基于生态系统经营的雷州半岛红树林空间结构研究

Forest Resources Management(2009)

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Abstract
利用角尺度、混交度和大小比数3个林分空间结构参数,分析了雷州半岛红树林的空间结构。结果表明:1)由样地1→样地2→样地3→样地4,混交度为0.272→0.292→0.158→0.197,样地1和样地2为中度混交,样地3和样地4为弱度混交。2)在空间大小对比上,白骨壤直径大小比数在4块样地都较小,占有较大的优势;红海榄在各样地中都处于劣势和绝对劣势状态;其它树种平均大小比数都在0.5左右,生长上处于中庸状态。3)各样地林分平均角尺度分别为0.61,0.43,0.45,0.63,样地1、样地4的林木分布格局为团状分布,样地2、样地3为均匀分布。
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Key words
uniform angle index,mingling,neighborhood comparison,spatial structure,mangrove,leizhou peninsula,forests,woody plants,mangroves,mangrove forests
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