Collembola abundances and assemblage structures in conventionally tilled and conservation tillage arable systems

被引:47
作者
Brennan, Aoife
Fortune, Tony
Bolger, Thomas [1 ]
机构
[1] Univ Coll Dublin, Dept Zool, Dublin 4, Ireland
[2] TEAGASC, Oakpk Res Ctr, Carlow, Ireland
关键词
Collembola; conventional tillage; ECOtillage; biodiversity;
D O I
10.1016/j.pedobi.2005.09.004
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Reduced biodiversity is associated with increased management intensity and reduced environmental heterogeneity but reduced tillage has been shown to lessen the severity of the effects. In this study we compare the effects, on the abundance and assemblage structure of Collembola, of conventional. tillage with a form of reduced tillage management called ECOtillage and we examine the responses of the Collembola to straw incorporation into the soil. Conservation tillage (ECOtillage) resulted in elevated abundances of most collembolan species compared with conventional tillage practices but has little effect on species richness. The addition of straw residue did not enhance the diversity of Collembola. and reduced overall abundances. (c) 2005 Elsevier GmbH. All rights reserved.
引用
收藏
页码:135 / 145
页数:11
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