• Research

    last within the projects

    former projects

    • BioComp I - Relating Biodiversity patterns and compositional features of grassland vegetation using near infrared reflectance spectroscopy (Biodiversity Exploratories)
    • BioComp II - Relating isotopic signals, nutrient concentrations and fibre contents of grassland biomass to biodiversity patterns, ecosystem processes and land-use intensity using multi-temporal data generated with near infrared spectroscopy (NIRS) (Biodiversity Exploratories)

    research interests

    • Plant Ecology
    • Ecology of Grasslands
    • Floodplain Ecology
    • Land-use Change
    • Organic Farming
    • Near-Infrared Spectroscopy (NIRS)
    • Urban Ecology
    • Forest Ecology
    • Nurtrient Cycles
    • Experimental Ecology
  • Teaching

    • Several one-day excursions
    • Three day excursions to the Eifel mountains, Lüneburger heather, national park Hainich
    • Longer excursions to the river Rhine and the North German Plain
    • Lecture, seminar and practical course "grassland ecology and managment"
    • Seminar "Land-use conflicts in floodplains"
    • Seminar "Determination of woody plants in winter"
    • Practical course Soil
    • Colloquium Landscape Ecology

  • Curriculum vitae

    2012 - 2017

    Graduate assistant

    Postdoc, Biodiversity and Ecosystem Research Group, University of Münster

    2012

    PhD in landscape ecology

    Faculty of Geosciences, University of Münster

    Thesis Relationships between productivity, land-use intensity and plant species richness in agricultural grasslands

    2009 - 2012

    Research assistant

    PhD student, Working Group Ecosystem Research, University of Münster

    2008 - 2009

    Course guidance

    "Front Office" at the Faculty of Geosciences, University of Münster

    Seit 2008

    Lecturer for different courses

    Institute of Landscape Ecology, University of Münster
    2008

    Diploma in landscape ecology

    Institute of Landscape Ecology, University of Münster

    Thesis Vegetations- und Nährstoffgradienten in Auenwiesen am nördlichen Oberrhein

    2008

    Research assistant

    Institute of Landscape Ecology, University of Münster

    2007

    Student assistant

    Institute of Landscape Ecology & Geomuseum, University of Münster

    2002 - 2008

    Studies of Landscape Ecology

    University of Münster

  • Services, Memberships

    Services

    • spokesman of PhD students within the Biodiversity Exploratories (2010-2012)
    • Comission for student fees/Department of Geosciences ( 2009-2010)
    • Institute Council: substitutional member (since 2014/10)
    • Equal Opportunities Commission: substitutional member (since 2015/02)

    Memberships in scientific organisations

    • Ecological Society of Germany, Austria and Switzerland (GfÖ)
    • International Association for Vegetation Science (IAVS)
  • Publications

    International publications (peer-reviewed)

    Submitted

    • Heer N, Klimmek F, Zwahlen C, Fischer M, Hölzel N, Klaus VH, Kleinebecker T, Prati D (submitted) Hemiparasite-density effects on grassland plant diversity, composition and biomass
    • Kleinebecker T, Busch V, Hölzel N, Hamer U, Schäfer D, Prati D, Fischer M, Hemp A, Lauterbach R, Klaus VH (submitted) And the winner is … ! A test of simple predictors of plant species richness in agricultural grasslands

    • Leimer S, Bischoff S, Boch S, Busch V, Escher P, Fischer M, Hänsel F, Hölzel N, Kerber K, VH Klaus, Kleinebecker T, Michalzik B, Nauss T, Schäfer D, Schöning I, Schwarz MT, Siemens J, Thieme L, Wöllauer S, Wilcke W (submitted) Does plant diversity affect the water balance of established grassland systems?
    • van der Plas F, Allan E, Fischer M, Alt F, Binkenstein J, Blaser S, Blüthgen N, Böhm S, Hölzel N, Klaus VHK, Kleinbecker T, Morris EK, Oelmann Y, Prati D, Renner S, Rillig MC, Schaefer HM, Schloter M, Schmitt B, Schöning I, Schrumpf M, Solly E, Sorkau E, Steckel J, Steffan-Dewenter I, Stempfhuber B, Tschapka M, Weiner CN, Weisser WW, Werner M, Westphal C, wilcke W, Manning P (submited) Heterogeneity in ecosystem drivers promotes landscape multifunctionality

    accepted

    • ...

