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PD Dr. Niels Blaum

 

Campus Golm
University of Potsdam
Plant Ecology and Nature Conservation
Am Mühlenberg 3, building 60, room 3.17
14476 Potsdam

Education

  •  2012     Habilitation and Venia legend in Biodiversity research and Animal Ecology, University of Potsdam 
    •  Habilitation thesis: Dynamics of biodiversity in savannas – from genes to communities
  • 2004      PhD in Ecology, University of Frankfurt/ Main
  • 1999      Diploma Degree in Biology, University of Frankfurt/ Main
  • 1995      Licence in Biology, Université Sophia Antipolis Nice, France

Research interests

  • Impacts of land use on biodiversity
  • Effects of structural diversity of the vegetation on abundance and diversity patterns of animals
  • Gene flow in fragmented landscapes under climate change
  • Spatio-temporal dynamics of animal movements/ movement ecology

Links

Publications

Books, book chapters and other publications (selection)

  •  Geissler K, Heblack J, Uugulu S, Wanke H & Blaum N (accepted). Partitioning of water between differently sized shrubs and potential groundwater recharge in a semiarid savanna in Namibia. Frontiers in Plant Science. doi: 10.3389/fpls.2019.01411
  • Scherer C, Radchuk V Staubach C, Mueller S, Blaum N, Thulke HH & Kramer-Schadt S (in press). Seasonal host life-history processes fuel disease dynamics at different spatial scales. Journal of Animal Ecology: doi.org/10.1111/1365-2656.13070.

2019

  • Mayer M, Ullmann W, Fischer C & Blaum N & Sunde P (2019). Seasonal effects of habitat structure and weather on the habitat selection and home range size of a mammal in agricultural landscapes. Landscape Ecology 34: 2279-2294.
  • Marquart A, Eldridge DJ, Travers SK, Val J & Blaum N (2019). Large shrubs partly compensate negative effects of grazing on hydrological function in a semi-arid savanna. Basic and Applied Ecology 38: 58-68.
  • Geissler K, Hahn C, Joubert D & Blaum N (2019). Functional responses of the herbaceous plant community explain ecohydrological impacts of savanna shrub encroachment. Perspectives in Plant Ecology, Evolution and Systematics 39: 10.1016/j.ppees.2019.125458.
  • Noonan MJ, Tucker MA, Fleming CH, Akre T, Alberts SC, Ali AH, Altmann J, Antunes PC, Belant JL, Berens D, Beyer D, Blaum N, Böhning-Gaese K, Cullen Jr L, de Paula CH, Dekker J, Drescher-Lehman J, Farwig N, Fichtel C, Fischer C, Ford A, Goheen JR, Janssen R, Jeltsch F, Kauman M, Kappeler P, Koch F, LaPoint S, Markham AC, Medici EP, Morato RG, Nathan R, Gustavo L Oliveira-Santos R, Olson KR, Patterson BD, Paviolo A, Ramalho EE, Roesner S, Selva N, Sergiel A, Silva MC, Spiegel O, Thompson P, Ullmann W, Zieba F, Zwijacz-Kozica T, Fagan WF, Mueller T, Calabrese JM (2019). A comprehensive analysis of autocorrelation and bias in home range estimation. Ecological Monographs 89: e01344.
  • Hering R, Hauptfleisch M, Geißler K, Marquart A, Schoenen M & Blaum N (2019). Shrub encroachment is not always land degradation: Insights from ground dwelling beetle species niches along a shrub cover gradient in a semi-arid Namibian savanna. Land Degradation and Development 30: 14-27.
  • Reinhard J, Geissler K & Blaum N (2019). Short-term responses of darkling beetles (Coleoptera: Tenebrionidae) to the effects of fire and grazing in savannah rangeland. Insect Conservation and Diversity 12: 39-48.

2018

  • Mayer M, Ullmann W, Sunde P, Fischer C. & Blaum N (2018). Habitat selection by the European hare in arable landscapes: The importance of small-scale habitat structure for conservation. Ecology and Evolution 23:11619-11633.
  • Ullmann W, Fischer C, Pirhofer-Walzl K, Kramer-Schadt S & Blaum N (2018). Spatiotemporal variability in resources affects herbivore home range formation in structurally contrasting and unpredictable agricultural landscapes. Landscape Ecology 33: 1505-1517.
  • Stanton R Jr, Boone WW IV, Soto-Shoender J, Fletcher RJ Jr, Blaum N & McCleery RM (2018). Shrub encroachment and vertebrate diversity: a global meta-analysis. Global Ecology and Biogeography 27: 368-379.
  • Synodinos AD, Eldridge D, Geißler K, Jeltsch F, Lohmann D, Midgley G & Blaum N (2018). Remotely sensed canopy height reveals three pantropical ecosystem states: comment. Ecology 99: 231-234.
  • Tabares X, Mapani B, Blaum N & Herzschuh U (2018). Composition and diversity of vegetation and pollen spectra along gradients of grazing intensity and precipitation in southern Africa. Review of Palaeobotany and Palynology 253: 88-100.
  • Tucker M, et al., Blaum N, et al. & Mueller T (2018). Moving in the Anthropocene: Global reductions in terrestrial mammalian movements. Science 359: 466-469.

