Economic and envrironmental evaluation of sportive fishing at Piracicaba river basin

Authors

  • Paulo Choji Kitamura Empresa Brasileira de Pesquisa Agropecuária, Centro Nacional de Pesquisa do Meio Ambiente, Jaguariúna, SP
  • Ruy Bessa Lopes
  • Fernando Gomes de Castro Júnior Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Etologia, Ambiência e Manejo, Nova Odessa, SP
  • Júlio Ferraz de Queiroz Empresa Brasileira de Pesquisa Agropecuária, Centro Nacional de Pesquisa do Meio Ambiente, Jaguariúna, SP

Keywords:

Sportive fishing, fish and pay, pay and fish, Piracicaba river basin, environmental evaluation, economic evaluation

Abstract

This study aims to present an economic and environmental evaluation of sportive fishing at the Piracicaba river basin, São Paulo. The field data and the laboratory analysis of water samples collected during 1996/97 showed a diversity of situations typical of a new activity. The majority of “fish and pay’s” started in the 90’s and was managed by the owners. The charging system adopted was of two types: “fish and pay”, that combines entrance fee and charge/kg of captured fish, and, “pay and fish”, that uses entrance fee as the only tax. The average fish stock density was 1.18 fishes/m2 of managed lake while the average capture rate was 885kg/lake/month. It was observed that pacu, tambaqui, tambacu, tilápias, African catfish, Chinese carps, Hungarian carps, piau, piauçu and curimbatá were present at the majority of "fish and pay". The results showed a high profitability of fish and pay: an average gross revenue over than 100% of direct costs of production and an average net revenue of 46% over the total costs. The results of water quality analyses of "fish and pay" showed that the temperature and the nitrite concentrations met the CONAMA standards. However, the water quality measured by the transparency, dissolved oxygen, saturation of oxygen, pH and the concentrations of nitrate and ammonia was beyond the permitted limits of CONAMA.

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Published

2013-12-03

Issue

Section

FORAGE CROPS AND PASTURES

How to Cite

Economic and envrironmental evaluation of sportive fishing at Piracicaba river basin. (2013). Bulletin of Animal Husbandry, 56(1), 95-107. http://bia.iz.sp.gov.br/index.php/bia/article/view/926

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