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Productivity of Desert Ecosystems

Neil F. Hadley and Stan R. Szarek
BioScience
Vol. 31, No. 10 (Nov., 1981), pp. 747-753
DOI: 10.2307/1308782
Stable URL: http://www.jstor.org/stable/1308782
Page Count: 7
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Productivity of Desert Ecosystems
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Abstract

Primary production in desert ecosystems is limited by precipitation, nutrient availability (especially nitrogen), and the species' production potential. Plant biomass provides food for consumers that occupy several trophic levels. The resultant transfer of energy and nutrients is also water-limited as are rates of decomposition and activities of decomposer organisms.

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