城市鸟类群落组成成分分析。
洱海沉积物硫循环相关微生物群落组成复杂。
The microbial community composition of sulfur cycle in Lake Ehai sediments is complex.
香蕉园蜘蛛群落组成隶属于17科48属71种。
Spiders community in Banana fields include 17 families , 48 genera, 71species.
但在不同地区和生态环境的蜱类群落组成有所不同。
The community constitution of ticks was different in different areas and environments.
目的掌握塔里木盆地啮齿动物体外寄生蚤的群落组成和结构。
Objective to grasp the community composition and structure of ectoparasite fleas on rodents in the Tarim Basin.
主成分分析结果表明单施化肥处理的真菌群落组成与其他各处理存在显著差异。
Principal component analysis showed the significant difference in soil fungal community compositions between treatment of sole chemical fertilizer and others.
天牛类害虫在各分布地区所联系的寄主树种,随着生物群落组成的变化而转移。
The long horned beetles in various distribution areas could transfer from one host tree to another when the composition of the biotic communities changed.
湿地鸟类群落组成结构。本次调查共记录到鸟类138种,隶属14目40科。
Total of 138 bird species were recorded, belong to 14 orders, 40 families.
北京市土壤节肢动物群落组成与同地带森林生态系统土壤节肢动物群落组成基本相同。
The composition of soil arthropod community in Beijing urban ecosystems was similar to that of its woodland ecosystems.
结论云南省南部人房蚊虫群落较为丰富,群落组成结构复杂,优势种数量分布基本均匀;
Conclusion The indoor mosquitoes species in the south of Yunnan province were rich with complicated composition of community and approximately equal distribution of the predominant species.
研究了刈割次数、施氮量和混播比例对扁穗牛鞭草和白三叶混播草地产量和群落组成的影响。
The total yields and composition of mixed pasture under different cutting frequency, nitrogen fertilizer and seeding rates were determined.
结论:该人房群落蚊种较丰富,群落组成和结构复杂,各优势蚊种数量分布基本均匀和稳定。
Conclusion: Mosquito communities of human rooms have abundant species and its structure and component are very complicate, the distributions of dominant species are relatively stable.
土壤微生物是影响凋落物分解的重要因素,其群落组成在一定程度上依赖于所处植物群落的特征。
Litter decomposition is influenced by many factors, especially soil microbial communities, which are subject to their corresponding plant communities.
BIOLOG碳源利用分析结果表明在秸秆施用下接种蚯蚓后土壤的微生物群落组成发生明显变化。
It was indicated that soil microbial community composition changed significantly under straw application and earthworm activities using BIOLOG carbon utilization analysis.
林隙内与非林隙林分的群落相似系数较小,表明林隙与非林隙林分草本植物和灌木群落组成存在差异。
The diminutive similar coefficient between herb and shrub communities showed that certain difference existed between herb and shrub communities in stands of gap and non-gap.
即使在一个成熟的群落中,物种组成通常也有很大的变化。
There is usually a good deal of turnover in species composition, even in a mature community.
竞争对于一个群落的组成和特定物种的密度的决定程度有多大,一直是相当有争议的问题。
To what extent competition determines the composition of a community and the density of particular species has been the source of considerable controversy.
这种新的“群落生态学”强调的是由不同物种组成的群落的组成和结构。
The emphasis of this new "community ecology" was on the composition and structure of communities consisting of different species.
演替的最终阶段,也就是克莱门茨和早期生态学家所称的顶级群落,同样是不可预测的,组成也不单一。
The final stage of a succession, called the climax by Clements and early ecologists, is likewise not predictable or of uniform composition.
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.
对渤、黄海近岸海域底栖生物的种类组成、生物量及栖息密度的分布和群落结构进行了叙述和讨论。
The distribution of benthic biomass and biodensity, composition of species and community structure are studied in coastal waters of the Bohai and Yellow Seas.
的组成和堆肥微生物群落活动的认识至今是基于传统的方法。
Knowledge on the composition and activities of compost microbial communities has so far been based on traditional methods.
此外,种类组成、生物量和群落结构指数都随纬度和潮汛的不同而变化。
In addition, the composition of species, Numbers and the index of community structures were changed with latitude and spring tide.
最后,分类还有一种可能,即以植物群落的全部植物种类组成作为分类的基础,并无须依赖于计算技术。
It is possible finally to base classification on the full floristic composition of communities without reliance on numerical techniques.
本文报道了大亚湾澳头港附近的红树植物群落的种类组成、结构、外貌及演替。
The species composition, structure, physiognomy and succession of mangrove community near Aotou port, Daya are disscussed in this paper.
体现了森林草原交错带鸟类群落的组成特点,即由森林鸟类逐渐向草原鸟类过渡。
It embodied the composition characteristics of bird communities in forest-stepped ecotone from forest zone to steppe zone gradually trastion.
一只秃鹫大肠里的微生物群落主要由两种粪便厌氧菌组成,即梭状芽孢杆菌和梭状杆菌,这两种菌类对其他动物都是致命的。
The microbial flora in a vulture's large intestine is dominated by two types of anaerobic faecal bacteria, Clostridia and Fusobacteria, both of which can be deadly to other animals.
采用倒置“W”取样法对河北省玉米田杂草进行了调查,以明确田间杂草的种类组成及群落结构。
Weed survey was conducted by sampling methods of inverted W-pattern to determine the species composition and structure of weed communities in maize fields in Hebei Province.
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 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 species composition in the insect community and the relative abundance of each group were studied in the peach orchards.
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