Desert Locust Management (ICE2012, Daegu, Korea)

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The UN FAO Senior Locust Forecasting Officer, Keith Cressman, gave a 30-minute keynote presentation on Desert Locust management at the 24th International Congress of Entomology (ICE2012), Daegu, South Korea (19-25 August 2012). An overview of Desert Locust biology and population dynamics, economics and FAO's early warning system are presented.

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Desert Locust Management (ICE2012, Daegu, Korea)

  1. 1. Desert Locust (harmless)
  2. 2. Desert Locust (dangerous)
  3. 3. Tracking locusts FAO’s early warning systemKeith CressmanSenior Locust Forecasting OfficerRome
  4. 4. the problem
  5. 5. Recession - calm period 25 countrieslocusts are usually present somewhere within 16 million km 2 ( 1.6 billion ha )
  6. 6. Plague 50 countrieslocusts invade up to 20% of Earth’s land mass 32 million km 2
  7. 7. adult(swarms) 1 25 days egg 10 days 2 hopper 3 (bands) 40 days Desert Locusts live 3 - 6 months
  8. 8. plague control fails good rains upsurge rains fail good control control fails good rains outbreak decline good rainsrecession plagues evolve
  9. 9. individual group band GREGARIZATIONas hoppers increase they change their behaviour
  10. 10. individual group swarm GREGARIZATIONas adults increase they change their behaviour
  11. 11. countries irregular recessions and plagues (1860 - 2011)
  12. 12. 2003 – 2005 the worst situation in 15 yearsit took $500 million & Mother Nature to stop this
  13. 13. southern Mauritania invasion (early summer 2004)
  14. 14. northern Senegal invasion (early summer 2004)
  15. 15. Morocco invasion (October 2004)
  16. 16. Cairo invasion (17 November 2004)
  17. 17. the economics
  18. 18. 1,100 = 35,000 20a1 km2 Desert Locust swarm 6eats the same food in 1 day as ...
  19. 19. Paris 38 million/day FRANCE/2 DAYS New York City 42 million/day USA/1 WEEK Sydney 422 million/day AUSTRALIA/1.5 HOURS
  20. 20. Control ops in 23 countries October 2003 - November 2005 13 million hectares ha
  21. 21. Emergency funding delay US$ million FAO appeal $74.8m 4 months 50 funds received 7 months 9 FAO TCP2004 2005
  22. 22. 13 - 200 control / ha millions spent by320 + 80 affected countries + FAO/donors 100 millions spent on food aid
  23. 23. 8.4 millionpeople affected in West Africa80-100 % cereal loss 85-90 % legume loss 33-85 % pasture loss
  24. 24. Debthousehold heads became indebted 60 % mauritania 45 % mali 33 % burkina faso
  25. 25. $90 millionfood aid in West Africa, 2004 90 % burkina faso 75 % mali 65 % mauritania households receiving aid
  26. 26. $1 million saves $100 million $100M$ millions after 12 months $50M after 10 months $10M after $5M 7 months $1M after after 4 months the last plague in 1 month West Africa 2003 2004
  27. 27. $ 570 MILLION control operations (2003-2005)$ 3.3 MILLION annual cost preventive control W & NW Africa170 years of preventive control
  28. 28. the solution
  29. 29. Desert Locust early warning systemFAO Desert Locust Information Service National Locust Control Centre National field teams
  30. 30. FAO Locust early warning network front-line secondary invasion
  31. 31. Field data to National Locust Centre Inmarsat Internet serverGPS 2 satellite transmission lat/long 1 email 3 eLocust2 RAMSES
  32. 32. Internet access to field data in real time latest position see work rate ID gaps on your PC 24/7 secure
  33. 33. RAMSES GIS at National Locust Centres DATA DISPLAY DATA ENTRY
  34. 34. SWARMSGIS at FAO DLIS (Rome)
  35. 35. Locust Mapper simple access to GIS data via Internet www.fao.org/ag/locusts
  36. 36. informing people calm caution threat dangerwww.fao.org/ag/locusts
  37. 37. advanced warning provided by FAO/DLIS, Rome warning reliabilityoutbreaks less than 1 month low-moderateupsurges up to 3 months lowplagues up to 6 months moderate-high
  38. 38. Sustaining effective national surveillance ... motivated individuals (energetic, curious) well trained teams (survey, data collection) well equipped teams (GPS, vehicles) financial support (national budget, incentives) becomes routine teams receive feedback data ownership
  39. 39. a successful early warning system regular surveillance & accurate GPS field data rapid data transmission & easy access complete GIS analysis simple well-targeted outputs use social mediaKeith Cressman www.fao.org/ag/locustsSenior Locust Forecasting Officer, Rome www.facebook.com/faolocustkeith.cressman@fao.org twitter.com/faolocust

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