Ecosystem Monitoring & Research

Toronto and Region Conservation Authority (TRCA) collects scientific data to understand the changes affecting natural areas and watercourses, and to assess the ecological health of specific regions or environmental features.

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a brook trout is captured in a fishing net

Fantastic Field Finds of 2025 – Fauna
TRCA biologists work year-round collecting data on the diversity of wildlife species in this region’s forests, wetlands, meadows, rivers, and lakes.
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Downy rattlesnake-plantain

Fantastic Field Finds of 2025 – Flora
Meet some of the rare and unique plants and vegetation communities that TRCA biologists found in our watersheds in 2025.
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