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通过石山区造林绿化、封山育林、林间套种经济作物等,改善了生态环境。研究结果表明:项目区植被总盖度比原来提高20%~40%;5年生林分平均年高生长1tm以上,胸径生长在0.7cm以上;经济林及药材新增产值138.2万元。
Through the afforestation and afforestation in Shishan District, closing off hillsides for afforestation and cashing intercrop cash crops, the ecological environment has been improved. The results showed that the total coverage of vegetation in the project area increased by 20% ~ 40% than that of the original. The average annual growth of 5-year-old stands was above 1 cm and the DBH was above 0.7 cm. The new output value of economic forest and medicinal materials was 1.382 million yuan.