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Alexander Keller

ludwig-maximilians-universität münchen

53H-index
466Paper Count
1.4WCitation Count
Published Papers 83
Publication Date
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Bee pathogen sharing and prevalence are linked with flower sharing and taxonomic distance within the bee community
errCommunications Biology
IF5.1
err2026-08-08
err0
errOAAI
errLouella Buydens; Alexander Keller; Maria Alejandra Parreño; Susanne Werle; Michał Filipiak; Clémentine Leroy; Fabrice Requier; Sara Diana Leonhardt; Niels Piot; Ivan Meeus
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errSave
Sexual dimorphism in pollen foraging and sensory traits in Heliconius butterflies
errBehavioral Ecology
IF2.2
err2026-05-01
err0
PREAI
errBorrero, Jose; Rivas-Sanchez, David F.; Wright, Daniel Shane; Bacquet, Caroline Nicole; Montgomery, Stephen H.; Keller, Alexander; Merrill, Richard M.
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errSave
Method comparison of microscopy, metabarcoding, and multispectral imaging flow cytometry for identification and relative abundance analysis of insect-dispersed pollen
errScientific Reports
IF3.9
err2026-04-16
err0
errOAAI
errElena Motivans Švara; Demetra Rakosy; Tiffany M. Knight; Alexander Keller; Thomas Hornick; Franziska Walther; Susanne Dunker
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errSave
Biodiversity resilience in a tropical rainforest
errNature
IF48.5
err2026-04-08
err0
errOAAI
errTimo Metz; Nina Farwig; Carsten F. Dormann; H. Martin Schaefer; Juan E. Guevara Andino; Gunnar Brehm; Santiago Burneo; Anne Chao; Robin L. Chazdon; Robert K. Colwell; Ugo M. Diniz; David A. Donoso; María-José Endara; Santiago Erazo; Sebastián Escobar; Ana Falconí-López; Heike Feldhaar; Mishell Garcia Villamarin; Nina Grella; Katrin Heer; Michael Heethoff; Alexander Keller; Anna R. Landim; Sara D. Leonhardt; Eva Tamargo Lopez; Diego Marín-Armijos; Jörg Müller; Karla Neira-Salamea; Eike Lena Neuschulz; Karen M. Pedersen; Mark-Oliver Rödel; Matthias Schleuning; Thomas Schmitt; Michael Staab; Arianna Tartara; Boris A. Tinoco; Constance J. Tremlett; Marco Tschapka; Sybille Unsicker; Edith Villa-Galaviz; Nico Blüthgen
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errSave
From fresh to dry: Moth body weight changes through preservation
errNota Lepidopterologica
IF0.7
err2026-04-01
err0
PREAI
errCorrea-Carmona, Yenny; Bottger, Dennis; Holzmann, Kim L.; Alonso-Alonso, Pedro; Pinos, Andrea; Yon, Felipe; Steffan-Dewenter, Ingolf; Keller, Alexander; Peters, Marcell K.; Brehm, Gunnar
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errSave
Moth Communities Are More Diverse in the Understory Than in the Canopy of a Tropical Lowland Rainforest in NW Ecuador
errEcology and Evolution
IF2.3
err2026-03-30
err0
PREAI
errBottger, Dennis; Diniz, Ugo Mendez; Keller, Alexander; Leonhardt, Sara Diana; Brehm, Gunnar
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errSave
Limited thermal tolerance in tropical insects and its genomic signature
errNature
IF48.5
err2026-03-04
err0
errOAAI
errKim L. Holzmann; Thomas Schmitzer; Antonia Abels; Marko Čorkalo; Oliver Mitesser; Mareike Kortmann; Pedro Alonso-Alonso; Yenny Correa-Carmona; Andrea Pinos; Felipe Yon; Mabel Alvarado; Adrian Forsyth; Alejandro Lopera-Toro; Gunnar Brehm; Alexander Keller; Mark Otieno; Ingolf Steffan-Dewenter; Marcell K. Peters
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errSave
Forest structure and connectivity drive the functional recovery of seed rain
errJournal of Ecology
IF5.6
err2026-02-02
err0
errOAAI
errAnna R. Landim; Santiago Erazo; Juan E. Guevara-Andino; Santiago F. Burneo; María-José Endara; Sebastian Escobar; Alexander Keller; Felicity L. Newell; Boris Tinoco; Marco Tschapka; Matthias Schleuning; Eike Lena Neuschulz
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errSave
Honey bee food resources under threat from climate change
errNature Communications
IF15.7
err2025-12-30
err0
errOAAI
errAndreia Quaresma; Johannes M. Baveco; Robert Brodschneider; Willem Bastiaan Buddendorf; Norman L. Carreck; Kristina Gratzer; Fani Hatjina; Ole Kilpinen; Ivo Roessink; Flemming Vejsnaes; Jozef van der Steen; M. Alice Pinto; Alexander Keller
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errSave
