John Helfrich

Effect of interannual climate variability on carbon storage in Amazonian ecosystems

Hanqin Tian, Jerry M. Melillo, David W. Kicklighter et al. · Nature · 1998 · 489 citations

Carbon Sequestration, Amazonian Ecosystems, Engineering +9

Biological Responses of a Tundra River to Fertilization

Bruce J. Peterson, Linda A. Deegan, John Helfrich et al. · Ecology · 1993 · 336 citations

Biology, Biogeochemistry, Eutrophication +14

Equilibrium responses of global net primary production and carbon storage to doubled atmospheric carbon dioxide: Sensitivity to changes in vegetation nitrogen concentration

A. David McGuire, Jerry M. Melillo, David W. Kicklighter et al. · Global Biogeochemical Cycles · 1997 · 208 citations · Full text

Nitrogen Concentration, Carbon Sequestration, Biogeochemistry +15

The sensitivity of terrestrial carbon storage to historical climate variability and atmospheric CO<sub>2</sub> in the United States

Hanqin Tian, Jerry M. Melillo, David W. Kicklighter et al. · Tellus B · 1999 · 179 citations · Full text

Climatic and biotic controls on annual carbon storage in Amazonian ecosystems

Hanqin Tian, Jerry M. Melillo, D. W. Kicklighter et al. · Global Ecology and Biogeography · 2000 · 123 citations · Full text

Engineering, Terrestrial Ecosystem Model, Terrestrial Ecosystem Productivity +16