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- Title
Diversity, distribution and intrinsic extinction vulnerability of exploited marine bivalves.
- Authors
Huang, Shan; Edie, Stewart M.; Collins, Katie S.; Crouch, Nicholas M. A.; Roy, Kaustuv; Jablonski, David
- Abstract
Marine bivalves are important components of ecosystems and exploited by humans for food across the world, but the intrinsic vulnerability of exploited bivalve species to global changes is poorly known. Here, we expand the list of shallow-marine bivalves known to be exploited worldwide, with 720 exploited bivalve species added beyond the 81 in the United Nations FAO Production Database, and investigate their diversity, distribution and extinction vulnerability using a metric based on ecological traits and evolutionary history. The added species shift the richness hotspot of exploited species from the northeast Atlantic to the west Pacific, with 55% of bivalve families being exploited, concentrated mostly in two major clades but all major body plans. We find that exploited species tend to be larger in size, occur in shallower waters, and have larger geographic and thermal ranges—the last two traits are known to confer extinction-resistance in marine bivalves. However, exploited bivalve species in certain regions such as the tropical east Atlantic and the temperate northeast and southeast Pacific, are among those with high intrinsic vulnerability and are a large fraction of regional faunal diversity. Our results pinpoint regional faunas and specific taxa of likely concern for management and conservation. Marine bivalves are important components of ecosystems and are exploited for food across the world. This study expands the list of marine bivalves known to be exploited worldwide and then uses a trait-based approach to identify intrinsically vulnerable species and to pinpoint regions with high levels of extinction-prone exploited species, helping to prioritize areas for conservation effort.
- Subjects
UNITED Nations; ANIMAL diversity; BIVALVES; BIVALVE shells; SPECIES diversity; WATER depth; DATABASES; PROTECTED areas; MASS extinctions
- Publication
Nature Communications, 2023, Vol 14, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-023-40053-y