1. College of Life Science of Inner Mongolia University, University West Road No. 235, Saihan District, Hohhot, Inner Mongolia 010021, China
2. College of Environment and Resource, Inner Mongolia University, University West Road No. 235, Saihan District, Hohhot, Inner Mongolia 010021, China
3. Institute of Environmental Ecology, Inner Mongolia University, University West Road No. 235, Saihan District, Hohhot, Inner Mongolia 010021, China
4. Institute of Environmental Resources and Analytical Technique, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot 010031, China