Triple Nitrate Isotopes Indicate Differing Nitrate Source Contributions to Streams Across a Nitrogen Saturation Gradient

The Nitrogen Cascade

James N. Galloway, John D. Aber, Jan Willem Erisman et al. · BioScience · 2003 · 2.9K citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +15

Nitrogen Saturation in Northern Forest Ecosystems

John D. Aber, Knute J. Nadelhoffer, Paul A. Steudler et al. · BioScience · 1989 · 2.4K citations

Natural Sciences, Ecology, Environmental Sciences +17

A Bacterial Method for the Nitrogen Isotopic Analysis of Nitrate in Seawater and Freshwater

Daniel M. Sigman, Karen L. Casciotti, M. Andréani et al. · Analytical Chemistry · 2001 · 2K citations

Natural Sciences, Microbiology, Oceanography +17

Nitrogen Saturation in Temperate Forest Ecosystems

John D. Aber, William H. McDowell, Knute J. Nadelhoffer et al. · BioScience · 1998 · 1.9K citations · Full text

Natural Sciences, Environmental Policy, Environmental Sciences +12

Measurement of the Oxygen Isotopic Composition of Nitrate in Seawater and Freshwater Using the Denitrifier Method

Karen L. Casciotti, Daniel M. Sigman, Meredith G. Hastings et al. · Analytical Chemistry · 2002 · 1.7K citations

Life Sciences, Microbiology, Oceanography +13