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Relationships between tree species diversity and above-ground biomass in Central African rainforests: implications for REDD

机译：中非雨林树木物种多样性与地上生物量之间的关系：对REDD的影响

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摘要

Tropical forests are both important stores of carbon and among the most biodiverse ecosystems on the planet. Reducing emissions from deforestation and degradation (REDD) schemes are designed to mitigate the impacts of climate change, by conserving tropical forests threatened by deforestation or degradation. REDD schemes also have the potential to contribute significantly to biodiversity conservation efforts within tropical forests, however biodiversity conservation and carbon sequestration need to be aligned more closely for this potential to be realized. This paper analyses the relationship between tree species diversity and above-ground biomass (AGB) derived from 1-ha tree plots in Central African rainforests. There was a weakly significant correlation between tree biomass and tree species diversity (r = 0.21, p = 0.03), and a significantly higher mean species diversity in plots with larger AGB estimates (M = 44.38 species in the top eight plots, compared to M = 35.22 in the lower eight plots). In these Central African plots, the relationship between tree species diversity and AGB appeared to be highly variable; nonetheless, high species diversity may often be related to higher biomass and, in such cases, REDD schemes may enhance biodiversity by targeting species diverse forests.
机译：热带森林既是重要的碳库，也是地球上生物多样性最强的生态系统之一。减少毁林和退化计划的排放量旨在保护受毁林或退化威胁的热带森林，以减轻气候变化的影响。 REDD计划也有可能为热带森林内的生物多样性保护工作做出重大贡献，但是，为了实现这一潜力，需要更加紧密地协调生物多样性保护和碳固存。本文分析了中非雨林中1公顷树木地的树种多样性与地上生物量（AGB）之间的关系。树木生物量与树木物种多样性之间的相关性较弱（r = 0.21，p = 0.03），而具有较大AGB估计值的地块中的平均物种多样性显着较高（前8个地块中M = 44.38个物种，而M =在较低的八幅图中为35.22）。在这些中部非洲地区，树木物种多样性与AGB之间的关系似乎高度可变。然而，物种多样性高通常可能与更高的生物量有关，在这种情况下，REDD计划可以通过针对物种多样化的森林来增强生物多样性。

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