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Towards an ecological understanding of biological nitrogen fixation

Where did all the nitrogen go? Fate of nitrogen inputs to large watersheds in the northeastern USA

Nitrogen retention in rivers: Model development and application to watersheds in the northeastern USA

Anthropogenic nitrogen sources and relationships to riverine nitrogen export in the northeastern USA

Human activities have greatly altered the nitrogen (N) cycle, accelerating the rate of N fixation in landscapes and delivery of N to water bodies. To examine relationships between anthropogenic N inputs and riverine N export, we constructed budgets describing N inputs and losses for 16 catchments, which encompass a range of climatic variability and are major drainages to the coast of the North Atlantic Ocean along a latitudinal profile from Maine to Virginia.

Dinitrogen fixation in the world's oceans

The origin, composition and rates of organic nitrogen deposition: A missing piece of the nitrogen cycle?

Forest nitrogen sinks in large eastern U.S. watersheds: Estimates from forest inventory and an ecosystem model

A comparison of models for estimating the riverine export of nitrogen from large watersheds

Regional analysis of inorganic nitrogen yield and retention in high-elevation ecosystems of the Sierra Nevada and Rocky Mountains

Yield of nitrogen from minimally disturbed watersheds of the United States