Cichorioideae abundance and local land use drive Osmia leaiana pollen use in semi-natural grasslands
errBasic and Applied Ecology
IF3.5
err2025-12-24
err0
errOAAI
errEvan Taylor Sloan; Jelle Devalez; Alexander Keller; Elisabeth Prangel; Aveliina Helm; Annika L. Hass; Catrin Westphal; Triin Reitalu; Hans Jacquemyn
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errSave
Integrating natural language processing and genome analysis enables accurate bacterial phenotype prediction
errNAR GENOMICS AND BIOINFORMATICS
IF2.8
err2025-12-01
err0
PREAI
errGomez-Perez, Daniel; Keller, Alexander
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errSave
The neonicotinoid Acetamiprid alters the chemical profile of the primitive eusocial bee Lasioglossum malachurum
errEcotoxicology and Environmental Safety
IF6.1
err2025-11-07
err0
errOAAI
errAntonia Veronika Mayr; Arne Weinhold; Amelie Nolzen; Alexander Keller; Manfred Ayasse
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errSave
Landscape context modulates the effect of local canopy cover on forest multidiversity across elevations
errJournal of Applied Ecology
IF4.8
err2025-10-29
err0
errOAAI
errTobias Richter; Rupert Seidl; Lisa Samira Geres; Sebastian König; Lisa Mandl; Cornelius Senf; Alexander Keller; Sebastian Seibold
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errSave
Floral scent chemodiversity is associated with high floral visitor but low bacterial richness on flowers
errNew Phytologist
IF8.1
err2025-10-22
err0
errOAAI
errMaximilian Hanusch; Stefan Dötterl; Anne-Amélie C. Larue-Kontić; Alexander Keller; Robert R. Junker
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errSave
Improving allometric models to estimate the proboscis length of tropical bees
errBIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
IF1.5
err2025-10-01
err0
errOAAI
errFruhholz, Kilian; Kuba, Kenneth; Pitz, Maximilian; Windl, Julia; Keller, Alexander; Brehm, Gunnar; Rasmussen, Claus; Leonhardt, Sara Diana; Diniz, Ugo Mendes
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errSave
Effects of annual cropland and season on pollen diversity and pesticide exposure in honey bee colonies
errAgriculture, Ecosystems & Environment
IF0
err2025-09-23
err0
errOAAI
errSarah Manzer; Douglas Sponsler; Alexander Keller; Carolina Honert; Carsten A. Brühl; Giulia Mainardi; Ricarda Scheiner; Ingolf Steffan-Dewenter
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errSave
Host identity; more than elevation; shapes bee microbiomes along a tropical elevation gradient
errFrontiers in Microbiology
IF4.5
err2025-09-22
err0
errOAAI
errAndrea Pinos; Pedro Alonso-Alonso; Yenny Correa-Carmona; Kim L. Holzmann; Felipe Yon; Gunnar Brehm; Ingolf Steffan-Dewenter; Marcell K. Peters; Arne Weinhold; Alexander Keller
errShare
errSave
Experimental reduction of land use increases invertebrate abundance in grasslands
errBasic and Applied Ecology
IF3.5
err2025-08-23
err0
errOAAI
errMichael Staab; Alexander Keller; Rafael Achury; Andrea Hilpert; Norbert Hölzel; Daniel Prati; Wolfgang W. Weisser; Nico Blüthgen
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errSave
Floral resources in the surrounding landscape matrix augment plant species richness of bumblebee pollen loads in small, fragmented calcareous grasslands
errBiological Conservation
IF4.4
err2025-07-31
err0
errOAAI
errEvan Taylor Sloan; Ira Hannappel; Annika L. Hass; Alexander Keller; Felipe Librán-Embid; Jelle Devalez; Elena Velado-Alonso; Triin Reitalu; Catrin Westphal; Hans Jacquemyn
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errSave
Urban bumblebees diversify their foraging strategy to maintain nutrient intake
errPROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
IF3.5
err2025-05-21
err0
errOAAI
errSelva, Simonetta; Moretti, Marco; Ruedenauer, Fabian A.; Keller, Alexander; Fournier, Bertrand; Leonhardt, Sara Diana; Eggenberger, Helen; Abella, Joan Casanelles
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Research Directions

No research directions
Co-authors
Cooperation Journals
T
Teja Tscharntke
H-index: 152 · Papers: 771
Y
Yakov Kuzyakov
H-index: 143 · Papers: 1.5K
M
Mark Westoby
H-index: 118 · Papers: 398
I
Ingolf Steffan‐Dewenter
H-index: 115 · Papers: 491
B
Brian J. Enquist
H-index: 107 · Papers: 538
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