群落
- 与 群落 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The auther studied the community ecology of soil pro-tozoa by chosing the five representative forest types,korean-pine-broad-leaved forest,broad-leaved-korean-pine forest,korean-pine forest,broad-leaved forest andsylvesfriformis-pine forest in the coniferous-broadleaved mixed forest zone on northern slope of ChangbaiMountain during the summer of 1985-1987 in order tounderstand the composition of species and number of soilprotozoa in different forest types of the coniferous-broad leaved mixed forest zone;species dibersity indexand evenness index of soil protozoa in community;pro-tozoan density and biomass;noteworthiness of the re-gularity of protozoan number variance;distributionpattern in community;horizontal distribution;relation-ship of vertical distribution and soil micro-environ-ment etc.,and compare the similarities and differencesof these five forest types according to feature ofsoil protozoan community,and finally summarize thetheoretical regularity,the index or the evidonceof the best forest-type structure.
本文工作的目的是通过对不同林型下土壤原生动物的群落组成,群落结构特征的研究,以及对凋落物分解过程中原生动物种类和数量的初步调查,来探索土壤原生动物在指示环境条件和林型结构特征方面的可能性作用。
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The paper studies mostly: the community structure of Orthoptera, fauna analysis, species diversity, similarity of insect community in different habitats, the analysis of ecological species group, and the origin and evolution of insect and plant community in Daqinggou Nature Reserve.
主要内容包括:直翅目昆虫群落的结构、区系组成、以及物种多样性,不同生境中昆虫群落的相似性分析,昆虫生态种组的聚类分析,最后讨论了大青沟直翅目昆虫的区系起源演化和大青沟植物群落的起源问题。
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Structure of orthopteran communities,correlations between vegetation factors,and orthopteran communities characters in ecologically restored area of Shaanxi Wuqi were studied by means of diversity index, principal component analysis and stepwise regression.
应用多样性指数、主成分分析及多元逐步回归等方法,对陕西吴起县生态恢复区直翅目昆虫的群落结构,植被因素与直翅目昆虫群落特征的相关性进行研究。
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And such methods V/m ratio t-test, negative binomial parameter, index of dispersion, Cassie index, index of clumping, index of mean crowing and index of patchiness are employed to analyse various dominant populations of Heptacodium miconioides community in the Tiantai Mountain in Zhejiang province and distributive patterns of Heptacodium miconioides community in different quadrats, and this paper also examines the intensity of Heptacodium miconioides population in different quadrats by means of stand classes.
摘 要 以浙江省天台山七子花群落为研究对象,采用相邻格子样方法取样数据,应用方差/均值比的t检验法、负二项参数、扩散型指数、Cassie指标、丛生指标、平均拥挤指数和聚块性指数等方法,分析了七子花群落各优势种群以及七子花种群在各样地中的分布格局,并分立木级对七子花种群在不同样地内的集群强度进行了测定。
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In contrast to the homozygous mutated colonies seen with V617F-positive polycythemia vera, the colonies with this disorder featured heterozygous mutations.
V617F阳性的真性红细胞增多症的红细胞群落多为突变,与此对应的是:这类病症的红细胞群落以杂合变异为主要特征
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The functional groups of protozoa community were damaged with the addition of fenvalerate. Bectivoresdetrivores were the tolerant species, and their predomination became more obvious with the increase of fenvalerate concentration.
加入氰戊菊酯后,原生动物的群落结构发生变化,各个功能类群均受到不同程度的损伤,一些食菌和碎屑者类原生动物对氰戊菊酯表现出较高的耐受性,随着氰戊菊酯浓度的增加,其在群落中的优势度更加明显。
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No pairs of negative correlation existed in prime stage,while the pair number of positive correlation and non-correlation was roughly equal.
报告云南鸡足山半湿润常绿阔叶林元江栲群落和高山栲群落植物种间结合的研究结果。
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In addition, the community types, structure and ecological relationships were also analyzed in this thesis.x~2-test and Spearman's rank correlation coefficient were used toanalyze interspecific relationships of 8 dominant tree species, 13 dominant shrubs and 20 dominant herbs respectively.
采用χ~2检验和Spearman秩相关系数检验研究了小叶鹅耳枥群落的种间关系,分别测定了8种乔木、13种灌木和20种草本在群落中的种间联结性和相关性。
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It is the dominated species in Fir- Rhododendron Community and Alpine Rhododendron Community, common.
该种是构成冷杉-杜鹃群落和高山杜鹃群落的优势种,常见。你知道它的英文吗?
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Savanna is a special community in the world, and also a rapidly degrading community.
Savanna是世界上一种比较特殊的群落类型,也是一种正在迅速退化的群落。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。