    in press

    • Busch V, Klaus VH, Penone C, Schäfer D, Boch S, Prati D, Müller J, Socher S, Niinemets Ü, Peñuelas J, Hölzel N, Fischer M, Kleinebecker T (in press) Nutrient stoichiometry and land use rather than species richness determine plant functional diversity. Ecology and Evolution [doi:10.1002/ece3.3609] Open Access
    • Klaus VH, Hoever CJ, Fischer M, Hamer U, Kleinebecker T, Mertens D, Schäfer D, Prati D, Hölzel N (2017, in press) Contribution of the soil seed bank to the restoration of temperate grasslands by mechanical sward disturbance. Restoration Ecology [doi:10.1111/rec.12626]
    • Klaus VH, Schäfer D, Prati D, Busch V, Hamer U, Hoever CJ, Kleinebecker T, Mertens D, Fischer M, Hölzel N (in press) Effects of mowing, grazing and fertilization on soil seed banks in temperate grasslands. Agriculture, Ecosystems and Environment [doi:10.​1016/​j.​agee.​2017.​11.​008]
    • Sorkau E, Boch S, Boeddinghaus RS, Bonkowski M, Fischer M, Kandeler E, Klaus VH, Kleinebecker T, Marhan S, Müller J, Prati D, Schöning I, Schrumpf M, Weinert J, Oelmann Y (in press) The role of soil chemical properties, land use and plant diversity for microbial phosphorus in forest and grassland soils. Journal of Plant Nutrition and Soil Science [doi: 10.1002/jpln.201700082]

    2017

    • Gilhaus K, Boch S, Fischer M, Hölzel, N, Kleinebecker T, Prati D, Rupprecht D, Schmitt B, Klaus VH (2017) Grassland management in Germany: effects on plant diversity and vegetation composition. Tuexenia 37: 379-397 [doi:10.14471/2017.37.0 10]
    • Hejkal J, Buttschardt TK, Klaus VH (2017) Connectivity of public urban grasslands: implications for grassland conservation and restoration in cities. Urban Ecosystems 20 (2): 511-519 [doi: 10.1007/s11252-016-0611-8]
    • Klaus VH, Schäfer D, Kleinebecker T, Fischer M, Prati D, Hölzel N (2017) Enriching plant diversity in grasslands by large-scale experimental sward disturbance and seed addition along gradients of land-use intensity. Journal of Plant Ecology 10 (4): 581-591 [doi:10.1093/jpe/rtw062]
    • Rudolph M, Velbert F, Schwenzfeier S, Kleinebecker T, Klaus VH (2017) Patterns and potentials of plant species richness in high- and low-maintenance urban grasslands. Applied Vegetation Science 20 (1): 18–27 [doi: 10.1111/avsc.12267]

