Items where contributor is "Kahmen, Ansgar"
2017Gamarra, Bruno and Kahmen, Ansgar. (2017) Low secondary leaf wax n-alkane synthesis on fully mature leaves of C3 grasses grown at controlled environmental conditions and variable humidity. Rapid Communications in Mass Spectrometry, 31 (2). pp. 218-226. Nelson, Daniel and Knohl, Alexander and Sachse, Dirk and Schefusse, Enno and Kahmen, Ansgar. (2017) Sources and abundances of leaf waxes in aerosols in central Europe. Geochimica et Cosmochimica Acta, 198. pp. 299-314. Lehmann, Marco M. and Gamarra, Bruno and Kahmen, Ansgar and Siegwolf, Rolf T. W. and Saurer, Matthias. (2017) Oxygen isotope fractionations across individual leaf carbohydrates in grass and tree species. Plant, Cell and Environment, 40 (8). pp. 1658-1670. Bögelein, Rebekka and Thomas, Frank M. and Kahmen, Ansgar. (2017) Leaf water (18) O and (2) H enrichment along vertical canopy profiles in a broadleaved and a conifer forest tree. Plant, Cell and Environment, 40 (7). pp. 1086-1103. Munksgaard, N. C. and Cheesman, A. W. and English, N. B. and Zwart, C. and Kahmen, A. and Cernusak, L. A.. (2017) Identifying drivers of leaf water and cellulose stable isotope enrichment in Eucalyptus in northern Australia. Oecologia, 183 (1). pp. 31-43. Symanczik, Sarah and Gisler, Michelle and Thonar, Cécile and Schlaeppi, Klaus and Van der Heijden, Marcel and Kahmen, Ansgar and Boller, Thomas and Mäder, Paul. (2017) Application of Mycorrhiza and Soil from a Permaculture System Improved Phosphorus Acquisition in Naranjilla. Frontiers in Plant Science, 8. p. 1263. Newberry, Sarah L. and Prechsl, Ulrich E. and Pace, Matthew and Kahmen, Ansgar. (2017) Tightly bound soil water introduces isotopic memory effects on mobile and extractable soil water pools. Isotopes in Environmental and Health Studies, 53 (4). pp. 368-381. Rach, Oliver and Kahmen, Ansgar and Brauer, Achim and Sachse, Dirk. (2017) A dual-biomarker approach for quantification of changes in relative humidity from sedimentary lipid D/H ratios. Climate of the Past, 13. pp. 741-757. 2016Cernusak, L. A. and Barbour, M. M. and Cheesman, A. W. and English, N. B. and Field, T. S. and Helliker, B. R. and Holloway-Phillips, M. M. and Holtum, J. A. M. and Kahmen, Ansgar and McInerney, F. A. and Munksgaard, N. C. and Simonin, K. A. and Song, X. and Stuart-Williams, H. and West, J. B. and Farquhar, G. D.. (2016) Stable isotopes in leaf water of terrestrial plants. Plant, Cell and Environment, 39 (5). pp. 1087-1102. Gamarra, Bruno and Sachse, D. and Kahmen, Ansgar. (2016) Effects of leaf water evaporative 2H-enrichment and biosynthetic fractionation on leaf wax n-alkane δ2H values in C3 and C4 grasses. Plant, Cell and Environment, 39 (11). pp. 2390-2403. Brinkmann, Nadine and Eugster, Werner and Zweifel, Roman and Buchmann, Nina and Kahmen, Ansgar. (2016) Temperate tree species show identical response in tree water deficit but different sensitivities in sap flow to summer soil drying. Tree Physiology, 36 (12). pp. 1508-1519. 2015Roden, John and Kahmen, Ansgar and Buchmann, Nina and Siegwolf, Rolf T. W.. (2015) The enigma of effective path length for (18) O enrichment in leaf water of conifers. Plant, cell & environment, 38 (12). pp. 2551-2565. Newberry, Sarah and Kahmen, Ansgar and Dennisa, Paul and Granta, Alastair. (2015) n-Alkane biosynthetic hydrogen isotope fractionation is not constant throughout the growing season in the riparian tree Salix viminalis. Geochimica et cosmochimica acta, 165. pp. 75-85. Gamarra, Bruno and Kahmen, Ansgar. (2015) Concentrations and δ(2)H values of cuticular n-alkanes vary significantly among plant organs, species and habitats in grasses from an alpine and a temperate European grassland. Oecologia, 178 (4). pp. 981-998. Sachse, Dirk and Dawson, Todd E. and Kahmen, Ansgar. (2015) Seasonal variation of leaf wax n-alkane production and δ(2)H values from the evergreen oak tree, Quercus agrifolia. Isotopes in Environmental and Health Studies, Vol. 51, H. 1. pp. 124-142. Craine, Joseph M. and Elmore, Andrew J. and Wang, Lixin and Augusto, Laurent and Baisden, W. Troy and Brookshire, E. N. J. and