Dr. Lukas Lehnert
| Alumni |
Contact
Curriculum vitae
- Since 2015: Scientific assistant at Philipps-Universität Marburg, Germany
- 2011 - 2015: PhD student at Philipps-Universität Marburg, Germany
- 05-07/2010: Internship at Estacion Scientifica San Francisco, Ecuador (DFG-Forschergruppe 812)
- 08-10/2009: "Young Scientist Program – 2. Chinese-German Joint Excursion". Funded by DFG and DAAD. In collaboration with Kunming Institute of Botany and Institute of Ecology and Geobotany, Yunnan University, Kunming.
- 2007-2010: Studies of biology at Philipps-Universität Marburg Germany
- 2005-2011: Studies of geography, botany and landscape ecology at Philipps-Universität Marburg Germany
Scientific interest
- Remote sensing
- Hyperspectral remote sensing
- High mountain ecosystems
- Statistics
- Climate Change
- Vegetation Monitoring
- Plant Ecology
- R programming (R package "hsdar", https://cran.r-project.org/package=hsdar)
Publications
Articles
2023 - Pohl, M.; Lehnert, L.; Thies, B.; Seeger, K.; Berdugo Moreno, M.B.; Gradstein, S.R.; Bader, M. & Bendix, J. (2023): Valleys are a potential refuge for the Amazon lowland forest in the face of increased risk of drought. Communications Earth & Environment 4(1), -.
- Dashpurev, B.; Dorj, M.; Phan, T.N.; Bendix, J. & Lehnert, L. (2023): Estimating fractional vegetation cover and aboveground biomass for land degradation assessment in eastern Mongolia steppe: combining ground vegetation data and remote sensing. International Journal of Remote Sensing 44(2), 452--468.
2022 - Jung, P.; Lehnert, L.; Bendix, J.; Lentendu, G.; Grube, M.; Alfaro, F.D.; Rio, C.d.; Gutiérrez Alvarado, J.L.; van den Brink, L. & Lakatos, M. (2022): The grit crust: A poly-extremotolerant microbial community from the Atacama Desert as a model for astrobiology. Frontiers in Astronomy and Space Sciences 9, 1052278.
- Baumann, K.; Jung, P.; Lehnert, L.; Samolov, E.; Baum, C.; Bendix, J.; Karsten, U.; Büdel, B. & Leinweber, P. (2022): Die Grüne Wüste Südamerikas? Ökologische Nischen für Pioniere in der Atacama. Biologie in unserer Zeit 52(1), 58--65.
2021 - Dashpurev, B.; Wesche, K.; Jäschke, Y.; Oyundelger, K.; Phan, T.N.; Bendix, J. & Lehnert, L. (2021): A cost-effective method to monitor vegetation changes in steppes ecosystems: A case study on remote sensing of fire and infrastructure effects in eastern Mongolia. Ecological Indicators 132, 108331.
- Pohl, M.; Lehnert, L.; Bader, M.; Gradstein, S.R.; Viehweger, J. & Bendix, J. (2021): A new fog and low stratus retrieval for tropical South America reveals widespread fog in lowland forests. Remote Sensing of Environment 264, 112620.
2020 - Jung, P.; Baumann, K.; Lehnert, L.; Samolov, E.; Achilles, S.; Schermer, M.; Wraase, L.M.; Eckhardt, K.; Bader, M.; Leinweber, P.; Karsten, U.; Bendix, J. & Büdel, B. (2020): Desert breath—How fog promotes a novel type of soil biocenosis, forming the coastal Atacama Desert’s living skin. Geobiology n/a(n/a), 1-12.
- Lehnert, L.; Thies, B. & Bendix, J. (2020): A new high spatial resolution low stratus/fog retrieval for the Atacama Desert. Remote Sensing of Environment 236, 111445.
- Dashpurev, B.; Bendix, J. & Lehnert, L. (2020): Monitoring Oil Exploitation Infrastructure and Dirt Roads with Object-Based Image Analysis and Random Forest in the Eastern Mongolian Steppe. Remote Sensing 12(1), 1-21.
2019 - Kolbe, C.; Thies, B.; Egli, S.; Lehnert, L.; Schulz, M. & Bendix, J. (2019): Precipitation Retrieval over the Tibetan Plateau from the Geostationary Orbit — Part 1 : Precipitation Area Delineation with Elektro-L2 and Insat-3D. Remote Sensing 11(19), 2302.
- Jung, P.; Schermer, M.; Briegel-Williams, L.; Baumann, K.; Leinweber, P.; Karsten, U.; Lehnert, L.; Achilles, S.; Bendix, J. & Büdel, B. (2019): Water availability shapes edaphic and lithic cyanobacterial communities in the Atacama Desert1. Journal of Phycology 0(0), 1-22.
