Ecological Gradient Analysis and Environmental Interpretation of Cyclocarya paliurus Communities

Cyclocarya paliurus (Batal.) Iljinsk. is mainly distributed in the subtropical areas of China. The leaves this species are rich beneficial secondary metabolites exhibiting bioactivity against human diseases, including hyperlipemia, diabetes, and hypertension. To explore adaptability distribution characteristics along environmental gradient species, investigation C. communities necessary. In study, we established 31 sample plots, each 20 m × m, comparatively analyzed composition, importance value, tree diversity different 2 years. Canonical correspondence analyses were carried out: first between tree-species value 12 factors, second population-related indices factors. On basis these analyses, identified varying markedly abundance studied communities. Several showed adaptive similar to those paliurus. We also observed that varied elevational, longitudinal, temperature gradients. Our findings should be valuable for prediction mixed forest afforestation areas.