内的树种数都与树木密度呈显著的正相关关系。
There were abundance of(more than 540 species) wild fern plant resources in Emei Mountain, of which ornamental ferns accounted for 36 families, 60 genera and 104 species.
峨眉山野生蕨类植物资源十分丰富，有540余种，其中具有较高观赏价值的有104种，分别隶属于36科60属。
The BIO-ENV analysis revealed that water depth, bottom temperature and sediment type are all the important environmental factors influencing upon the species and abundance of BBL fauna.
BlOENV分析表明，水深、底层水温及底质类型是影响海洋底边界层动物种类组成与丰皮的重妥因数。
The species composition in the insect community and the relative abundance of each group were studied in the peach orchards.
研究摸清了桃园昆虫群落的物种组成、各类群的相对多度。
The Yukeng forest community in Xianju County of Zhejiang Province has abundance of plant species, of which the dominant population is not so clearly classified.
浙江仙居俞坑森林群落植物种类丰富，优势种不明显，群落中植物种类以常绿阔叶树种为主，落叶阔叶成分也有一定比例。
The species and abundance of metal minerals increasing from SE to NW in horizon, corresponding transformation from sulfide altering orebody type to quartz vein orebody type.
同时在矿田水平方向上，由SE→NW金属矿物的种类和含量呈增加的趋势，由少硫化物蚀变岩型向多金属硫化物石英脉型变化。
The nematode's mean prevalence, prevalence, mean abundance and intensity of infection varied in different fish species.
不同宿主中，杜父鱼驼形线虫的感染率、感染丰度和感染强度差异很大。
It can affect the distribution, abundance, and dynamics of species in ecosystems.
捕食可能很大程度上影响物种的分布范围和分布格局。
It can affect the distribution, abundance, and dynamics of species in ecosystems.
捕食可能很大程度上影响物种的分布范围和分布格局。
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