Reco Craig Macadam Conservation Officer (Scotland) World Water Day 2010
Why is water quality important?
Why is water quality important?
© Craig Macadam
© Craig Macadam
© Craig Macadam
 
© David Pryce
© SNH
© Craig Macadam
What’s the future for water quality monitoring?
Cased caddis Caseless caddis Mayfly Stonefly The BMWP Score Image © Cyril Bennett
© Craig Macadam
Target groups Image © Cyril Bennett Cased caddis Caseless caddis Stoneflies Heptageniidae Baetidae Ephemeridae Ephemerelli...
© Ayrshire Rivers Trust
 
What’s the future for water quality monitoring? Non-native species
What’s the future for water quality monitoring? Climate change
Climate space
Climate space
 
[email_address] www.buglife.org.uk www.riverflies.org
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Water quality and bugs

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Presentation by Craig Macadam, of Buglife, to the World Water Day workshop organised by University of Dundee on 22 March 2010.

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  • The BMWP scoring table – scores at family level So if in our sample we get a flat bodied mayfly (Heptageniidae), which is very sensitive to pollution, we score 10. A Yellow Sally stonefly (Perlodidae) is also very sensitive and therefore scores a further 10. As does a Grannom cased caddis (Brachycentridae). Whereas a Sandfly caseless caddis (Rhyacaphilidae) is slightly less sensitive to pollution and scores 7. We therefore have a score of 37. All of the other families found in the sample are then added up to give an overall BMWP score. On an unpolluted southern chalkstream this can be as high as 300 but upland rivers tend to be (quite normally) lower.
  • Riverfly workshops
  • Target Groups: Sensitive to pollution Easy to identify Important to anglers Normally present in good numbers
  • Water quality and bugs

    1. 1. Reco Craig Macadam Conservation Officer (Scotland) World Water Day 2010
    2. 2. Why is water quality important?
    3. 3. Why is water quality important?
    4. 4. © Craig Macadam
    5. 5. © Craig Macadam
    6. 6. © Craig Macadam
    7. 8. © David Pryce
    8. 9. © SNH
    9. 10. © Craig Macadam
    10. 11. What’s the future for water quality monitoring?
    11. 12. Cased caddis Caseless caddis Mayfly Stonefly The BMWP Score Image © Cyril Bennett
    12. 13. © Craig Macadam
    13. 14. Target groups Image © Cyril Bennett Cased caddis Caseless caddis Stoneflies Heptageniidae Baetidae Ephemeridae Ephemerellidae
    14. 15. © Ayrshire Rivers Trust
    15. 17. What’s the future for water quality monitoring? Non-native species
    16. 18. What’s the future for water quality monitoring? Climate change
    17. 19. Climate space
    18. 20. Climate space
    19. 22. [email_address] www.buglife.org.uk www.riverflies.org

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