大黑山林场是国营经营林场。同时还担负着敖汉地区的育苗和荒山造林任务。现有林地面积十四万五千亩,其中次生林三万八千六百四十四亩;有苗圃四百亩。次生林的主要树种是柞树,大、小叶椴,花曲柳,黑果榆,色木,山杏,山黄榆等。人工林树种主要是油松、落叶松等针叶树及少量山杏等 Daheishan Forest Farm is a state-owned forest farm. At the same time also bear the Aohan area nursery and barren hills afforestation task. The existing forest area of ​​145,000 acres, of which 28,644 secondary forest; acres of nurseries four hundred acres. Secondary forest is the main tree species oak, big, leaf linden, ash, black fruit elm, color wood, apricot, mountain elm and so on. Plantation tree species are mainly pine, larch and other conifers and a small amount of apricot and so on