卫闽光皮桦林优势种群的种间联结性研究

Studies on Relevance of Dominant Populations in forest of Betual lu-minifera in Weimin

应用方差比率VR、种间联结系数AC及X2检验等方法，对福建卫闽光皮桦林优势种群的种间联结性进行了定量研究，结果表明，在卫闽光皮桦林8个优势种组成的28个种对中，正联结种对有12个，占联结种对总数的42．9％，负联结种对16个，占57．1％。正联结种对中，呈显著正联结种对有3个，占总种对数的10．7％；负联结种对中，是显著负联结种对有1个，占总种对数的3．6％。多数种群间联结性不显著说明卫闽光皮桦林还不成熟，群落结构种和种类组成还不完善和稳定，整个林地仍处于变化和演替中。

Relevance of dominant populations in the forest of Betual Iuminifera in Weimin was quantitatively studied. Of 28 species - couples consisted of 8 dominant species, 12 couples had postive relevance and the others had negative relevance. Insignificant relevance of major popu lations showed that, forest of Betulaa iuminifera did not mature, and the structure and species composition of community didn't yet stabilize, and that the forest was in succession.