2019-03-162019-03-161993NAGA 16 (2/3): 44-47https://hdl.handle.net/20.500.12348/2950A modification of the Schaefer surplus-production model was used to account for environmental induced variations of shrimp (Penaeus vannamei) catch in northern Peru. Based on time series of catch, effort, river discharge and sea surface temperature, fluctuations in catch of shrimps are explained and discussed with respect to multiple level of carrying capacity and hence different maximum sustainable yields.application/pdfCC BY 4.0Journal Article