红松阔叶混交林凋落叶、土壤动物、土壤的微量元素含量

应用生态学报

红松阔叶混交林凋落叶、土壤动物、土壤的微量元素含量

殷秀琴¹;李金霞^1,2;董炜华¹

¹东北师范大学城市与环境科学学院, 长春 130024;
²包头师范学院资源与环境学院, 内蒙古包头 014030

收稿日期:2006-01-25 修回日期:2006-11-29 出版日期:2007-02-10 发布日期:2007-02-10

Microelement contents of litter, soil fauna and soil in Pinus koraiensis and broad-leaved mixed forest

YIN Xiu-qin¹; LI Jin-xia^1,2; DONG Wei-hua¹

¹College of Urban and Environmental Science, Northeast Normal University, Changchun 130024,
China;
²College of Resources and Environment, Baotou Normal College, Baotou 014030, Inner
Mongolia, China

Received:2006-01-25 Revised:2006-11-29 Online:2007-02-10 Published:2007-02-10

摘要/Abstract

摘要： 对小兴安岭凉水国家自然保护区红松阔叶混交林的凋落叶、土壤动物、土壤中微量元素含量进行了分析.结果表明， 3种微量元素在凋落叶、土壤动物和土壤中含量排序均为Mn＞Zn＞Cu.不同环境组分中的微量元素含量不同.其中,Mn的含量为土壤＞凋落叶＞土壤动物；Zn的含量为土壤动物＞凋落叶、土壤；Cu的含量为土壤动物＞土壤＞凋落叶.阔叶凋落叶中微量元素变化幅度大于针叶凋落叶.不同土壤动物对不同元素的富集能力不同,蚯蚓体内Mn含量最高,蜈蚣体内Zn含量最高,而马陆体内Cu含量最高.土壤动物体内微量元素的含量均与环境本底值、凋落物分解速度、土壤动物食性以及对微量元素的选择性吸收和富集作用等有关.3种微量元素在土壤中的含量均是土壤层(5～20 cm)大于腐殖质层(0～5 cm),不同土层中微量元素的动态变化不同.

关键词: 白背飞虱, 水稻品种, 耐虫性, 稻株营养成分

Abstract: The analysis on the Mn, Zn and Cu contents of litter, soil fauna and soil in Pinus ko-raiensis and broad-leaved mixed forest in Liangshui Natural Reserve of Xiaoxing’an Mountains showed that the test microelement contents in the litter, soil fauna and soil all followed the sequence of Mn>Zn>Cu, but varied with these environmental components, being in the sequence of soil>litter>soil fauna for Mn, soil fauna>litter and soil for Zn, and soil fauna>soil>litter for Cu. The change range of test microelement contents in litter was larger in broad-leaved forest than in coniferous forest. Different soil fauna differed in their microelement-enrichment capability, e . g ., earthworm, centipede, diplopod had the highest content of Mn, Zn and Cu, respectively. The contents of test microelements in soil fauna had significant correlations with their environmental background values, litter decomposition rate, food habit of soil fauna, and its absorbing selectivity and enrichment to microelements. The microelements contained in 5—20 cm soil layer were more than those in 0—5 cm soil layer, and their dynamics differed in various soil layers.

Key words: Sogatella furcifera, Rice varieties, Tolerance, Nutrient component in rice plants

殷秀琴¹;李金霞^1,2;董炜华¹. 红松阔叶混交林凋落叶、土壤动物、土壤的微量元素含量[J]. 应用生态学报.

YIN Xiu-qin¹; LI Jin-xia^1,2; DONG Wei-hua¹ . Microelement contents of litter, soil fauna and soil in Pinus koraiensis and broad-leaved mixed forest[J]. Chinese Journal of Applied Ecology.

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