Changes in population characteristics of Mytella falcata (D'ORBIGNY, 1846) beds, an exploited tropical estuarine mussel
Keywords:
mussel, exploitation, mangrove, estuaryAbstract
Mytella falcata is a heavily exploited mussel from Brazilian mangrove estuaries. Population density, spatial dispersion, shell length, dry weight and biomass of mussels were estimated from two exploited beds and one unexploited bed. In the latter, mussels were smaller due to lower tidal inundation frequency and thus had little economic value. Mussels were continuously harvested from exploited beds until almost all individuals were removed and mussel spatial dispersion changed from aggregated to random as harvesting proceeded. Exploitation does not appear to be strongly size-selective as mean shell size and dry weight either remained high or increased during the harvesting season. In the unexploited bed, spatial dispersion remained aggregated but density decreased during the wet season, perhaps as a result of low salinity. The population characteristics studied are simple but potentially important indicators of overexploitation for use in mussel bed management.
References
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ALONGI, D.M. 2002 Present state and future of the world's mangrove forests. Environmental Conservation, Cambridge, 29(3): 331-349.
ASHTON, E.C.; HOGARTH, P.J.; MACLNTOSH,D.J. 2003 A comparison of brachyuran crab community structure at four mangrove locations under different management
systems along the Melaka Straits-Andaman Sea Coast of Malaysia and Thailand. Estuaries,Port Republic, 26(6): 1461-1471.
BARLETTA, M.; BARLETTA-BERGAN, A.; SAINT-PAUL, U. 1998 Description of the fisheries structure in the mangrovedominated region of Bragança (State of Pará, North Brazil). Ecotropica, Hamburg, 4: 41-53.
BLANDTT, L.S. e GLASER, M. 1999 A escassez do mexilhão (Mytella sp.) no manguezal da bacia do Rio Caeté em Bragança. In: WORKSHOP DO PROGRAMA MADAM
(MANGROVE DYNAMICS AND MANAGEMENT), 5., 10-12/nov./1999. Universidade Federal do Pará, Belém, Brasil.p.17-18.
BOER, de W.F. and PRINS, H.H.T. 2002 Human exploitation and benthic community structure on a tropical intertidal flat. Journal of Sea Research, Amsterdam, 48: 225-240.
DAME, R.F. 1996 Ecology of marine bivalves: An ecosystem approach. Marine Science Series,Boca Raton. 254 p.
DAY Jr., J.W.; HALL, C.A.S.; KEMP, W.M.; YÁí"˜EZ-ARANCIBIA, A. 1989 The estuarine
bottom and benthic subsystem. In: DAY Jr.; J.W.; HALL, C.A.S.; KEMP, W.M.; YÁí"˜EZARANCIBIA, A. (eds.) Estuarine Ecology. John Wiley and Sons, Inc., New York. p.338-376.
DIEGUES, A.C. 2004 Áreas reservadas para a pesca artesanal. In: DIEGUES, A.C. (ed.) A pesca construindo sociedades. NUPAUB-USP,São Paulo. p.225-242.
ELLIOTT, J.M. 1983 Some methods for the statistical analysis of benthic invertebrates. Second edition reprinted with minor corrections. Freshwater Biological Association, Ambleside. 176p.
FERNANDES, L.M.B.; CASTRO, A.C.L. de;FERNANDES, G. de L.; MENDES, G.N.;
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FRÉCHETTE, M.; BUTMAN, C.A.; GEYER, W.R.1989 The importance of boundary-layer flows in supplying phytoplankton to the benthic suspension feeder, Mytilus edulis L. Limnology and Oceanography, Canada, 34: 19-36.
GILBERT, A.J. and JANSSEN, R. 1998 Use of environmental functions to communicate the values of a mangrove ecosystem under different management regimes. Ecological Economics, Boston, 25: 323-346.
GLASER, M. 2003 Interrelations between mangrove ecosystem, local economy and
social sustainability in Caete Estuary, North Brazil. Wetlands Ecology and Management,Dordrecht, 11: 265-272.
GLASER, M. and Diele, K. 2004 Asymmetric outcomes, assessing central aspects of the biological, economic and social sustainability of a mangrove crab fishery, Ucides cordatus (Ocypodidae), in North Brazil. Ecological Economics, Boston, 49: 361-373.
GLASER, M. and Oliveira, R.D. 2004 Prospects for the co-management of mangrove ecosystems on the North Brazilian coast. Whose rights, whose duties and whose priorities? Natural Resources Forum, Oxford, 28: 224-233.