- Jung, P.; Emrích, D.; Briegel‐Williams, L.; Schermer, M.; Weber, L.; Baumann, K.; Colesie, C.; Clerc, P.; Lehnert, L.; Achilles, S.; Bendix, J. & Büdel, B. (2019): Ecophysiology and phylogeny of new terricolous and epiphytic chlorolichens in a fog oasis of the Atacama Desert. Microbiology Open 8, 1-21.
- Lehnert, L.; Meyer, H.; Obermeier, W.; Silva, B.; Regeling, B.; Thies, B. & Bendix, J. (2019): Hyperspectral Data Analysis in R: The hsdar Package. Journal of Statistical Software 89(12), 1-23.
- Miehe, G.; Schleuss, P.; Seeber, E.; Babel, W.; Biermann, T.; Braendle, M.; Fahu, C.; Coners, H.; Foken, T.; Gerken, T.; Graf, H.; Guggenberger, G.; Hafner, S.; Holzapfel, M.; Ingrisch, J.; Kuzyakov, Y.; Lai, Z.; Lehnert, L.; Leuschner, C.; Li, X.; Liu, J.; Liu, S.; Ma, Y.; Miehe, S.; Mosbrugger, V.; Noltie, H.J.; Schmidt, J.; Spielvogel, S.; Unteregelsbacher, S.; Wang, Y.; Willinghöfer, S.; Xu, X.; Yang, Y.; Zhang, S.; Opgenoorth, L. & Wesche, K. (2019): The Kobresia pygmaea ecosystem of the Tibetan highlands - Origin, functioning and degradation of the world's largest pastoral alpine ecosystem: Kobresia pastures of Tibet. Science of the Total Environment 648, 754-771.
2018 - Baumann, K.; Jung, P.; Samolov, E.; Lehnert, L.; Büdel, B.; Karsten, U.; Bendix, J.; Achilles, S.; Schermer, M.; Matus, F.; Oses, R.; Osses, P.; Morshedizad, M.; Oehlschläger, C.; Hu, Y.; Klysubun, W. & Leinweber, P. (2018): Biological soil crusts along a climatic gradient in Chile: Richness and imprints of phototrophic microorganisms in phosphorus biogeochemical cycling. Soil Biology and Biochemistry 127, 286-300.
- Wang, Y.; Lehnert, L.; Holzapfel, M.; Schultz, R.; Heberling, G.; Görzen, E.; Meyer, H.; Seeber, E.; Pinkert, S.; Ritz, M.; Fu, Y.; Ansorge, H.; Bendix, J.; Seifert, B.; Miehe, G.; Long, R.; Yang, Y. & Wesche, K. (2018): Multiple indicators yield diverging results on grazing degradation and climate controls across Tibetan pastures. Ecological Indicators 93, 1199-1208.
- Lehnert, L.; Jung, P.; Obermeier, W.; Büdel, B. & Bendix, J. (2018): Estimating Net Photosynthesis of Biological Soil Crusts in the Atacama Using Hyperspectral Remote Sensing. Remote Sensing 10(6), 891.
- Obermeier, W.; Lehnert, L.; Ivanov, M.; Luterbacher, J. & Bendix, J. (2018): Reduced summer aboveground productivity in temperate C3 grasslands under future climate regimes. Earth's Future 6(5), 716-729.
- Lehnert, L.; Thies, B.; Trachte, K.; Achilles, S.; Osses, P.; Baumann, K.; Schmidt, J.; Samolov, E.; Jung, P.; Leinweber, P.; Büdel, B. & Bendix, J. (2018): A Case Study on Fog/Low Stratus Occurrence at Las Lomitas, Atacama Desert (Chile) as a Water Source for Biological Soil Crusts. Aerosol and Air Quality Research 18(1), 254-269.
2017 - Meyer, H.; Lehnert, L.; Wang, Y.; Reudenbach, C.; Nauss, T. & Bendix, J. (2017): From local spectral measurements to maps of vegetation cover and biomass on the Qinghai-Tibet-Plateau: Do we need hyperspectral information?. International Journal of Applied Earth Observation and Geoinformation 55, 21-31.
- Obermeier, W.; Lehnert, L.; Kammann, C.; Müller, C.; Grünhage, L.; Luterbacher, J.; Erbs, M.; Moser, G.; Seibert, R.; Yuan, N. & Bendix, J. (2017): Reduced CO2 fertilization effect in temperate C3 grasslands under more extreme weather conditions. Nature Climate Change 7(2), 137-141.
2016 - Makowski Giannoni, S.; Trachte, K.; Rollenbeck, R.; Lehnert, L.; Fuchs, J. & Bendix, J. (2016): Atmospheric salt deposition in a tropical mountain rainforest at the eastern Andean slopes of south Ecuador – Pacific or Atlantic origin?. Atmospheric chemistry and physics 16, 10241-10261.
