间伐对马尾松人工林土壤酶活性的影响

郝俊鹏; 凌宁; 李瑞霞; 王东; 闵建刚; 彭婷婷; 刘娜; 关庆伟

doi:10.3969/j.issn.1000-2006.2013.04.010

间伐对马尾松人工林土壤酶活性的影响

郝俊鹏,凌宁,李瑞霞,王东,闵建刚,彭婷婷,刘娜,关庆伟

南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (04) : 51-56.

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南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (04) : 51-56. DOI: 10.3969/j.issn.1000-2006.2013.04.010

研究论文

间伐对马尾松人工林土壤酶活性的影响

郝俊鹏,凌宁,李瑞霞,王东,闵建刚,彭婷婷,刘娜,关庆伟^*

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Effects of thinning on the soil enzyme activity in the Pinus massoniana Lamb. plantation

HAO Junpeng, LING Ning, LI Ruixia, WANG Dong, MIN Jiangang, PENG Tingting, LIU Na, GUAN Qingwei^*

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摘要

以南京溧水林场25年生马尾松(Pinus massoniana)林为对象,对6年前实施了弱度(25%)、中度(45%)、强度(65%)间伐的各处理样地土壤酶活性进行了调查。结果表明:间伐对土壤酶活性有一定的提升作用,但不同间伐强度对土壤酶的提升效果不同。弱度间伐在10月和12月对土壤蔗糖酶活性提升效果最明显,在12月对碱性磷酸酶活性提升效果最明显,其余以中度间伐的提升效果较为明显。对25年生马尾松人工林而言,中度间伐可提高林地土壤酶活性,促进马尾松对林地养分的利用。

Abstract

The soil enzyme activities were studied in 25 years old Pinus massoniana plantation at Lishui Forest Farm in Nanjing which were imposed light(25%), moderate(45%)and strong(65%)intensity thinning treatments six years ago. The result showed that thinning had an ascending function on soil enzyme activities, but the effects varied under different thinning intensity. Light thinning intensity enhanced invertase and hydrogen peroxide activities mostly in October and December, and increased alkaline phosphatase activity mostly in December. The effects of moderate intensity were more obvious in the other period. As to 25-year-old P.massoniana plantation, soil enzyme activity could be improved with middle intensive thining, therefore, utilization of soil nutrient in P.massoniana plantation could be increased.

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郝俊鹏,凌宁,李瑞霞,王东,闵建刚,彭婷婷,刘娜,关庆伟. 间伐对马尾松人工林土壤酶活性的影响[J]. 南京林业大学学报（自然科学版）. 2013, 37(04): 51-56 https://doi.org/10.3969/j.issn.1000-2006.2013.04.010

HAO Junpeng, LING Ning, LI Ruixia, WANG Dong, MIN Jiangang, PENG Tingting, LIU Na, GUAN Qingwei. Effects of thinning on the soil enzyme activity in the Pinus massoniana Lamb. plantation[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2013, 37(04): 51-56 https://doi.org/10.3969/j.issn.1000-2006.2013.04.010

中图分类号： S714

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基金

收稿日期:2012-06-25 修回日期:2013-01-07
基金项目:国家林业公益性行业科研专项项目(201104075); 国家重点基础研究发展计划(2012CB416904)
第一作者:郝俊鹏,硕士。*通信作者:关庆伟,教授。E-mail: guanjapan999@yahoo.com.cn。
引文格式:郝俊鹏,凌宁,李瑞霞,等. 间伐对马尾松人工林土壤酶活性的影响[J]. 南京林业大学学报:自然科学版,2013,37(4):51-56.