Effects of light environment on Juglans mandshurica seedlings growth and photosynthesis. Optimal Light Regime for the Rare Species Magnolia wufengensis in Northern China Research advances in the eco-physiological characteristics of ephemerals adaptation to habitats Leaf Structural Change of Cyclobalanopsis multinervis and Michelia foveolata after Shaded Treatment Leaf structural characteristics of 8 evergreen-broad trees and their adaptation to light