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都昌县多宝砂山物种多样性研究及保护初探

于吉涛 胡胜华 荆青青 吕宁 曾克峰 程胜高

于吉涛, 胡胜华, 荆青青, 吕宁, 曾克峰, 程胜高. 都昌县多宝砂山物种多样性研究及保护初探[J]. 环境科学研究, 2006, 19(2): 39-43.
引用本文: 于吉涛, 胡胜华, 荆青青, 吕宁, 曾克峰, 程胜高. 都昌县多宝砂山物种多样性研究及保护初探[J]. 环境科学研究, 2006, 19(2): 39-43.
YU Ji-tao, HU Sheng-hua, JING Qing-qing, LV Ning, ZENG Ke-feng, CHENG Sheng-gao. Research on Species Diversity on Duobao Sandy Hill in Duchang County and Elementary Discussion on Its Protection[J]. Research of Environmental Sciences, 2006, 19(2): 39-43.
Citation: YU Ji-tao, HU Sheng-hua, JING Qing-qing, LV Ning, ZENG Ke-feng, CHENG Sheng-gao. Research on Species Diversity on Duobao Sandy Hill in Duchang County and Elementary Discussion on Its Protection[J]. Research of Environmental Sciences, 2006, 19(2): 39-43.

都昌县多宝砂山物种多样性研究及保护初探

基金项目: 中国地质大学地理教学基地"建设经费资助项目(200329);中国地质大学研究生学术创新与探索基金资助项目

Research on Species Diversity on Duobao Sandy Hill in Duchang County and Elementary Discussion on Its Protection

  • 摘要: 对鄱阳湖都昌县多宝砂山地区土地风沙化过程中物种多样性的变化特征进行了分析,依据植物种在各类型风沙化土地的出现频率与不同风沙化阶段各生活型植物种的组成,探讨了风沙化过程中植物种的绝灭与定居特点.物种多样性指数分析表明:风沙化过程是物种多样性衰减的过程,风沙化首先导致特有种的绝灭,其次为稀有种.从植物的生活型来看,多年生草本与乔木类植物受风沙化影响最大,而灌木类植物可存活于风沙化过程的各个阶段,在风沙化过程中植物种的绝灭速率大于定居速率.最后,针对造成多宝砂山生物多样性衰减的原因,提出了治理对策,即在控制人类行为干扰的同时,要加强对固定沙丘的管理与保护.

     

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出版历程
  • 收稿日期:  2005-04-15
  • 刊出日期:  2006-04-25

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