- Lehnert, L.; Wesche, K.; Trachte, K.; Reudenbach, C. & Bendix, J. (2016): Climate variability rather than overstocking causes recent large scale cover changes of Tibetan pastures. Scientific Reports 6, 24367.
2015 - Lehnert, L.; Meyer, H.; Wang, Y.; Miehe, G.; Thies, B.; Reudenbach, C. & Bendix, J. (2015): Retrieval of grassland plant coverage on the Tibetan Plateau based on a multi-scale, multi-sensor and multi-method approach. Remote Sensing of Environment 164, 197-207.
- Curatola Fernández, G.F.; Obermeier, W.; Gerique, A.; López Sandoval, M.F.; Lehnert, L.; Thies, B. & Bendix, J. (2015): Land Cover Change in the Andes of Southern Ecuador - Patterns and Drivers. Remote Sensing 7(3), 2509-2542.
2014 - Silva, B.; Lehnert, L.; Roos, K.; Fries, A.; Rollenbeck, R.; Beck, E. & Bendix, J. (2014): Mapping Two Competing Grassland Species from a Low-Altitude Helium Balloon. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 7(7), 3038 - 3049.
- Lehnert, L.; Meyer, H.; Meyer, N.; Reudenbach, C. & Bendix, J. (2014): A hyperspectral indicator system for rangeland degradation on the Tibetan Plateau: A case study towards spaceborne monitoring. Ecological Indicators 39, 54-64.
2013 - Lehnert, L.; Bässler, C.; Brandl, R.; Burton, P.J. & Müller, J. (2013): Conservation value of forests attacked by bark beetles: Highest number of indicator species is found in early successional stages. Journal for Nature Conservation 21, 97-104.
- Beck, E.; Bendix, J.; Silva, B.; Rollenbeck, R.; Lehnert, L.; Hamer, U.; Potthast, K.; Tischer, A. & Roos, K. (2013): Future Provisioning Services: Repasturisation of abandoned pastures, problems and pasture management. Ecological Studies 221, 355-372.
Other:
2017 - Obermeier, W.; Lehnert, L.; Ivanov, M.; Luterbacher, J. & Bendix, J. (2017-10-28). Verringerte Produktivität gemäßigter Grünländer im Sommer unter zukünftigen Klimaregimen. Presented at Annual Meeting of the working group "Climate" of the DGfG, Rauischholzhausen.
- Obermeier, W.; Lehnert, L.; Kammann, C.; Müller, C.; Grünhage, L.; Luterbacher, J.; Erbs, M.; Moser, G.; Seibert, R.; Yuan, N. & Bendix, J. (2017-10-10). Extremere Wetterbedingungen reduzieren den CO 2 -Düngungseffekt in Grünländern der gemäßigten Breiten. Presented at FACE2FACE closing event, Geisenheim.
- Obermeier, W.; Lehnert, L.; Silva, B.; Otte, A.; Luterbacher, J.; Grünhage, L. & Bendix, J. (2017-10-10). Hyperspektrale Fernerkundung zur nicht-invasiven Erfassung von Pflanzeneigenschaften. Presented at FACE2FACE closing event, Geisenheim.
2016 - Obermeier, W.; Lehnert, L.; Kammann, C.; Müller, C.; Grünhage, L.; Luterbacher, J.; Erbs, M.; Moser, G.; Seibert, R.; Yuan, N. & Bendix, J. (2016-09-26). Extreme weather conditions reduce the CO2 fertilization in temperate C3 grasslands. Presented at FACEing the future, Giessen.
- Lehnert, L.; Achilles, S.; Schmidt, J.; Büdel, B.; Osses, P.; Thies, B. & Bendix, J., Fog research in the southern Atacama: Measurement setup and first results of the new EarthShape project(2016).
- Obermeier, W.; Lehnert, L.; Kammann, C.; Müller, C.; Grünhage, L.; Luterbacher, J.; Erbs, M.; Yuan, N. & Bendix, J. (2016-04-18). Extreme weather conditions reduce the CO2 fertilization effect in temperate C3 grasslands. Presented at EGU, Vienna.
2015 - Lehnert, L.; Meyer, H. & Bendix, J. (2015-07-01). Hyperspectral Data Analysis in R - The new hsdar package. Presented at useR! Conference, Aalborg, Denmark.
2013 - Meyer, H.; Lehnert, L.; Wang, Y.; Reudenbach, C. & Bendix, J., Measuring pasture degradation on the Qinghai-Tibet Plateau using hyperspectral dissimilarities and indices(Proc. SPIE, 2013).
- Lehnert, L.; Meyer, H.; Meyer, N.; Reudenbach, C. & Bendix, J., Assessing pasture quality and degradation status using hyperspectral imaging: a case study from western Tibet(Proc. SPIE, 2013).
