黄土高原自然植被恢复过程中土壤温度和水分的相关性  

The Correlation Between Soil Temperature and Water Content During the Natural Vegetation Restoration on the Loess Plateau

作　　者：王俊 郭金龙 张永旺 魏瑶瑶 郑恩 WANG Jun;GUO Jinlong;ZHANG Yongwang;WEI Yaoyao;ZHENG En(College of Life Sciences, Yan’an University, Yan’an, Shaanxi 716000;Shaanxi Key Laboratory of Chinese Jujube, Yan’an University, Yan’an, Shaanxi 716000;Key Laboratory of Integrated Pest Management on Crop in North-western Loess Plateau, Ministry of Agriculture, College of Plant Protection, Northwes A&F University, Yangling, Shaanxi 712100)

机构地区：[1]延安大学生命科学学院,陕西延安716000 [2]陕西省红枣重点实验室(延安大学),陕西延安716000 [3]西北农林科技大学植物保护学院,农业部西北黄土高原作物有害生物综合治理重点实验室,陕西杨凌712100

出　　处：《水土保持学报》2022年第2期130-137,共8页Journal of Soil and Water Conservation

基　　金：国家自然科学基金项目(41807520);延安大学科研项目(YDQ2018-21);博士科研启动项目(YDBK2017-25);创新能力支撑计划项目(2020KJXX-009)。

摘　　要：土壤水热因子是影响作物生长发育的重要因子,尤其是在黄土高原自然植被恢复过程中。通过对黄土高原不同自然植被恢复阶段的土壤水分和温度的长期监测,研究植被恢复过程中土壤温度和水分的动态变化及其相关性。结果表明:8—10月草地群落的土壤温度显著高于其他群落,11月辽东栎林群落的土壤温度显著高于其他群落,随着植被恢复,土壤温度变化的范围和峰值均有不同程度的减小,土壤水分有所减少,但并不影响土壤水分随时间变化的总体趋势,不同植被恢复阶段土壤温度和水分呈显著负相关,植被恢复过程中土壤水分有一定的时间稳定性。研究结果可为黄土高原自然植被恢复的有效管理和可持续发展提供科学参考。Soil hydrothermal factor is an important factor affecting the growth and development of crops,especially during the natural vegetation restoration on the Loess Plateau.The dynamic changes and correlations of soil temperature and water in the process of vegetation restoration were studied through long-term monitoring of soil water and temperature in different stages of natural vegetation restoration in the Loess Plateau.The results showed that soil temperature in the grassland community from August to October is significantly higher than other communities,and it is significantly higher in Quercus liaotungens community in November,with the vegetation restoration,the range and the peak of soil temperature decreased with different degree,soil water content decreased but it does not affect the overall varying trend over time,soil temperature and soil water content have significantly negative correlation in the different stages of vegetation restoration,and the soil water content has a certain time stability during the restoration process.The research results provide scientific reference for the effective management and sustainable development of natural vegetation restoration on the Loess Plateau.

关 键 词：植被恢复 土壤温度 土壤水分 土壤质地 黄土高原 

分 类 号：S152[农业科学—土壤学]