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An Introduction to Benthic Macroinvertebrates

An Introduction to Benthic Macroinvertebrates. Loudoun Wildlife Conservancy March 9, 2014. Today’s Agenda. What is a healthy stream ? Best Management Practices Why are macroinvertebrates good indicators of stream health? How do we sample benthic macroinvertebrates ? Where do we sample?

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An Introduction to Benthic Macroinvertebrates

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  1. An Introduction toBenthic Macroinvertebrates Loudoun Wildlife Conservancy March 9, 2014

  2. Today’s Agenda • What is a healthy stream? • Best Management Practices • Why are macroinvertebrates good indicators of stream health? • How do we sample benthic macroinvertebrates? • Where do we sample? • How can you participate? • Activity - Macroinvertebrate Identification

  3. Why is this a healthy stream?

  4. Healthy?

  5. Could this be a problem?

  6. Urban vs. Forested Hydrograph

  7. Too much water?

  8. Best Management Practices New Insights by Chesapeake Bay program 2014 - http://ian.umces.edu/pdfs/ian_report_438.pdf

  9. Best Management Practices New Insights by Chesapeake Bay program 2014 - http://ian.umces.edu/pdfs/ian_report_438.pdf

  10. Rain Gardens New Insights by Chesapeake Bay program 2014 - http://ian.umces.edu/pdfs/ian_report_438.pdf

  11. Potomac Highlands http://www.cacaponinstitute.org/PHWS%20Benthics/PHWS_BMI_Portal_MS.htm

  12. Potomac Highlands http://www.cacaponinstitute.org/Benthics/intro%20movie%20v.html

  13. How can I participate? • Help and practice in the field with an existing team. • Keep an eye on our calendar: • http://www.tinyurl.com/loudounstreammonitor • Become a certified stream monitor. • Fulfill one of the Stream Monitoring Positions • Coordinator. • Scheduler • Data Manager • Equipment Manager • Communications

  14. Stream Monitoring Positions

  15. Upcoming Monitoring Events Crooked Run – Phil Daley – Tue, April 15, 4pm – 6pm NF Catoctin Creek – Helen van Ryzin - Sat, April 26, 2pm – 5pm Milltown Creek – David Ward – Sun, May 18, 2pm – 5pm Goose Creek – North Fork BeaverdamCreek - Limestone Branch – Broad Run - Certification Training – April 27thPurcellville (Tentative

  16. Where do we sample?

  17. Staying in TouchLike us on FacebookSign up for NewslettersSee us at Events (Earthday, Family Stream Day)Loudoun Wildlife Conservancywww.loudounwildlife.orgLoudoun Watershed Watchwww.loudounwatershedwatch.org

  18. Stream Sampling Exercise

  19. What is a Benthic Macroinvertebrate? • Benthic = lives on the bottom • Macro = visible without magnification • Invertebrate = no backbone

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