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196篇 您的检索式:作者名="Scheu"
    题名 作者 年代 出处 被引量
1长白山森林生态系统凋落物层和土壤层跳虫物种多样性和功能多样性对海拔梯度的响应显示文摘山脉是生物多样性研究的热点地区,以往关于山脉的研究多集中于地上植物和脊椎动物,无脊椎动物相关的研究明显滞后。跳虫(Collembola)是土壤无脊椎动物的主要类群之一,在分解有机质、疏松和活化土壤过程中发挥着重要的作用。以跳虫为研究对象,采用梯度格局法,在长白山北坡自海拔800 m至1700 m,每隔150 m进行凋落物层和土壤层样品的采集,对比分析了土壤层和凋落物层的群落组成与群落结构,采用4个物种多样性指数(丰富度指数、Pielou均匀度指数、Shannon⁃Weiner多样性指数和Simpson多样性指数)和4个功能多样性指数(功能丰富度FRic指数、功能均匀度FEve指数、二次熵Rao′s Q指数和功能离散FEiv指数),探讨了多样性沿海拔梯度的分布格局。共获得跳虫5542头,隶属于12科42属83种,其中等节跳科为绝对优势类群(相对密度>50%)。非度量多维尺度分析结果表明,凋落物层和土壤层的跳虫群落结构差异显著,长角跳科、鳞跳科和疣跳科物种多分布于凋落物层,而棘跳科物种多分布于土壤层。线性或二次回归模型结果表明,在凋落物层跳虫的丰富度指数,Shannon⁃Weiner多样性指数和Simpson多样性指数沿海拔梯度的变化呈增加格局;但在土壤层跳虫物种多样性指数沿海拔梯度的变化无明显趋势。在凋落物层,跳虫的功能丰富度指数和功能离散度Rao′s Q指数随海拔梯度的变化呈现单峰分布格局;在土壤层,跳虫的功能丰富度指数随海拔梯度的变化也呈现单峰分布格局,但其他功能多样性指数沿海拔梯度的变化无明显趋势。研究表明凋落物层和土壤层跳虫的群落组成,群落结构及多样性存在显著差异,跳虫的物种多样性指数和功能多样性指数对海拔梯度变化的响应不同,未来在探讨土壤动物沿海拔梯度的分布格局及其物种共存机制时,应综合考量垂直分层(凋落物层和土壤层)和多个度量维度(物种多样性和功能多样性)。谢致敬 常亮 Scheu Stefan 吴东辉 孙新 2022生态学报2022,42,9:10
2Towards maximized utilization of iridium for the acidic oxygen evolution reaction显示文摘The reduction in noble metal content for efficient oxygen evolution catalysis is a crucial aspect towards the large scale commercialisation of polymer electrolyte membrane electrolyzers.Since catalytic stability and activity are inversely related,long service lifetime still demands large amounts of low-abundant and expensive iridium.In this manuscript we elaborate on the concept of maximizing the utilisation of iridium for the oxygen evolution reaction.By combining different tin oxide based support materials with liquid atomic layer deposition of iridium oxide,new possibilities are opened up to grow thin layers of iridium oxide with tuneable noble metal amounts.In-situ,time-and potential-resolved dissolution experiments reveal how the stability of the substrate and the catalyst layer thickness directly affect the activity and stability of deposited iridium oxide.Based on our results,we elaborate on strategies how to obtain stable and active catalysts with maximized iridium utilisation for the oxygen evolution reaction and demonstrate how the activity and durability can be tailored correspondingly.Our results highlight the potential of utilizing thin noble metal films with earth abundant support.materials for future catalytic applications in the energy sector.Marc Ledendecker Simon Geiger Katharina Hengge Joohyun Lim Serhiy Cherevko Andrea M. Mingers Daniel Gohl Guilherme V. Fortunato Daniel Jalalpoor Ferdi Schuth Christina Scheu Karl J. J. Mayrhofer 2019Nano Research2019,12,9:6
3The Patatin-Containing Phospholipase A pPLAIIα Modulates Oxylipin Formation and Water Loss in Arabidopsis thaliana显示文摘patatin 相关的 phospholipase A (pPLA ) 水解膜 glycerolipids 将生产 monoacyl 混合物和免费的丰满的酸。Phospholipids 被 pPLAII 在 sn-1 和 sn-2 劈开包括那些包含的 oxophytodienoic 酸,位置,和 galactolipids 能也用作底层。pPLAII 的脱离减少了 lysophosphatidylcholine 和 lysophosphatidylethanolamine 层次,而是增加的免费的亚麻酸的酸。pPLAII 缺乏的植物显示了 jasmonic 酸和甲基的高水平 jasmonate,以及 oxylipin-biosynthetic 中介 13-hydroperoxylinolenic 酸和比酸的 12-oxophytodienoic 野类型(WT ) 植物。涉及 oxylipin 生产的基因的表示比在 WT 植物在 pPLAII 缺乏的异种也是更高的。变异的植物比 WT 植物更快速失去了水。WT 和变异的植物的 stomata 对 abscisic 酸同样作出回应。响应干燥,异种和 WT 叶子以一样的率生产了 abscisic 酸,,但是,在干燥的 4h 以后, jasmonic 酸水平比 WT 离开的在异种是高得多的。这些结果显示 pPLAII 否定地调整 oxylipin 生产并且从膜在氧化地修改的丰满的酸的移动建议一个角色。Wen-Yu Yang Yong Zheng Sung Chul Bahn Xiang-Qing Pan Mao-Yin Li Hieu Sy Vu Mary R.Roth Brad Scheu Ruth Welt Yue-Yun Hong Xue-Min Wang 2012Molecular Plant2012,5,2:5
