Articles | Volume 17, issue 4
https://doi.org/10.5194/bg-17-865-2020
https://doi.org/10.5194/bg-17-865-2020
Research article
 | 
20 Feb 2020
Research article |  | 20 Feb 2020

Alpha and beta diversity patterns of polychaete assemblages across the nodule province of the eastern Clarion-Clipperton Fracture Zone (equatorial Pacific)

Paulo Bonifácio, Pedro Martínez Arbizu, and Lénaïck Menot

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Short summary
The patterns observed in the composition of polychaete assemblages were attributed to variations in food supply at the regional scale and nodule density at the local scale. The high levels of species replacement were mainly driven by rare species, leading to regional species pool estimates between 498 and 240 000 species. The high proportion of singletons seems reflect an under-sampling bias that is currently preventing the assessment of potential biodiversity loss due to nodule mining.
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