The results showed that Truncated Log Normal and Log Series distribution models can well fit to the species-abundance distribution of communities nearby timberline ecotone.

• 结果表明，截尾对数正态分布和对数级数分布能较好地拟合交错带附近群落的种-多度分布，截尾对数正态分布模型更适合交错带群落，对数级数分布较好地适合亚高山草甸群落。