Learning and adapting to surprise

The ecological changes likely to occur in Chilean lakes and the management actions to be recommended are consistent with experience in North Temperate lakes. This convergence may indicate global patterns of ecosystem change which suggest that general guidelines for management can be derived, and that we do not need to study each system as if it was unique.

It seems likely that nutrient enrichment and salmonid introductions will cause Chilean lakes to resemble many mesotrophic lakes around the world, both biologically and functionally. If the goal of lake management in Chile is to preserve options for the future, then nutrient loads should be controlled and introductions of exotic species should be minimized. Nutrient controls could take the form of phosphorus discharge quotas which can be traded on the open market. Species introductions could be constrained by focusing aquaculture on a limited number of lakes.

SALMO SALAR O. KISUTCH O. WYK ISS PEflCICHTHYS

SALMO SALAR O. KISUTCH O. WYK ISS PEflCICHTHYS

GALAXIAS BASILICHTHYS APLOCHITON TRICHOMYCTERUS (whitebail) (silverside) (whitebait type) (catfish)
Waste Management And Control

Waste Management And Control

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