GLASER, M.; BERGER U.; MACíÅ DO, R. 2003 Local vulnerability as an advantage,
mangrove forest management in Pará state, north Brazil, under conditions of illegality. Regional Environmental Change, Germany, 3:162-172.
GOSLING, E. 2003 Bivalve mollusks: biology, ecology and culture. Oxford: Fishing News Books.443p.
HENRIQUES, M.B.; PEREIRA, O.M.; MARQUES, H.L. de A.; BARRELA, W. 2001 Estimativa do tempo de recuperação de um banco natural do mexilhão Perna perna (Linnaeus, 1758) na Baía de Santos, Estado de São Paulo. Holos Environment, Rio Claro, 1: 85-100.
HENRIQUES, M.B.; MARQUES, H.L. de A.;PEREIRA, O.M.; BASTOS, G.C.C. 2004
Aspectos da estrutura populacional de mexilhões Perna perna, relacionados í extração em bancos naturais na Baía de Santos, Estado de São Paulo. Boletim do Instituto de Pesca, São Paulo, 30: 117-126.
HERTZ, R. 1991 Manguezais do Brasil. Instituto de Oceanografia. 1ª. ed. São Paulo:Universidade de São Paulo. 54p.
IFTEKHAR, M.S. and ISLAM, M.R. 2004 Degeneration of Bangladesh's Sundarbans
mangroves, a management issue. The International Forestry Review, United Kingdom,6: 123-135.
IHAKA, R. and GENTLEMAN, R. 1996 R: a language for data analysis and graphics.
Journal of Computational and Graphical Statistics, United States, 5: 299-314.
ISLAM, M.S. and HAQUE, M. 2004 The mangrove-based coastal and nearshore
fisheries of Bangladesh, ecology, exploitation and management. Reviews in Fish Biology and Fisheries, Germany, 14: 153-180.
ISLAM, M.S. and WAHAB, M.A. 2005 A review on the present status and management of mangrove wetland habitat resources in Bangladesh with emphasis on mangrove
fisheries and aquaculture. Hydrobiologia,Dordrecht, 542: 165-190.
MARQUES, H.L.A. 1998 Criação comercial de mexilhões. São Paulo:Nobel. 109 p.
MARQUES-SILVA, N.S.; BEASLEY, C.R.;GOMES, C.P.; GARDUNHO, D.C.L.;
TAGLIARO, C.H.; SCHORIES, D.; MEHLIG,U. 2006 Settlement dynamics of the encrusting epibenthic macrofauna in two creeks of the Caeté mangrove estuary (North Brazil).Wetlands Ecology and Management, Dordrecht,14: 67-78.
MUEDAS, W. e MOREIRA, I.C.N. 2006 Sururu in Maranhão. Experimental cultures of "sururu"(Mytella falcata, Orbigny 1842) in Alcí¢ntara/MA. Brazilian Mariculture Linkage Program News, 38: 1-3.
NARCHI, W. e GALVÃO-BUENO, M.S. 1983 Anatomia funcional de Mytella charruana
(D'Orbigny, 1846) (Bivalvia, Mytilidae).Boletim de Zoologia, São Paulo, 6: 113-145.
NASCIMENTO, I.V. 1968 Estudo preliminar da maturidade do sururu Mytella falcata
(Orbigny, 1846). Boletim de Estudos de Pesca,Recife, 8: 17-33.
NASCIMENTO, I.V. 1969 Sobre a reprodução do sururu Mytella falcata (Orbigny 1846). Boletim de Estudos de Pesca, Recife, 9: 51-64.
NISHIDA, A.K.; NORDI, N.; ALVES, R.R. da N.2006 Mollusc gathering in northeast Brazil, an ethnoecological approach. Human Ecology,New York, 34: 133-144.
OO, N.W. 2002 Present state and problems of mangrove management in Myanmar. Trees,Berlin, 16: 218-223.
PEREIRA-BARROS, J.B. 1987 Ecologia do sururu Mytella falcata (Mollusca, Mytilidae) da Lagoa Mundaú (Maceió í AL). Boletim de Estudos de Ciências do Mar, Maceió, 6: 84-86.
PEREIRA-BARROS, J.B. e MACEDO, S.J. 1967 Criação do sururu Mytella falcata (Orbigny, 1846) em laboratório. Boletim de Estudos de Pesca, Recife, 7: 31-42.
