Spatial structure of light and dipterocarp seedling growth in a tropical secondary forest

被引:26
作者
Bebber, D
Brown, N
Speight, M
Moura-Costa, P
Wai, YS
机构
[1] Univ Oxford, Dept Plant Sci, Oxford OX1 3RB, England
[2] Univ Oxford, Dept Zool, Oxford OX1 3PS, England
[3] INFAPRO, Lahad Datu 91112, Sabah, Malaysia
关键词
geostatistics; enrichment planting; dipterocarpaceae; seedling growth; spatial autocorrelation; canopy openness;
D O I
10.1016/S0378-1127(00)00659-9
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
Variation in forest canopy openness influences the growth and survival of seedlings below, and is therefore of practical importance when wishing to restock a forest with valuable timber species after logging. In this study, growth and light environment of dipterocarp seedlings in an enrichment planting project in secondary lowland forest in Borneo were analysed using geostatistics, in order to determine the spatial relationships between canopy openness and seedling performance, Seedling growth was correlated with canopy openness measures up to 50 m away along planting lines but was uncorrelated across planting lines, because the dense understorey between planting lines blocked lateral light. It is recommended that planting be conducted in patches rather than along lines, so that understorey clearance can allow light from canopy gaps in all directions to reach seedlings. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:65 / 75
页数:11
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