http://www.hungry4change.eu

1. Biodiversity matters
Tim Benton, UK Champion for Global Food
Security and Professor of Population Ecology
10 November 2011

2. Biodiversity is important

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