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Barbara Helm

Phenology, seasonal timing and circannual rhythms: towards a unified framework
2010 · Marcel E. Visser, Samuel P. Caro, et al. · Philosophical Transactions of the Royal Society B Biological Sciences · 371
Annual rhythms that underlie phenology: biological time-keeping meets environmental change
2013 · Barbara Helm, Rachel Ben-Shlomo, et al. · Proceedings of the Royal Society B Biological Sciences · 321
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Two sides of a coin: ecological and chronobiological perspectives of timing in the wild
2017 · Barbara Helm, Marcel E. Visser, et al. · Philosophical Transactions of the Royal Society B Biological Sciences · 218
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Urban-like night illumination reduces melatonin release in European blackbirds (Turdus merula): implications of city life for biological time-keeping of songbirds
2013 · Davide M Dominoni, Wolfgang Goymann, et al. · Frontiers in Zoology · 184
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Disrupted seasonal biology impacts health, food security and ecosystems
2015 · T. J. Stevenson, M. E. Visser, et al. · Proceedings of the Royal Society B Biological Sciences · 173
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Clocks for the city: circadian differences between forest and city songbirds
2013 · D. M. Dominoni, B. Helm, et al. · Proceedings of the Royal Society B Biological Sciences · 164
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Endogenous Programs and Flexibility in Bird Migration
2020 · Susanne Åkesson, Barbara Helm · Frontiers in Ecology and Evolution · 142
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Animal activity around the clock with no overt circadian rhythms: patterns, mechanisms and adaptive value
2013 · Guy Bloch, Brian M. Barnes, et al. · Proceedings of the Royal Society B Biological Sciences · 141
The influence of biological rhythms on host–parasite interactions
2015 · Micaela Martinez-Bakker, Barbara Helm · Trends in Ecology & Evolution · 138
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Timing avian long-distance migration: from internal clock mechanisms to global flights
2017 · Susanne Åkesson, Mihaela Ilieva, et al. · Philosophical Transactions of the Royal Society B Biological Sciences · 133
Unexpected diversity in socially synchronized rhythms of shorebirds
2016 · Martin Bulla, Mihai Valcu, et al. · Nature · 132
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Circannual and Circadian Contributions to the Timing of Avian Migration
2003 · Eberhard Gwinner, Barbara Helm · Springer eBooks · 131
Sociable schedules: interplay between avian seasonal and social behaviour
2006 · Barbara Helm, Theunis Piersma, et al. · Animal Behaviour · 127
Evolutionary Response to Climate Change in Migratory Pied Flycatchers
2019 · Barbara Helm, Benjamin M. Van Doren, et al. · Current Biology · 120
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Digital epidemiology reveals global childhood disease seasonality and the effects of immunization
2016 · Kevin M. Bakker, Micaela Elvira Martinez-Bakker, et al. · Proceedings of the National Academy of Sciences · 119
Heritable circadian period length in a wild bird population
2010 · Barbara Helm, Marcel E. Visser · Proceedings of the Royal Society B Biological Sciences · 118
Circannual basis of geographically distinct bird schedules
2009 · Barbara Helm, Ingrid Schwabl, et al. · Journal of Experimental Biology · 116
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Avian circannual clocks: adaptive significance and possible involvement of energy turnover in their proximate control
2007 · Martin Wikelski, Lynn B Martin, et al. · Philosophical Transactions of the Royal Society B Biological Sciences · 103
A framework for the study of genetic variation in migratory behaviour
2006 · Arie J. van Noordwijk, Francisco Pulido, et al. · Journal für Ornithologie · 102
When the sun never sets: diverse activity rhythms under continuous daylight in free-living arctic-breeding birds
2013 · Silke S. Steiger, Mihai Valcu, et al. · Proceedings of the Royal Society B Biological Sciences · 101
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Correlated patterns of genetic diversity and differentiation across an avian family
2017 · Benjamin M. Van Doren, Leonardo Campagna, et al. · Molecular Ecology · 99
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Integrated behavioural and stable isotope data reveal altered diet linked to low breeding success in urban-dwelling blue tits (Cyanistes caeruleus)
2017 · Christopher J. Pollock, Pablo Capilla-Lasheras, et al. · Scientific Reports · 96
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Wing pointedness associated with migratory distance in common‐garden and comparative studies of stonechats (Saxicola torquata)
2010 · M. W. BALDWIN, H. WINKLER, et al. · Journal of Evolutionary Biology · 95
Continent-wide genomic signatures of adaptation to urbanisation in a songbird across Europe
2021 · Pablo Salmón, Arne Jacobs, et al. · Nature Communications · 93
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Physiological and behavioral responses of migrants to environmental cues
2012 · Marilyn Ramenofsky, Jamie M. Cornelius, et al. · Journal für Ornithologie · 89
Works count: 194
Citation count: 5,856
H-index: 43
I10-index: 86
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