PEREIRA-BARROS, A.T.L. e PEREIRA-BARROS, J.B. 1987 Importí¢ncia sócio-econômica do sururu (Mytella falcata í Mollusca, Mytilidae) para a população da cidade de Coqueiro Seco.Boletim de Estudos de Ciências do Mar, Maceió,6: 49-64.
PEREIRA-BARROS, A.T.L. e PEREIRA-BARROS,J.B. 1988 Estudo comparativo da importí¢nciado sururu (Mytella falcata í Mollusca í Mytilidae) entre as populações de Fernão Velho e Rio Novo í AL. Boletim de Estudos de Ciências do Mar, Maceió, 7: 21-24.
PEREIRA, O.M. e GRAí"¡A-LOPES, R. 1995 Fixação de sementes de Mytella falcata
(sururu) em coletores artificiais no canal de Bertioga, estuário de Santos, estado de São Paulo, Brasil. Boletim do Instituto de Pesca, São Paulo, 22 (1): 165-173.
SAINT-PAUL, U. 2006 Interrelations among mangroves, the local economy and social
sustainability, a review from a case study in North Brazil. In: HOANH, C.T.; TUONG,
T.P.; GOWING, J.W.; HARDY, B. (eds.) Environment and livelihoods in tropical coastal
zones: managing agriculture - fishery -aquaculture conflicts. CABI Publishing UK,
International Rice Research Institute (IRRI), Philippines and International Water
Management Institute (IWMI) (Sri Lanka).p.154-162.
SHUNULA, J.P. 2002 Public awareness, key to mangrove management and conservation, the case of Zanzibar. Trees, Berlin, 16: 209-212.
TAM, N.F.Y. and WONG, Y.S. 2002 Conservation and sustainable exploitation of mangroves in Hong Kong. Trees, Berlin, 16: 224-229.
UNDERWOOD, A.J. 1997 Experiments in ecology. Their logical design and interpretation using analysis of variance. Cambridge: Cambridge University Press. 522 p.
VAN HUE, L.T. 2003 Is sustainable mangrove management possible in the Red River delta of Vietnam? European Tropical Forest Research,Network News, 39(40): 81-83.
VENABLES, W.N. and RIPLEY, B.D. 2002 Modern applied statistics with S. Springer, New York.469p.
WALTERS, B.B. 2004 Local management of mangrove forests in the Philippines,
Successful conservation or efficient resource exploitation? Human Ecology, New York, 32:177-195.
WOLFF, M.; KOCH, V.; ISAAC, V. 2000 A trophic flow model of the Caeté mangrove
estuary (North Brazil) with considerations for the sustainable use of its resources.
Estuarine, Coastal and Shelf Science, London,50: 789-803.
ALONGI, D.M. 2002 Present state and future of the world's mangrove forests. Environmental Conservation, Cambridge, 29(3): 331-349.
ASHTON, E.C.; HOGARTH, P.J.; MACLNTOSH,D.J. 2003 A comparison of brachyuran crab community structure at four mangrove locations under different management
systems along the Melaka Straits-Andaman Sea Coast of Malaysia and Thailand. Estuaries,Port Republic, 26(6): 1461-1471.
BARLETTA, M.; BARLETTA-BERGAN, A.; SAINT-PAUL, U. 1998 Description of the fisheries structure in the mangrovedominated region of Bragança (State of Pará, North Brazil). Ecotropica, Hamburg, 4: 41-53.
BLANDTT, L.S. e GLASER, M. 1999 A escassez do mexilhão (Mytella sp.) no manguezal da bacia do Rio Caeté em Bragança. In: WORKSHOP DO PROGRAMA MADAM
(MANGROVE DYNAMICS AND MANAGEMENT), 5., 10-12/nov./1999. Universidade Federal do Pará, Belém, Brasil.p.17-18.
BOER, de W.F. and PRINS, H.H.T. 2002 Human exploitation and benthic community structure on a tropical intertidal flat. Journal of Sea Research, Amsterdam, 48: 225-240.
DAME, R.F. 1996 Ecology of marine bivalves: An ecosystem approach. Marine Science Series,Boca Raton. 254 p.
DAY Jr., J.W.; HALL, C.A.S.; KEMP, W.M.; YÁí"˜EZ-ARANCIBIA, A. 1989 The estuarine
bottom and benthic subsystem. In: DAY Jr.; J.W.; HALL, C.A.S.; KEMP, W.M.; YÁí"˜EZARANCIBIA, A. (eds.) Estuarine Ecology. John Wiley and Sons, Inc., New York. p.338-376.
