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Instruments designed to automatically record water
temperatures monitor the rivers and streams flowing through Irving woodlands.
This information is valuable to fisheries biologists as they assess
the suitability of the water for trout or salmon, because these fish
are very temperature sensitive. By knowing the water’s summer maximum
and spring minimum temperatures, the Irving biologists learn which streams
are able to provide good habitat for the salmonids in the summer and
nurture the juveniles in the spring.
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