4Effects of synbiotic fermentation products on primary chemoprevention in human colon cells显示文摘Katrin Stein Anke Borowicki Daniel Scharlau Anika Schettler Kerstin Scheu Ursula Obst Michael Glei 2012The Journal of Nutritional Biochemistry2012,,7:2
5Compartmentalization of the soil animal food web as indicated by dual analysis of stable isotope ratios (15N/14N and 13C/12C)显示文摘Pollierer M M Langel R Scheu S 0,,41:1
6Rapid detection of Listeria monocytogenes by PCR - ELISA 显示文摘Scheu P Gasch A Berghof K 1999Lett Appl Microbiol1999,29,6:1
7Detection of pathogenic Yersinia enterocolitica in meat using real-tinm PCR显示文摘FREDRIKSSON-AHOMAA M HARTMANN B SCHEU P 2007Journal of Consumer Protection and Food Safety2007,2,2:1
8Mitochondrial COⅡ sequences indicate that the parthenogenetic earthworm Octolasion tyrtaeum (Savigny 1826) constitutes of two lineages differing in body size and genotype显示文摘Heethoff M Etzold K Scheu S 2004Pedobioligia2004,48,:1
9Influence of fragmentation and bioturbation on the decomposition of ^14C- labelled beech leaf litter 显示文摘SCHEU S WOLTERS V 1991Soil Biology and Biochemistry1991,23,11:1
10Mapping Nanotechnology Patents: The EPO Approach 显示文摘Scheu M Veefkind V Verbandt Y Molina Galan E Ab- salom R Forster W 2006World Patent Information2006,28,3:1
11Decomposers(Lumbricidae,Collembola)affect plant performance in model grasslands of different diversity diversity显示文摘PARTSCH S MILCU A SCHEU S 2006Ecology2006,87,10:1
12Spatial-pattern a- nalysis in a territorial spider: evidence for muhi-scale effects 显示文摘BIRKHOFER K HENSCHEL J R SCHEU S 2006Ecography2006,29,5:1
13Buffering of the effect of acidrain on decomposition of C - 14 - labeled beech leaf litter by saprophagous invertebrates 显示文摘SCHEU S WOLTERS V 1991Biology and Fertility of Soils1991,11,4:1
14Biodiversity and litter decomposition in terrestrial ecosystems 显示文摘H?ttenschwiler S Tiunov VA Scheu S 2005Annu Rev Ecol Evol S2005,36,:1
15Biodiversity and Litter Decomposition in Terrestrial Ecosystems显示文摘HATTENSCHWILER S TIUNOV A V SCHEU S 2005Annual Review of Ecology Evolution and Systematics2005,36,:1
16Microstructural evolution of Cr - Mn - N austenitic steels during cold work hardening显示文摘Sailer G Spiradek H K Scheu C 2006Materials Science and Engineering: A2006,427,12:1
17Litter microflora-soil microfauna interactions in lignin decomposition: a laboratory experiment with ^14C-labelled lignin显示文摘Scheu S 1993Soil Biology and Biochemistry1993,25,:1
18Effects of foliar and soil insecticide applications on the collembolan community of an early set - aside arable field显示文摘Kerstin E Schadler M Scheu S 2006Applied Soil Ecology2006,31,:1
19Microstructural evolution of Cr–Mn–N austenitic steels during cold work hardening显示文摘G. Saller K. Spiradek-Hahn C. Scheu H. Clemens 2006Materials Science & Engineering A2006,,1:1
20Phospholipid fatty acid profiles and xylanase activity in particle size fractions of forest soil and casts of Lumbricus terrestris L. (Oligochaeta, Lumbricidae)显示文摘Sven Marhan Ellen Kandeler Stefan Scheu 2006Applied Soil Ecology2006,,2:1
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