    2016

    • Blüthgen N, Simons N, Jung K, Prati D, Renner S, Boch S, Fischer M, Hölzel N, Klaus VH, Kleinebecker T, Tschapka M, Weisser WW, Gossner MM (2016) Land use imperils plant and animal community stability through changes in asynchrony rather than diversity. Nature Communications 7: 10697 [doi:10.1038/ncomms10697]
    • Klaus VH, Boch S, Boeddinghaus RS, Hölzel N, Kandeler E, Marhan S, Oelmann Y, Prati D, Regan KM, Schmitt B, Sorkau E, Kleinebecker T (2016) Temporal and small-scale spatial variation in grassland productivity, biomass quality and nutrient limitation. Plant Ecology 217 (7): 843-856 [doi:10.1007/s11258-016-0607-8]
    • Klaus VH*, Hölzel N, Prati D, Schmitt B, Schöning I, Schrumpf M, Solly EF, Hänsel F, Fischer M, Kleinebecker T* (2016) Plant diversity moderates drought stress in grasslands: Implications from a large real-world study on 13C natural abundances. Science of the Total Environment 566–567: 215–222 [doi:10.1016/j.scitotenv.2016.05.008] (* equal authorship)
    • Soliveres S, Manning P, Prati D, Gossner MM, Alt F, Arndt H, Baumgartner V, Binkenstein J, Birkhofer K, Blaser S, Blüthgen N, Boch S, Böhm S, Börschig C, Buscot F, Diekötter T, Heinze J, Hölzel N, Jung K, Klaus VH, Klein A-M, Kleinebecker T, Klemmer S, Krauss J, Lange M, Morris EK, Müller J, Oelmann Y, Overmann J, Pašalić E, Renner SC, Rillig MC, Schaefer HM, Schloter M, Schmitt B, Schöning I, Schrumpf M, Sikorski J, Socher SA, Solly EF, Sonnemann I, Sorkau E, Steckel J, Steffen-Dewenter I, Stempfhuber B, Tschapka M, Türke M, Venter P, Weiner CN, Weisser WW, Werner M, Westphal C, Wilcke W, Wolters V, Wubet T, Wurst S, Fischer M, Allan E (2016) Locally rare species influence grassland ecosystem multifunctionality. Philosophical Transactions of the Royal Society B 371: 20150269. [doi:10.1098/rstb.2015.0269 ]
    • Soliveres S, van der Plas F, Manning P, Prati D, Gossner MM, Renner SC, Alt F, Arndt H, Baumgartner V, Binkenstein J, Birkhofer K, Blaser S, Blüthgen N, Boch S, Böhm S, Börschig C, Buscot F, Diekötter T, Heinze J, Hölzel N, Jung K, Klaus VH, Kleinebecker T, Klemmer S, Krauss J, Lange M, Morris EK, Müller J, Oelmann Y, Overmann J, Pašalić E, Rillig MC, Schaefer HM, Schloter M, Schmitt B, Schöning I, Schrumpf M, Sikorski J, Socher SA, Solly EF, Sonnemann I, Sorkau E, Steckel J, Steffan-Dewenter I, Stempfhuber B, Tschapka M, Türke M, Venter P, Weiner CN, Weisser WW, Werner M, Westphal C, Wilcke W, Wolters V, Wubet T, Wurst S, Fischer M, Allan E (2016) Biodiversity at multiple trophic levels is needed for ecosystem multifunctionality. Nature 536: 456–459 [doi:10.1038/nature19092]

    2015

    • Allan E, Manning P, Prati D, Grassein F, Alt F, Binkenstein J, Blaser S, Blüthgen N, Hölzel N, Klaus VH, Kleinebecker T, Morris E-K, Oelmann Y, Renner SC, Rillig MC, Schäfer M, Schloter M, Schmitt B, Schöning I, Schrumpf M, Solly E, Sorkau E, Steckel J, Steffen-Dewenter I, Stempfhuber B, Trumbore S, Weiner CN, Weisser WW, Werner W, Westphal C, Wilcke W, Fischer M (2015) Land use intensification alters ecosystem multifunctionality via loss of biodiversity and changes to functional composition. Ecology Letters 18: 834–843 [doi: 10.1111/ele.12469]
    • Manning P, Gossner M, Bossdorf O, Allan E, Prati D, Blüthgen N, Boch S, Böhm S, Börschig C, Hölzel N, Jung K, Klaus VH, Klein A, Kleinebecker T, Krauss J, Lange M, Müller J, Pašalić E, Socher S, Tschapka M, Türke M, Weiner C, Werner M, Gockel S, Hemp A, Renner S, Wells K, Buscot F, Kalko E, Linsenmair KE, Weisser WW, Fischer M (2015) Grassland management intensification weakens the associations among the diversities of multiple plant and animal taxa. Ecology 96:1492–1501 [http://dx.doi.org/10.1890/14-1307.1]

