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昆虫多样性
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  insect diversity
     The species richness of the beetle communities was 7-23, and the Shannon-Wiener index was 1.249-2.562, suggesting a lower insect diversity as a whole.
     人工林鞘翅目昆虫群落物种丰富度在7~23,Shannon-Wiener多样性指数在1·249~2·562,昆虫多样性总体较低。 各样地鞘翅目群落之间为不相似水平。
短句来源
     A Study of the Insect Diversity in Nanyue
     南岳昆虫多样性研究
短句来源
     The highest Shannon-Wiener index(H=2.090 1) was found in the green plum stand grown in 2000.The biggest Pielou index(J=0.999 6) appeared in the stands converted from the deserted hillside land in 2001.According to the insect diversity,it was believed that undertaking the national project of "Converting the farmland to forest or grassland" was beneficial to the ecological restoration in the Jinshajiang River Gorge area.
     Shannon-W iener多样性指数则以2000年退耕还林的青梅林地为最大,H=2.090 1; Pielou均匀度指数值最高的是2001年退耕的撂荒坡地,J=0.999 6.从昆虫多样性来看,退耕还林有利于促进金沙江峡谷的生态恢复.
短句来源
     Estimation and expression of insect diversity parameters.
     昆虫多样性参数的测定和表达
短句来源
     Investigation and Analysis of Insect Diversity in Li Ju Shang Ecological Restoration Zone, Dian Chi Lake
     滇池李居山生态恢复区昆虫多样性调查与分析
短句来源
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  insect biodiversity
     The Design and Establishment of Shanghai Insect Biodiversity Information Management System
     上海昆虫多样性信息系统的设计与建立
短句来源
     In addition, the problems in the construction of insect biodiversity information system are farther discussed.
     文中对构建方法作了详细阐述,并就目前昆虫多样性信息管理系统建设中存在的问题发表了一些看法。
短句来源
     It is important for the research and protection of insects and development of Houhe National Nature Reserve to make systematic investigations on insects and study the insect biodiversity.
     对后河国家级自然保护区的昆虫系统调查,摸清该地区昆虫的家底,进行昆虫多样性的研究对于后河国家级自然保护区生物多样性的研究、保护及其发展都具有重要意义。
短句来源
     A Preliminary Study on Insect Biodiversity of Zhuanshan Lake Area in Siping.
     四平转山湖水库地区昆虫多样性的初步研究
短句来源
     The current situation and problem of the research of insect biodiversity are analyzed and discussed briefly, as well as current situation of the research of sawfly biodiversity in China.
     探讨了昆虫多样性多样性研究现状和存在的问题以及我国叶蜂多样性研究现状。
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  “昆虫多样性”译为未确定词的双语例句
     Orthopteran diversity in Yuanmou dry-hot valley of Yunnan
     云南元谋干热河谷直翅目昆虫多样性初步研究
短句来源
     Studies on Diversity of Orthopterans in Shandong Province
     山东省直翅目(Orthoptera)昆虫多样性研究
短句来源
     A Study on the Diversity of Hemiptera Insect in Huoditang Forest Farm
     秦岭火地塘林区半翅目昆虫多样性研究
短句来源
     Diversity of aquatic beetles in mountainous regions of northeastern China.
     东北山地水生鞘翅目昆虫多样性的比较研究
短句来源
     Studies on the Diversity of Coleoptera Insects Damaging the Agriculture and Forestry in the Northeast Area of China(Ⅳ)
     东北地区危害农业、林业的鞘翅目昆虫多样性的研究(Ⅳ)
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  insect diversity
Cutting of early-successional habitats can be expected to benefit insects and plants in general, whereas older grassland should show the greatest insect diversity when both mown and unmown parts are present.
      
Total insect species richness and effective insect diversity, as well as herbivore and predator species richness, were significantly, negatively related to the rate of nitrogen addition.
      
Along this gradient, total insect species richness and effective insect diversity were most strongly, positively correlated with plant species richness.
      
Do local processes scale to global patterns The role of drought and the species pool in determining treehole insect diversity
      
Host shifting by phytophagous insects may play an important role in generating insect diversity by initiating host-race formation and speciation.
      
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  insect biodiversity
Hence, this control program represents a difficult clash of values: preservation of insect biodiversity versus preservation of indigenous Pacific Islander cultures.
      
At the same time, the flower-visiting adults wouldplay an important role in pollinating various herbaceous and woody plants.Regional forest management for the conservation of insect biodiversity is alsodiscussed.
      
The conservation of insect biodiversity associated with isolated peat bogs depends on complete preservation of the edaphic ecological conditions of the fragile paleorefugial habitat island and its spatial structure.
      