2017

  • Hauptfleisch ML, Vinte MP & Blaum N (2017). A comparison of the community dynamics of bioturbating small mammals between livestock and wildlife farming areas in the Kalahari, Namibia. Namibian Journal of Environment 1: 34-39.
  • Shikangalah RN, Mueller EN, Jeltsch F & Blaum N (2017). Quantification of areal extent of soil erosion in dryland urban areas: an example from Windhoek, Namibia. Cities and the Environment (CATE) 10: Article 8.

2016

  • Shikangalah RN, Jeltsch F, Blaum N & Mueller EN (2016). A review on urban soil water erosion. Journal for studies in humanities and social sciences 5: 163-178.
  • Scherer C, Jeltsch F, Grimm V & Blaum N (2016). Merging trait-based and individual-based modelling: an animal functional type approach to explore the responses of birds to climatic and land use changes in semi-arid African savannas. Ecological Modelling 326: 75-89.
  • Luft L, Neumann C, Itzerott S, Lausch A, Doktor D, Freude M, Blaum N & Jeltsch F. (2016). Digital and real-habitat modeling of Hipparchia statilinus based on hyper spectral remote sensing data. Interna­tional Journal of Environmental Science and Technology 13: 187-200.

2014

  • Luft L, Naumann C, Freude M, Blaum N & Jeltsch F (2014). Hyperspectral modeling of ecological indica­tors. A new approach for monitoring former military training areas. Ecological Indicators 46: 264-285.
  • Lohmann D, Tietjen B, Blaum N, Joubert DF & Jeltsch F (2014). Prescribed fire as a tool for managing shrub encroachment in semi-arid savanna rangelands. Journal of Arid Environments 107: 49-56.
  • Lohmann D, Falk, T, Geissler K, Blaum N & Jeltsch F. Determinants of semi-arid rangeland management in a land reform setting in Namibia (2014). Journal of Arid Environments 100: 23-30.

2013

  • Jeltsch F, Bonte D, Pe'er G, Reineking B, Leimgruber P, Balkenhohl N, Schröder B, Buchmann CM, Mueller T, Blaum N, Zurell D, Böhning-Gaese K, Wiegand T, Eccard J, Hofer H, Reeg J, Eggers U & Bauer S (2013). Integrating movement ecology with biodiversity research - exploring new avenues to address spatiotemporal biodiversity dynamics. Movement Ecology 1:6.
  • Jeltsch F, Blaum N, Brose U, Chipperfield JD, Clough Y, Farwig N, Geissler K, Graham CH, Grimm V, Hickler T, Huth A, May F, Meyer KM, Pagel J, Reineking B, Rillig MC, Shea K, Schurr FM, Schröder B, Tielbörger K, Weiss L, Wiegand K, Wiegand T, Wirth C, Zurell D (2013). How can we bring together empiricists and modellers in functional biodiversity research? Basic and Applied Ecology 14: 93-101.

2012

  • Lohmann D, Tietjen B, Blaum N, Joubert DF & Jeltsch F (2012) Shifting thresholds and changing degradation patterns: climate change effects on the simulated long-term response of a semi-arid savanna to grazing. Journal of Applied Ecology 49: 814-823.
  • Blaum N, Schwager M, Wichmann MC & Rossmanith E (2012). Climate induced changes in matrix suitability explain gene flow in a fragmented landscape – the effect of interannual rainfall variability. Ecography 35: 650-660.
  • Blumröder J, Eccard J & Blaum N (2012). Behavioural flexibility in foraging mode of the spotted sand lizard (Pedioplanis l. lineoocellata) seems to buffer negative impacts of savanna degradation Journal of Arid Environments 77: 149-152.

