Towards an ecological understanding of biological nitrogen fixation Peter M. VitousekKen CassmanJanet I. Sprent OriginalPaper Pages: 1 - 45
The origin, composition and rates of organic nitrogen deposition: A missing piece of the nitrogen cycle? Jason C. NeffElisabeth A. HollandKristina M. Russell OriginalPaper Pages: 99 - 136
Anthropogenic nitrogen sources and relationships to riverine nitrogen export in the northeastern U.S.A. Elizabeth W. BoyerChristine L. GoodaleRobert W. Howarth OriginalPaper Pages: 137 - 169
Sources of nitrate in rivers draining sixteen watersheds in the northeastern U.S.: Isotopic constraints Bernhard MayerElizabeth W. BoyerKeith Paustian OriginalPaper Pages: 171 - 197
Nitrogen retention in rivers: model development and application to watersheds in the northeastern U.S.A. Sybil P. SeitzingerRenée V. StylesNico van Breemen OriginalPaper Pages: 199 - 237
Forest nitrogen sinks in large eastern U.S. watersheds: estimates from forest inventory and an ecosystem model Christine L. GoodaleKate LajthaNorbert A. Jaworski OriginalPaper Pages: 239 - 266
Where did all the nitrogen go? Fate of nitrogen inputs to large watersheds in the northeastern U.S.A. N van BreemenE.W. BoyerG. Billen OriginalPaper Pages: 267 - 293
A comparison of models for estimating the riverine export of nitrogen from large watersheds Richard B. AlexanderPenny J. JohnesRichard A. Smith OriginalPaper Pages: 295 - 339
Regional analysis of inorganic nitrogen yield and retention in high-elevation ecosystems of the Sierra Nevada and Rocky Mountains James O. SickmanJohn M. MelackJohn L. Stoddard OriginalPaper Pages: 341 - 374
Yield of nitrogen from minimally disturbed watersheds of the United States William M. Lewis Jr. OriginalPaper Pages: 375 - 385
Nitrogen budgets for the Republic of Korea and the Yellow Sea region V.N. BashkinS.U. ParkC.B. Lee OriginalPaper Pages: 387 - 403
Regional nitrogen budgets for China and its major watersheds G.X. XingZ.L. Zhu OriginalPaper Pages: 405 - 427
Landscape, regional and global estimates of nitrogen flux from land to sea: Errors and uncertainties Penny J. JohnesDan Butterfield OriginalPaper Pages: 429 - 476
Policy implications of human-accelerated nitrogen cycling Arvin R. Mosier*Marina Azzaroli BlekenZhao-liang Zhu OriginalPaper Pages: 477 - 516