植被覆盖对土壤线虫营养类群空间分布的影响

被引:16
作者
华建峰
姜勇
梁文举
机构
[1] 中国科学院沈阳应用生态研究所
关键词
植被覆盖; 土壤线虫; 营养类群; 空间分布; 地统计学;
D O I
10.13287/j.1001-9332.2006.0060
中图分类号
S154.5 [土壤动物学];
学科分类号
071012 ; 0713 ;
摘要
以中国科学院沈阳生态实验站的裸地和撂荒地为研究对象,采用经典统计学与地统计学相结合的方法,研究裸地和撂荒地土壤线虫总数及各营养类群的空间分布特征.结果表明,裸地和撂荒地植物寄生线虫与土壤pH呈显著负相关;撂荒地土壤线虫总数的平均值显著大于裸地,分别为每百克干土1485.3和464.0条;撂荒地土壤线虫总数、植物寄生线虫和食细菌线虫的块金值/基台值(27.3%45.6%)低于裸地(49.5%100%),裸地和撂荒地土壤线虫总数及各营养类群的空间分布格局均有明显差异,表明植被覆盖对土壤线虫的空间分布有较大影响.
引用
收藏
页码:295 / 299
页数:5
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