DIEGUES, A.C. 2004 Áreas reservadas para a pesca artesanal. In: DIEGUES, A.C. (ed.) A pesca construindo sociedades. NUPAUB-USP,São Paulo. p.225-242.
ELLIOTT, J.M. 1983 Some methods for the statistical analysis of benthic invertebrates. Second edition reprinted with minor corrections. Freshwater Biological Association, Ambleside. 176p.
FERNANDES, L.M.B.; CASTRO, A.C.L. de;FERNANDES, G. de L.; MENDES, G.N.;
JURAS, I. da A.G.M. 1983 Relatório final: caracterização ambiental e prospecção pesqueira do estuário do rio Cururuca, Maranhão. Pará: Superintendência do Desenvolvimento da Amazônia, Universidade Federal do Maranhão. 35 p.
FRÉCHETTE, M.; BUTMAN, C.A.; GEYER, W.R.1989 The importance of boundary-layer flows in supplying phytoplankton to the benthic suspension feeder, Mytilus edulis L. Limnology and Oceanography, Canada, 34: 19-36.
GILBERT, A.J. and JANSSEN, R. 1998 Use of environmental functions to communicate the values of a mangrove ecosystem under different management regimes. Ecological Economics, Boston, 25: 323-346.
GLASER, M. 2003 Interrelations between mangrove ecosystem, local economy and
social sustainability in Caete Estuary, North Brazil. Wetlands Ecology and Management,Dordrecht, 11: 265-272.
GLASER, M. and Diele, K. 2004 Asymmetric outcomes, assessing central aspects of the biological, economic and social sustainability of a mangrove crab fishery, Ucides cordatus (Ocypodidae), in North Brazil. Ecological Economics, Boston, 49: 361-373.
GLASER, M. and Oliveira, R.D. 2004 Prospects for the co-management of mangrove ecosystems on the North Brazilian coast. Whose rights, whose duties and whose priorities? Natural Resources Forum, Oxford, 28: 224-233.
GLASER, M.; BERGER U.; MACíÅ DO, R. 2003 Local vulnerability as an advantage,
mangrove forest management in Pará state, north Brazil, under conditions of illegality. Regional Environmental Change, Germany, 3:162-172.
GOSLING, E. 2003 Bivalve mollusks: biology, ecology and culture. Oxford: Fishing News Books.443p.
HENRIQUES, M.B.; PEREIRA, O.M.; MARQUES, H.L. de A.; BARRELA, W. 2001 Estimativa do tempo de recuperação de um banco natural do mexilhão Perna perna (Linnaeus, 1758) na Baía de Santos, Estado de São Paulo. Holos Environment, Rio Claro, 1: 85-100.
HENRIQUES, M.B.; MARQUES, H.L. de A.;PEREIRA, O.M.; BASTOS, G.C.C. 2004
Aspectos da estrutura populacional de mexilhões Perna perna, relacionados í extração em bancos naturais na Baía de Santos, Estado de São Paulo. Boletim do Instituto de Pesca, São Paulo, 30: 117-126.
HERTZ, R. 1991 Manguezais do Brasil. Instituto de Oceanografia. 1ª. ed. São Paulo:Universidade de São Paulo. 54p.
IFTEKHAR, M.S. and ISLAM, M.R. 2004 Degeneration of Bangladesh's Sundarbans
mangroves, a management issue. The International Forestry Review, United Kingdom,6: 123-135.
IHAKA, R. and GENTLEMAN, R. 1996 R: a language for data analysis and graphics.
Journal of Computational and Graphical Statistics, United States, 5: 299-314.
ISLAM, M.S. and HAQUE, M. 2004 The mangrove-based coastal and nearshore
fisheries of Bangladesh, ecology, exploitation and management. Reviews in Fish Biology and Fisheries, Germany, 14: 153-180.
ISLAM, M.S. and WAHAB, M.A. 2005 A review on the present status and management of mangrove wetland habitat resources in Bangladesh with emphasis on mangrove
fisheries and aquaculture. Hydrobiologia,Dordrecht, 542: 165-190.
MARQUES, H.L.A. 1998 Criação comercial de mexilhões. São Paulo:Nobel. 109 p.
MARQUES-SILVA, N.S.; BEASLEY, C.R.;GOMES, C.P.; GARDUNHO, D.C.L.;
TAGLIARO, C.H.; SCHORIES, D.; MEHLIG,U. 2006 Settlement dynamics of the encrusting epibenthic macrofauna in two creeks of the Caeté mangrove estuary (North Brazil).Wetlands Ecology and Management, Dordrecht,14: 67-78.
