种群格局信息维数能够刻划格局强度的尺度变化程度,揭示出种群个体分布的非均匀性状况。
The information dimension of population patterns quantifies the scale variation degree of pattern intensity, and discloses the unevenness of individual distribution.
种群格局关联维数是种群个体空间关联尺度变化规律的反映,表明了种群个体的空间相关程度。
Correlation dimension of population pattern could reflect not only the scaling variation properties of spatial correlation of individuals, but also the spatial occupation degree of population.
表明根据研究对象和研究目的选择合理的分布型指数,能够提供种群空间分布格局的多侧面信息。
Thus, according to research object and goal, choosing a reasonable distribution index can provide multi-factor information about the spatial pattern of the population.
种群分布格局总体上呈聚集型,随年龄增加聚集强度增加。
The population pattern was of clustered distribution, with the aggregating intensity increased with age.
采用何种方法进行种群分布格局的分析研究一直是一个争论性问题。
Following conclusions were obtained from comparison of various methods used in spruce population spatial distribution pattern on sandy sites.
分株种群集聚分布格局的规模、强度和纹理在水平空间上与放牧强度的变化表现出一致性的关系。
There were identical changes between seale, intensity, grain of ramet population distribution pattern and the stocking intensity in horizontal space.
不同演替群落中种群空间分布格局总体上仍是集群分布。
Aggregated pattern is prevalent at different successional stages of communities.
分析了梭梭种群的径级结构、高度结构、密度和空间分布格局变化等。
The diameter structure, the height structure, the density and the distribution pattern were worked out.
本研究采用计盒维数刻画了延龄草不同生境下的种群空间分布格局。
This study depicts the population space distribution under different living circumstances using Box counting dimension.
对福建省建阳市书坊乡贵溪村的天然檫树种群结构和空间分布格局进行研究。
The population structure and spatial distribution patten of Sassafras tzumu have been studied in this paper.
按林型分类,草类—落叶松林种群分布格局中,均匀分布和随机分布所占比例均11%,聚集分布占78%。
According to the forest type to classify, both of clustered and regular distribution are 11% in the commurity distribution pattern of herbage—Larix forest, the random distribution is 78%.
种群的镶嵌格局图直观的反映了种群之间在空间上的配置关系,并可给出镶嵌体的类型。
The diagrams of Mosaic pattern of populations are able to reflect directly the relation of Spatial disposition among various populations and provide the type of Mosaic.
本文旨在探讨这些景观差异对克氏原螯虾扩散过程中种群遗传格局的影响。
Our aim was to examine how the landscape features difference influenced the dispersal movement and genetic structure of the species.
地理信息系统的应用,不但提高了格局分析的效率,也可以直观地反映种群的分布格局。
The results indicate GIS can not only improve the efficiency of pattern analysis but also visually display the distribution pattern.
从斑块信息的角度分析了四川冶勒的红豆杉种群分布格局与坡度的关系。
The distribution pattern of Taxus chinensis distributed in Yele, Sichuan Province is closely related to the slope patches of their habitation.
种群分布格局和种间空间关联性研究有助于深入理解物种共存机制。
Exploring tree population distribution patterns and interspecific spatial associations are helpful in elucidating the mechanisms underlying species coexistence in forest communities.
本文用种群大小结构代替年龄结构研究了沙地云杉种群的大小结构、分布格局和动态规律。
The size structure and distribution pattern of Picea mongolica population on sand dune and their rerlationship to eco-environment are studied by size structure in place of age structure.
种群的垂直空间分布格局呈随机型或集群型。
The distribution of a species individuals in the vertical space is random or contagious.
随着尺度的增大,种群分布格局的间隙度逐渐减小。
With the increase of spatial scale, the lacunarity indices of the seedling populations were decreased.
第四章主要介绍了空间点过程以及点格局分析在研究种群空间分布中的应用。
The first concern in this chapter is to compute aggregation parameter which reflects the aggregation level of the spatial point pattern.
结果表明,阴香幼苗种群呈现集群分布,但在不同生境中种群的集聚强度和格局规模存在明显的差异。
The results show that all the seedling populations displayed an aggregated distribution pattern, but the aggregation intensity and pattern scale were different among the populations.
这些特征将影响到巴山冷杉种群的分布格局和种群更新。
These characteristics would influence the pat-tern and regeneration of Abies fargesii population.
结果表明:两个半固定白刺群落格局都是白刺单种群控制的灌木格局。
The results showed that both the two half fixed Nitraria tanguiorum communities were shrub patterns controlled by single species.
研究表明,种群个体分布格局为随机分布,种群模型属稳定增长型。
The results indicated that the distribution pattern of population individuals was random distribution pattern, and the population model was stable growth-oriented.
同一群落中的不同种群或同一种群在不同的群落中其集聚强度和格局规模多有不同。
The intensity and scale of the pattern alter among different populations in a community or with the same populations in different co...
小熊猫空间分布格局极不连续,存在许多空白区域,栖息地存在破碎化趋势,应进一步加强对邛崃山世界遗产地内小熊猫种群的保护。
The distribution of red panda in Qionglai Mountains was discrete and existed many gaps and fragmentation trend. Thus, the protection of red panda in Qionglai Mountains should be further enhanced.
小熊猫空间分布格局极不连续,存在许多空白区域,栖息地存在破碎化趋势,应进一步加强对邛崃山世界遗产地内小熊猫种群的保护。
The distribution of red panda in Qionglai Mountains was discrete and existed many gaps and fragmentation trend. Thus, the protection of red panda in Qionglai Mountains should be further enhanced.
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