土壤温度对油松树干液流启动与停止的影响
|
摘要
利用TDP (thermal dissipation probe)技术,对九寨沟次生优势树种油松进行连续观测和初步研究。在2013—2015年间,利用土壤温度传感器采集其树下3,10,20,30,40和50cm共6个深度的土壤温度数据,分析温度与树干液流强度的关系。结果表明,早春季节的3cm浅层地表土壤温度和气温相比深层土壤对树干液流强度的影响更显著(相关系数为0.852)。对不同土层温度与树干液流密度进行相关性分析,得到油松根系的最适温度为4.0～7.9℃。土壤温度通过对早春土壤水分要素的控制影响林下供水环境,从而显著地影响蒸散发量。随着土壤温度升高,油松在3～4月间启动树干液流,加剧九寨沟早春径流的衰竭。
TDP(thermal dissipation probe) technology was used for continuous observation and preliminary study of the secondary dominant tree species Pinus tabulaeformis in Jiuzhai Valley. A temperature sensor was used to collect soil temperature gradients from 2013 to 2015 with 6 depth gradients at 3, 10, 20, 30, 40, and 50 cm below the tree. The analysis showed that the temperature of surface soil in the shallow 3 cm soil layer in early spring had a stronger influence on the sap flow intensity than the deep soil temperature and air temperature(correlation coefficient was 0.852). The temperature gradient analysis reported that the optimum temperature for the root system was 4.0–7.9℃. With the increase of soil temperature, the characteristics of sap flow initiated by Pinus tabulaeformis in March and April would exacerbate the decrease of early spring runoff in Jiuzhai Valley.
TDP(thermal dissipation probe) technology was used for continuous observation and preliminary study of the secondary dominant tree species Pinus tabulaeformis in Jiuzhai Valley. A temperature sensor was used to collect soil temperature gradients from 2013 to 2015 with 6 depth gradients at 3, 10, 20, 30, 40, and 50 cm below the tree. The analysis showed that the temperature of surface soil in the shallow 3 cm soil layer in early spring had a stronger influence on the sap flow intensity than the deep soil temperature and air temperature(correlation coefficient was 0.852). The temperature gradient analysis reported that the optimum temperature for the root system was 4.0–7.9℃. With the increase of soil temperature, the characteristics of sap flow initiated by Pinus tabulaeformis in March and April would exacerbate the decrease of early spring runoff in Jiuzhai Valley.
引文
[1]孙鹏森,马履一,王小平,等.油松树干液流的时空变异性研究.北京林业大学学报,2000,22(5):1-6
[2]徐军亮,马履一,阎海平.油松树干液流进程与太阳辐射的关系.中国水土保持科学,2006,4(2):103-107
[3]殷秀辉,程飞,张硕新.油松树干液流特征及其与环境因子的关系.西北林学院学报,2011,26(5):24-28
[4]王华田,马履一,徐军亮.油松人工林SPAC水势梯度时空变化规律及其对边材液流传输的影响.植物生态学报,2004,28(5):637-643
[5]徐军亮,马履一.土壤温度对油松(Pinus tabulaeformis)树干液流活动的影响.生态学报,2008,28(12):6107-6112.
