在群落的演替过程中，马尾松种群的空间占据能力不断下降，种群呈衰退趋势。
This demonstrated deteriorating regeneration conditions and decreasing ability of spatial occupation of P. massoniana with succession—that P. massoniana had a declining population.
低海拔山坡六道木种群空间占据能力较强，高海拔山坡照山白种群有较大的空间占据能力。
Whereas Abelia biflora population is strong at low altitude, Rhododendron micranthum population has stronger capacity of spatial occupation at high altitude.
水肥资源贫乏、光照较强的条件下，两类苗存活率和占据空间能力均较低，实生苗在数量和占据空间能力上占优势。
Oppositely, in habitats lack of sufficient nutrition, the survival rate and space-occupying ability of seedlings were low, and grown-up plantlets would preempt in number and space occupation.
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