摘要
为了解浙江省西北部丘陵地区森林土壤水溶性有机碳含量及动态规律,以达到成熟林状态的次生林和杉木林为对象,分别对其春、夏、秋、冬4个季节的0～10、10～20cm土层水溶性有机碳含量进行了研究。结果表明:1)0～10和10～20cm土层,次生林与杉木林水溶性有机碳含量没有显著差异;2)次生林和杉木林土壤水溶性有机碳含量季节动态基本一致,均表现为冬季>春季>秋季>夏季;3)0～10和10～20cm土层次生林与杉木林水溶性有机碳含量与土壤温度、降水量均呈显著负相关,与土壤湿度相关性不显著,与凋落物量呈正相关,且在0～10cm土层显著。
In order to understand the content and seasonal dynamics of forest soil water-soluble organic carbon （WSOC） in the hilly region of northwest Zhejiang Province, the secondary forests and Chinese fir plantations were chosen as the test objects to study the WSOC content in 0-10 cm and 10-20 cm soil layers in four seasons. No significant differences were observed in the WSOC content in 0-10 cm and 10-20 cm soil layers between the secondary forests and Chinese fir plan- tations. The seasonal dynamics of soil WSOC in the secondary forests and Chinese fir plantations had the same trend, and followed the order of winter 〉 spring 〉 autumn 〉 summer. The WSOC content in 0-10 cm and 10-20 cm soil layers in the secondary forests and Chinese fir plantations had significant negative correlations with soil temperature and precipitation, less correlation with soil moisture content, and positive correlation with litter biomass （especially for the WSOC con- tent in 0-10 cm soil layer）.
出处
《生态学杂志》
CAS
CSCD
北大核心
2013年第6期1385-1390,共6页
Chinese Journal of Ecology
基金
中国林科院亚热带林业研究所基本科研业务费重点项目(RISF6152)
浙江省重点科技创新团队项目(2010R50030)
浙江省自然科学基金项目(LY12C03012)资助
关键词
水溶性有机碳
季节动态
生态因子
water-soluble organic carbon
seasonal dynamics
ecological factor
