National Park Oregon

Streams and Fisheries

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Boundary of Crater Lake National Park and the streams originating therein — NPS Image

Approximately 200 km of perennial streams and 115 km of intermittent streams drain outward from Mt Mazama
All “wadeable streams” (peak flow < 200cfs, active channel width ≤ 10m)
Most reaches contain high gradient, cold, headwater habitats
Amphibians were dominant aquatic vertebrate in most streams prior to introduction of non-native fish

Stream Ecology and More

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Crater Lake National Park
I Helped a Slovenian Park Find Elusive Alien Fish
A National Park Service scientist visits Crater Lake’s European sister park to share a new DNA technique for detecting hard-to-find species.
Crater Lake National Park
Cascades Frog
Curious about the Cascades frog in southern Oregon and northern California? Explore its natural history in this edition of our monthly “Featured Creature,” brought to you by the Klamath Inventory and Monitoring Network.
The Klamath Kaleidoscope: Fall-Winter 2021
- Sites: Crater Lake National Park, Lassen Volcanic National Park, Lava Beds National Monument, Oregon Caves National Monument & Preserve, Redwood National and State Parks, Whiskeytown National Recreation Area
In this issue of the Klamath Kaleidoscope, we share news of the newly published geologic type section inventory of Klamath Network parks, the latest results from white-nose syndrome monitoring in bats, our new data workflow system, updates from 2021 vital signs monitoring, and recent publications. We also highlight news about Klamath Network people, including Addis Gonzalez, Sean Mohren, Sonya Daw, Jennifer Chenoweth, and Elizabeth Raynal.
Vascular plant hyperdiversity in high-elevation riparian communities of National Park Service units in the Klamath Network
- Sites: Crater Lake National Park, Lassen Volcanic National Park, Redwood National and State Parks, Whiskeytown National Recreation Area
Monitoring data provide evidence of high vascular plant diversity in riparian environments. This surprising pattern indicates a high conservation significance of these park environments.

Last updated: September 25, 2022

Contact Info

Mailing Address:

Crater Lake National Park
PO Box 7
Crater Lake, OR 97604

Phone:

541 594-3000

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