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Biodiversity matters
Tim Benton, UK Champion for Global Food
Security and Professor of Population Ecology
10 November 2011
Biodiversity is important
Production needs to grow
                 PPPs important to reduce losses

                                   % Pre-harvest crop losses due to pests and
                                   diseases worldwide (Oerke, 2006) Wheat
                                         Maize     Rice    Potatoes
                                    0
                                    -5
         Percentage loss of crop
                                   -10
                                   -15
                                   -20
                                   -25
                                   -30
                                   -35
                                   -40
                                   -45
Minimise (unwanted) ecological impacts

• Better chemical targeting
 – Specificity of action
 – Need for new products that are pest specific and
   minimise indirect and persistent effects
• Work with the environment
 – Enhance natural pest control
 – Ensure proper use: keep PPPs away from crops

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Biodiversity crucial for sustainable food production

  • 1. Biodiversity matters Tim Benton, UK Champion for Global Food Security and Professor of Population Ecology 10 November 2011
  • 3. Production needs to grow PPPs important to reduce losses % Pre-harvest crop losses due to pests and diseases worldwide (Oerke, 2006) Wheat Maize Rice Potatoes 0 -5 Percentage loss of crop -10 -15 -20 -25 -30 -35 -40 -45
  • 4. Minimise (unwanted) ecological impacts • Better chemical targeting – Specificity of action – Need for new products that are pest specific and minimise indirect and persistent effects • Work with the environment – Enhance natural pest control – Ensure proper use: keep PPPs away from crops