%0 Journal Article %T Income evaluation of small - scale fishers in two brazilian urban reservoirs: Represa Billings (SP) and Lago Parano¨¢ (DF) %A Petrere Jr. %A M. %A Walter %A T. %A Minte-Vera %A C. V. %J Brazilian Journal of Biology %D 2006 %I Scientific Electronic Library Online %R 10.1590/S1519-69842006000500007 %X the income of small-scale fisheries of two urban reservoirs in brazil: represa billings (127 km2) located in the metropolitan region of s£¿o paulo, the capital city of the state of s£¿o paulo and lago parano¨¢ (38 km2) located in bras¨ªlia (df), the capital city of brazil were calculated and compared. both fisheries are mainly based on the alien nile tilapia oreochromis niloticus (more than 80% of the total catch). although these reservoirs are nearly 900 km apart, their native fish fauna belong to the upper paran¨¢ province. the represa billings fishers have, on average, a daily profit of r$ 15.8 (u$ 8.4 mostly employing gill nets) and lago parano¨¢ fishers r$ 46.6 (u$ 24.9, mostly employing cast nets), which is a statistically significant difference (p < 0.001). the profit of the fisheries is explained by the factor "reservoir" and covariate "days of fishing". due to the increasing violence in the metropolitan region of s£¿o paulo, the represa billings fishery is vanishing. %K small-scale fisheries %K financial analysis %K represa billings %K lago parano¨¢ %K brazil. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1519-69842006000500007&lng=en&nrm=iso&tlng=en