watervulnerability

Chequamegon-­‐Nicolet National Forest Watershed Vulnerability Assessment, Eastern Region (R9)
Additional research should be conducted regarding the thermal requirements and tolerance of cool water
fish, to better clarify their vulnerability to warming and potential management options. This work should
be supported by the CNNF and US Forest Service. The CNNF stream segment classification system
should be used to better identify existing cool water stream habitat.
The CNNF should continue to (1) implement best management practices for water quality, (2) practice
sound watershed management, and (3) restore streams (e.g. properly replace stream crossings that
impound water or prevent fish passage, restore streams impacted by log drives, manage beaver in critical
habitat) to improve their resilience to climate change impacts.
The CNNF should also continue to monitor stream temperatures across a variety of stream types to (1),
gather year round temperature data, (2) provide up-to-date data on current stream temperatures, (3) more
accurately identify vulnerable streams, (4) establish trends in stream temperature, and (5) facilitate more
accurate modeling of response to climate change.
REFERENCES
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Model (PHIM), Version 4. College of Natural Resources, University of Minnesota, St. Paul, MN, 55108,
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Urie, Dean. 1977. Groundwater differences on pine and hardwoods forests of the Udell Experimental
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264 Assessing the Vulnerability of Watersheds to Climate Change