大连市地处辽东半岛的南端,三面环海,境内山岭起伏,东和北部较高,是丘陵地带。全市区总土地面积1899万亩,林业用地610万亩,约占总土地面积三分之一。其中有林地550万亩,多为幼、中龄林,以及柞蚕场、疏林地和天然次生林等,分布不均,树种不一,人工林以刺槐为主,有落叶松、黑松、油松、杨、柳、榆等;天然次生 Dalian is located in the southern tip of the Liaodong Peninsula, surrounded by the sea on three sides, the territory of mountain ups and downs, the East and North higher, is a hilly area. The city’s total land area of ​​1899 acres, 6.1 million acres of forestry land, accounting for about one-third of the total land area. Among them, there are 5.5 million mu of forest land, mostly young and middle-aged forests, tussah farmland, sparse woodland and natural secondary forests, unevenly distributed and different tree species. The plantation is mainly black locust, with larch, black pine and pine , Yang, Liu, Yu, etc .; natural secondary