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土壤增温对杉木幼苗细根形态特征的影响 被引量:6

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摘要 全球变暖已成为不争的事实,IPCC第四次评估报告中预测到本世纪末全球地表平均增温1.1-6.4℃。大量研究表明,温度升高可能直接或间接地影响森林生态系统的地上和地下生态过程,有关全球变暖对地上部分的影响在过去十几年已有许多报道,而到目前为止地下部分,包括根系、土壤等了解还十分有限。特别是在森林生态系统中,细根是植物吸收水分和养分,土壤碳输入以及土壤微生物活性的关键环节,对调控生态系统碳平衡以及对全球变化的响应发挥着重要的作用。
出处 《亚热带资源与环境学报》 2014年第3期89-91,共3页 Journal of Subtropical Resources and Environment
基金 国家自然科学基金重点项目(31130013) "973"计划(2014CB954003)
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