It is difficult to generalize about the effect of forest management practices on water quantity and quality, regionally or nationally, because of the large climatic, topographic, soil and vegetation diversity across the country that must be considered when assessing management impacts.
Par ailleurs, de brèves augmentations des concentrations de NO3- ont été observées dans le lixiviat de sols (Pang et McCullough 1982) et des cours d’eau (Heatherington 1985).