complex atmospheric flow

1.

Zeitschriftenartikel

Helm, B.; van Doren, B. M.; Hoffmann, D.; Hoffmann, U.: Evolutionary response to climate change in migratory pied flycatchers. Current Biology 29 (21), S. 3714 - 3719.e4 (2019)

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2.

Zeitschriftenartikel

Bulla, M.; Valcu, M.; Dokter, A. M.; Dondua, A. G.; Kosztolányi, A.; Rutten, A. L.; Helm, B.; Sandercock, B. K.; Casler, B.; Ens, B. J. et al.; Spiegel, C. S.; Hassell, C. J.; Küpper, C.; Minton, C.; Burgas, D.; Lank, D. B.; Payer, D. C.; Loktionov, E. Y.; Nol, E.; Kwon, E.; Smith, F.; Gates, H. R.; Vitnerova, H.; Prüter, H.; Johnson, J. A.; Clair, J. J. H. S.; Lamarre, J.-F.; Rausch, J.; Reneerkens, J.; Conklin, J. R.; Burger, J.; Liebezeit, J.; Bêty, J.; Coleman, J. T.; Figuerola, J.; Hooijmeijer, J. C. E. W.; Alves, J. A.; Smith, J. A. M.; Weidinger, K.; Koivula, K.; Gosbell, K.; Exo, K.-M.; Niles, L.; Koloski, L.; McKinnon, L.; Praus, L.; Klaassen, M.; Giroux, M.-A.; Sládeček, M.; Boldenow, M. L.; Goldstein, M. I.; Šálek, M.; Senner, N. R.; Rönkä, N.; Lecomte, N.; Gilg, O.; Vincze, O.; Johnson, O. W.; Smith, P. A.; Woodard, P. F.; Tomkovich, P. S.; Battley, P. F.; Bentzen, R.; Lanctot, R. B.; Porter, R.; Saalfeld, S. T.; Freeman, S.; Brown, S. C.; Yezerinac, S.; Székely, T.; Montalvo, T.; Piersma, T.; Loverti, V.; Pakanen, V.-M.; Tijsen, W.; Kempenaers, B.: Unexpected diversity in socially synchronized rhythms of shorebirds. Nature 540 (7631), S. 109 - 113 (2016)

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3.

Zeitschriftenartikel

Nord, A.; Lehmann, M.; MacLeod, R.; McCafferty, D. J.; Nager, R. G.; Nilsson, J.-Å.; Helm, B.: Evaluation of two methods for minimally invasive peripheral body temperature measurement in birds. Journal of Avian Biology 47 (3), S. 417 - 427 (2016)

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4.

Zeitschriftenartikel

Stevenson, T. J.; Visser, M. E.; Arnold, W.; Barrett, P.; Biello, S.; Dawson, A.; Denlinger, D. L.; Dominoni, D. M.; Ebling, F. J.; Elton, S. et al.; Evans, N.; Ferguson, H. M.; Foster, R. G.; Hau, M.; Haydon, D. T.; Hazlerigg, D. G.; Heideman, P. D.; Hopcraft, J. G. C.; Jonsson, N. N.; Kronfeld-Schor, N.; Kumar, V.; Lincoln, G. A.; MacLeod, R.; Martin, S. A. M.; Martinez-Bakker, M.; Nelson, R. J.; Reed, T.; Robinson, J. E.; Rock, D.; Schwartz, W. J.; Steffan-Dewenter, I.; Tauber, E.; Thackeray, S. J.; Umstatter, C.; Yoshimura, T.; Helm, B.: Disrupted seasonal biology impacts health, food security and ecosystems. Proceedings of the Royal Society B: Biological Sciences 282 (1817), 20151453 (2015)

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5.

Zeitschriftenartikel

Mortega, K. G.; Flinks, H.; Helm, B.: Behavioural response of a migratory songbird to geographic variation of song and morphology. Frontiers in Zoology 11, 85 (2014)

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6.

Zeitschriftenartikel

Versteegh, M. A.; Helm, B.; Kleynhans, E. J.; Gwinner, E.; Tieleman, B. I.: Genetic and phenotypically flexible components of seasonal variation in immune function. The Journal of Experimental Biology 217 (9), S. 1510 - 1518 (2014)

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7.

