Establish community-based fisheries management
Overall effectiveness category Unknown effectiveness (limited evidence)
Number of studies: 1
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Background information and definitions
Fishing can impact subtidal benthic invertebrates through species removal or habitat damage from fishing gear coming into contact with the seabed (Collie et al. 2000). Community-based fisheries management, sometimes referred to as indigenous customary management (Twist et al. 2016), assigns the management of marine resources to the local community who often possesses traditional and local knowledge crucial to local management. Community-based fisheries management is often based on a partial protection strategy, which uses one or more spatial management measures (for instance measures that restrict some aspect of the fishery; Cinner & Aswani 2007). Community-based management gives local communities the power to set regional fisheries bylaws and/or regulations and has been implemented into legislation in several countries (Ruddle 1998). By regulating and limiting fishing effort, and protecting the marine environment, community-based fisheries management can, in theory, reduce the impacts on the seabed, the amount of bycatch, and overall threat to subtidal benthic invertebrates (Twist et al. 2016).
Evidence for related intervention is summarised under “Threat: Biological resource use – Establish territorial user rights for fisheries”.
Cinner J.E. & Aswani S. (2007) Integrating customary management into marine conservation. Biological Conservation, 140, 201–216.
Collie J.S., Hall S.J., Kaiser M.J. & Poiner I.R. (2000) A quantitative analysis of fishing impacts on shelf‐sea benthos. Journal of Animal Ecology, 69, 785–798.
Ruddle K. (1998) The context of policy design for existing communitybased fisheries management systems in the Pacific Islands. Ocean and Coastal Management, 40, 105–126.
Twist B.A., Hepburn C.D. & Rayment W.J. (2016) Distribution of the New Zealand scallop (Pecten novaezealandiae) within and surrounding a customary fisheries area. ICES Journal of Marine Science, 73, 384–393.
Supporting evidence from individual studies
A replicated, site comparison study in 2013 of 20 sites in the Paterson Inlet, Foveaux Straight, New Zealand (Twist et al. 2016) found that sites within a customary fisheries area where management was community-based had more New Zealand scallops Pecten novaezealandiae, but they tended to be smaller, compared to adjacent sites in a marine protected area prohibiting all fishing (no-take reserve) and a recreational harvest-only area. Scallop abundance was higher inside the customary fisheries area (3.62 scallops/m2) compared to the other sites (no-take: 0.63 scallops/m2; recreational: 0.56 scallops/m2). Scallops tended to be smaller in the customary fisheries area (104 mm), compared to the no-take reserve (110 mm), and the recreational area (132 mm; size data were not statistically tested). In June 2013, divers counted and measured scallops in three to nine transects (100 m2) at each of 20 sites: six in the customary fisheries area (community-based management, see paper for details), three in the no-take reserve (designated in 2004), and three in the recreational harvest-only area.Study and other actions tested
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This Action forms part of the Action Synopsis:Subtidal Benthic Invertebrate Conservation