    2014

    • Allan E, Bossdorf O, Dormann CF, Prati D, Gossner M, Tscharntke T, Blüthgen N, Bellach M, Birkhofer K, Boch S, Böhm S, Börschig C, Chatzinotas A, Christ S, Daniel R, Diekoetter T, Fischer C, Friedl T, Glaser K, Hallman C, Hodac L, Hölzel N, Jung K, Klein A-M, Klaus VH, Kleinebecker T, Krauss J, Lange M, Morris EK, Müller J, Nacke H, Pašalic E, Rillig M, Rothenwöhrer C, Schall P, Scherber C, Schulze W, Socher S, Steckel J, Steffan-Dewenter I, Türke M, Weiner CN, Werner M, Westphal C, Wolters V, Wubet T, Gocke S, Gorke M, Hemp A, Renner SC, Schöning I, Pfeiffer S, König-Ries B, Buscot F, Linsenmair K-E, Schulze E-D, Weisser WW, Fischer M (2014) Inter-annual variation in land-use intensity enhances grassland multidiversity. Proceedings of the National Academy of Sciences of the United States of America 111 (1):  308–313 [doi:10.1073/pnas.1312213111]
    • Kleinebecker T, Hölzel N, Prati D, Schmitt B, Fischer M, Klaus VH (2014) Evidence from the real world: 15N natural abundances reveal enhanced nitrogen use at high plant diversity in Central European grasslands. Journal of Ecology 102 2: 456-465 [doi:10.1111/1365-2745.12202]
    • Müller J, Heinze J, Joshi J, Boch S, Klaus VH, Fischer M, Prati D (2014) Influence of experimental soil disturbances on the diversity of bryophytes and vascular plants in agricultural grasslands. Journal of Plant Ecology 7 (6): 509-517 [doi:10.1093/jpe/rtt062]

    2013

    • Klaus VH (2013) Urban grassland restoration: a neglected opportunity for biodiversity conservation. Restoration Ecology 21: 665–669 [doi: 10.1111/rec.12051]
    • Klaus VH, Hölzel N, Boch S, Müller J, Socher SA, Prati D, Fischer M, Kleinebecker T (2013) Direct and indirect associations between plant species richness and productivity in grasslands: regional differences preclude simple generalization of productivity-biodiversity relationships. Preslia 85: 97–112 [link open access pdf]
    • Klaus VH, Hölzel N, Prati D, Schmitt B, Schöning I, Schrumpf M, Fischer M, Kleinebecker T (2013) Organic vs. conventional grassland management: Do 15N and 13C isotopic signatures of hay and soil samples differ? PLoS ONE 8(10): e78134 [doi:10.1371/journal.pone.0078134]
    • Klaus VH, Kleinebecker T, Prati D, Fischer M, Alt F, Boch S, Gockel S, Gossner M, Hemp A, Lange M, Müller J, Oelmann Y, Pašalić E, Renner SC, Socher SA, Türke M, Weisser WW, Hölzel N (2013) Does organic grassland farming benefit plant and arthropod diversity at the expense of yield and soil fertility? Agriculture, Ecosystems and Environment 177:1-9 [doi:10.1016/j.agee.2013.05.019]

    2012

    • Blüthgen N, Dormann C, Prati D, Klaus VH, Kleinebecker T, Hölzel N, Alt F, Boch S, Gockel S, Hemp A,  Müller J, Nieschulze J, Renner SC, Schöning I, Schumacher U, Socher SA, Wells K, Birkhofer K, Buscot F,  Oelmann Y, Rothenwöhrer C, Scherber C, Tscharntke T,  Weiner C, Fischer M, Kalko EKV, Linsenmair KE, Schulze E-D, Weisser WW (2012) A quantitative index of land-use intensity in grasslands: integrating mowing, grazing and fertilization. Basic and Applied Ecology 13: 207-220
      [doi: 10.1016/j.baae.2012.04.001]
    • Klaus VH, Kleinebecker T, Boch S, Müller J, Socher AS, Prati D, Fischer M, Hölzel N (2012) NIRS meets Ellenberg's indicator values: Prediction of moisture and nitrogen values of agricultural grassland vegetation by means of near-infrared spectral characteristics. Ecological Indicators 14: 82-86 [doi:10.1016/j.ecolind.2011.07.016]
    • Müller J, Klaus VH, Kleinebecker T, Prati D, Hölzel N, Fischer M (2012) Impact of Land-Use Intensity and Productivity on Bryophyte Diversity in Agricultural Grasslands. PLoS ONE 7(12): e51520 [doi:10.1371/journal.pone.0051520]
    • Socher S, Prati D, Müller J, Klaus V, Hölzel N, Fischer M (2012) Direct and productivity-mediated indirect effects of fertilization, mowing and grazing intensities on grassland plant species richness. Journal of Ecology 100: 1391-1399 [doi: 10.1111/j.1365-2745.2012.02020.x]

