Fig. 2. Monthly (a) and daily level (b, between January and March) of the upper Paraná River recorded in Porto São José municipality. In b (right axis), the number of days between January and March, when the upper Paraná River surpassed the threshold of 350 cm (horizontal braked line). The years 2000 and 2001 were considered as years of short floods and 2002 and 2003 as years of moderate floods. Source: National Department of Waters and Electric Energy.

Published as part of Petry, Ana Cristina, Abujanra, Fabiane, Gomes, Luiz Carlos, Jr., Horácio Ferreira Julio & Agostinho, Angelo Antonio, 2013, Effects of the interannual variations in the flood pulse mediated by hypoxia tolerance: the case of the fish assemblages in the upper Paraná River floodplain, pp. 413-424 in Neotropical Ichthyology 11 (2) on page 415, DOI: 10.1590/S1679-62252013005000008, http://zenodo.org/record/12652285