Zeitschriftenartikel

Dominoni, D. M.; Goymann, W.; Helm, B.; Partecke, J.: Urban-like night illumination reduces melatonin release in European blackbirds (Turdus merula): Implications of city life for biological time-keeping of songbirds. Frontiers in Zoology 10, 60 (2013)

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8.

Zeitschriftenartikel

Dominoni, D. M.; Helm, B.; Lehmann, M.; Dowse, H. B.; Partecke, J.: Clocks for the city: Circadian differences between forest and city songbirds. Proceedings of the Royal Society B: Biological Sciences 280 (1763), 20130593 (2013)

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9.

Zeitschriftenartikel

Helm, B.; Ben-Shlomo, R.; Sheriff, M. J.; Hut, R. A.; Foster, R.; Barnes, B. M.; Dominoni, D. M.: Annual rhythms that underlie phenology: Biological time-keeping meets environmental change. Proceedings of the Royal Society B: Biological Sciences 280 (1765), 20130016 (2013)

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10.

Zeitschriftenartikel

Holland, R. A.; Helm, B.: A strong magnetic pulse affects the precision of departure direction of naturally migrating adult but not juvenile birds. Interface: Journal of the Royal Society 10 (81), 20121047 (2013)

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11.

Zeitschriftenartikel

Steiger, S. S.; Valcu, M.; Spoelstra, K.; Helm, B.; Wikelski, M.; Kempenaers, B.: When the sun never sets: Diverse activity rhythms under continuous daylight in free-living arctic-breeding birds. Proceedings of the Royal Society B: Biological Sciences 280 (1764), 20131016 (2013)

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12.

Zeitschriftenartikel

Goymann, W.; Helm, B.; Jensen, W.; Schwabl, I.; Moore, I. T.: A tropical bird can use the equatorial change in sunrise and sunset times to synchronize its circannual clock. Proceedings of the Royal Society B: Biological Sciences 279 (1742), S. 3527 - 3534 (2012)

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13.

Zeitschriftenartikel

Lehmann, M.; Spoelstra, K.; Visser, M. E.; Helm, B.: Effects of temperature on circadian clock and chronotype: An experimental study on a passerine bird. Chronobiology International 29 (8), S. 1062 - 1071 (2012)

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14.

Zeitschriftenartikel

Ramenofsky, M.; Cornelius, J. M.; Helm, B.: Physiological and behavioral responses of migrants to environmental cues. Journal of Ornithology 153 (Suppl. 1), S. 181 - 191 (2012)

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15.

Zeitschriftenartikel

Versteegh, M. A.; Helm, B.; Gwinner, E.; Tieleman, B. I.: Annual cycles of metabolic rate are genetically determined but can be shifted by phenotypic flexibility. The Journal of Experimental Biology 215 (19), S. 3459 - 3466 (2012)

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16.

Zeitschriftenartikel

Baldwin, M. W.; Winkler, H.; Organ, C. L.; Helm, B.: Wing pointedness associated with migratory distance in common-garden and comparative studies of stonechats (Saxicola torquata). Journal of Evolutionary Biology 23 (5), S. 1050 - 1063 (2010)

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17.

Zeitschriftenartikel

Helm, B.; Visser, M. E.: Heritable circadian period length in a wild bird population. Proceedings of the Royal Society B: Biological Sciences 277 (1698), S. 3335 - 3342 (2010)

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18.

Zeitschriftenartikel

Tieleman, B. I.; Croese, E.; Helm, B.; Versteegh, M. A.: Repeatability and individual correlates of microbicidal capacity of bird blood. Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology 156 (4), S. 537 - 540 (2010)

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19.

Zeitschriftenartikel

Visser, M. E.; Caro, S. P.; van Oers, K.; Schaper, S. V.; Helm, B.: Phenology, seasonal timing and circannual rhythms: Towards a unified framework. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences 365 (1555), S. 3113 - 3127 (2010)

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20.

Zeitschriftenartikel

Buchmann, M.; Helm, B.; Rothery, P.; Flinks, H.: Auswirkung von Spätbruten auf Mauser und Rückkehrrate bei einem Weitstreckenzieher, dem Steinschmätzer (Oenanthe oenanthe). Vogelwarte - Zeitschrift für Vogelkunde 47 (2), S. 125 - 133 (2009)

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21.

Zeitschriftenartikel

Helm, B.: Geographically distinct reproductive schedules in a changing world: Costly implications in captive Stonechats. Integrative and Comparative Biology 49 (5), S. 563 - 579 (2009)

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22.

Zeitschriftenartikel

Helm, B.; Schwabl, I.; Gwinner, E.: Circannual basis of geographically distinct bird schedules. The Journal of Experimental Biology 212 (9), S. 1259 - 1269 (2009)

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23.

Zeitschriftenartikel

Kalthoff, D.; Breithaupt, A.; Helm, B.; Teifke, J. P.; Beer, M.: Migratory status is not related to the susceptibility to HPAIV H5N1 in an insectivorous passerine species. PLoS One 4 (7), e6170 (2009)

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24.

Zeitschriftenartikel

Mukhin, A.; Grinkevich, V.; Helm, B.: Under cover of darkness: Nocturnal life of diurnal birds. Journal of Biological Rhythms 24 (3), S. 225 - 231 (2009)

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25.

Zeitschriftenartikel

Silverin, B.; Gwinner, E.; Van't Hof, T. J.; Schwabl, I.; Fusani, L.; Hau, M.; Helm, B.: Persistent diel melatonin rhythmicity during the Arctic summer in free-living willow warblers. Hormones and Behavior 56 (1), S. 163 - 168 (2009)

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26.

Zeitschriftenartikel

Tieleman, B. I.; Versteegh, M. A.; Fries, A.; Helm, B.; Dingemanse, N. J.; Gibbs, H. L.; Williams, J. B.: Genetic modulation of energy metabolism in birds through mitochondrial function. Proceedings of the Royal Society B: Biological Sciences 276 (1662), S. 1685 - 1693 (2009)

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27.

Zeitschriftenartikel

Tieleman, B. I.; Versteegh, M. A.; Helm, B.; Dingemanse, N. J.: Quantitative genetics parameters show partial independent evolutionary potential for body mass and metabolism in stonechats from different populations. Journal of Zoology 279 (2), S. 129 - 136 (2009)

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28.

Zeitschriftenartikel

Flinks, H.; Helm, B.; Rothery, P.: Plasticity of moult and breeding schedules in migratory European Stonechats Saxicola rubicola. Ibis 150 (4), S. 687 - 697 (2008)

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29.

Zeitschriftenartikel

Illera, J. C.; Richardson, D. S.; Helm, B.; Atienza, J. C.; Emerson, B. C.: Phylogenetic relationships, biogeography and speciation in the avian genus Saxicola. Molecular Phylogenetics and Evolution 48 (3), S. 1145 - 1154 (2008)

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30.

Zeitschriftenartikel

Illera, J.C.; Richardson, D. S.; Helm, B.; Atienza, J. C.; Emerson, B. C.: En busca de los origenes de las tarabillas del mundo. La Garcilla 136, S. 14 - 17 (2008)

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31.

Zeitschriftenartikel

Versteegh, M. A.; Helm, B.; Dingemanse, N. J.; Tieleman, B. I.: Repeatability and individual correlates of basal metabolic rate and total evaporative water loss in birds: A case study in European stonechats. Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology 150 (4), S. 452 - 457 (2008)

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32.

Zeitschriftenartikel

Wikelski, M.; Martin, L. B.; Scheuerlein, A.; Robinsoni, M. T.; Robinson, N. D.; Helm, B.; Hau, M.; Gwinner, E.: Avian circannual clocks: Adaptive significance and possible involvement of energy turnover in their proximate control. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences 363 (1490), S. 411 - 423 (2008)

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33.

Zeitschriftenartikel

Woog, F.; Wink, M.; Rastegar-Pouyani, E.; Gonzalez, J.; Helm, B.: Distinct taxonomic position of the Madagascar stonechat (Saxicola torquatus sibilla) revealed by nucleotide sequences of mitochondrial DNA. Journal of Ornithology 149 (3), S. 423 - 430 (2008)

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34.

Zeitschriftenartikel

Hedenström, A.; Barta, Z.; Helm, B.; Houston, A. I.; McNamara, J. M.; Jonzen, N.: Migration speed and scheduling of annual events by migrating birds in relation to climate change. Climate Research 35 (1-2), S. 79 - 91 (2007)

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35.

Zeitschriftenartikel

Kumar, V.; Rani, S.; Malik, S.; Trivedi, A. K.; Schwabl, I.; Helm, B.; Gwinner, E.: Daytime light intensity affects seasonal timing via changes in the nocturnal melatonin levels. Die Naturwissenschaften 94 (8), S. 693 - 696 (2007)

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36.

Zeitschriftenartikel

Helm, B.: Zugunruhe of migratory and non-migratory birds in a circannual context. Journal of Avian Biology 37 (6), S. 533 - 540 (2006)

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37.

Zeitschriftenartikel

Helm, B.: Jahreszeitliches Verhalten in verschiedenen Lebensraumen: Vergleichende Studien an Schwarzkehlchen. Vogelwarte - Zeitschrift für Vogelkunde 44 (1), S. 26 - 27 (2006)

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38.

Zeitschriftenartikel

Helm, B.; Fiedler, W.; Callion, J.: Movements of European Stonechats Saxicola torquata according to ringing recoveries. Ardea 94 (1), S. 33 - 44 (2006)

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39.

Zeitschriftenartikel

Helm, B.; Gwinner, E.: Migratory restlessness in an equatorial nonmigratory bird. PLoS Biology 4 (4), S. 611 - 614 (2006)

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40.

Zeitschriftenartikel

Helm, B.; Piersma, T.; Van der Jeugd, H.: Sociable schedules: Interplay between avian seasonal and social behaviour. Animal Behaviour 72 (2), S. 245 - 262 (2006)

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41.

Zeitschriftenartikel

Van Noordwijk, A. J.; Pulido, F.; Helm, B.; Coppack, T.; Delingat, J.; Dingle, H.; Hedenström, A.; van der Jeugd, H.; Marchetti, C.; Nilsson, A. et al.; Perez-Tris, J.: A framework for the study of genetic variation in migratory behaviour. Journal of Ornithology 147 (2), S. 221 - 233 (2006)

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42.

Zeitschriftenartikel

Helm, B.; Gwinner, E.: Carry-over effects of day length during spring migration. Journal of Ornithology 146 (4), S. 348 - 354 (2005)

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43.

Zeitschriftenartikel

Helm, B.; Gwinner, E.; Trost, L.: Flexible seasonal timing and migratory behavior: Results from stonechat breeding programs. Annals of the New York Academy of Sciences 1046, S. 216 - 227 (2005)

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44.

Zeitschriftenartikel

Helm, B.: Combatting misogyny? Responses to Nietzsche by Turn-of-the-Century German Women. Journal of Nietzsche Studies 27, S. 64 - 84 (2004)

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45.

Zeitschriftenartikel

Helm, B.: Coping with extreme conditions: Are desert birds different? Ardea 91, S. 135 - 139 (2003)

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46.

Zeitschriftenartikel

Rappole, J. H.; Helm, B.; Ramos, M. A.: An integrative framework for understanding the origin and evolution of avian migration. Journal of Avian Biology 34 (1), S. 124 - 128 (2003)

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47.

Zeitschriftenartikel

König, S.; Gwinner, E.; Helm, B.: Programmed patterns of territorial aggression in first-year European and African Stonechats (Saxicola torquata rubicola and S. t. axillaris). Ökologie der Vögel 24, S. 579 - 594 (2002)

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48.

Zeitschriftenartikel

Helm, B.; Gwinner, E.: Nestling growth and post-juvenile molt under tight seasonal schedule: Stonechats from Kazakhstan, Saxicola torquata maura. Avian Science 1 (1), S. 31 - 42 (2001)

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49.

Zeitschriftenartikel

Helm, B.; Albrecht, H.: Human handedness causes directional asymmetry in avian wing length measurements. Animal Behaviour 60 (6), S. 899 - 902 (2000)

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50.

Zeitschriftenartikel

Helm, B.; Gwinner, E.: Timing of postjuvenal molt in African (Saxicola torquata axillaris) and European (Saxicola torquata rubicola) Stonechats: Effects of genetic and environmental factors. The Auk 116 (3), S. 589 - 603 (1999)

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Publikationen von Barbara Helm

Zeitschriftenartikel (50)