Spatial distribution pattern and allometric growth of three common species on moving sand dunes in Horqin Sandy Land, China. Interspecific Association and Correlation of Main Species in the Succession Process of Pine Oak Forest Community on the South-facing Slopes in Qinling Mountain Interspecific Associations and correlation of main species in the Succession Process of Pine Oak Forests Community on the South-facing Slopes in Qinling Mountains Interspecific Correlations among Dominant Tree Species in the Coniferous and Broad-Leaved Mixed Forest Communities in Jiaohe, Jilin Province The classification of plant functional types based on the dominant herbaceous species in the riparian zone ecosystems in the Yiluo River Community ecology of Acanthopanax giraldii in west Sichuan plateau Species composition and correlation of understorey woody plants in chinese fir plantation in the lower subtropical area Interspecific correlation of evergreen broad-leaved forest in Tiantong National Forest Park or Zbejiang Province INTERSPECIFIC ASSOCIATION BETWEEN WOODY PLANTS IN SHENWEIGOU OF GUANDI MOUNTAINS, SHANXI PROVINCE