Estimates of N2-fixation from variation in the natural abundance of 15N in Sonoran desert ecosystems


The 15N abundance of tissues of five Prosopis specimens at our primary study site (a Prosopis woodland at Harper's Well in the Sonoran desert of Southern California) was determined over two growing seasons 1980 and 1981. The 15N abundance of soil and of tissues of presumed non-N2-fixing (control) plants was also measured. Prosopis tissues were significantly… (More)
DOI: 10.1007/BF00379714


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