species of arbor layer 乔木层物种
Besides the simple arbor layer, the multilayer plantation structure should be adopted in order to enhance the ecological benefits and scene values of isolating greenbelts in Beijing.
为提高城市隔离片林生态效益及景观面貌，片林结构除简单的乔木层外，还应具有一定面积的复层混交种植结构。
Configuration feature: For lofty deciduous leaf arbor, the bark of grown tree has the phellem layer that develop.
形态特征：为高大的落叶乔木，成年树的树皮有发达的木栓层。
The final layer is the actual assembly of the arbor.
最后一层是实际装配的乔木。
应用推荐