Fish and macroinvertebrates are an essential part of aquatic ecosystems. Learn about stream health based on the most recent data from the National Capital Region Inventory & Monitoring Network (NCRN I&M) on fish, macroinvertebrates, and stream physical habitat. Monitoring occurred from 2019-2022 in 37 streams across ten parks.
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Article 1: Stream Biota Monitoring in Parks of the National Capital Region
The National Capital Region Network Inventory & Monitoring team (NCRN I&M) tracks the health of park streams by monitoring fish, macroinvertebrates, and various stream habitat characteristics. Fish and macroinvertebrates provide insight into stream health as some species are more sensitive to poor environmental conditions than others. Learn about how fish and macroinvertebrate communities have changed over time at NCR parks and the insights they provide into stream health. Read more
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Antietam National Battlefield
Article 2: Stream Life at Antietam National Battlefield
Learn about how fish and macroinvertebrate communities are changing in Sharpsburg Creek at Antietam National Battlefield. Discover what this monitoring data can tell us about stream quality. Read more
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Catoctin Mountain Park
Article 3: Stream Life at Catoctin Mountain Park
Learn how fish and macroinvertebrate communities are changing across three streams at Catoctin Mountain Park. Discover what this monitoring data can tell us about stream quality. Read more
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George Washington Memorial Parkway
Article 4: Stream Life at George Washington Memorial Parkway
Learn how fish and macroinvertebrate communities are changing across four streams at George Washington Memorial Parkway. Discover what this monitoring data can tell us about stream quality. Read more
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Harpers Ferry National Historical Park
Article 5: Stream Life at Harpers Ferry National Historical Park
Learn how fish and macroinvertebrate communities are changing in Flowing Springs Run at Harpers Ferry National Historical Park. Discover what this monitoring data can tell us about stream quality. Read more
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Manassas National Battlefield Park
Article 6: Stream Life at Manassas National Battlefield Park
Learn how fish and macroinvertebrate communities are changing at Young's Branch in Manassas National Battlefield Park. Discover what this monitoring data can tell us about stream quality. Read more
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Monocacy National Battlefield
Article 7: Stream Life at Monocacy National Battlefield
Learn how fish and macroinvertebrate communities are changing across two streams at Monocacy National Battlefield. Discover what this monitoring data can tell us about stream quality. Read more
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Article 8: Stream Life at National Capital Parks-East
Learn how fish and macroinvertebrate communities are changing across streams at three parks in National Capital Parks-East. Discover what this monitoring data can tell us about stream quality. Read more
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Prince William Forest Park
Article 9: Stream Life at Prince William Forest Park
Learn how fish and macroinvertebrate communities are changing across nine streams at Prince William Forest Park. Discover what this monitoring data can tell us about stream quality. Read more
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Rock Creek Park
Article 10: Stream Life at Rock Creek Park
Learn how fish and macroinvertebrate communities are changing across eleven streams at Rock Creek Park. Discover what this monitoring data can tell us about stream quality. Read more
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Wolf Trap National Park for the Performing Arts
Article 11: Stream Life at Wolf Trap National Park for the Performing Arts
Learn how fish and macroinvertebrate communities are changing across two streams at Wolf Trap National Park for the Performing Arts. Discover what this monitoring data can tell us about stream quality. Read more