Ecological Succession of a Relict Central European Peat Bog and Variability of Its Insect Biodiversity
      
Maintaining Data Integrity in Insect Biodiversity Assessment Projects
      
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The insect communities from various ecological systems of tea garden have been studied and analyzed with a ecological method. It showed that Natural Ecosystem-plot was present more species of insects than the other plots, and, with rather higher diversity indices and with lower significient dominant pest species. But Natural Restoring Ecosystem-plot, Chemical Ecosystem-plot and Biolopical Ecosystem-plot were with much lower diversity indices and less kind of species,which the dom inant pest in these plots...

The insect communities from various ecological systems of tea garden have been studied and analyzed with a ecological method. It showed that Natural Ecosystem-plot was present more species of insects than the other plots, and, with rather higher diversity indices and with lower significient dominant pest species. But Natural Restoring Ecosystem-plot, Chemical Ecosystem-plot and Biolopical Ecosystem-plot were with much lower diversity indices and less kind of species,which the dom inant pest in these plots were with high population density. While the diversity indices from the IPM Ecosystem-plot was little lower than that of natural plot but much higher than that of rest plots, single dominant pest species was unimportant. The relationship among the populations density of insect species in IpM^plot was in a banlance of less

本文对不同生态类型茶园昆虫的群落结构进行了系统研究。结果证明,自然生态区的昆虫种类最多、多样性指数最高,单一害虫优势度低;生防区、自然生态恢复区和化防区昆虫多样性指数低,单一害虫优势度高,常常频于成灾;综合防治区昆虫群落结构多样性仅次于自然生态区,远高于其它各区,主要害虫不突出,益害昆虫的种群密度处于低数平衡状态。

Biodiversity is the variety of life—from microbes to whales on Earth. It encomposscs the variety of the world's genes, species, ecosystems and landscapes——from the tops of mountains to the deep oceans. Biodiversity is of vital importance to humankind from many points of view. Insects are one of the most prevalent features of our environment. Along with humans insects live in almost every habitable place on the earth. They play a major role in decay of organic matter; they are the chief consumers of plants; they...

Biodiversity is the variety of life—from microbes to whales on Earth. It encomposscs the variety of the world's genes, species, ecosystems and landscapes——from the tops of mountains to the deep oceans. Biodiversity is of vital importance to humankind from many points of view. Insects are one of the most prevalent features of our environment. Along with humans insects live in almost every habitable place on the earth. They play a major role in decay of organic matter; they are the chief consumers of plants; they are the major predators and parasitoids of the plant eaters; and finally they serve as food for other kinds of animals and plants.

生物多样性泛指地球上物种、基因、生态系统和景观的多样性。生物多样性在许多方面与人类的生存和发展,有极其密切的关系。昆虫是世界上物种最多的生物,在生态系统中扮演着分解者、植食者、捕食或寄生者的角色,而其本身又是其它动植物的猎物。新疆阜康博格达生物圈保护区已被批准纳入国际生物圈保护网,对为何保护和利用其昆虫多样性,提出了建议。

To understand ecologically the relationship between plant community and the community and population of insect in a forest, the ecological effects that a change in the structure of plant community may have on insect community artd the population of Dendrolimus spectabilis Butter have been quantitatively analysed, based on the mathematical methods such, as canonical analysis, double screening for stepwise regression, etc, in which 9 parameters for plant community were taken as independent variables, arid 14 parameters...

To understand ecologically the relationship between plant community and the community and population of insect in a forest, the ecological effects that a change in the structure of plant community may have on insect community artd the population of Dendrolimus spectabilis Butter have been quantitatively analysed, based on the mathematical methods such, as canonical analysis, double screening for stepwise regression, etc, in which 9 parameters for plant community were taken as independent variables, arid 14 parameters for insect community and the population density of Dendrolimus spectabilis Butter were taken as dependent variables. The results show that the plar.t community of forest with a greater complexity of its vertical structure can have more effects on the diversity of predatory insect group, that the plant community with, a greater complexity of its family/species composition can have more significant effects on the diversity of parasitic insect group, and that both the above factors can bring about a significant influence on the diversity and stability of the whole insect community. The tests, based on the fisher dismination method for disminating the type of the pine lappet caterpillar population occurred with the parameters for the structure of plant community, produced the results which are consistent completely with the actual situation.

为探讨植物群落与昆虫群落及种群之间的生态关系,本文运用典范相关,双重筛选逐步回归,判别分析等数学方法,以植物群落9个参数为自变量,以昆虫群落14个参数及松毛虫种群密度为因变量,对森林植物群落结构变化对昆虫群落及赤松毛虫种群所产生的生态效应进行了定量分析。结果表明:森林植物群落以其垂直结构的复杂程度对捕食昆虫类群多样性产生较大影响,植物群落科种组成的复杂程度则对寄生昆虫多样性产生明显的影响,而且二者皆对整个昆虫群落的多样性和稳定性有显著影响。用植物群落结构参数对赤松毛虫种群的发生类别进行判别,经检验与实际情况完全相符。

 
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