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目前,在延安城郊开展的以水保林、景观林和经济林相结合,乔灌草相结合的林果复合城郊生态网点建设模式试验,取得了初步成效。试验示范区完成造林66.67hm~2,栽植24个树种135140株树,形成生态网点建设模式16种:刺槐油松混交林模式2种,侧柏沙棘防护林模式,油松元宝枫景观林模式,侧柏云杉景观林模式,田坎防护林模式3种,道路绿化模式3种,困难地绿化模式2种,果草复合经营模式3种。
At present, the experimental results show that the construction of ecological composite sites of forestry and fruit trees with the combination of water and forest protection, landscape forest and economic forest and the combination of trees, shrubs and grass has been conducted in the suburbs of Yan’an. Experimental demonstration area completed afforestation 66.67hm ~ 2, planting 135140 trees of 24 species, the formation of ecological network construction model 16 species: Acacia locust mixed forest model 2, Arborvitae seabuckthorn shelterbelts, Cypress spruce landscape forest model, Tian ridge shelter forest three kinds of road greening mode three kinds of difficult greening two kinds of fruit and grass compound management three kinds.