title: Fishing effort and catch composition of urban market and rural villages in Brazilian Amazon.
abstract: The management of small-scale freshwater fisheries in Amazon has been based usually on surveys of urban markets, while fisheries of rural villages have gone unnoticed. We compared the fishing characteristics (catch, effort and selectivity) between an urban market and five small villages in the Lower Tocantins River (Brazilian Amazon), downstream from a large reservoir. We recorded 86 and 601 fish landings in the urban market and villages, respectively, using the same methodology. The urban fishers showed higher catch per unit of effort, higher amount of ice (related to a higher fishing effort, as ice is used to store fish catches) and larger crew size per fishing trip, but village fishers had a higher estimated annual fish production. Conversely, urban and village fishers used similar fishing gear (gillnets) and the main fish species caught were the same. However, village fishers showed more diverse strategies regarding gear, habitats and fish caught. Therefore, although it underestimated the total amount of fish caught in the Lower Tocantins River region, the data from the urban market could be a reliable indicator of main fish species exploited and fishing gear used by village fishers. Monitoring and management should consider the differences and similarities between urban and rural fisheries, in Amazon and in other tropical regions.
authors.affiliation: Departmento de Ecologia, UFRGS, CP 15007, Porto Alegre, 91501-970, Brazil.
authors.forename: Gustavo
authors.initials: G
authors.lastname: Hallwass
authors.forename: Priscila Fabiana
authors.initials: PF
authors.lastname: Lopes
authors.forename: Anastacio Afonso
authors.initials: AA
authors.lastname: Juras
authors.forename: Renato Azevedo Matias
authors.initials: RA
authors.lastname: Silvano
mesh_terms: D000818:Animals; D001938:Brazil; D003247:Conservation of Natural Resources; D005398:Fisheries / Q000191:economics / Q000379:methods / Q000706:statistics & numerical data*; D005399:Fishes / Q000145:classification*; D045483:Rivers; D012424:Rural Population; D014505:Urban Population