**Author details**

Lucy Ngatia1 \*, Johnny M. Grace III2 , Daniel Moriasi3 and Robert Taylor1

1 College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL, USA

2 USDA-Forest Service, Southern Research Station, Tallahassee, FL, USA

3 USDA-ARS Grazinglands Research Laboratory, El Reno, OK, USA

\*Address all correspondence to: lucy.ngatia@famu.edu

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*Nitrogen and Phosphorus Eutrophication in Marine Ecosystems DOI: http://dx.doi.org/10.5772/intechopen.81869* 
