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Patterns of catch and trophic signatures illustrate diverse management requirements of coastal fisheries in Solomon Islands
Authors:Patrick Smallhorn-West  Jan van der Ploeg  Delvene Boso  Meshach Sukulu  Janet Leamae  Mathew Isihanua  Martin Jasper  Janet Saeni-Oeta  Margaret Batalofo  Grace Orirana  Alick Konamalefo  Jill Houma  Hampus Eriksson
Institution:1.WorldFish, Unit 2, LKP Building, Mission Place, PO Box 438, Honiara, Solomon Islands ;2.ARC Centre of Excellence for Coral Reef Studies, James Cook University, 1 James Cook Drive, Townsville, QLD 4810 Australia ;3.Malaita Fisheries Division, Malaita Provincial Government, Auki, Malaita Solomon Islands ;4.Australian National Center for Ocean Resources and Security (ANCORS), University of Wollongong, Wollongong, NSW Australia
Abstract:Coastal fisheries are a critical component of Pacific island food systems; they power village economies and provide nutritious aquatic foods. Many coastal women and men actively fishing in this region rely on multi-species fisheries, which given their extraordinary diversity are notoriously difficult to both characterize, and to manage. Understanding patterns of fishing, diversity of target species and drivers of these patterns can help define requirements for sustainable management and enhanced livelihoods. Here we use a 12-month data set of 8535 fishing trips undertaken by fishers across Malaita province, Solomon Islands, to create fisheries signatures for 13 communities based on the combination of two metrics; catch per unit effort (CPUE) and catch trophic levels. These signatures are in turn used as a framework for guiding suitable management recommendations in the context of community-based resource management. While a key proximate driver of these patterns was fishing gear (e.g. angling, nets or spearguns), market surveys and qualitative environmental information suggest that community fishing characteristics are coupled to local environmental features more than the market value of specific species they target. Our results demonstrate that even within a single island not all small-scale fisheries are equal, and effective management solutions ultimately depend on catering to the specific environmental characteristics around individual communities.Supplementary InformationThe online version contains supplementary material available at 10.1007/s13280-021-01690-z.
Keywords:Community-based marine management  Coral reef  Fisheries co-management  Malaita  Marine conservation
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