Katrine Turgeon - CCFFR2017 - Twenty years of fish community dynamics in large reservoirs

@KatrineTurgeon

http://katrineturgeonresearch.weebly.com

(Grill 2015, Winemiller 2016, Zarfl et al. 2014)

The size of the represents the storage capacity of the reservoir

From Grill et al. 2015

From Grill et al. 2015

Impact of the Yacyreta Dam on the Paraguay-Parana River (from “Images of change”, NASA)

New lentic habitat

Variation in water levels and flow far beyond natural amplitudes

Changes in water temperature regime, sedimentation, nutrient cycling

(Nilsson et al. 2005; Dudgeon et al. 2006; Poff et al. 2007; Vörösmarty et al. 2010)

(Stanford et al. 1996; Zohary and Ostrovsky 2011; Johnson et al. 2008; Liermann et al. 2012; Rahel 2000, 2002)

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