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| 1 | Gas exchange of Populus euphratica leaves in a riparian zone显示文摘Riparian vegetation belts in arid regions of Central Asia are endangered to lose their ecosystem services due to intensified land use.For the development of sustained land use,management knowledge of plant performance in relation to resource supply is needed.We estimated productivity related functional traits at the edges of the habitat of Populus euphratica Oliv.Specific leaf area(SLA) and carbon/nitrogen(C/N) ratio of P.euphratica leaves growing near a former river bank and close to moving sand dunes in the Ebinur Lake National Nature Reserve in Xinjiang,Northwest China(near Kazakhstan) were determined and daily courses of CO2 net assimilation(PN),transpiration(E),and stomatal conductance(gs) of two consecutive seasons were measured during July-August 2007 and June-July 2008.Groundwater level was high(1.5-2.5 m below ground) throughout the years and no flooding occurred at the two tree stands.SLA was slightly lower near the desert than at the former river bank and leaves contained less N in relation to C.Highest E and g s of P.euphratica were reached in the morning before noon on both stands and a second low maximum occurred in the afternoon despite of the unchanged high levels of air to leaf water vapor pressure deficit(ALVPD).Decline of g s in P.euphratica was followed by decrease of E.Water use efficiency(WUE) of leaves near the desert were higher in the morning and the evening,in contrast to leaves from the former river bank that maintained an almost stable level throughout the day.High light compensation points and high light saturation levels of PN indicated the characteristics of leaves well-adapted to intensive irradiation at both stands.In general,leaves of P.euphratica decreased their g s beyond 20 Pa/kPa ALVPD in order to limit water losses.Decrease of E did not occur in both stands until 40 Pa/kPa ALVPD was reached.Full stomatal closure of P.euphratica was achieved at 60 Pa/kPa ALVPD in both stands.E through the leaf surface amounted up to 30% of the highest E rates,indicating dependence on water recharge from the ground despite of obviously closed stomata.A distinct leaf surface temperature(Tleaf) threshold of around 30℃ also existed before stomata started to close.Generally,the differences in gas exchange between both stands were small,which led to the conclusion that micro-climatic constraints to E and photosynthesis were not the major factors for declining tree density with increasing distance from the river. | Dieter OVERDIECK Daniel ZICHE RuiDe YU | 2013 | Journal of Arid Land2013，5，4： | 5 |
| 2 | 艾比湖流域阿其克苏河床土壤盐渍化调查分析显示文摘文章以艾比湖流域阿其克苏河床土壤为例,通过选取8个样地进行不同分层土壤的土壤水溶性盐分、pH值、土壤养分等盐渍化调查及分析,以及植被与土壤表层盐化程度关系得出该地土壤盐度含量很大,甚至超过了耐盐性很强的胡杨林正常生长能够承受的极限,盐渍化程度达到重度盐渍化。 | 陆亦农 于瑞德 D. Overdieck Daniel Ziche | 2009 | 新疆师范大学学报(自然科学版)2009，28，1： | 4 |
| 3 | Substance P induces migration of capillary endothelial cells: a novel NK-1 selective receptor mediated activity显示文摘 | Morbidelli L Geppetti P | 1991 | Life Sci1991，48，： | 1 |
| 4 | Induction of inflammatory angiogenesis by monocyte chemoattractant protein-1显示文摘 | Goede V Brogelli L Ziche M | 1999 | Int J Cancer1999，82，5： | 1 |
| 5 | Nitric oxide mediates angiogenesis in vivo and endothelial cell growth and migration in vitro promoted by substance P显示文摘 | Morbidelli L Masini E | 1994 | J Clin Invest1994，94，： | 1 |
| 6 | Nitric oxide synthase lies downstream from vascular endothelial growth factor-induced but not basic fibroblast growth factor-induced angiogenesis显示文摘 | Ziche M Morbidelli L Choudhuri R | 1997 | J Clin Invest1997，99，11： | 1 |
| 7 | Hepatocyte growth factor is a potent angiogenic factor which stimulates endothelial cell motility and growth显示文摘 | Direnzo M F Ziche M | 1992 | J Cell Biol1992，119，： | 1 |
| 8 | Nitric oxide mediates angiogenesis in vivo and endothelial cell growth and migration in vitro promoted by substance P 显示文摘 | Morbidelli E Masini S | 1994 | J Clin Invest1994，94，7： | 1 |
| 9 | Nitric oxide mediates angiogenesis in vivo and endothelial cell gowth and migration in vitro promoted by substance P显示文摘 | Ziche M Morbidelli L Masini E | 1994 | J Clin Invest1994，94，5： | 1 |
| 10 | Induction of inflammatory angiogenesis by monocyte chemoattractant protein-1显示文摘 | Geode V Brogelli L Ziche M | 1999 | Int J Cancer1999，82，5： | 1 |
| 11 | Nitric oxide mediates angiogenesis in vivo and endothelial cell growth and migration in vitro promoted by substance P显示文摘 | Ziche M Morbidelli E Masini S | 1994 | J Clin Invest1994，94，7： | 1 |
| 12 | Nitric oxide mediates angiogenesis in vivo and endothelial cell growth and migration in vitro promoted by substance P显示文摘 | Ziche M Morbidelli L Masini E | 1994 | J Clin Invest1994，94，5： | 1 |
| 13 | Nitric Oxide and Angiogenesis显示文摘 | Marina Ziche Lucia Morbidelli | 2000 | Journal of Neuro - Oncology (-)2000，，1： | 1 |
| 14 | Hepatocyte growth factor is a potent angiogenic factor which stimulates endothelial cell motility and growth 显示文摘 | Bussolino F Renzo M F Ziche M | 1992 | J Cell Biol1992，119，： | 1 |
| 15 | Grazing as a driver for Populus euphratlca woodland degradation in the semi-arid Aibi Hu region, northwestern China 显示文摘 | SAUMEL I ZICHE D YU R | 2011 | Journal of Arid Environments2011，75，3： | 1 |
| 16 | VEGF upregulates ec-NOS message,protein,and NO production in human endothelial cells显示文摘 | Hood JD Meininger CJ Ziche M | 1998 | Am J Physiol1998，274，32： | 1 |
| 17 | In vitro and in vivo activation of endothelial cells by colony-stimulating factors显示文摘 | Bussolino F Ziche M Wang JM | 1991 | J Clin Invest1991，87，： | 1 |
| 18 | Nitric oxide synthase lies downstream from vascular endothelial growth factor-induced but not basic fibroblast growth factor-induced angiogenesis显示文摘 | Ziche M Morbidelli L Choudhuri R | 1997 | J Clin Invest1997，99，11： | 1 |
| 19 | Hepatocyte growth factor is a potent angiogenic factor which stimulates endothelial cell molitility and growth 显示文摘 | Bussolino F Direnzo MF Ziche M | 1992 | J Cell Biol1992，119，3： | 1 |
| 20 | VEGF upregulates ecNOS message, protein,and NO production in human endothelial cells显示文摘 | Hood JD Meininger CJ Ziche M | 1998 | Am J Physiol1998，274，3： | 1 |
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