Abstract

Based on the investigation data about the species diversity in Daxing'an Mountains, the difference of species diversity indexes betweenLarix gmelini forest andLarix gmelini-Betula platyphylla forest was analyzed by the Simpson index (D), Shannon-Wiener index (H), Pielou index (Jsw &Jsi), Alatalo index (Ea) and Species richness index (S). The result showed that the species diversity index ofLarix gmelini-Betula platyphylla forest was much higher than that ofLarix gmelini forest in this region. AndLarix gmelini-Betula platyphylla forest was beneficial to maintain the species diversity in Daxing'an Mountains region.

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