• 随着尺度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.

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  • 种群分布格局总体上呈聚集型,年龄增加聚集强度增加。

    The population pattern was of clustered distribution, with the aggregating intensity increased with age.

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  • 采用何种方法进行种群分布格局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.

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  • 种群分布格局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.

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  • 从斑块信息角度分析了四川冶勒红豆杉种群分布格局坡度的关系。

    The distribution pattern of Taxus chinensis distributed in Yele, Sichuan Province is closely related to the slope patches of their habitation.

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  • 林型分类类—落叶松林种群分布格局,均匀分布随机分布所占比例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 herbageLarix forest, the random distribution is 78%.

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  • 种群集聚分布格局规模强度纹理水平空间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.

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  • 分析梭梭种群结构高度结构、密度空间分布格局变化等。

    The diameter structure, the height structure, the density and the distribution pattern were worked out.

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  • 研究采用刻画了延龄草不同生境种群空间分布格局

    This study depicts the population space distribution under different living circumstances using Box counting dimension.

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  • 福建省建阳市书坊乡贵溪村天然檫树种群结构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.

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  • 种群格局信息数能够刻划格局强度尺度变化程度揭示种群个体分布均匀性状况。

    The information dimension of population patterns quantifies the scale variation degree of pattern intensity, and discloses the unevenness of individual distribution.

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  • 不同演替群落种群空间分布格局总体上仍集群分布

    Aggregated pattern is prevalent at different successional stages of communities.

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  • 表明根据研究对象研究目的选择合理分布指数能够提供种群空间分布格局多侧面信息

    Thus, according to research object and goal, choosing a reasonable distribution index can provide multi-factor information about the spatial pattern of the population.

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  • 本文用种群大小结构代替年龄结构研究沙地云杉种群大小结构、分布格局动态规律。

    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.

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  • 地理信息系统应用,不但提高格局分析效率可以直观反映种群分布格局

    The results indicate GIS can not only improve the efficiency of pattern analysis but also visually display the distribution pattern.

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  • 种群垂直空间分布格局随机型集群型。

    The distribution of a species individuals in the vertical space is random or contagious.

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  • 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进一步加强世界遗产地内小熊猫种群保护

    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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  • 这些特征影响巴山冷杉种群分布格局种群更新

    These characteristics would influence the pat-tern and regeneration of Abies fargesii population.

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  • 结果表明,阴幼苗种群呈现集群分布不同生境中种群集聚强度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.

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  • 研究表明,种群个体分布格局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.

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  • 第四章主要介绍空间过程以及格局分析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.

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  • 第四章主要介绍空间过程以及格局分析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.

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