T
Tim Appelhans
Researcher at University of Marburg
Publications - 37
Citations - 1540
Tim Appelhans is an academic researcher from University of Marburg. The author has contributed to research in topics: Precipitation & Air quality index. The author has an hindex of 19, co-authored 36 publications receiving 1117 citations. Previous affiliations of Tim Appelhans include GfK & University of Canterbury.
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Journal ArticleDOI
Climate–land-use interactions shape tropical mountain biodiversity and ecosystem functions
Marcell K. Peters,Andreas Hemp,Tim Appelhans,Joscha N. Becker,Christina Behler,Alice Classen,Florian Detsch,Andreas Ensslin,Stefan W. Ferger,Sara B. Frederiksen,Sara B. Frederiksen,Friederike Gebert,Friederike Gerschlauer,Adrian Gütlein,Maria Helbig-Bonitz,Claudia Hemp,William J. Kindeketa,William J. Kindeketa,Anna Kühnel,Anna Kühnel,Antonia V. Mayr,Ephraim Mwangomo,Christine Ngereza,Henry K. Njovu,Henry K. Njovu,Insa Otte,Holger Pabst,Marion Renner,Juliane Röder,Gemma Rutten,David Schellenberger Costa,David Schellenberger Costa,Natalia Sierra-Cornejo,Maximilian G. R. Vollstädt,Hamadi I. Dulle,Connal Eardley,Kim M. Howell,Anita Keller,Ralph S. Peters,Axel Ssymank,Victor Kakengi,Jie Zhang,Christina Bogner,Katrin Böhning-Gaese,Roland Brandl,Dietrich Hertel,Bernd Huwe,Ralf Kiese,Michael Kleyer,Yakov Kuzyakov,Yakov Kuzyakov,Thomas Nauss,Matthias Schleuning,Marco Tschapka,Marco Tschapka,Markus Fischer,Ingolf Steffan-Dewenter +56 more
TL;DR: The study reveals that climate can modulate the effects of land use on biodiversity and ecosystem functioning, and points to a lowered resistance of ecosystems in climatically challenging environments to ongoing land-use changes in tropical mountainous regions.
Journal ArticleDOI
Predictors of elevational biodiversity gradients change from single taxa to the multi-taxa community level
Marcell K. Peters,Andreas Hemp,Tim Appelhans,Christina Behler,Alice Classen,Florian Detsch,Andreas Ensslin,Stefan W. Ferger,Sara B. Frederiksen,Sara B. Frederiksen,Friederike Gebert,Michael Haas,Maria Helbig-Bonitz,Claudia Hemp,William J. Kindeketa,William J. Kindeketa,Ephraim Mwangomo,Christine Ngereza,Insa Otte,Juliane Röder,Gemma Rutten,David Schellenberger Costa,Joseph Tardanico,Giulia Zancolli,Giulia Zancolli,Jürgen Deckert,Connal Eardley,Ralph S. Peters,Mark-Oliver Rödel,Matthias Schleuning,Axel Ssymank,Victor Kakengi,Jie Zhang,Katrin Böhning-Gaese,Roland Brandl,Elisabeth K. V. Kalko,Elisabeth K. V. Kalko,Michael Kleyer,Thomas Nauss,Marco Tschapka,Marco Tschapka,Markus Fischer,Ingolf Steffan-Dewenter +42 more
TL;DR: This work quantifies cross-taxon consensus in diversity gradients and evaluates predictors of diversity from single taxa to a multi-taxa community level and points to the importance of temperature for diversification and species coexistence in plant and animal communities.
Journal ArticleDOI
Improving the accuracy of rainfall rates from optical satellite sensors with machine learning — A random forests-based approach applied to MSG SEVIRI
TL;DR: In this article, the authors investigated the potential of the random forests ensemble classification and regression technique to improve rainfall rate assignment during day, night and twilight (resulting in 24-hour precipitation estimates) based on cloud physical properties retrieved from Meteosat Second Generation (MSG) Spinning Enhanced Visible and InfraRed Imager (SEVIRI) data.
Journal ArticleDOI
Evaluating machine learning approaches for the interpolation of monthly air temperature at Mt. Kilimanjaro, Tanzania
TL;DR: A combined Cubist and residual kriging approach can be considered the best solution for predicting spatial temperature patterns based on a network of temperature observation plots across the southern slopes of Mt. Kilimanjaro.
Journal ArticleDOI
Mapping Daily Air Temperature for Antarctica Based on MODIS LST
Hanna Meyer,Marwan Katurji,Tim Appelhans,Markus U. Müller,Thomas Nauss,Pierre Roudier,Peyman Zawar-Reza +6 more
TL;DR: The performance of a simple linear regression model to predict T a i r from LST was compared to the performance of three machine learning algorithms: Random Forest, generalized boosted regression models (GBM) and Cubist and auxiliary predictor variables were tested in these models.