Perceptions of local people on environmental impacts and changes on fisheries in a coastal lagoon at the Brazilian South
Keywords:
ethnoecology, rice farming, artisanal fishery, social conflicts, resource management, human ecologyAbstract
Anthropic exploration has been causing impacts in coastal lagoons of Brazilian South. The goal of the present study was to investigate the main environmental and social aspects related to the conflict between fishers and rice farmers, based on the local ecological knowledge of people living at the Bacopari Lagoon, Mostarda, RS. Interviews with semi-structured questionnaires were conducted with 17 residents (including 12 fishers). Interviewees mentioned 26 fish species occurring in the lagoon and 16 interviewees mentioned changes on the fisheries and the lagoon, such as overfishing (n = 9) and siltation (n = 8) due to water withdrawal for irrigation of rice fields. During a workshop, which was held to present survey’s results to the community, local people suggested demands, which were organized as scientific hypotheses. The results reinforce the importance of studies on local ecological knowledge as a complement to biological surveys and to support the dialogue involving local people and other actors, aimed at solving the environmental and social conflicts in coastal ecosystems.
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SILVANO, R.A.M.; MACCORD, P.F.L.; LIMA,R.V.; BEGOSSI, A. 2006 When does this fish
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SILVANO, R.A.M.; SILVA, A.L.; CERONI, M.;BEGOSSI, A. 2008 Contributions of
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SILVANO, R.A.M.; GASALLA, M.A.; SOUZA,S.P. 2009 Applications of Fishers’ Local
Ecological Knowledge to Better Understand and Manage Tropical Fisheries. In: LOPES, P. e BEGOSSI, A. Current Trends in Human Ecology. Newcastle upon Tyne: Cambridge Scholars Publishing. p.76-100.
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Günther, 1880) no sul do Brasil. Atlí¢ntica, Rio Grande, 13(1): 131-141.
factors influencing environmental attitudes and behaviors within three rural wetland
communities. Environmental Conservation,Newcastle, 36(1): 14í 21.
BERKES, F.; COLDING, J.; FOLKE, C. 2000 Rediscovery of traditional ecological
knowledge as adaptive management.Ecological Applications, Ithaca, 10: 1251í 1262.
BURNS, M.D.M.; GARCIA, A.M.; VIEIRA, J.P.;BEMVENUTI, M.A.; MOTTA MARQUES,
D.M.; CONDINI, V. 2006 Evidence of habitat fragmentation affecting fish movement
between the Patos and Mirim coastal lagoons in southern Brazil. Neotropical Ichthyology, Porto Alegre, 4(1): 69-72.
BURGER, M.I. 1999 Situação e Ações Prioritárias para a Conservação de Banhados e Áreas íÅ¡midas da Zona Costeira. Avaliação e Ações Prioritárias para a Conservação da biodiversidade da Zona Costeira e Marinha, Porto Seguro. 60 p.
CALHEIROS, D.F.; SEIDL, A.F.; FERREIRA, C.J.A.2000 Participatory research methods in
environmental science: local and scientific knowledge of a limnological phenomenon in the Pantanal wetland of Brazil. Journal of Applied Ecology, London, 37: 684-696.
CHOMENKO, L. 1999 Estratégias de atuação com vistas í implantação de gestão ambiental e sustentabilidade em áreas rurais. Doc de Trabajo Unesco Mab Prog de Coop Sus Sur Sobre Desarollo Socioeconomico Ambientalmente Adequado En Los Tropicos, Portugal, 28: 54-57.
COTRIN, D.S. e MIGUEL, L.A. 2007 Uso do enfoque sistêmico na pesca artesanal em
Tramandaí í RS. Eisforia, Florianópolis, 5(2):136-160.
DAVIS, A. and WAGNER, J.R. 2003 Who Knows?On the importance of identifying "expertsâ€Âwhen researching local ecological knowledge.Human Ecology, New York, 31: 463-489.
ESTEVES, F.A.; CALIMAN, A.; SANTANGELO,J.M.; GUARIENTO, R.D.; FARJALLA, V.F.;
BOZELLI, R.L. 2008 Neotropical coastal lagoons: An appraisal of their biodiversity,
functioning, threats and conservation management. Brazilian Journal of Biology, São
Carlos, 68(4, Suppl.): 967-981.
FROESE, R. and PAULY, D. 2009 FishBase. World Wide Web electronic publication. Disponível em: http://www.fishbase.org versão(04/2009) Acesso em: 29 jun. 2009.
GOOGLE 2009. Google Maps. Disponível em:http://maps.google.com Acesso em: 04 jul.2009.
HUNTINGTON, H.P. 2000 Using traditional ecological knowledge in science: methods and applications. Ecological Applications, Ithaca, 10:1270í 1274.
HUNTINGTON, H.P.; BROWNSCHWALENBERG P.K.; FROST K.J.;FERNANDEZ-GIMENEZ M.E.; NORTON D.W.; ROSENBERG D.H. 2002 Observations on the workshop as a means of improving communication between holders of traditional and scientific knowledge. Environmental Management, Oak Ridge, 30: 778-792.
IBAMA 2008. Tabelas com as regras para a pesca amadora no periodo de defeso 2008-2009.
