They have been extensively studied in natural environments such as soils, estuaries, lakes, and open-ocean environments ... of Human Alterations to the Nitrogen Cycle Many human activities ...

Sebastian Haas is a CERE.OCEAN PhD cadidate who leads the research of nitrogen cycle from the Bedford Basin Time Series. Nitrogen is a major nutrient supporting the growth of phytoplankton, which are ...

Still, it has been an open question why the bacteria carrying out this N 2 fixation can be found worldwide in the ocean ...

Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential element in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Root hair cells have a long ...

This document helps agricultural producers understand how N interacts in the environment through the N cycle to guide maintenance and sustainability of agricultural crop production. The Nitrogen Cycle ...

They also need iron, which is scarce in large areas of the ocean. But when whales defecate, they release iron as well as other important nutrients like nitrogen in their feces. The liquid plume ...

Nutrient availability, particularly nitrogen, influenced this response. Results indicate that ocean acidification could reduce primary production in oligotrophic tropical and subtropical oceans by ...

Limnology and Oceanography, Vol. 61, No. 1 (2016), pp. 14-31 (18 pages) Equatorial Pacific nitrate 15N/14N and 18O/16O (δ15N and δ18O) measurements from repeat station occupations are used to: (1) ...

They have been extensively studied in natural environments such as soils, estuaries, lakes, and open-ocean environments ... of Human Alterations to the Nitrogen Cycle Many human activities ...