中国沙漠 ›› 1990, Vol. 10 ›› Issue (4): 18-24.

• 论文 • 上一篇    下一篇


常学礼, 赵文智   

  1. 中国科学院兰州沙漠研究所
  • 出版日期:1990-12-20 发布日期:1990-12-20

Study on Moisture Physiology of Pinus Sylvestris var. mongolica Litv and Populus sinoii Carr.and Water Condition of Woodland

Chang Xueli, Zhao Wenzhi   

  1. Institute of Desert Research, Academia Sinica, Lanzhou
  • Online:1990-12-20 Published:1990-12-20

摘要: 在生长季,奈曼沙区樟子松的蒸腾强度为257~570mg/g·fw·h,针叶水势在 -13.7~-11.1巴之间,针叶水分饱和亏在23.8~29.4%,束/自为0.55。林地0-180厘米土壤含水量为1.23~2.45%;小叶杨的蒸腾强度为281-1260mg/g.fw.h,叶水势为-15.0~-10.4巴,水分饱和亏为8.2~14.8%,束/自为0.26,林地0-180厘米的含水量在2.23~3.33%之间。

Abstract: The transpiration intensity, Ieaf moisture potential,Ieaf moisture saturation deficit and b/f of pinus sylvestris var. mongolica Litv. in the growth season in sandy area of Naiman Banner amount to 257-570 mg/g.f.w.h-13.7-11.1 bar,23.8-29.4% and 0.55 respectively,the moisture content in soil at the depth of 0-180 cm ranges from 1.23-2.45%. The corresponding value of populus simoii Carr. are 281-1260mg/g.f.w.h, -15.0-10.4 bar,8.2-14.8%,0.26 and 2.33-3.33% respectively.