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当前位置: 首页 > 文章 > 科尔沁西部地区荒漠化土地植被恢复技术研究 生态学杂志 2006,25 (3) 243-248
Position: Home > Articles > Rehabilitation of desertified lands in western Horqin steppe Chinese Journal of Ecology 2006,25 (3) 243-248

科尔沁西部地区荒漠化土地植被恢复技术研究

作  者：
蒋德明;宗文君;李雪华;李晓兰;刘志民;闫巧玲;贺山峰
单  位：
中国科学院沈阳应用生态研究所
关键词：
科尔沁沙地;植被恢复;抗旱性;草场改良
摘  要：
在科尔沁沙地西部对植物抗旱性、抗旱造林技术、沙丘植被恢复技术、退化草地改良技术进行了研究试验。抗旱生理的研究结果表明,差巴嘎蒿、小叶锦鸡儿比紫穗槐、胡枝子更适应干旱。对于杨树、山杏和樟子松,施用保水剂、固体水和在根际地表覆膜可分别提高造林成活率10%~30%。1.0 m×1.0 m的草方格在当地较适宜。如果综合利用生物措施和工程措施,固沙植物选择适当,在二、三年内就可将流沙固定。通过围栏封育、翻耙、补播、施肥、施用土壤改良剂等技术改良退化、碱化草场,平均产量提高2~4倍。施加氮肥明显提高了牧草蛋白质含量。改良后的草场土壤中蛋白酶、磷酸酶、脲酶、转化酶等总体上向良性发展。
译  名：
Rehabilitation of desertified lands in western Horqin steppe
作  者：
JIANG Deming~1,ZONG Wenjun~(1,2),LI(Xiaolan~(1,2)),LIU Zhimin~1,YAN Qiaoling~(1,2),HE Shanfeng~(1,2) (~1Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China;~2Graduate School of Chinese Academy of Sciences,Beijng 100039,China).
关键词：
Horqin sandy land,vegetation restoration,drought-resisting capacity,grassland amelioration.
摘  要：
This paper assessed the drought-resisting capacity of Artemisia halodendron,Caragana microphylla,Amorpha fruticosa and Lespedeza bicolor in western Horqin steppe,and approached the rehabilitation of desertified lands there.The results showed that A.halodedron and C.microphylla were more drought-resistant than A.fruticosa and L.bicolor.The application of water-conserving agent,solid water and film cover could increase the survival rate of planted trees by 10%-30%.1.0 m × 1.0 m straw checkboard was appropriate in the local sand-stabilization practice,with the consideration of sand-stabilizing effects and cost.The combination of both mechanical and biological measurements could stabilize the sand dune in 2-3 years if sand binder was appropriate.Building enclosure,supplementary sowing,plough-harrowing,and applying fertilizer and soil-improving agent could ameliorate the degraded grassland,and raise the production by 2-4 times.Nitrogen fertilizer could raise the protein content of herbage.After the improvement of degraded grassland,an evident change in soil enzyme activities was detected,showing a good soil condition being built.

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