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| 1 | 极端干旱区多枝柽柳茎水势变化影响因子分析显示文摘以新疆塔里木河下游极端干旱环境下天然植物多枝柽柳为研究对象,基于对气象因子、土壤水盐和多枝柽柳茎水势特性的实地监测资料,研究了影响多枝柽柳茎水势变化的主导环境因子,揭示了反映多枝柽柳生长发育期茎干水分变化的环境因子的指示性和指示阈值。结果表明:①在众多环境因子中,土壤水分对多枝柽柳茎水势变化影响最强烈,多枝柽柳对土壤水分的吸收不存在最低土壤含水率阈值,但36%的土壤含水率为影响多枝柽柳茎水势变化的临界上限,超过36%则对其没有明显影响。②土壤pH值的变化可反映极端干旱区多枝柽柳茎水势特性的变化;7.95±0.03的土壤pH值为反映多枝柽柳茎水势发生变化的临界阈值,当土壤pH值大于7.95±0.03时利于多枝柽柳有效分泌盐碱,维持正常生长。该研究为减轻多枝柽柳受旱程度、维持多枝柽柳正常生长及时补充水分提供理论依据。 | 付爱红 李卫红 陈亚宁 | 2012 | 中国沙漠2012，32，3： | 6 |
| 2 | Historical evolution and the effects of ecological management in Tarim Basin, China显示文摘The Tarim Basin, in northwestern China, is the largest continental basin in the world, and hosts desert landscapes as well as extensive oasis agriculture. Many horticultural products come from this basin. However, since the 1950s, frequent river flow interruptions have occurred in the lower reaches of the Tarim River. Thus, the natural ecology of the basin has undergone significant changes because of recent human economic and social activities. In particular, water resource development and utilization along with climate changes have had a significant impact on the area. To prevent further deterioration of the environment, the Central Government implemented a water conveyance project in 2000. Based on this project, Chinese scientists, together with those from overseas, have conducted extensive research on the historical evolution of the area, and the physiological and ecological responses of the natural vegetation around the Tarim Desert Highway. Progress has been made in the areas of environmental protection and ecological conservation. | ZHUANG Li DONG YunShe YIN FeiHu CHEN YaNing | 2010 | Chinese Science Bulletin2010，55，36： | 2 |
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