**Author details**

Taity Changa1 , Jane Asiyo Okalebo1 \* and Shaokun Wang2

1 School of Natural Resources, University of Nebraska, Lincoln, NE, USA

2 Urat Desert-Grassland Research Station, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China

\*Address all correspondence to: jane.okalebo@gmail.com

© 2020 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.
