查询词典 Habitat

The environmental factors that influenced ungulate habitat selection are various with different seasonal and spatial scales. All methods have their theoretical and practical aspects. Consequences of sympatric ungulates were discussed in this paper.From September 2003 to May 2004, habitat selection by sika deer was studied in Qingliangfeng Natural Reserve, Zhejiang Province, China.

在不同空间尺度上，影响有蹄类栖息地选择的环境因素亦不相同；在不同的季节和生活史阶段，有蹄类对栖息地类型的选择取决于季节性变化的植被因素和有蹄类在不同生活史阶段对栖息地的不同需求。

Results provided in a limited spatial scale with relatively uniform conditions show that rodents'α-diversity correlates positively with habitat structural complexity and negatively with characteristics of habitat productivity.

限定空间和相对单一条件下的结果表明，啮齿类α多样性与生境结构复杂性呈正相关，而与生境生产力特征呈负相关。

Hierarchical cluster analysis suggests that higher avian diversity was expected in habitat with in large size woodlot, higher habitat diverse and less disturbance.

聚类结果表明，面积大、生境类型丰富及人为干扰相对较少的绿地，鸟类多样性高。

In the difference stage of its live cycle,he habitat of the xerophilous plant exist dissimilarities in water factor, Studing the phenomenon of the dissimilar habitat in its live cycle, the diversity of the relation of xerophytes and its environment will be understanded.

我国干旱区一些耐旱乔灌树种，其成株适应干旱能力极强，但其种子萌发及幼体阶段即需地表湿润或短期积水才能完成定居和建群过程，在其生活周期的不同阶段，以水条件为特征的生境呈现明显的异质性。

The reciprocity between PPCG and caffeine molecule was also simulated and calculated.It was found that the caffeine molecule was selectively distributed in CO2 habitat,but never in γ-butyrolactone habitat.

通过对PPCG与药物分子咖啡因相互作用的分子模拟和计算，进一步了解咖啡因分子是选择性地分布到CO2结构单元的区域中，而在GBL区域无分布。

We first investigated whether habitat heterogeneity influenced tree distributions, and then examined the conspecific tree patterns and density dependence after removing the effects of habitat heterogeneity.

我们首先分析了生境异质性是否影响树木的分布，然后排除生境异质性的干扰检验同种分布格局和密度制约效应。

In this research, this study also uses statistic test analysis to find the effect to fish habitat after removing dam. No matter it's before dam-breaking, after dam-breaking, or we remove it for two steps, there is no obvious effect to Habitat Suitability Index of Cyprinidae, Gobiidae, and Homalopteridae.

本研究透过统计检定分析探讨拆坝对於鱼类栖地造成之变化，不论溃坝前亦或是溃坝后以及假设坝体分两次拆除的情形下，鲤科、鰕虎科、平鳍鳅科之鱼类栖地适合度指数皆无明显的变化。

A flume experiment and a 2-D numerical model, TABS-2, were employed to simulate the hydraulic characteristics in fixed-bed condition. In addition, by selecting Gobioidi, Cyprinidae and Homalopteridae as the indicator species, the change of fish habitat and the habitat diversity for two different Froude number conditions were discussed.

本文针对前人研究之台湾溪流指标物种鲤科、平鳍鳅科与虾虎科三种鱼类，探讨模拟河段常流量两种不同Fr下，工法在不同排列间距对其栖地可用面积之消长情形，并配合两种栖地多样性指数共同评估工法配置之优劣。

Howeer, the percent of the macroinertebrate community in the Ephemeroptera, Plecoptera, and Trichoptera taxa was significantly correlated with the oerall habitat assessment scores as well as with indiidual measures of geomorphic condition and habitat quality.

然而大型无脊椎动物中Ephemeroptera， Plecoptera， and Trichoptera所占比例与生境评分、地形学条件及生境质量密切相关。

According to the distribution of species and amount, the author makes a PCA analysis to the different habitats. The analysis of hierarchical cluster to different habitat is according to the distribution of species. According to the results of the two ways of analysis and the factual condition of environment, the environment of Daqinggou is divided into 3 types of habitat that are described as the hygric plant community in the bottom of ditch, xerophytic plant community in the top of ditch and single type plant community.

以直翅目昆虫种类和数量的分布为属性对不同生境作PCA分析并以直翅目昆虫种类分布为属性作等级聚类分析，两种分析方法所得结果十分相似，结合分析结果和实际情况将大青沟7种不同生境分为3类，分别命名为沟底湿生植物群落，包括水曲柳植物群落、湖边湿地植物群落和稻田植物群落；沟上干早植物群落，包括沙丘草地和大果榆植物群落；单一型植物群落，包括人工针叶林植物群落和蒙古栋植物群落。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。