Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery

Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock as...
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Autor*in:	H. Cerim [verfasserIn] O. Soykan [verfasserIn] A. Gülşahin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Lessepsian fishery small-scale fishery fisheries

Übergeordnetes Werk:	In: Acta Ichthyologica et Piscatoria - Pensoft Publishers, 2005, 50(2020), 2, Seite 183-190
Übergeordnetes Werk:	volume:50 ; year:2020 ; number:2 ; pages:183-190

Links:	Link aufrufen Link aufrufen Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3750/AIEP/02841

Katalog-ID:	DOAJ027960943

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520			\|a Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource.
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allfields	10.3750/AIEP/02841 doi (DE-627)DOAJ027960943 (DE-599)DOAJad6ca95c621849919c2f2da2491e7092 DE-627 ger DE-627 rakwb eng SH1-691 H. Cerim verfasserin aut Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource. Lessepsian fishery small-scale fishery fisheries Aquaculture. Fisheries. Angling O. Soykan verfasserin aut A. Gülşahin verfasserin aut In Acta Ichthyologica et Piscatoria Pensoft Publishers, 2005 50(2020), 2, Seite 183-190 (DE-627)479467846 (DE-600)2177242-3 17341515 nnns volume:50 year:2020 number:2 pages:183-190 https://doi.org/10.3750/AIEP/02841 kostenfrei https://doaj.org/article/ad6ca95c621849919c2f2da2491e7092 kostenfrei https://aiep.pensoft.net/article/26988/download/pdf/ kostenfrei https://aiep.pensoft.net/article/26988/download/xml/ kostenfrei https://aiep.pensoft.net/article/26988/ kostenfrei https://doaj.org/toc/1734-1515 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_252 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 50 2020 2 183-190
spelling	10.3750/AIEP/02841 doi (DE-627)DOAJ027960943 (DE-599)DOAJad6ca95c621849919c2f2da2491e7092 DE-627 ger DE-627 rakwb eng SH1-691 H. Cerim verfasserin aut Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource. Lessepsian fishery small-scale fishery fisheries Aquaculture. Fisheries. Angling O. Soykan verfasserin aut A. Gülşahin verfasserin aut In Acta Ichthyologica et Piscatoria Pensoft Publishers, 2005 50(2020), 2, Seite 183-190 (DE-627)479467846 (DE-600)2177242-3 17341515 nnns volume:50 year:2020 number:2 pages:183-190 https://doi.org/10.3750/AIEP/02841 kostenfrei https://doaj.org/article/ad6ca95c621849919c2f2da2491e7092 kostenfrei https://aiep.pensoft.net/article/26988/download/pdf/ kostenfrei https://aiep.pensoft.net/article/26988/download/xml/ kostenfrei https://aiep.pensoft.net/article/26988/ kostenfrei https://doaj.org/toc/1734-1515 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_252 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 50 2020 2 183-190
allfields_unstemmed	10.3750/AIEP/02841 doi (DE-627)DOAJ027960943 (DE-599)DOAJad6ca95c621849919c2f2da2491e7092 DE-627 ger DE-627 rakwb eng SH1-691 H. Cerim verfasserin aut Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource. Lessepsian fishery small-scale fishery fisheries Aquaculture. Fisheries. Angling O. Soykan verfasserin aut A. Gülşahin verfasserin aut In Acta Ichthyologica et Piscatoria Pensoft Publishers, 2005 50(2020), 2, Seite 183-190 (DE-627)479467846 (DE-600)2177242-3 17341515 nnns volume:50 year:2020 number:2 pages:183-190 https://doi.org/10.3750/AIEP/02841 kostenfrei https://doaj.org/article/ad6ca95c621849919c2f2da2491e7092 kostenfrei https://aiep.pensoft.net/article/26988/download/pdf/ kostenfrei https://aiep.pensoft.net/article/26988/download/xml/ kostenfrei https://aiep.pensoft.net/article/26988/ kostenfrei https://doaj.org/toc/1734-1515 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_252 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 50 2020 2 183-190
allfieldsGer	10.3750/AIEP/02841 doi (DE-627)DOAJ027960943 (DE-599)DOAJad6ca95c621849919c2f2da2491e7092 DE-627 ger DE-627 rakwb eng SH1-691 H. Cerim verfasserin aut Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource. Lessepsian fishery small-scale fishery fisheries Aquaculture. Fisheries. Angling O. Soykan verfasserin aut A. Gülşahin verfasserin aut In Acta Ichthyologica et Piscatoria Pensoft Publishers, 2005 50(2020), 2, Seite 183-190 (DE-627)479467846 (DE-600)2177242-3 17341515 nnns volume:50 year:2020 number:2 pages:183-190 https://doi.org/10.3750/AIEP/02841 kostenfrei https://doaj.org/article/ad6ca95c621849919c2f2da2491e7092 kostenfrei https://aiep.pensoft.net/article/26988/download/pdf/ kostenfrei https://aiep.pensoft.net/article/26988/download/xml/ kostenfrei https://aiep.pensoft.net/article/26988/ kostenfrei https://doaj.org/toc/1734-1515 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_252 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 50 2020 2 183-190
