Response of plant growth and photosynthetic characteristics in Suaeda glauca and Atriplex triangularis seedlings to different concentrations of salt treatments A Preliminary Study on the Main Plant Communities in the Saline Soils of Song-Nen Plain Cloning and Analysis of SgBADH in Suaeda glauca and Construction of Its Plant Expression Vector Physical-chemical Properties of Soil,C and N of Three Typical Communities in Tianjin Coastal Wetland