Ecosystem Monitoring & Research

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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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We must work together to limit warming to less than two degrees Celsius by cutting global greenhouse gas emissions in half by the year 2030

Climate
Science

terrestrial ecosystems

Terrestrial Ecosystems

aquatic ecosystems

Aquatic Ecosystems

What’s New

spongy moth caterpillar

The Rise and Fall of the Spongy Moth
Good news! It appears that the invasive spongy moth has retreated in the Toronto region after a multi-year outbreak that started in 2018.
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Eastern Red Bat

Meet TRCA’s Bat Team
Since 2017, TRCA has been capturing bat echolocation sounds to learn more about where and when different species are present in the region, and their general ecology.
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