MUEDAS, W. e MOREIRA, I.C.N. 2006 Sururu in Maranhão. Experimental cultures of "sururu"(Mytella falcata, Orbigny 1842) in Alcí¢ntara/MA. Brazilian Mariculture Linkage Program News, 38: 1-3.
NARCHI, W. e GALVÃO-BUENO, M.S. 1983 Anatomia funcional de Mytella charruana
(D'Orbigny, 1846) (Bivalvia, Mytilidae).Boletim de Zoologia, São Paulo, 6: 113-145.
NASCIMENTO, I.V. 1968 Estudo preliminar da maturidade do sururu Mytella falcata
(Orbigny, 1846). Boletim de Estudos de Pesca,Recife, 8: 17-33.
NASCIMENTO, I.V. 1969 Sobre a reprodução do sururu Mytella falcata (Orbigny 1846). Boletim de Estudos de Pesca, Recife, 9: 51-64.
NISHIDA, A.K.; NORDI, N.; ALVES, R.R. da N.2006 Mollusc gathering in northeast Brazil, an ethnoecological approach. Human Ecology,New York, 34: 133-144.
OO, N.W. 2002 Present state and problems of mangrove management in Myanmar. Trees,Berlin, 16: 218-223.
PEREIRA-BARROS, J.B. 1987 Ecologia do sururu Mytella falcata (Mollusca, Mytilidae) da Lagoa Mundaú (Maceió í AL). Boletim de Estudos de Ciências do Mar, Maceió, 6: 84-86.
PEREIRA-BARROS, J.B. e MACEDO, S.J. 1967 Criação do sururu Mytella falcata (Orbigny, 1846) em laboratório. Boletim de Estudos de Pesca, Recife, 7: 31-42.
PEREIRA-BARROS, A.T.L. e PEREIRA-BARROS, J.B. 1987 Importí¢ncia sócio-econômica do sururu (Mytella falcata í Mollusca, Mytilidae) para a população da cidade de Coqueiro Seco.Boletim de Estudos de Ciências do Mar, Maceió,6: 49-64.
PEREIRA-BARROS, A.T.L. e PEREIRA-BARROS,J.B. 1988 Estudo comparativo da importí¢nciado sururu (Mytella falcata í Mollusca í Mytilidae) entre as populações de Fernão Velho e Rio Novo í AL. Boletim de Estudos de Ciências do Mar, Maceió, 7: 21-24.
PEREIRA, O.M. e GRAí"¡A-LOPES, R. 1995 Fixação de sementes de Mytella falcata
(sururu) em coletores artificiais no canal de Bertioga, estuário de Santos, estado de São Paulo, Brasil. Boletim do Instituto de Pesca, São Paulo, 22 (1): 165-173.
SAINT-PAUL, U. 2006 Interrelations among mangroves, the local economy and social
sustainability, a review from a case study in North Brazil. In: HOANH, C.T.; TUONG,
T.P.; GOWING, J.W.; HARDY, B. (eds.) Environment and livelihoods in tropical coastal
zones: managing agriculture - fishery -aquaculture conflicts. CABI Publishing UK,
International Rice Research Institute (IRRI), Philippines and International Water
Management Institute (IWMI) (Sri Lanka).p.154-162.
SHUNULA, J.P. 2002 Public awareness, key to mangrove management and conservation, the case of Zanzibar. Trees, Berlin, 16: 209-212.
TAM, N.F.Y. and WONG, Y.S. 2002 Conservation and sustainable exploitation of mangroves in Hong Kong. Trees, Berlin, 16: 224-229.
UNDERWOOD, A.J. 1997 Experiments in ecology. Their logical design and interpretation using analysis of variance. Cambridge: Cambridge University Press. 522 p.
VAN HUE, L.T. 2003 Is sustainable mangrove management possible in the Red River delta of Vietnam? European Tropical Forest Research,Network News, 39(40): 81-83.
VENABLES, W.N. and RIPLEY, B.D. 2002 Modern applied statistics with S. Springer, New York.469p.
WALTERS, B.B. 2004 Local management of mangrove forests in the Philippines,
Successful conservation or efficient resource exploitation? Human Ecology, New York, 32:177-195.
WOLFF, M.; KOCH, V.; ISAAC, V. 2000 A trophic flow model of the Caeté mangrove
estuary (North Brazil) with considerations for the sustainable use of its resources.
Estuarine, Coastal and Shelf Science, London,50: 789-803.
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