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浙江省淳安县新安江开发公司所属16个林场35168hm~2,28年来以封山育林为主,人工造林为辅,恢复了森林,森林覆盖率由1963年的23.8%提高到66.2%。从1970年起,在龙川渔林场开展了次生林改造,面积207.6hm~2,与此同时,进行对比试验。1985、1988年实测结果表明:形成了3个混交类型针阔混交林,落叶阔叶混交林和常绿阔叶针叶混交林类型,提高了单位面积产量,改善了生态条件,增加了中间收入,为千岛湖国家森林公园增添了新的景观。
Zhejiang Province, Chun’an Xin’anjiang Development Company owned 16 forest farms 35168hm ~ 2, 28 years to seal hillsides-based, supplemented by artificial afforestation, the restoration of forests, forest cover increased from 23.8% in 1963 to 66.2%. Since 1970, a secondary forest transformation was carried out in Longchuan Fishing Forest Farm, with an area of 207.6 hm ~ 2. In the meantime, comparative experiments were carried out. The results of 1985 and 1988 showed that three types of coniferous-broadleaved mixed forest, deciduous broad-leaved mixed forest and evergreen broad-leaved coniferous mixed forest were formed, which increased yield per unit area, improved ecological conditions and increased intermediate income , Adding a new landscape to Qiandaohu National Forest Park.