Cramer, Michael D. and Hasselquist, Niles J. and Hobbie, Erik A. and Kahmen, Ansgar and Koba, Keisuke and Kranabetter, J. Marty and Mack, Michelle C. and Marin-Spiotta, Erika and Mayor, Jordan R. and McLauchlan, Kendra K. and Michelsen, Anders and Nardoto, Gabriela B. and Oliveira, Rafael S. and Perakis, Steven S. and Peri, Pablo L. and Quesada, Carlos A. and Richter, Andreas and Schipper, Louis A. and Stevenson, Bryan A. and Turner, Benjamin L. and Viani, Ricardo A. G. and Wanek, Wolfgang and Zeller, Bernd. (2015) Convergence of soil nitrogen isotopes across global climate gradients. Scientific Reports, 5 (8280). Prechsl, Ulrich E. and Burri, Susanne and Gilgen, Anna K. and Kahmen, Ansgar and Buchmann, Nina. (2015) No shift to a deeper water uptake depth in response to summer drought of two lowland and sub-alpine C₃-grasslands in Switzerland. Oecologia, Vol. 177, H. 1. pp. 97-111. Tuthorn, Mario and Zechner, Rudolf and Ruppenthal, Marc and Oelmann, Yvonne and Kahmen, Ansgar and del Valle , H. F. and Eglinton, T. and Rozanski, K.. (2015) Coupling δ2H and δ18O biomarker results yields information on relative humidity and isotopic composition of precipitation – a climate transect validation study. Biogeosciences, 12 (12). pp. 3913-3924. 2014Prechsl, Ulrich E. and Gilgen, Anna K. and Kahmen, Ansgar and Buchmann, Nina. (2014) Reliability and quality of water isotope data collected with a low-budget rain collector. Rapid communications in mass spectrometry, Vol. 28, H. 8. pp. 879-885. Tuthorn, Mario and Zech, Michael and Ruppenthal, Marc and Oelmann, Yvonne and Kahmen, Ansgar and Francisco del Valle, Héctor and Wilcke, Wolfgang and Glaser, Bruno. (2014) Oxygen isotope ratios (18O/16O) of hemicellulose-derived sugar biomarkers in plants, soils and sediments as paleoclimate proxy II: Insight from a climate transect study. Geochimica et cosmochimica acta, Vol. 126 , S. 624–634. Vicca, S. and Bahn, M. and Estiarte, M. and van Loon, E. E. and Vargas, R. and Alberti, G. and Ambus, P. and Arain, M. A. and Beier, C. and Bentley, L. P. and Borken, W. and Buchmann, N. and Collins, S. L. and de Dato, G. and Dukes, J. S. and Escolar, C. and Fay, P. and Guidolotti, G. and Hanson, P. J. and Kahmen, A. and Kroel-Dulay, G. and Ladreiter-Knauss, T. and Larsen, K. S. and Lellei-Kovacs, E. and Lebrija-Trejos, E. and Maestre, F. T. and Marhan, S. and Marshall, M. and Meir, P. and Miao, Y. and Muhr, J. and Niklaus, P. A. and Ogaya, R. and Penuelas, J. and Poll, C. and Rustad, L. E. and Savage, K. and Schindlbacher, A. and Schmidt, I. K. and Smith, A. R. and Sotta, E. D. and Suseela, V. and Tietema, A. and van Gestel, N. and van Straaten, O. and Wan, S. and Weber, U. and Janssens, I. A.. (2014) Can current moisture responses predict soil CO2 efflux under altered precipitation regimes? : a synthesis of manipulation experiments. Biogeosciences, Vol. 11. pp. 2991-3013. Crausbay, S. and Genderjahn, S. and Hotchkiss, S. and Sachse, D. and Kahmen, Ansgar and Arndt, S. K.. (2014) Vegetation Dynamics at the Upper Reaches of a Tropical Montane Forest are Driven by Disturbance Over the Past 7300 Years. Arctic, Antarctic, and Alpine Research, 46 (4). pp. 787-799. 2013Hoffmann, and Bernd, and Kahmen, Ansgar and Cernusak, Lucas A. and Arndt, Stefan and Sachse, Dirk. (2013) Abundance and distribution of leaf wax n-alkanes in leaves of Acacia and Eucalyptus trees along a strong humidity gradient in northern Australia. Organic geochemistry, Vol. 62. pp. 62-67. Lucas A., Cernusak and Kahmen, Ansgar. (2013) The multifaceted relationship between leaf water 18 O enrichment and transpiration rate. Plant, Cell and Environment, 36 (7). pp. 1239-1241. Kahmen, Ansgar and Hoffmann, Bernd and Schefuß, Enno and Arndt, Stefan K. and Cernusak, Lucas A. and West, Jason B. and Sachse, Dirk. (2013) Leaf water deuterium enrichment shapes leaf wax n-alkane δD values of angiosperm plants II: Observational evidence and global implications. Geochimica et Cosmochimica Acta, 111. pp. 50-63. Kahmen, Ansgar and Schefuss, Enno and Sachse, Dirk. (2013) Leaf water deuterium enrichment shapes leaf wax n-alkane δD values of angiosperm plants I: Experimental evidence and mechanistic insights. Geochimica et Cosmochimica Acta, 111. pp. 39-49. Cernusak, Lucas and Kahmen, Ansgar. (2013) The multifaceted relationship between leaf water 18O enrichment and transpiration rate. Plant, Cell and Environment, 36 (7). pp. 1239-1241. 