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杉木球果麦蛾空间分布型的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1994年02期
Page:
19-24
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A STUDY ON THE SPATIAL DISTRIBUTION PATTERNS OF DICHOMERIS SP
Article ID:
1000-2006(1994)02-0019-06
Author(s):
Xue Xianqing; Qian Fanjun; Yu Rongzhuo(Nanjing Forestry University) (Yang Kou Farm Fujian Province)Zhang Fushou Liu Yongfu(Seeds Station Forest Department of Fujian Province)
Forestry Station of Shanghai
Keywords:
: Dichomeris sp. Spatial distribution patterns Aggregation average
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1994.02.004
Document Code:
A
Abstract:
The present paper deals with the spatial distribution patterns of Dichomer sp. in the seeds yard of cunninghamia lanceolta. Frequency check methods、regression analysis and several aggregation indices were used to determine the spatial distribution patterns. All larval and pupa were of aggregated patterns. Also, the ’aggregation average’ method by Blackith was used to analyse the aggregated reasons of larval and pupa. All larval and pupa were related to their environment; but the function of biological characters only occured with the changing of POPulation density.

References

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Last Update: 1900-01-01