Disponível em: http://www.ibama.gov.br/pesca-amadora/wp-content/files/defeso_
08_09atualizado.pdf Acesso em: 10 jul. 2009.
JOHANNES, R.E. and YEETING, B. 2000 I-Kiribati knowledge and management of Tarawa's Lagoon resources. Atoll Research Bulletin,Washington, 489.
JOHANNES, R.E.; FREEMAN, M.M.M.;HAMILTON, R.J. 2000 Ignore fishers'
knowledge and miss the boat. Fish and Fisheries, Oxford, 1: 257í 271.
KLUBNIKIN, K.; ANNETT, C.; CHERKASOVA,M.; SHISHIN, M.; FOTIEVA, I. 2000 The
Sacred and the Scientific: Traditional Ecological Knowledge in Siberian River
Conservation. Ecological Applications, Ithaca,10: 1296-1306
KURIEN, J. 1998 Traditional ecological knowledge and ecosystem sustainability: new meaning to Asian coastal proverbs. Ecological Applications,Ithaca, 8: S2í S5.
LOEBMANN, D.; VIEIRA, J.P.; MARTINS, S.E. 2003 Ictiofauna da Lagoa Azul, município de Bacopari, Rio Grande do Sul, Brasil. V Jornada Biológica, Rio Grande. 03/02/2003.
MACK, R.N.; SIMBERLOFF, D.; LONSDALE,W.M.; EVANS, H.; CLOUT, M..; BAZZAZ, F.
A. 2000. Biotic invasions: causes, epidemiology, global consequences, and
control. Ecological Applications, Ithaca, 10:689-710.
MALABARBA, L. R. 2008 Catálogo dos peixes de água doce do sistema da Laguna dos Patos. Disponível em: http://www.ufrgs.br/ictio/lagunapatos/ Acesso em: 30 jul. 2009.
MAURSTAD, A.; DALE, T.; BJORN, P.A. 2007 You Wouldn’t Spawn in a Septic Tank, Would You? Human Ecology, New York, 35: 601-610.
RSVIRTUAL 2004 Economia -Mostardas. Disponível em:
http://www.rsvirtual.net/cgi-bin/dados/webdata_pro.pl?_cgifunction=search&_layout=Economia1&municipios.municipios=Mostar das#Arroz Acesso em: 22 dez. 2009.
SCHIFINO, L.C.; FIALHO, C.B.; VERANI, J.R.2004 Fish Community Composition,
Seasonality and Abundance in Fortaleza Lagoon, Cidreira. Brazilian Archives of Biology and Technology, Curitiba, 47(5): 755-763.
SCHWARZBOLD, A. 1982 Influência da morfologia no balanço de substí¢ncias e na distribuição de macrófitos aquáticos nas lagoas costeiras do Rio Grande do Sul. Porto Alegre. 95p. (Dissertação de Mestrado em Ecologia, UFRGS).
SECKENDORFF, R.W. e AZEVEDO, V.G. 2007 Abordagem histórica da pesca da Tainha
Mugil platanus e do Parati Mugil curema (Perciformes: Mugilidae) no litoral norte do
Estado de São Paulo. Série Relatórios Técnicos do Instituto de Pesca, São Paulo, 28: 1-8.
SILVA, R.M.P.C da e ESPER, M.L.P. 1991 Observações sobre o desenvolvimento
citomorfológico dos ovários de tainha, Mugil platanus (Günther) da Baía de Paranaguá (Brasil). Acta Biológica Paranaense, Curitiba,20(1,2,3,4): 15-39.
SILVANO, R.A.M. and VALBO-JíËœRGENSEN, J.2008 Beyond fishermen’s tales: contributions of fishers’ local ecological knowledge to fish ecology and fisheries management. Environment, Development and Sustainability,London, 10: 657í 675.
SILVANO, R.A.M.; UDVARDY, S.; CERONI. M.;FARLEY, J. 2005 An ecological integrity
assessment of a Brazilian Atlantic Forest watershed based on surveys of stream health and local farmers’ perceptions: implications for management. Ecological Economics,Hanover, 53: 369-385.
SILVANO, R.A.M.; MACCORD, P.F.L.; LIMA,R.V.; BEGOSSI, A. 2006 When does this fish
spawn? Fishermen’s local knowledge of migration and reproduction of Brazilian
coastal fishes. Environmental Biology of Fishes,Corvallis, 76: 371í 386.
SILVANO, R.A.M.; SILVA, A.L.; CERONI, M.;BEGOSSI, A. 2008 Contributions of
ethnobiology to the conservation of tropical rivers and streams. Aquatic Conservation:Marine and Freshwater Ecosystems, Edinburgh,18: 241-260.
SILVANO, R.A.M.; GASALLA, M.A.; SOUZA,S.P. 2009 Applications of Fishers’ Local
Ecological Knowledge to Better Understand and Manage Tropical Fisheries. In: LOPES, P. e BEGOSSI, A. Current Trends in Human Ecology. Newcastle upon Tyne: Cambridge Scholars Publishing. p.76-100.
VIEIRA, J.P. e SCALABRIN, C. 1991 Migração reprodutiva da "Tainha†(Mugil platanus,
Günther, 1880) no sul do Brasil. Atlí¢ntica, Rio Grande, 13(1): 131-141.
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2018-11-07
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