Fishers’ Behaviour in Response to the Implementation of a Marine Protected Area

Costa, Bárbara Horta e; Batista, Marisa I.; Gonçalves, Leonel; Erzini, Karim; Caselle, Jennifer E.; Cabral, Henrique N.; Gonçalves, Emanuel João

doi:10.1371/journal.pone.0065057

Cited by 56 publications

(36 citation statements)

References 39 publications

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“…Further, the relative continuity of habitat across reserve boundaries can also impact fishing effort (see e.g., Freeman et al 2009;Huserbråten et al, 2013, Kay, Lenihan, Kotchen, & Miller, 2012. Similarly, Horta e Costa et al (2013) showed how different fisheries and gear types respond differently to a midlatitude MPA where some fished a broader area and others kept preferred territories.…”

Section: Introductionmentioning

confidence: 96%

Differences in lobster fishing effort before and after MPA establishment

2015

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a b s t r a c tIn April 2003, California established a network of no-take marine protected areas (MPAs) around the northern Channel Islands located within the Santa Barbara Bight. Prior to the MPAs enclosing 17% of the islands' lobster fishing grounds, 25 commercial lobster fishermen caught 50% of the regional annual landings from the Channel Islands. To best manage MPAs and affected fisheries we ask a critical question: Where did the fishermen go? Spillover theory emerging from models of MPAs and adjacent fisheries suggests displaced fishermen will concentrate their effort along MPA borders; a phenomenon called "fishing the line". These models do not consider habitat-specific fishing effort, habitat heterogeneity, nor fixed-gear fisheries such as lobster where traps are set, soaked for 1 to 3 nights, pulled and re-set. With fixed-gear fishing, space is "marked" or occupied, and reduces the possibility of another fisherman to fish that space. Lobster trap fisheries are notoriously territorial as a result. Lobster fisheries therefore stand to experience a skewed impact based on a priori territorial distributions and habitat quality. We use a Geographic Information System (GIS) to map 10 years (5 before reserves and 5 after) of fisherydependent logbook data assisted with fishery interviews to test if commercial lobster fishermen aggregated fishing effort at MPA borders as an adaptive fishing strategy. We found that fishermen around the Channel Islands MPAs did not concentrate effort at MPA boundaries but instead the proportion of total traps pulled in close proximity (within 1 km of reserve borders) to MPAs declined from 10% to 5%. Chi 2 analysis found a significant decrease in the proportion of a season's traps pulled in areas near MPA borders (n ¼ 157,071; p < .001). T test analysis testing the difference in CPUE between areas far from MPAs and areas adjacent to MPA borders showed a significant reduction in the difference between CPUE following MPA designation (n ¼ 50,206; p < .001).

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Section: Introductionmentioning

confidence: 96%

Differences in lobster fishing effort before and after MPA establishment

2015

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“…; Horta e Costa et al . ). More generally, MPAs are increasingly used as a tool for fishery management (Rocklin et al .…”

Section: Introductionmentioning

confidence: 97%

Comparative analysis of artisanal and recreational fisheries for Dentex dentex in a Marine Protected Area

Marengo

Culioli

Santoni

et al. 2015

Fisheries Management Eco

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The common dentex, Dentex dentex (L.), is an iconic marine coastal fish in the Mediterranean Sea. This study was performed in the Bonifacio Strait Natural Reserve (BSNR), (NW Mediterranean Sea). The aims were to: (1) evaluate temporal variation of the artisanal fishing of common dentex (2000-2012); (2) compare and quantify catch rates, fishing techniques and catch composition for artisanal and recreational fisheries, and determine the influence of management measures by both activities; and (3) estimate the production of both artisanal and recreational fisheries. Fishery data were collected from different artisanal fishing surveys (onboard fishing vessels and landings) and recreational fishing surveys (roving). The gears with the highest rates of exploitation were longline (3554 g per 100 hooks) and Trolling (351 g boat À1 h À1 AESE), respectively, for artisanal and recreational fishing. This study showed that catches by both activities were quantitatively higher in partially protected areas than outside them. Production estimations suggest that the recreational fishery contributes significantly to fishing mortality and that it can magnify the negative effects of artisanal fisheries. Specific measures are needed for the sustainable fishery management of common dentex. K E Y W O R D S :fisheries management, IUCN red list, marine reserve, Small-scale fisheries.

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“…Understanding the interactions between large MPAs and marine fisheries could significantly advance our comprehension of MPA effectiveness as a conservation and management tool (Horta e Costa et al 2013, Stevenson et al 2013). On one hand, MPAs that disallow fishing might simply displace effort to other areas that may then be subject to overfishing (Halpern et al 2004).…”

Section: Open Pen Access Ccessmentioning

confidence: 99%