2011

  • Jeltsch F, Moloney KA, Schwager M, Körner K & Blaum N (2011). Consequences of correlations between climatic and landscape changes for regional species survival. Agriculture, Ecosystems and Environment 145: 49-58.
  • Blaum N, Mosner E, Schwager M & Jeltsch F (2011). How functional is functional – ecological groupings in terrestrial animal ecology: towards an animal functional type approach. Biodiversity and Conservation 20: 2333-2345.
  • Wasiolka B & Blaum N (2011). Comparing biodiversity between protected savanna and adjacent non-protected farmland in the southern Kalahari.  Journal of Arid Environments 75: 836-841.
  • Kuechly H, Mueller JS, Reinfelder VL, Wiedemann S & Blaum N (2011). Rodent mediated dispersal of Acacia seeds in Kalahari savannah rangelands – implications for bush encroachment. African Journal of Ecology 49: 119-121

2010

  • Wasiolka B, Jeltsch F, Henschel J & Blaum N (2010). Space use of the Spotted Sand Lizard (Pedioplanis l. lineoocellata) under different degradation states. African Journal of Ecology 48: 96-104.

2009

  • Popp A, Vogel M, Blaum N & Jeltsch F (2009). Scaling up ecohydrological processes - the role of source-sink systems in water limited landscapes. Journal of Geophysical Research - Biogeosciences 114: 1-10.
  • Meyer J, Kohnen A, Durka W, Wöstemeyer J, Blaum N, Rossmanith E & Brandl R (2009). Genetic structure in the hairy-footed gerbil Gerbillurus paeba: sex specific dispersal? Mammalian Biology 74: 478-487.
  • Popp A, Blaum N & Jeltsch F (2009). Ecohydrological feedback mechanisms in arid rangelands: Simulating the impacts of topography and land use. Basic & Applied Ecology 10: 319-329.
  • Blaum N, Seymour C, Rossmanith E, Schwager M & Jeltsch F (2009). Changes in arthropod diversity along a land use driven gradient of shrub cover in the southern Kalahari: Identification of suitable indicators. Biodiversity & Conservation 18:1187-1199.
  • Wasiolka B, Blaum N, Jeltsch F & Henschel J (2009). Behavioral responses of the lizard Pedioplanis l. lineoocellata to overgrazing. Acta Oecologica 35: 157-162.
  • Blaum N, Tietjen B & Rossmanith, E (2009). The impact of livestock husbandry on small and medium sized carnivores in Kalahari savannah rangelands. Journal of Wildlife Management 73: 60-67.
  • Popp A, Domptail S, Blaum N & Jeltsch F (2009). Landuse experience does qualify for adaptation to climate change. Ecological Modelling 220: 694-702.
  • Rossmanith E, Blaum N, Höntsch K, and Jeltsch F (2009). Sex-related parental care strategies in the Lesser Spotted Woodpecker (Picoides minor): of flexible mothers and dependable fathers. Journal of Avian Biology 40: 28-33.

2008

  • Blaum N (2008). Seasonal differences in spatial distribution of small carnivores in fragmented savannah landscapes. African Journal of Ecology 46: 702-705.
  • Schwager M, Covas R, Blaum N & Jeltsch F (2008). Predicting climate change effects across scales - comparing a 'population model' and a 'space for time' approach. Oikos 117: 1417-1427.
  • Blaum N, Engeman RM, Wasiolka B & Rossmanith E (2008). Indexing small mammalian carnivores in the southern Kalahari, South Africa. Wildlife Research 35: 72-79.
  • Thiele T, Jeltsch F & Blaum N (2008). Importance of woody vegetation for foraging site selection in the Southern Pied Babbler (Turdoides bicolor) under two different land use regimes. Journal of Arid Environments 72: 471-482.

2007

  • Blaum N & Wichmann M (2007). Short term transformation of matrix into hospitable habitat facilitates gene flow and mitigates fragmentation. Journal of Animal Ecology 76: 1116-1127.
  • Popp A, Schwager M, Blaum N & Jeltsch F (2007). Structural diversity predicts the occurrence of the yellow mongoose under shrub encroachment in a semi-arid savanna. Ecological Modelling 209: 136-148.
  • Blaum N, Rossmanith E, Schwager M & Jeltsch F (2007). Responses of mammalian carnivores to land use in arid Kalahari rangelands. Basic & Applied Ecology 8: 552-564.
  • Rossmanith E, Höntsch K, Blaum N & Jeltsch F (2007). Reproductive success and nestling diet in the Lesser Spotted Woodpecker. Journal of Ornithology 148: 323-332.
  • Blaum N, Rossmanith E & Jeltsch F (2007). Land use affects rodent communities in Kalahari savannah rangelands. African Journal of Ecology 45: 189-195.
  • Rossmanith E, Blaum N, Grimm V & Jeltsch F (2007). Pattern-oriented modelling for estimating unknown pre-breeding survival rates: the case of the Lesser Spotted Woodpecker (Picoides minor). Biological Conservation 135: 571-580.
  • Blaum N, Rossmanith E, Fleissner G & Jeltsch F (2007). The conflicting importance of shrubby landscape structures for the reproductive success of the yellow mongoose (Cynictis penicillata). Journal of Mammalogy 88: 194-200.
  • Blaum N, Rossmanith E, Popp A & Jeltsch F (2007). Shrub encroachment affects mammalian carnivore abundance in arid rangelands. Acta Oecologica 31: 86-92.

