Global change driven by anthropogenic pressures has profoundly affected ocean biogeochemical cycles. Natural fluxes have been disrupted due to imbalances, often in excess, of key elements like carbon, ...

First ed. issued as: Global biogeochemical cycles / edited by Samuel S. Butcher ... [et al.]. London ; San Diego : Academic Press, c1992. (International geophysics ...

Issued also by the publisher on microfiche and on microfilm at the end of the vol. year. Available also by subscription via the World Wide Web; access available via ...

Biogeochemical cycles billions of years ago (IMAGE) University of Tokyo Caption A complex web of interactions between geological features including volcanoes, subsurface mantle, oceans and the ...

Soil erosion is widely known for degrading land and reducing agricultural productivity. But new research shows it may also play a far more complex and important role in regulating the global nitrogen ...