Relationship between soil enzyme activities and structural characteristics of herbaceous layer in different plantations in Karst area

LIU Chenggang, RONG Yu, XUE Jianhui*, YAO Jian

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2011, Vol. 35 ›› Issue (02) : 99-102.

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JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2011, Vol. 35 ›› Issue (02) : 99-102. DOI: 10.3969/j.jssn.1000-2006.2011.02.021

Relationship between soil enzyme activities and structural characteristics of herbaceous layer in different plantations in Karst area

  • LIU Chenggang, RONG Yu, XUE Jianhui*, YAO Jian
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Abstract

The relationship between soil enzyme activities and structural characteristics of herbaceous layer in different types of stand were studied by taking three different types of young plantations (Robinia pseudoacacia,Cupressusduclouxiana and R.pseudoacacia-C.duclouxiana) and nonplanted land in Karst area, Guizhou province as the study area. The results showed that (1) Soil enzyme activities of urease, invertase, alkaline phosphatase and catalase were the lowest except polyphenoloxidase in nonplanted land; (2) Characteristic values of herbaceous layer:ShannonWeiner diversity index (H), Pielou evenness index (Ep) and species richness index (R) showed the same trend,the ecological dominance index (C′) was opposite; (3)The correlation between soil enzyme and characteristic values of herbaceous layer had some differences due to types of soil enzymes. Significant correlation was found between soil enzyme activities of urease, invertase, alkaline phosphatase or catalase and H,Ep,R,C′, while it was very lower of polyphenoloxidase.

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LIU Chenggang, RONG Yu, XUE Jianhui*, YAO Jian. Relationship between soil enzyme activities and structural characteristics of herbaceous layer in different plantations in Karst area[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2011, 35(02): 99-102 https://doi.org/10.3969/j.jssn.1000-2006.2011.02.021

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