Abstract
Three geophysical studies are among 13 ecological research projects funded this year by the National Science Foundation for work at nine Long‐Term Ecological Research (LTER) sites. The awards, to individual scientists, totalled more than $450,000. LTERs offer unique natural features, secure study sites, and well‐developed data bases.At the Konza Prairie site in Kansas, Mary K. Firestone of the University of California at Berkeley will study how soil nitrogen and water cycles control production of nitrogen gas. James A. MacMahon of Utah State University will work on reconstruction of ecosystems in arid lands at the Niwot Ridge site in Colorado. In the lowland tropical streams at the Lugillo site in Puerto Rico, Catherine M. Pringle of the University of California at Santa Barbara will look for factors that control algal periphyton growth and nitrogen transformations.
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