Around 20 percent of the world’s agricultural areas yields less than it did 20 years ago. According to the Food and Agriculture Organization FAO, humans are the culprit: we have not done enough to protect biodiversity.
In many respects, nature is an outstanding service provider for agriculture. Bees and bumble bees pollinate fruit trees and other crops. Parasitoid wasps and predatory beetles eat pests that would otherwise attack crops. In addition, there are many other animal species that work free of charge for humans.
The greater the diversity of species and the smaller-scaled the agricultural landscape, the greater the positive effects of natural service providers. ...
