Agricultural pesticides threaten the ecological integrity of northern prairie wetlands.

  title={Agricultural pesticides threaten the ecological integrity of northern prairie wetlands.},
  author={David B. Donald and Jim Syrgiannis and Fiona E Hunter and Gertraud Weiss},
  journal={The Science of the total environment},
  volume={231 2-3},
The northern Great Plains of North America has millions of small wetlands, and these are often dispersed through cultivated fields. We investigated relationship between pesticide occurrence and precipitation in selected wetlands in a 30.4 x 10(4) km2 area of the Great Plains with relatively uniform farming practices and 1,777,600 wetlands (southern Saskatchewan, Canada). By early July after pesticides have been applied to crops, the mean number of pesticides detected in wetlands ranged from 1.8… CONTINUE READING

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