| 丛枝菌根在退化土壤恢复中的生态学作用 |
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| 引用本文： | 方治国,陈欣. 丛枝菌根在退化土壤恢复中的生态学作用[J]. 生态学杂志, 2002, 21(2): 61-63,F004 |
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| 作者姓名： | 方治国 陈欣 |
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| 作者单位： | 浙江大学生命科学学院农业生态研究所,杭州,310029 |
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| 基金项目： | 国家自然科学基金项目 ( 39870 14 9)，国家自然科学基金重点项目 ( 30 0 30 0 30 )资助 |
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| 摘 要： | 土壤退化 (包括土壤侵蚀、贫瘠化、盐碱化、沙化、酸化 )不仅为全球所关注 ,而且是关系到我国农业可持续发展的重大问题。全球 1.3× 10 8ｋｍ2 的总土地面积中 ,因人为原因引起的退化面积为 2 0×10 7ｋｍ2 ,这些退化土壤中 ,耕地近 5× 10 8ｈａ ,约占总耕地面积的 1/ 3。我国南方丘陵区土壤退化问题也突出 (水土流失面积 8 0× 10 7ｈａ ,养分贫瘠化 1 9×10 7ｈａ ,污染土壤 3 2× 10 6ｈａ ,酸化土壤 3 2×10 6ｈａ) ,因而探讨恢复和重建退化土壤的途径已成为该地区农业持续发展的重要内容[5] 。菌根 (ｍｙｃｏｒｒｈｉｚａ)是土…
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| 关 键 词： | 丛枝菌根 退化土壤恢复 生态学作用 |
Ecological Functions of Arbuscular Mycorrhiza in the Restoration of Degraded Soil. |
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| Fang Zhiguo,Chen Xin. Ecological Functions of Arbuscular Mycorrhiza in the Restoration of Degraded Soil.[J]. Chinese Journal of Ecology, 2002, 21(2): 61-63,F004 |
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| Authors: | Fang Zhiguo Chen Xin |
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| Abstract: | Mycorrhiza is a mutualistic,symbiotic bio-trophy between a fungus (mycobiont) and plant host.The ecological functions of mycorrhiza in restoration of degraded soil have been concerned.These ecological functions can be described as promoting the succession of plant community and the restoration of plant flora,sustaining of community stability and improving soil structure.The paper suggests that mycorrhiza inoculation in degraded soil,planting mycorrhiza independent plants and conserving plant bio-diversity are major approaches to utilize mycorrhiza to restore degraded soil in primary stage. |
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| Keywords: | arbuscular mycorrhiza soil restoration ecological function. |
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