2012Yannick, Garcina and Valérie F, Schwab and Gerd, Gleixner and Kahmen, Ansgar and Gilbert, Todoud and Olivier, Sénée and Jean-Michel, Onana and Gaston, Achoundong and Dirk, Sachse. (2012) Hydrogen isotope ratios of lacustrine sedimentary n-alkanes as proxies of tropical African hydrology: Insights from a calibration transect across Cameroon. Geochimica et Cosmochimica Acta, 79. pp. 106-126. 2011Kahmen, Ansgar and Dawson, Todd E. and Vieth, Andrea and Sachse, Dirk. (2011) Leaf wax n-alkane δD values are determined early in the ontogeny of Populus trichocarpa leaves when grown under controlled environmental conditions. Plant, Cell and Environment, 34 (10). pp. 1639-1651. Kahmen, Ansgar and Sachse, Dirk and Arndt, Stefan K. and Tu, Kevin P. and Farrington, Heraldo and Vitousek, Peter M. and Dawson, Todd E.. (2011) Cellulose (delta)18O is an index of leaf-to-air vapor pressure difference (VPD) in tropical plants. Proceedings of the National Academy of Sciences, 108 (5). pp. 1981-1986. 2010Stein, Claudia and Unsicker, Sybille B. and Kahmen, Ansgar and Wagner, Markus and Audorff, Volker and Auge, Harald and Prati, Daniel and Weisser, Wolfgang W.. (2010) Impact of invertebrate herbivory in grasslands depends on plant species diversity. Ecology, 91 (6). pp. 1639-1650. 2009Kahmen, Ansgar and Simonin, Kevin and Tu, Kevin and Goldsmith, Gregory R. and Dawson, Todd E.. (2009) The influence of species and growing conditions on the 18-O enrichment of leaf water and its impact on 'effective path length'. New Phytologist, 184 (3). pp. 619-630. Craine, Joseph M. and Elmore, Andrew J. and Aidar, Marcos P. M. and Bustamante, Mercedes and Dawson, Todd E. and Hobbie, Erik A. and Kahmen, Ansgar and Mack, Michelle C. and McLauchlan, Kendra K. and Michelsen, Anders and Nardoto, Gabriela B. and Pardo, Linda H. and Peñuelas, Josep and Reich, Peter B. and Schuur, Edward A. G. and Stock, William D. and Templer, Pamela H. and Virginia, Ross A. and Welker, Jeffrey M. and Wright, Ian J.. (2009) Global patterns of foliar nitrogen isotopes and their relationships with climate, mycorrhizal fungi, foliar nutrient concentrations, and nitrogen availability. New Phytologist, 183 (4). pp. 980-992. 2008Kahmen, Ansgar and Wanek, Wolfgang and Buchmann, Nina. (2008) Foliar delta(15)N values characterize soil N cycling and reflect nitrate or ammonium preference of plants along a temperate grassland gradient. Oecologia, 156 (4). pp. 861-870. Kahmen, Ansgar and Simonin, Kevin and Tu, Kevin P. and Merchant, Andrew and Callister, Andrew and Siegwolf, Rolf and Dawson, Todd E. and Arndt, Stefan K.. (2008) Effects of environmental parameters, leaf physiological properties and leaf water relations on leaf water delta18O enrichment in different Eucalyptus species. Plant, Cell and Environment, 31 (6). pp. 738-751. 2006Unsicker, Sybille B. and Baer, Nadine and Kahmen, Ansgar and Wagner, Markus and Buchmann, Nina and Weisser, Wolfgang W.. (2006) Invertebrate herbivory along a gradient of plant species diversity in extensively managed grasslands. Oecologia, 150 (2). pp. 233-246. Kahmen, Ansgar and Renker, Carsten and Unsicker, Sybille B. and Buchmann, Nina. (2006) Niche complementarity for nitrogen: an explanation for the biodiversity and ecosystem functioning relationship? Ecology, 87 (5). pp. 1244-1255. 2005Kahmen, Ansgar and Perner, Jörg and Audorff, Volker and Weisser, Wolfgang and Buchmann, Nina. (2005) Effects of plant diversity, community composition and environmental parameters on productivity in montane European grasslands. Oecologia, 142 (4). pp. 606-615. 2004Arndt, Stefan K. and Kahmen, Ansgar and Arampatsis, Christina and Popp, Marianne and Adams, Mark. (2004) Nitrogen fixation and metabolism by groundwater-dependent perennial plants in a hyperarid desert. Oecologia, 141 (3). pp. 385-394. |
