Land Cover as a Framework for Assessing Risk of Water Pollution '

  title={Land Cover as a Framework for Assessing Risk of Water Pollution '},
  author={James D. Wickham and Kurt H. Riitters and Robert V. O'Neill and Kenneth H. Reckhow Timothy G. Wade and K. Bruce Jones},
A survey of numerous field studies shows that nitrogen and phosphorous export coefficients are significantly different across forest, agriculture, and urban land-cover types. We used simulations to estimate the land-cover composition at which there was a significant risk of nutrient loads representative of watersheds without forest cover. The results suggest that at between 20 percent and 30 percent nonforest cover, there is a 10 percent or greater chance of N or P nutrient loads being… CONTINUE READING
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