What have we learned from studying 20 years of fish community dynamics in large reservoirs? A...

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Transcript of What have we learned from studying 20 years of fish community dynamics in large reservoirs? A...

Page 1: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
Page 2: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach

Paraguay-Parana River

Page 3: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
Page 4: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
Page 5: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
Page 6: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach

Impede the movement of migratory species (fragmentation)

Non-native species colonization (confounding)

Impacts of drawdown(regulation)

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hydroelectricity complex

reservoirs

stations

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Page 8: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach

20y of data (before and after) Different stations types

Water quality data Very little confounding factors

Page 9: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
Page 10: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
Page 11: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
Page 12: What have we learned from studying 20 years of fish community dynamics in large reservoirs? A multi-scale approach
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ccManagement

Ecology and foodwebChange in T°

Energy demand profiles

Precipitations

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