The state of Toronto and Region’s ecosystem:Synthesis and highlights

Abstract

a. six as impaired (eutrophication/algae, beach closings, aesthetics, fish/wildlife habitat, fish consumption, fish/wildlife populations); b. one as requiring further assessment (phytoplankton/zooplankton communities); c. four re-designated as not impaired after assessment (fish tumours/deformities, bird/animal deformities/reproductive problems, benthos, dredging restrictions), and; d. three that were never considered impaired (flavour of fish/wildlife, drinking water restrictions/taste/odour problems, and added costs to agriculture/industry).