雪灾对武夷山毛竹林凋落物分解和养分释放的影响

徐涵湄; 阮宏华

doi:10.3969/j.issn.1000-2006.2013.06.014

徐涵湄,阮宏华

南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (06) : 69-72.

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南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (06) : 69-72. DOI: 10.3969/j.issn.1000-2006.2013.06.014

研究论文

雪灾对武夷山毛竹林凋落物分解和养分释放的影响

徐涵湄,阮宏华^*

作者信息 +

Effect of the snow storm on the leaf litter decomposition and its nutrients releasing of Phyllostachys edulis ecosystem in the Wuyi Mountains

XU Hanmei, RUAN Honghua^*

Author information +

文章历史 +

摘要

为了进一步研究雪灾干扰对森林生态系统物质循环与能量流动的影响,连续2 a利用大样袋网袋法对武夷山3种受灾程度毛竹林样地中的凋落物分解进行了观测研究。结果显示:不同受灾程度样地凋落物分解速率随受灾程度的加重而显著加快,不同受灾样地凋落物C、N、P、K释放速率从大到小依次为重度受灾样地、中度受灾样地、轻度受灾样地。重度受灾样地中C、N、K释放速率显著快于中度、轻度受灾样地,但P释放速率无显著差异。4种养分元素中,K元素释放最快,这说明雪灾加速了毛竹林生态系统凋落物的分解和养分的释放。

Abstract

In order to understand the effect of snow storm on cycle of matter and energy flow in Wuyi Mountains, the big litterbag method was used for studying the dynamics of leaf litter decomposition in different damaged level bamboo forests over two years. The results showed that the leaf litter decomposition rates increased significantly with the damaged level. The order of C, N, P and K release rates in different bamboo forests was heavy level>middle level>low level, C, N, K release rates in heavy level sites were significantly faster than that in middle and low level sites. However, there was no significant difference of P releasing rate among different damaged level sites. The K element released the fastest among the four elements. The results also indicated that snow storm might accelerate leaf litter decomposition rate and nutrients release in the bamboo forest.

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徐涵湄,阮宏华. 雪灾对武夷山毛竹林凋落物分解和养分释放的影响[J]. 南京林业大学学报（自然科学版）. 2013, 37(06): 69-72 https://doi.org/10.3969/j.issn.1000-2006.2013.06.014

XU Hanmei, RUAN Honghua. Effect of the snow storm on the leaf litter decomposition and its nutrients releasing of Phyllostachys edulis ecosystem in the Wuyi Mountains[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2013, 37(06): 69-72 https://doi.org/10.3969/j.issn.1000-2006.2013.06.014

中图分类号： S718

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基金

收稿日期:2013-06-30 修回日期:2013-09-30
基金项目:国家自然科学基金项目(31170417)
第一作者:徐涵湄,助理实验师,硕士。*通信作者:阮宏华,教授。E-mail: hhruan@njfu.edu.cn。
引文格式:徐涵湄,阮宏华. 雪灾对武夷山毛竹林凋落物分解和养分释放的影响[J]. 南京林业大学学报:自然科学版,2013,37(6):69-72.