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Biomass and productivity of seagrasses in Africa

机译:非洲海草的生物量和生产力

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There is growing interest in carbon stocks and flows in seagrass ecosystems, but recent global reviews suggest a paucity of studies from Africa. This paper reviews work on seagrass productivity, biomass and sediment carbon in Africa. Most work was conducted in East Africa with a major geographical gap in West Africa. The mean above-ground, below-ground and total biomasses from all studies were 174.4, 474.6 and 514 g DW m(-2), respectively with a global range of 461-738 g DW m(-2). Mean annual production rate was 913 g DW m(-2) year(-1) (global range 816-1012 g DW m(-2) year(-1)). No studies were found giving sediment organic carbon, demonstrating a major gap in seagrass blue carbon work. Given the small numbers of relevant papers and the large geographical areas left undescribed in Africa, any conclusions remain tentative and much remains to be done on seagrass studies in Africa.
机译:人们对海草生态系统中的碳储量和流量越来越感兴趣,但是最近的全球评论表明,来自非洲的研究很少。本文回顾了有关非洲海草生产力,生物量和沉积物碳的工作。大多数工作是在东非进行的,而西非的地理差距很大。所有研究的平均地上,地下和总生物量分别为174.4、474.6和514 g DW m(-2),全球范围为461-738 g DW m(-2)。平均年产量为913 g DW m(-2)年(-1)(全球范围816-1012 g DW m(-2)年(-1))。没有发现给沉积物有机碳的研究,表明海草蓝碳工作存在重大差距。鉴于非洲的相关论文数量很少,地理区域广阔,非洲尚无定论,因此任何结论仍是暂定的,非洲的海草研究仍有许多工作要做。

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