Nutrient Cycling

@article{Bormann1967NutrientC,
  title={Nutrient Cycling},
  author={F. Herbert Bormann and Gene E. Likens},
  journal={Science},
  year={1967},
  volume={155},
  pages={424 - 429}
}
The small-watershed approach to problems of nutrient cycling has these advantages. (i) The small watershed is a natural unit of suitable size for intensive study of nutrient cycling at the ecosystem level. (ii) It provides a means of reducing to a minimum, or virtually eliminating, the effect of the difficult-to-measure variables of geologic input and nutrient losses in deep seepage. Control of these variables makes possible accurate measurement of nutrient input and output (erosion) and… 

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On its completion, the Hubbard Brook study will have yielded estimates of many of the parameters and flux rates represented in the nutrient cycle shown in Fig. 1, which suggests a remarkable ability of these undisturbed systems to entrap and hold nutrients.

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Financial support was provided by National Science Foundation grants GB 1144 and GB 4169. We thank