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Characterising different artisanal fishing gears catches that operate in distinct habitats to assess ichthyofauna assemblages in Bons Sinais estuary, Mozambique

2024-12Journal article Open Access
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dc.contributor.authorJeremias J. Mocuba
dc.contributor.authorEudriano F.S. Costa
dc.contributor.authorDaniel Oliveira Mualeque
dc.contributor.authorMaria Alexandra Teodósio
dc.contributor.authorFrancisco Leitão
dc.contributor.authorMocuba, Jeremias
dc.contributor.authorFlorêncio dos Santos Costa, Eudriano
dc.contributor.authorTeodosio, Maria
dc.contributor.authorLeitão, Francisco
dc.date.accessioned2024-07-09T13:02:34Z
dc.date.available2024-07-09T13:02:34Z
dc.date.issued2024-12
dc.description.abstractMonitoring the ichthyofauna is crucial to detect changes in aquatic communities for fisheries management and conservation. This study aimed to identify the most effective gear for ichthyofauna studies in the estuary. Thus, the performance of the beach seine (active gear) and chicocota (fixed gear), common fishing gears used by artisanal fishers in the Bons Sinais estuary (BSE), were used to characterise fish assemblage structure. Monthly surveys were conducted at two fixed sample points of the BSE to assess the composition of the fish assemblage. The analysis revealed statistical differences in abundance, biomass, and the presence/absence of different species between gears regardless sampling months. At ecological level, differences among gears were explained by different modus operandi, technological features and also different sampling habitats where gears operate; beach seine is catching bottom-bound and littoral fish while Chicocota is sampling the pelagic assemblage of the mid-channels. The frequency of occurrence of the 13 most abundant species differed between gears. Both gears showed little size-selectivity, with the mean total length and mean body height of these species statistically differing between gears. A total of 92 fish species were identified. No statistical differences were observed among gears for species richness, diversity and evenness. Both fishing gears captured several local socio-economically important species in the BSE. In particular, 13 of the most important species accounted for more than 54% and 60% of the total abundance and biomass in beach seine and chicocota, respectively. The complementary use of fixed and active fishing gears for studying fish community structure in estuaries is recommended. This multi-gear sampling approach enhances the capacity to detect changes in fish communities and provides valuable data for fisheries management and conservation efforts.eng
dc.description.sponsorshipProject BIOFISH-QoL 330785505 PRT/BD/154636/2022 DL57/2016/CP1361/CT0008 2022.04803.CEECIND UIDP/04326/2020 LA/P/0101/2020
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1016/j.rsma.2024.103592
dc.identifier.issn2352-4855
dc.identifier.urihttp://hdl.handle.net/10400.1/25578
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationClimate-mediated shifts in marine resources: an eco-socio-economic approach to assess vulnerability of fisheries to Climate Change.
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relation.ispartofRegional Studies in Marine Science
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectEstuary
dc.subjectIchthyofauna
dc.subjectFish assemblage
dc.subjectFishing gears
dc.subjectQuelimane
dc.titleCharacterising different artisanal fishing gears catches that operate in distinct habitats to assess ichthyofauna assemblages in Bons Sinais estuary, Mozambique
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleClimate-mediated shifts in marine resources: an eco-socio-economic approach to assess vulnerability of fisheries to Climate Change.
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND5ed/2022.04803.CEECIND%2FCP1729%2FCT0006/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.citation.startPage103592
oaire.citation.titleRegional Studies in Marine Science
oaire.citation.volume76
oaire.fundingStreamCEEC IND5ed
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMocuba
person.familyNameFlorêncio dos Santos Costa
person.familyNameTeodosio
person.familyNameLeitão
person.givenNameJeremias
person.givenNameEudriano
person.givenNameMaria
person.givenNameFrancisco
person.identifierhttps://scholar.google.com.br/citations?user=wbemx7IAAAAJ&hl=pt-BR
person.identifier620214
person.identifier.ciencia-idE117-86A4-32FF
person.identifier.ciencia-id051E-530F-6366
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.ciencia-id3E1C-DBC2-42D5
person.identifier.orcid0000-0002-7032-4233
person.identifier.orcid0000-0002-8139-2135
person.identifier.orcid0000-0002-0939-9885
person.identifier.orcid0000-0003-4983-9782
person.identifier.ridB-5077-2013
person.identifier.ridM-3980-2013
person.identifier.scopus-author-id56196396700
person.identifier.scopus-author-id7003991946
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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