In P. tabulaeformis+ Q. liaotungensis mixed forest, P. tabulaeformis had great competition and expel to Q. liaotungensis.It represented the monopolization.Q. liaotungensis represented the tolerance.

• 在辽东栎和油松混交林中，油松具有较大的竞争优势，油松对辽东栎的邻体排挤作用更强一些，显示出一定的“独占性”，而辽东栎则表现出一定的“宽容性”。