黄土高原荒坡与林地土壤水分变化规律研究

应用生态学报 ›› 2000, Vol. ›› Issue (4): 523-526.

黄土高原荒坡与林地土壤水分变化规律研究

孙长忠¹, 黄宝龙², 刘淑明³, 陈海滨³

1. 中国林业科学研究院林业研究所, 北京100091;
2. 南京林业大学森林资源与环境学院, 南京210037;
3. 西北农林科技大学林学院, 陕西杨陵712100

收稿日期:1998-02-23 修回日期:2000-03-28 出版日期:2000-07-25
通讯作者: 孙长忠,男,1958年生,博士,副研究员.主要从事林地生产力、森林水文效应研究.发表论文30余篇.
基金资助:
国家自然科学基金资助项目(39470579、39770612)

Soil moisture dynamics in forest land and wasteland of Loess Plateau

SUN Changzhong¹, HUANG Baolong², LIU Shuming³, CHEN Haibin³

1. Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091;
2. College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037;
3. Northwest University of Agriculture and Forestry Science and Technology, Yangling 712100

Received:1998-02-23 Revised:2000-03-28 Online:2000-07-25

摘要/Abstract

摘要： 为探讨黄土高原有、无林地土壤水分全年变化规律之异同,在黄土高原半湿润区,采用中子水分测定仪定位测定方法,对无林沟坡(荒坡)与林地土壤水分储量变化进行了连续3年的定点测定.结果表明,在0～320cm的测定深度内,阴坡上、下部与阳坡下部荒坡土壤储水增量分别为-165.7mm、-115.2mm和-74.9mm;阴坡上部的油松林地,在0～320cm深度内,林地却在林木每年蒸腾消耗大量水分(达380mm以上)后,增加储水量17.2mm,年际收支基本平衡或略有盈余.林地与荒坡水分收支关系有着本质的差异.提出了开展林地有效水分获取途径研究的必要性.

Abstract: The dynamics of soil moisture stored in a wasteland and in a forest land in the sub humid climate region of the Loess Plateau was measuerd with neutron moisture meter for three successive years.Within the depth of 0～320cm,the increment of soil water in the test 3 years was respectively -165.7mm,-15.2mm and^-115.2mm at the upper and lower position on north slopes and the lower position on south slope of the wasteland.Soil water increased by 17.2mm at the upper position on north slope of the Chinese pine forest land, after>380mm water was consumed yearly by tree transpiration.It is suggested that forest land is essentially different from wasteland in soil water income/expense.The necessity of conducting the approaches for gaining available water of forest land was put forward.

孙长忠, 黄宝龙, 刘淑明, 陈海滨. 黄土高原荒坡与林地土壤水分变化规律研究[J]. 应用生态学报, 2000, (4): 523-526.

SUN Changzhong, HUANG Baolong, LIU Shuming, CHEN Haibin. Soil moisture dynamics in forest land and wasteland of Loess Plateau[J]. Chinese Journal of Applied Ecology, 2000, (4): 523-526.

参考文献

1. Han Sh-F(韩仕峰), Yang X-M(杨新民), Zhang X-Z(张效忠). 1988. The loss of soil moisture in the western area of loess plateau and its improvement. Bull Soil Water Conser(水土保持通报),8(2):57～59(in Chinese)
2. Han Sh-F(韩仕峰), Li Y-Sh(李玉山), Shi Y-J(石玉洁). 1990. The characterstics of soil moisture resources on the loess plateau. Bull Soil Water Conser(水土保持通报),10(1): 36～42(in Chinese)
3. Nie D-P(聂道平). 1989. A preliminary study on the water equilibrium and evaportranspiration in plantation of Pinus tabulaeformis. For Res(林业科学研究),2(6):606～609(in Chinese)
4. Sun Ch-Zh(孙长忠), Huang B-L(黄宝龙). 1996. The establishment of a single-tree water balance measurement method. Scientia Silvae Sinicae(林业科学),32(4):378～381(in Chinese)
5. Sun Ch-Zh (孙长忠), Liao C-Y(廖超英), Zhang X-W(张学文). 1995. A measurement method of single-tree water -cycle balance and evaluation of its effect. J Northwest For Coll(西北林学院学报),10(supp.):74～78(in Chinese)
6. Sun Ch-Zh (孙长忠), Huang B-L(黄宝龙), Chen H-B(陈海滨). 1998. Interaction between soil water conditions and different kinds of artificial plant cover in the loess plateau. J Beijing For Univ(北京林业大学学报),20(3):7～14(in Chinese)
7. Sun Ch-Zh (孙长忠), Huang B-L(黄宝龙). 1999. A study on the available water potentialities “Brought by the Stand Itself” in the loess plateau forest land —A new hypothesis developed. Acta Ecol Sin(生态学报),19(5): 614～621(in Chinese)
8. Yang X-M(杨新民),Yang W-Zh(杨文治). 1988. Study on the soil water balance of artificial forestland in arid region. Bull Soil Water Conser(水土保持通报),8(3):32～38(in Chinese)
9. Zhu X-M(朱显谟). 1991. The formation of loess plateau and its harnessing measures. Bull Soil Water Conser(水土保持通报),11(1):1～8(in Chinese)