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dc.contributor.author
Rojo, Irene
dc.contributor.author
Irigoyen, Alejo Joaquin
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dc.contributor.author
Cuadros, Amalia
dc.contributor.author
Calò, Antonio
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Pereñíguez, José M.
dc.contributor.author
Hernández Andreu, Ramón
dc.contributor.author
Félix Hackradt, Fabiana C.
dc.contributor.author
Carreño, Francisca
dc.contributor.author
Hackradt, Carlos
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dc.contributor.author
García Charton, José A.
dc.date.available
2023-08-28T15:04:26Z
dc.date.issued
2021-07
dc.identifier.citation
Rojo, Irene; Irigoyen, Alejo Joaquin; Cuadros, Amalia; Calò, Antonio; Pereñíguez, José M.; et al.; Detection of protection benefits for predatory fishes depends on census methodology; John Wiley & Sons Ltd; Aquatic Conservation: Marine and Freshwater Ecosystems; 31; 7; 7-2021; 1670-1685
dc.identifier.issn
1052-7613
dc.identifier.uri
http://hdl.handle.net/11336/209563
dc.description.abstract
Marine protected areas (MPAs) are used as fisheries management and conservation tools. Well-enforced no-take zones allow the rebuilding of natural populations of exploited species; however, there is still controversy on the role of buffer zones. The effectiveness of MPAs could be underestimated, as fish population assessments depend largely on traditional methodologies that have difficulties in detecting predatory fish because of their low abundances, their patchy distribution, and their reaction to the presence of divers. The performance of different census methods was compared in assessing the protection benefits for large predatory fishes under different protection levels (i.e. no-take and buffer zones) in five Mediterranean MPAs. Specifically, conventional strip transects (CSTs, 50 × 5 m2) and tracked roaming transects combined with distance sampling (TRT + DS, variable lengths) were compared, including a series of TRT-derived estimators with variable transect lengths and fixed widths of 20, 10, and 6 m (TRT20, TRT10, and TRT6, respectively). Additionally, the effectiveness of the MPAs studied and protection levels for conserving large predatory species was evaluated. Transects covering larger areas (i.e. TRT + DS and TRT20) allowed the detection of a greater number of species and yielded more accurate estimates of density and biomass than transects of narrower fixed widths, particularly the CSTs, which were associated with the lowest richness detection capability, accuracy, and precision. On average, both no-take zones and buffer zones appeared effective for the conservation of predatory fishes, indicating that multiple protection areas were ecologically effective. Differences between MPAs were also observed, however, probably arising from both local environmental and management factors. We suggest the implementation of methodologies with larger transects for the study of large predatory fish, combined with CSTs for the rest of the fish community, in order to avoid biases in predatory population assessments, which are key indicators of MPA effectiveness.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons Ltd
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BUFFER ZONE
dc.subject
DISTANCE SAMPLING
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HIGH-TROPHIC-LEVEL PREDATORS
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MULTIPLE PROTECTION AREAS
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NO-TAKE ZONE
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UNDERWATER VISUAL CENSUS
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Detection of protection benefits for predatory fishes depends on census methodology
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-08-28T12:56:55Z
dc.journal.volume
31
dc.journal.number
7
dc.journal.pagination
1670-1685
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Rojo, Irene. Universidad de Murcia; España
dc.description.fil
Fil: Irigoyen, Alejo Joaquin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
dc.description.fil
Fil: Cuadros, Amalia. Universidad de Murcia; España
dc.description.fil
Fil: Calò, Antonio. Università degli Studi di Palermo; Italia
dc.description.fil
Fil: Pereñíguez, José M.. Universidad de Murcia; España
dc.description.fil
Fil: Hernández Andreu, Ramón. Universidade Estadual de Santa Cruz; Brasil
dc.description.fil
Fil: Félix Hackradt, Fabiana C.. Universidade Federal do Sul da Bahia; Brasil
dc.description.fil
Fil: Carreño, Francisca. Universidad de Murcia; España
dc.description.fil
Fil: Hackradt, Carlos. Universidade Federal do Sul da Bahia; Brasil
dc.description.fil
Fil: García Charton, José A.. Universidad de Murcia; España
dc.journal.title
Aquatic Conservation: Marine and Freshwater Ecosystems
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/aqc.3539
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1002/aqc.3539
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