Wildfires profoundly influence the unseen microbial world within our waters, directly impacting water quality and ecosystem ...

Thus, nitrogen undergoes many different transformations in the ecosystem, changing from one ... ever-increasing impact on the global nitrogen cycle. Human activities, such as making fertilizers ...

However, there is a competing nitrate reduction process, dissimilatory nitrate reduction to ammonium (DNRA), that conserves N within the ecosystem. The recent application of nitrogen stable isotopes ...

Carbon is circulated between living and nonliving components of the ecosystem primarily ... carbon is known as the slow carbon cycle. Similar to carbon, nitrogen is a necessary component of ...

Trace metals such as iron or zinc that are stored in deep-sea sediments are lost forever to phytoplankton on the ocean ...

Recent research has uncovered an overlooked but vital contributor to ocean health—whale urine. While whale feces have long been recognized for their role in nutrient cycles, new findings reveal that ...

Save guides, add subjects and pick up where you left off with your BBC account. Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential element in amino acids and proteins.

What does nitrogen do for plants? Read on to learn how to improve the health of your plants and how to add nitrogen to soil by fixing the nitrogen cycle in your garden. This article is also in ...

Over time, the excess nitrogen — largely from vehicle exhaust — acts as a fertilizer to plants and changes the ecosystem, said Jill Baron, a research ecologist for the U.S. Geological Survey ...