关帝山华北落叶松林下植物多样性和土壤碳氮磷的海拔梯度格局
【文章页数】:49 页
【学位级别】:硕士
【部分图文】:
图1不同海拔物种数目??Species?number?i打?different?elevation??3.?1.?2林下物种a多样性沿海拔梯度的变化??
图2华北落叶松林下灌木a多样性??The?species?a?diversity?index?of?North?China?Larch?under巧ory?shrubs??
3.?1.?2林下物种a多样性沿海拔梯度的变化??植物群落的a多样性包括丰富度指数化)、多样性指数(SW)和均匀度指数(J)。??对海拔梯度上各样地灌木层计算a多样性,结果见表3,图2。华北落叶松林下灌??木丰富度指数(D)、多挣性指数(SW)和均匀度指数(J)的变化范围分别为0....
图3华北落叶松林下草本a多样性??The?species?a?diversity?index?of?North?China?Larch?undersU)ry?herbs??
图2华北落叶松林下灌木a多样性??The?species?a?diversity?index?of?North?China?Larch?under巧ory?shrubs??对海拔梯度上各样地草本层计算a多样性,结果见表3,图3。??华北落叶松林下草本丰富度指数(D)、多样性指数(....
图4华北落叶松林下灌木|3多样性??The?species?p?diversity?index?of?North?China?Larch?understory?shrubs??
图4华北落叶松林下灌木|3多样性??The?species?p?diversity?index?of?North?China?Larch?understory?shrubs??28?1??26?-?,?I?I??勺j???▼???Whittaker指数??24?-??巧22^?▼....
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