Miis

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  • Note log scale of the y axis.Error bars indicate maximum rates of accumulation
  • Shrimp pond dikes play an important role by substituting for natural hightide roosts such as sandbars, which, in many cases, they replaced.
  • Miis

    1. 1. Aquaculture/Shrimp FarmingIts meaning, Impact on Surrounding Ecosystems, Pitfalls and Models Ariel Zajdband MIIS December 3 2012
    2. 2. aquaculture
    3. 3. Tomb of Thebaine (Egypt) Costa-Pierce 2006
    4. 4. World capture fisheries and aquaculture production FAO 2012
    5. 5. Distribution of aquaculture production World Fish Center 2011
    6. 6. Shrimp aquaculture production
    7. 7. Shrimp imports
    8. 8. Conventional shrimp farm
    9. 9. Global mangrove distribution Siikamäki et al. 2012
    10. 10. Global mangrove distribution Kuenzer et al. 2011
    11. 11. Mangrove deforestation in Ayeyarwady Delta, Burma Giri et al. 2008
    12. 12. Causes of mangrove deforestation by country Giri et al. 2008
    13. 13. Sundarbans, India and Bangladesh
    14. 14. Pichavaram, India
    15. 15. Pichavaram, India
    16. 16. Bahia de Jiquilisco, El Salvador
    17. 17. Bahia de Jiquilisco, El Salvador
    18. 18. environmentalimpacts
    19. 19. Carbon footprint per kg of protein Nijdam et al. 2012
    20. 20. ‘Fishmeal trap’ Tacon & Metian 2008
    21. 21. ‘Fishmeal trap’ Tacon & Metian 2008
    22. 22. ‘Fishmeal trap’
    23. 23. Ecosystem services Adapted from MEA (2005)
    24. 24. Total economic value of mangrove ecosystem Barbier (1991)
    25. 25. Long-term C sequestration Mcleod et al 2011
    26. 26. Non-linear effects of mangrove cover Barbier et al 2008
    27. 27. Protection against coastal disasters Das and Vincent 2009
    28. 28. Shrimp farm effluents Molnar et al. 2012
    29. 29. Shrimp farm effluents Molnar et al. 2012
    30. 30. Sediment deposition around mangrove trees Primavera et al 2011
    31. 31. Sediment deposition around mangrove trees Primavera et al 2011
    32. 32. Bird numbers by season in four types of habitats Zou et al 2006
    33. 33. Antibiotic concentrations in aquatic ecosystems Thuy et al 2011
    34. 34. social impacts
    35. 35. Coping strategies for shrimp diseases Mills et al 2011
    36. 36. Net emergy flows and trade between shrimp farmers inthe Sri Lankan coastal zone and the global North Bergquist 2008
    37. 37. Bergquist 2008
    38. 38. proposedsolutions (?)
    39. 39. Shrimp+red tilapia polyculture Yuan et al 2010
    40. 40. Shrimp+red tilapia polyculture Yuan et al 2010
    41. 41. closed recirculating systems Klinger & Naylor 2012
    42. 42. Integrated shrimp-mangrove systems Gebhardt et al. 2012
    43. 43. Land use cover Ca Mau, Vietnam (2000-2010) Gebhardt et al. 2012
    44. 44. Land use cover Ca Mau, Vietnam (2010)Gebhardt et al. 2012
    45. 45. Macrobrachium amazonicum (native species)
    46. 46. Macrobrachium amazonicum (native species)
    47. 47. food sovereignty (a new paradigm)
    48. 48. food sovereignty (principles)1. Focuses on Food for People2. Values Food Providers3. Localizes Food Systems4. Puts Control Locally5. Builds Knowledge and Skills.6. Works with Nature
    49. 49. Misiones, Argentina
    50. 50. In which kind of farm is aquaculture being introduced? Cluster 2. Forestry-livestock-based farms +WEALTH Cluster 1. Perennial crops-based farms - Cluster 3. Tobacco-based farms
    51. 51. Production by farm cluster (n=45) 500 450Production (kg) 400 350 300 Cluster 1 250 Cluster 2 200 150 Cluster 3 100 50 0 0 500 1000 1500 2000 2500 Area (m2)
    52. 52. How is aquaculture contributing to income generation and fish supply for rural markets/self-consumption? Destination of fish production (kg) x clustercluster 3 self-consumption (kg)cluster 2 gift (kg) sold (kg)cluster 1 0 50 100 150 200 Significative differences self-consumption (kg) gift (kg) sold (kg) mean sd mean sd mean sd cluster 1 93,10 17,43 11,19 8,05 67,62 76,35 cluster 2 77,00 15,85 22,00 10,85 82,50 104,86 cluster 3 72,14 16,84 8,57 7,70 31,61 106,85
    53. 53. How is aquaculture contributing to income generation and fish supply for rural markets/self-consumption? Destination of fish production (kg) x # ponds3 self-consumption (kg)2 gift (kg) sold (kg)1 0 100 200 300 400 500 Significative differences n harvested ponds self-consumption (kg) gift (kg) sold (kg) farms ponds mean SD mean SD Mean SD 1 84,87 19,12 12,10 8,67 37,24 47,04 38 38 2 73 19,23 9 7,42 208 24,90 5 10 3 72,5 17,68 35 14,14 337,5 53,03 2 6
    54. 54. Some questions and challenges…Who is benefiting the most from aquaculturedevelopment?Aquaculture development programs: segmentedor not?How can we distribute fish so it can be accessedby the poor?
    55. 55. QUESTIONS? anwers?
    56. 56. Thank youandHAPPY FESTIVUS! Ariel Zajdband ariel.zajdband@gmail.com

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