2006 and before

  • Rossmanith E, Grimm V, Blaum N & Jeltsch F (2006). Behavioural flexibility in the mating system buffers population extinction: lessons from the Lesser Spotted Woodpecker (Picoides minor). Journal of Animal Ecology 75: 540-548.
  • Tews J, Blaum N & Jeltsch F (2004). Structural and animal species diversity in arid and semi-arid savannas of the southern Kalahari. Annals of Arid Zone 42: 1-13.2016

 

 

 

 

 

 

Books, book chapters and other publications (selection)

  • Dreber, N & Blaum, N (2016): Verbuschung afrikanischer Savannen: Eine Gefährdung für die Artenvielfalt? In: Lozán, J.L., Breckle, S.-W., Müller, R., Rachor, E. (Eds.): Warnsignal Klima: Die Biodiversität: pp. 210-215. Wissenschaftliche Auswertungen, Hamburg. doi: 10.2312/warnsignal.klima.die-Biodiversität.34.
  • Blaum N & Rossmanith E (2010). Shrub pattern affects reproductive success in the Yellow Mongoose (Cynictis penicillata). – In: Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale: pp. 184–187, Klaus Hess Publishers, Göttingen & Windhoek.
  • Jeltsch F & Blaum N (2010). The role of models in biodiversity observation schemes. – In: Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale: pp. 272–273, Klaus Hess Publishers, Göttingen & Windhoek.
  • Blaum N, Rossmanith E, Popp A, Schwager M, Steinhäuser J, Wichmann M & Jeltsch F (2010): Modelling animal responses to changes in climate and landuse. – In: Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale: pp. 283–288, Klaus Hess Publishers, Göttingen & Windhoek.
  • Blaum N, Lohmann D, Rossmanith E, Schütze S, Schwager M, Steinhäuser J, Tews J, Wichmann M & Jeltsch F (2010). Model-based simulation tools. – In: Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale: pp. 302–306, Klaus Hess Publishers, Göttingen & Windhoek.
  • Jeltsch F, Blaum N, Classen N, Eschenbach A, Grohmann C, Gröngröft A, Joubert DF, Horn A, Lohmann D, Linsenmair KE, Lück-Vogel M, Medinski TV, Meyfarth S, Mills A, Petersen A, Popp A, Poschlod P, Reisch C, Rossmanith E, Rubilar H, Schütze S, Seymour C, Simmons R, Smit GN, Strohbach M, Tews J, Tietjen B, Wesuls D, Wichmann M, Wieczorek M, & Zimmermann I (2010). Impacts of landuse and climate change on the dynamics and biodiversity in the Thornbush Savanna Biome. – In: Hoffman, M. T., Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 3: Implications for landuse and management: pp. 33–74, Klaus Hess Publishers, Göttingen & Windhoek.
  • Wasiolka B & Blaum N (2010). Impact of shrub encroachment on Animal diversity (Bird, Reptiles, Mammals) in Namibian savanna rangelands. Spotlight on Agriculture 114, Ministry of Agriculture, Water and Tourism, Directorate of Agricultural Research and Training, Namibia.
  • Jeltsch F, Blaum N, Tietjen B & Rossmanith E (2010, invited). Population and ecosystem modeling of land use and climate change impacts on savanna dynamics. In: Ecosystem Function in Global Savannas: Measurement and Modeling at Landscape to Global Scales. Eds.: Hill MJ & Hanan NP.
  • Blaum N, Wasiolka B, Rossmanith E & Jeltsch F. (2008). The effects of grazing-induced shrub encroachment on animal diversity in southern Kalahari rangelands. Spotlight on Agriculture 112, Ministry of Agriculture, Water and Tourism, Directorate of Agricultural Research and Training, Namibia.
  • Blaum N (2008) Computer Simulations of the Kalahari. In: Millions of Ways of Life, Research for Biological Diversity (COP 9). Federal Ministry of Education and Research, Department Global Change, Berlin, Bonn.