    2011

    • Klaus VH, Kleinebecker T, Hölzel N, Blüthgen N, Boch S, Müller J, Socher SA, Prati D, Fischer M (2011) Nutrient concentrations and fibre contents of plant community biomass reflect species richness patterns along a broad range of land-use intensities among agricultural grasslands. Perspectives in Plant Ecology, Evolution and Systematics 13: 287-295
      [doi:10.1016/j.ppees.2011.07.001]
    • Klaus VH, Sintermann J, Kleinebecker T, Hölzel N (2011) Sedimentation-induced eutrophication in large river floodplains - an obstacle to restoration? Biological Conservation 144: 451–458
      [doi:10.1016/j.biocon.2010.09.031]
    • Kleinebecker T, Klaus VH, Hölzel N (2011) Reducing sample quantity and maintaining high prediction accuracy of quality parameters in grassland biomass with near-infrared reflectance spectroscopy (NIRS). Journal of Near Infrared Spectroscopy 19: 495-505 [DOI 10.1255/jnirs.957]

    Books and Book Chapter

    Conference Presentations

    2015

    • Klaus VH, Stahlhut, N, Kleinebecker T, Fischer M, Hölzel N (2015) Ecological restoration by introduction of native plant species in urban areas. Oral Presentation. 6th World Conference on Ecological Restoration, Manchester, GB
    • Klaus VH, Prati D, Kleinebecker T, Schäfer, D, Schmitt B, Fischer M, Hölzel N (2015) Enriching plant diversity in temperate grasslands: Lessons learned from a large-scale seeding and disturbance experiment. Oral Presentation. 58th Symposium of the International Association for Vegetation Science, Brno; Czech Republic
    • Klaus VH, Prati D, Kleinebecker T, Schäfer, D, Schmitt B, Fischer M, Hölzel N (2015) Enriching plant diversity in temperate grasslands: Lessons learned from a large-scale seeding and disturbance experiment. Oral Presentation. 45th Annual Meeting of the Ecological Society of Germany, Austria and Switzerland (Gesellschaft für Ökologie, GfÖ), Göttingen, Germany

    2014

    • Klaus VH, Kleinebecker T, Hölzel N (2014) Restoring plant species richness in urban and agricultural grassland to support biodiversity and ecosystem functioning. Oral Presentation. 9th European Conference on Ecological Restoration, Oulu, Finland

    2013

    • Klaus VH, Kleinebecker T, Fischer M, Prati D, Schmitt B, Hölzel N (2013) Does diversity matter? Advances in nutrient cycling in grasslands indicated by 15N natural abundances. Oral Presentation. 43rd Annual Meeting of the Ecological Society of Germany, Austria and Switzerland (Gesellschaft für Ökologie, GfÖ), Potsdam, Germany
    • Klaus VH, Kleinebecker T, Boch S, Müller J, Socher S, Prati D, Schmitt B, Blüthgen N, Fischer M, Hölzel N (2013) Implication for management and conservation of species-rich temperate grasslands from an interdisciplinary research project in Central Europe. Oral Presentation. International Congress for Conservation Biology (ICCB), Baltimore, USA
    • Velbert F, Klaus VH & Kleinebecker T (2013) Zustand und Potential des floristischen Artenreichtums im städtischen Grünland. Poster. Tagung Urbane Biodiversität – regionale, nationale und internationale Aspekte, Essen, Germany
    • Klaus VH (2013) Auenrenaturierung an der Ems. Oral Presentation. 4. Auenökologischer Workshop, Bad Sassendorf, Germany

