Desempenho Ambiental da Piscicultura na Amazônia Ocidental Brasileira

Borges, Aurélio Ferreira; Borges, Marcos Alexandre; Rezende, José Luiz Pereira de; Durigon, Michel; Corte, Angélico; Beltrame, Francesco; Corim, R. B.; Alves, Eliane Campos

doi:10.14688/1984-3801.v06n01a13

GSTY

2013

DOI: 10.14688/1984-3801.v06n01a13

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Desempenho Ambiental da Piscicultura na Amazônia Ocidental Brasileira

Aurélio Ferreira Borges¹,

Marcos Alexandre Borges²,

José Luiz Pereira de Rezende³

et al.

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Cited by 3 publications

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“…Approach to the coefficients of environmental performance of estates in the analyzed sample, Colorado do Oeste, 2011. Source: survey data andBorges et al (2013).…”

mentioning

confidence: 99%

Environmental performance of aquaculture in Rondônia state, Brazil

et al. 2015

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The objective of this study was to analyze the environmental performance of aquaculture in the city of Colorado do Oeste, Rondônia State, Brazil. Fifteen fish farmers were interviewed. For data collection, structured interviews were carried out, using a questionnaire based on information supplied by the United Nations Food and Agriculture Organization (FAO). The questionnaire considered 12 items, organized into three main topics: a) social and legal standards b) environmental standards c) standards of food safety and hygiene. The questionnaire considered 12 items, organized into three main topics: a) social and legal standards b) environmental standards c) standards of food safety and hygiene. Aquaculture in the city of Colorado do Oeste, Rondônia presents two fish production systems: extensive and semi-intensive. In the semi-intensive system, stocking rate was one fish per m3, on average; tambaqui (Colossoma macropomum), tilapias (Oreochromis spp.), pirarucu (Arapaima gigas) and pintado (Pseudoplatystoma spp.) were the species farmed at the largest number. The rate of water renewal was due to the greater availability of natural food in this system. Water renewal was constant in the ponds (1,500 liters per minute). In the semi-intensive system using dug ponds, alevins were stocked and fed during the entire rearing time with natural and exogenous food. The extensive system relied on the natural production of the pond, with stocking density limited by the production of natural food. The little renewal of water made the cultivation tank itself acted as a decantation lake, with the occurrence of oxidation and sedimentation of residual organic matter, consisting of feces, debris and organic fertilizer. Production of reduced effluent volume took place in the extensive system, compared to the cultivation area. In addition, there was high water turbidity, caused by high concentration of planktonic organisms, and low concentrations of dissolved oxygen in the water. Data showed that nine estates of the interviewed fish farmers had critical environmental performance (less than 30.0%). Six estates of fish farmers had bad environmental performance (between 30.0 and 50.0%) (Coefficient of sustentainability = green square x 100 ÷ Total Questions less the yellow squares)

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“…Approach to the coefficients of environmental performance of estates in the analyzed sample, Colorado do Oeste, 2011. Source: survey data andBorges et al (2013).…”

mentioning

confidence: 99%

Environmental performance of aquaculture in Rondônia state, Brazil

et al. 2015

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Piscicultura no Sudoeste da Amazônia Brasileira: O Caso de Rondônia em 2009

Anjos¹,

Souza²,

Santiago³

et al. 2015

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Clasificación de los sistemas de producción y grado de impacto ambiental de las pisciculturas en el estado de Amazonas, Brasil

Lima

Bussons²,

Lima

2019

Rev Colombiana Cienc Anim. RECIA

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A piscicultura é umas atividades zootécnicas que mais tem crescido nos últimos anos, em especial na Amazônia Brasileira. O presente estudo foi realizado no Estado do Amazonas, um dos maiores consumidores de pescado no Brasil. O estudo foi realizado com objetivo de caracterizar os sistemas de produção, o grau de severidade de impactos ambientais que essa atividade promove nos ambientes amazônicos e as perspectivas de desenvolvimento futuro nas diferentes mesorregiões do estado. As investigações foram realizadas por meio da coleta de dados secundárias fornecidos pelo Instituto de Proteção Ambiental do Amazonas (IPAAM), que possui registrado e armazenado 1.382 pisciculturas em seu banco de dados. Para as investigações, as informações de processos do IPAAM foram examinadas e organizadas por microrregião do estado, explorando seus principais indicadores técnicos, as infraestruturas de produção de formas jovens, o tamanho dos empreendimentos e o enquadramento do grau de severidade de impacto ambiental por porte da piscicultura. Os resultados obtidos mostram que a piscicultura é praticada majoritariamente para engorda de tambaqui com finalidade de comercialização, realizada em estruturas de terra firme (viveiros escavados e barragens) em pequenas áreas alagadas, com aplicação de sistema semi-intensivo de produção, sendo desenvolvida próximo a centro consumidor (Manaus), tendo como causa da sua concentração fatores logísticos e de infraestrutura disponíveis, com a maioria dos empreendimentos enquadrados como baixo grau de severidade de impacto ambiental.

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Desempenho Ambiental da Piscicultura na Amazônia Ocidental Brasileira

Cited by 3 publications

References 2 publications

Environmental performance of aquaculture in Rondônia state, Brazil

Environmental performance of aquaculture in Rondônia state, Brazil

Piscicultura no Sudoeste da Amazônia Brasileira: O Caso de Rondônia em 2009

Clasificación de los sistemas de producción y grado de impacto ambiental de las pisciculturas en el estado de Amazonas, Brasil

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