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Three Decades of f De Debris Da Data: What regular cleanup activities reveal about marine debris recovery efforts in Hawaii Megan R. . Lamson, , Barbara Wie iedner, Wil illiam Gil ilmartin, , Carl Berg, g, Hannah Bernard, Sc

  1. Three Decades of f De Debris Da Data: What regular cleanup activities reveal about marine debris recovery efforts in Hawai‘i Megan R. . Lamson, , Barbara Wie iedner, Wil illiam Gil ilmartin, , Carl Berg, g, Hannah Bernard, Sc Scott t Mc McCubbins, Stacey Breining, g, Cy Cynthia We Welti an and Kevin Br Brinck

  3. Effic icient Definition per Dictionary.com (adjective) • 1. performing or functioning in the best possible manner with the least waste of time and effort ; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient assistant.

  4. J. Viezbicke / NOAA US FWS

  5. Luu Kai Photography Collectively from 2003 - 2017, HWF and SRK have removed >793,4 ,406 lbs. . of f de debris (359.8 .8 Mt) from the shores of Hawai‘i Island (15 yrs.), Kaua‘i (11 yrs.) and Maui (4 yrs.).

  6. Marine Debris Removal – Summary Stats Hawai'i Wildlife Fund & Surfrider Foundation Kaua'i Kaua‘i, 300078 lbs., 136.1 mt, 38% (2013 – 2017*) Hawai‘i, 461529 lbs., 209.3 mt, 58% Maui, 31799 lbs., 14.42 mt, 4% (2003 – 2017) (2016 – 2017*)

  7. Op Optimal efficiency cy? Weight of non-net debris (lbs.) Participants per mile of beach (log scale)

  8. Total Weight Removed by Year vs Cleanup Count (Lbs.) 140,000 400 Hawai‘i Island 350 120,000 Kaua‘i 300 100,000 250 80,000 200 60,000 150 40,000 100 20,000 50 0 0 2003 2005 2006 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Hawai'i Kauai Count (H) Count (K)

  9. Average Weight Collected Per Person by Group Size (Lbs.) 120 Hawai‘i Island 100 Kaua‘i 80 Lbs. 60 40 20 0 5 15 25 35 45 55 65 75 85 Group

  10. Beach cleanups

  11. Net Patrols M. Connolly / UHH MOP

  12. Net Patrols

  14. Average Weight Collected by (wo)Man-Hour 140 Hawai‘i Beach Cleanup 120 Kaua‘i Beach Cleanup 100 Lbs. Removed Hawai‘i Net Patrol 80 Kaua‘i Net Patrol 60 40 20 0 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

  15. Volunteer Effort (% Time Spent on Debris Activities) Admin. (3%) Misc. (6%) Sorting / recycling / dump (13%) Weighing (12%) Hauling DRIVING / (11%) HAULING CLEANUP (50%) (31%) CLEANUP (74%) Hawai‘i Island (BC) Kaua‘i (NP)

  16. Net Patrols vs. Beach Cleanups Participants Lbs. / Event Lbs. / Man Hour HWF Beach Cleanups 28 1122.8 7.2 HWF Net Patrols 4 735.4 32.4 SRK Beach Cleanups 33 764.7 11.3 SRK Net Patrols 4 403.3 64.8

  17. Outreach

  19. Pre Preferred Disposal Hi Hierarchy Do Nothing Burn Pull Above Tideline Landfill Art & Research RECYCLE REUSE

  20. Recycling Options – Hawai‘i (2017 – 2018?) (… 2018?) (2014 - 2015)

  21. Reuse / Debris Art Projects Studio KCA Pam Longobardi

  22. Future Projects Above photo from James King-Holmes / Science Source ByFusion / Inhabit.com

  24. Mahalo / acknowledgements

  25. Photo by Noni Sanford megan@wildhawaii.org HWF Debris Hotline 808-769-7629 surfriderkauai@gmail.com Surfrider Hotline 808-635-2593

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