    2012

    • Klaus VH, Kleinebecker T, Hölzel N (2012) Restoration ecology and agri-environmental schemes: Options for mutual benefit in agricultural grasslands. Oral Presentation, 8th European Conference on Ecological Restoration, Budweis, Czech Republic

    • Klaus VH, Fleischer K & Weking S (2012) Raum für Wasser: Auenrenaturierung an der Ems. Poster. 3. Auenökologischer Workshop, Neuburg an der Donau, Germany

    2011

    • Klaus VH, Kleinebecker T, Hölzel N, Boch S, Müller J, Socher SA, Prati D, Fischer M (2011) Nutrient concentrations in plant community biomass reflect species richness patterns in a broad range of agricultural grasslands. Oral Presentation. 54th Symposium of the International Association for Vegetation Science, Lyon, France
    • Klaus VH, Kleinebecker T, Boch S, Müller J, Socher S, Prati D, Fischer M, Hölzel N (2011) New insight in Ellenberg indicator values: Prediction and Validation with NIRS. Poster presentation, 41st Annual Conference of the Ecological Society of Germany, Austria and Switzerland (Gesellschaft für Ökologie, GfÖ), Oldenburg, Germany

    2010

    • Klaus VH, Kleinebecker T, Hölzel N, Boch S, Müller J, Socher S, Prati D, Fischer M (2010) Chemical composition of community biomass reflects biodiversity patterns in Central European grasslands. Oral Presentation. 40th anniversary Conference of the Ecological Society of Germany, Austria and Switzerland (Gesellschaft für Ökologie, GfÖ), Giessen, Germany
    • Klaus VH, Kleinebecker T, Hölzel N (2010) Near-infrared Spectroscopy (NIRS) as a time- and cost-saving tool in restoration ecology. Poster. 6th European Conference on Ecological Restoration, Avignon, France
    • Klaus V, Sintermann J, Kleinebecker T & Hölzel N (2010) Eutrophierung durch Sedimentation - ein Problem der Auenrenaturierung? Oral Presentation . 1. Auenökologischer Workshop, 20-22 März 2010, Pevestorf, Germany

    2008

    • Klaus V, Sintermann J & Hölzel N (2008) Sedimentation induced eutrophication in large river floodplains - an obstacle to restoration? Oral Presentation. 6th European Conference on Ecological Restoration, 8-12 September 2008, Ghent, Belgium
    • Klaus V, Sintermann J & Hölzel N (2008) Sedimentation induced eutrophication in large river floodplains - an obstacle to restoration? Oral Presentation. Verhandlungen der Gesellschaft für Ökologie 38: 303

    other publications

    • Hölzel N, Klaus VH (2017) Zur Artenvielfalt im Grünland. Was sie beeinflusst, wozu wir sie brauchen und wie wir sie unterstützen können. Natur in NRW 2/2017: 35-39 [download]
    • Boch S, Allan E, Birkhofer K, Blüthgen N, Christ-Breulmann S, Diekoetter T, Dormann CF, Gossner MM, Hallmann C, Hemp A,  Hölzel N, Jung K, Klaus VH,  Klein A-M, Kleinebecker T, Lange M, Müller J, Nacke H, Prati D, Renner SC, Rothenwöhrer C, Schall P, Schulze E-D, Socher SA, Tscharntke T, Türke M, Weiner CN, Weisser WW, Westphal C, Wolters V, Wubet T, Fischer M (2016): Extensive und jährlich wechselnde Nutzungsintensität fördert den Artenreichtum im Grünland. ANLiegen Natur 38(1): online, 10pp [download]
    • Klaus V (2012) Relationships between productivity, land-use intensity and plant species richness in agricultural grasslands. PhD Tesis, Institute of Landscape Ecology, University of Münster, Germany
    • Klaus V (2008) Vegetations- und Nährstoffgradienten in Auenwiesen am nördlichen Oberrhein. Diploma Thesis, Institute of Landscape Ecology, University of Münster, Germany [Abstract pdf 4,2 KB] [Poster (german) pdf 408 KB]