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Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in...

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Page 1: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Page 2: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Paraguay-Parana River

Page 3: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Page 4: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Page 5: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Recruits Adults

Page 6: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Page 7: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Filling time

Eco-regions

Page 8: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

5y

4y

14y

9y

Page 9: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Life history traits Trophic position

Age at first reproduction

Habitat selection Movement

Filling time

Eco-regions

Page 10: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

P < 0.001R2 = 0.29

P = 0.01R2 = 0.13

Page 11: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Ostrofsky 1978

Balon and Coche 1974

Straskraba et al. 1993

Page 12: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

Page 13: Do novel ecosystems follow predictable trajectoires? Testing the trophic surge hypothesis in reservoirs using fish

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