|Table of Contents|

Spatial Distribution Pattern of Platycarya strobilacea Population inSubtropical Evergreen and Deciduous Broad-leaved Mixed Forest(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年01
Page:
92-98
Research Field:
Publishing date:

Info

Title:
Spatial Distribution Pattern of Platycarya strobilacea Population inSubtropical Evergreen and Deciduous Broad-leaved Mixed Forest
Author(s):
LI Jie
Art and Design College,North China University of Water Resources and Electric Power,Zhengzhou,Henan 450046
Keywords:
point pattern analysis; completely random model; poisson heterogeneity model; dominant species
PACS:
-
DOI:
10.11937/bfyy.20171859
Abstract:
This study based on three pieces of 1 hm2 forest dynamic plots,the point pattern method was used to analysis the spatial distribution pattern of the dominant species Platycarya strobilacea under the completely random model and poisson heterogeneity model.And the change of distribution pattern with increased diameter at breast height were also analyzed.The results showed that Platycarya strobilacea was the aggregation distribution pattern in the three plots under completely random model.After eliminating habitat heterogeneity by poisson heterogeneity model,the distribution pattern of Platycarya strobilacea gradually transformed form aggregation distribution into uniform distribution with the increase of scale in the first plot.Platycarya strobilacea was the random distribution pattern in the second and third plots.The aggregation degree of Platycarya strobilacea was dropped with increased diameter at breast height.The results showed that habitat heterogeneity and intraspecific competition played an important role in the formation of spatial distribution pattern.

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Last Update: 2018-01-12