[6]马玲,赵平,饶兴权,等.马占相思树干液流特征及其与环境因子的关系.生态学报,2005,25(9):2145-2151
[7]徐利岗,苗正伟,杜历,等.干旱区枸杞树干液流变化特征及其影响因素.生态学报,2016,36(17):5519-5527
[8]赵春彦,司建华,冯起,等.胡杨(Populus euphratica)树干液流特征及其与环境因子的关系.中国沙漠,2014,34(3):718-724
[9]胡伟,杜峰,徐学选,等.黄土丘陵区刺槐树干液流动态分析.应用生态学报,2010,21(6):1367-1373
[10]Yan Chunhua,Zhao Wenli,Wang,Yue,et al.Effects of forest evapotranspiration on soil water budget and energy flux partitioning in a subalpine valley of China.Agricultural and Forest Meteorology,2017,246:207-217
[11]周长艳,彭俊,李跃清.九寨沟、黄龙地区水资源的变化特征及成因分析.资源科学,2007,29(2):60-67
[12]Hao Y,Wang J,Jiang H.The dynamics of land cover change pattern and landscape fragmentation in Jiuzhaigou Nature Reserve,China//Remote Sensing and GIS Data Processing and Other Applications.Yichang,2009:doi:10.1117/12.830050
[13]Dai X,Yang D,Tang J.Analysis of landscape spatial pattern changes using remote sensing in Jiuzhaigou Valley,Northwestern Sichuan Province,China//2010International Conference on Multimedia Technology.Ningbo,2010:1-4
[14]Oishi A C,Oren R,Stoy P C.Estimating components of forest evapotranspiration:a footprint approach for scaling sap flux measurements.Agricultural and Forest Meteorology,2008,148(11):1719-1732
[15]Yan Chunhua,Wang Bei,Zhang Yang,et al.Responses of sap flow of deciduous and conifer trees to soil drying in a subalpine forest.Forests,2018,9(1):no.32
[16]庞学勇,包维楷,江元明.九寨沟和黄龙自然保护区原始林与次生林土壤物理性质比较.应用与环境生物学报,2009,15(6):768-773
[17]朱劲伟,崔启武,史继德,等.红松林和采伐迹地的水量平衡分析.生态学报,1982,2(4):335-344
[2]徐军亮,马履一,阎海平.油松树干液流进程与太阳辐射的关系.中国水土保持科学,2006,4(2):103-107
[3]殷秀辉,程飞,张硕新.油松树干液流特征及其与环境因子的关系.西北林学院学报,2011,26(5):24-28
[4]王华田,马履一,徐军亮.油松人工林SPAC水势梯度时空变化规律及其对边材液流传输的影响.植物生态学报,2004,28(5):637-643
[5]徐军亮,马履一.土壤温度对油松(Pinus tabulaeformis)树干液流活动的影响.生态学报,2008,28(12):6107-6112.
[6]马玲,赵平,饶兴权,等.马占相思树干液流特征及其与环境因子的关系.生态学报,2005,25(9):2145-2151
[7]徐利岗,苗正伟,杜历,等.干旱区枸杞树干液流变化特征及其影响因素.生态学报,2016,36(17):5519-5527
[8]赵春彦,司建华,冯起,等.胡杨(Populus euphratica)树干液流特征及其与环境因子的关系.中国沙漠,2014,34(3):718-724
[9]胡伟,杜峰,徐学选,等.黄土丘陵区刺槐树干液流动态分析.应用生态学报,2010,21(6):1367-1373
[10]Yan Chunhua,Zhao Wenli,Wang,Yue,et al.Effects of forest evapotranspiration on soil water budget and energy flux partitioning in a subalpine valley of China.Agricultural and Forest Meteorology,2017,246:207-217
[11]周长艳,彭俊,李跃清.九寨沟、黄龙地区水资源的变化特征及成因分析.资源科学,2007,29(2):60-67
[12]Hao Y,Wang J,Jiang H.The dynamics of land cover change pattern and landscape fragmentation in Jiuzhaigou Nature Reserve,China//Remote Sensing and GIS Data Processing and Other Applications.Yichang,2009:doi:10.1117/12.830050
[13]Dai X,Yang D,Tang J.Analysis of landscape spatial pattern changes using remote sensing in Jiuzhaigou Valley,Northwestern Sichuan Province,China//2010International Conference on Multimedia Technology.Ningbo,2010:1-4
[14]Oishi A C,Oren R,Stoy P C.Estimating components of forest evapotranspiration:a footprint approach for scaling sap flux measurements.Agricultural and Forest Meteorology,2008,148(11):1719-1732
[15]Yan Chunhua,Wang Bei,Zhang Yang,et al.Responses of sap flow of deciduous and conifer trees to soil drying in a subalpine forest.Forests,2018,9(1):no.32
[16]庞学勇,包维楷,江元明.九寨沟和黄龙自然保护区原始林与次生林土壤物理性质比较.应用与环境生物学报,2009,15(6):768-773
[17]朱劲伟,崔启武,史继德,等.红松林和采伐迹地的水量平衡分析.生态学报,1982,2(4):335-344
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |