The biogeochemical cycles proceed through biological ... and well known are the element cycles of carbon (C), nitrogen (N), oxygen (O), phosphorus (P), and sulfur (S), as well as the water ...

Highest oxygen uptake rates were recorded in fall ... Interactions of C, N, P, and S biogeochemical cycles and global change. Springer-Verlag, Berlin. Canfield, D. E., and others. 1993. Pathways of ...

Mangrove forests along the Amazon coast release significant amounts of trace elements such as neodymium and hafnium. These ...

The organic nitrogen sinks into the deep ocean, where microbes "eat" the organic nitrogen and use oxygen to respire and turn the nitrogen into nitrate. Ocean currents cycle the nitrate back to the ...