allfieldsSound	10.3750/AIEP/02841 doi (DE-627)DOAJ027960943 (DE-599)DOAJad6ca95c621849919c2f2da2491e7092 DE-627 ger DE-627 rakwb eng SH1-691 H. Cerim verfasserin aut Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource. Lessepsian fishery small-scale fishery fisheries Aquaculture. Fisheries. Angling O. Soykan verfasserin aut A. Gülşahin verfasserin aut In Acta Ichthyologica et Piscatoria Pensoft Publishers, 2005 50(2020), 2, Seite 183-190 (DE-627)479467846 (DE-600)2177242-3 17341515 nnns volume:50 year:2020 number:2 pages:183-190 https://doi.org/10.3750/AIEP/02841 kostenfrei https://doaj.org/article/ad6ca95c621849919c2f2da2491e7092 kostenfrei https://aiep.pensoft.net/article/26988/download/pdf/ kostenfrei https://aiep.pensoft.net/article/26988/download/xml/ kostenfrei https://aiep.pensoft.net/article/26988/ kostenfrei https://doaj.org/toc/1734-1515 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_252 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 50 2020 2 183-190
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Cerim</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2020</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Background. In the small-scale fisheries of the Gulf of G&ouml;kova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forssk&aring;l et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of G&ouml;kova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of G&ouml;kova should decrease for the sake of the sustainability of this resource.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Lessepsian fishery</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">small-scale fishery</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">fisheries</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Aquaculture. Fisheries. Angling</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">O. 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callnumber-first	S - Agriculture
author	H. Cerim
spellingShingle	H. Cerim misc SH1-691 misc Lessepsian fishery misc small-scale fishery misc fisheries misc Aquaculture. Fisheries. Angling Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery
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topic_title	SH1-691 Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery Lessepsian fishery small-scale fishery fisheries
topic	misc SH1-691 misc Lessepsian fishery misc small-scale fishery misc fisheries misc Aquaculture. Fisheries. Angling
topic_unstemmed	misc SH1-691 misc Lessepsian fishery misc small-scale fishery misc fisheries misc Aquaculture. Fisheries. Angling
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title	Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery
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title_full	Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery
author_sort	H. Cerim
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author_browse	H. Cerim O. Soykan A. Gülşahin
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title_sort	mortality and exploitation of marbled spinefoot, siganus rivulatus (actinopterygii: perciformes: siganidae), from southern aegean sea small-scale fishery
callnumber	SH1-691
title_auth	Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery
abstract	Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource.
abstractGer	Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource.
abstract_unstemmed	Background. In the small-scale fisheries of the Gulf of Gökova (Turkish coast of the southern Aegean Sea) the marbled spinefoot, Siganus rivulatus Forsskål et Niebuhr, 1775, is a commercially important species. No sustainability study, however, has been carried out on the stock assessment and management of this species in the gulf. The aim of the presently reported study was to determine the mortality and biological reference points of Siganus rivulatus and suggest a proper fishery management plan for fishery regulations. Materials and methods. The sudy was conducted between July 2016 and June 2018. Fish samples were collected from the Gulf of Gökova small-scale fishery. The total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were determined and compared with the biological reference points: the optimum fishing mortality (Fopt), fishing mortality limit reference point (Flim), optimum exploitation rate (Eopt). Results. Total mortality (Z), natural mortality (M), fishing mortality (Fcurr), and exploitation rate (Ecurr) were found to be 0.67, 0.32, 0.35, and 0.52, respectively. Furthermore, biological reference points (Fopt, Flim, Eopt) attained values of 0.16, 0.21, and 0.33 cm, respectively. Conclusion. The fishing pressure for Siganus rivulatus stocks the Gulf of Gökova should decrease for the sake of the sustainability of this resource.
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container_issue	2
title_short	Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery
url	https://doi.org/10.3750/AIEP/02841 https://doaj.org/article/ad6ca95c621849919c2f2da2491e7092 https://aiep.pensoft.net/article/26988/download/pdf/ https://aiep.pensoft.net/article/26988/download/xml/ https://aiep.pensoft.net/article/26988/ https://doaj.org/toc/1734-1515
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author2	O. Soykan A. Gülşahin
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up_date	2024-07-03T14:58:43.255Z
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Mortality and exploitation of marbled spinefoot, Siganus rivulatus (Actinopterygii: Perciformes: Siganidae), from southern Aegean Sea small-scale fishery

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