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Author |
Berge, J.; Cottier, F.; Last, K.S.; Varpe, O.; Leu, E.; Soreide, J.; Eiane, K.; Falk-Petersen, S.; Willis, K.; Nygard, H.; Vogedes, D.; Griffiths, C.; Johnsen, G.; Lorentzen, D.; Brierley, A.S. |
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Title |
Diel vertical migration of Arctic zooplankton during the polar night |
Type |
Journal Article |
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Year |
2008 |
Publication |
Biology Letters |
Abbreviated Journal |
Biol Lett |
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Abstract |
High-latitude environments show extreme seasonal variation in physical and biological variables. The classic paradigm of Arctic marine ecosystems holds that most biological processes slow down or cease during the polar night. One key process that is generally assumed to cease during winter is diel vertical migration (DVM) of zooplankton. DVM constitutes the largest synchronized movement of biomass on the planet, and is of paramount importance for marine ecosystem function and carbon cycling. Here we present acoustic data that demonstrate a synchronized DVM behaviour of zooplankton that continues throughout the Arctic winter, in both open and ice-covered waters. We argue that even during the polar night, DVM is regulated by diel variations in solar and lunar illumination, which are at intensities far below the threshold of human perception. We also demonstrate that winter DVM is stronger in open waters compared with ice-covered waters. This suggests that the biologically mediated vertical flux of carbon will increase if there is a continued retreat of the Arctic winter sea ice cover. |
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University Centre in Svalbard, Pb 156, 9171 Longyearbyen, Norway The Scottish Association for Marine Science, Dunstaffnage Marine Laboratories, Oban, Argyll PA37 1QA, UK |
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English |
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1744-9561 |
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PMID:18948249 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4629 |
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Author |
Ehardt, C.L.; Bernstein, I.S. |
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Title |
Conflict intervention behaviour by adult male macaques: structural and functional aspects |
Type |
Book Chapter |
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Year |
1992 |
Publication |
Coalitions and Alliances in Humans and Other Animals |
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83-111 |
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Oxford University Press |
Place of Publication |
Oxford |
Editor |
Harcourt, A.H.; de Waal, F.B.M. |
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Equine Behaviour @ team @ |
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4926 |
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Author |
Götz, C. |
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Title |
Praxishandbuch Freispringen: Gymnastik – Training – Abwechslung |
Type |
Book Whole |
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Year |
2008 |
Publication |
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80 |
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Aus dem Inhalt:
* Warum Freispringen?
* Die Ausstattung
* Der Ablauf
* Sehen lernen
* Freispringen aufbauen
* Fehler korrigieren
Kurzbeschreibung
In vielen größeren Reitställen wird das Freispringen von den dortigen Ausbildern für die untergestellten Pferde angeboten. Doch auch in Eigenregie und auf kleineren Anlagen – sowohl in der Halle als auch auf dem Reitplatz – lässt sich das Freispringen organisieren und durchführen. Es bringt Abwechslung in den Trainingsalltag von Pferden aller Rassen und Reitweisen und hat auch für Pferde, die unter dem Sattel nicht springen müssen, einen hervorragenden gymnastizierenden Effekt. Für Springpferde gehört das Freispringen zu einem durchdachten Trainingskonzept zwingend dazu – lernen sie hierbei doch, Selbstvertrauen und Routine zu gewinnen und ihre Springtechnik zu verbessern. Voraussetzung ist, dass die Menschen, die das Freispringen durchführen, die Hindernisse sachkundig aufbauen, die Pferde richtig vorbereiten und den Ablauf des Freispringens den Fähigkeiten des jeweiligen Kandidaten entsprechend gestalten. Das notwendige Handwerkszeug hierfür liefert ihnen dieses verständlich geschriebene und mit vielen erläuternden Bildern und Bildabfolgen versehene Buch.
Über den Autor
Claudia Götz, geboren 1965, ist Diplomjournalistin und arbeitet unter anderem als Sachbuchautorin. Als Matrix-Rhythmus-Therapeutin verfügt sie über umfangreiches Wissen rund um Anatomie und Physiologie der Muskulatur und bildet sich zum Beispiel im Bereich Trainingslehre regelmäßig weiter. Die Berittführerin FN und begeisterte Vielseitigkeits- und Freizeitreiterin lebt in der Nähe von Regensburg. |
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Cadmos Verlag |
Place of Publication |
Brunsbek |
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ISBN |
978-3861274476 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4954 |
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Author |
Zahn-Waxler, C. & Radke-Yarrow, M. |
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Title |
The development of altruism: Alternative research strategies. |
Type |
Book Chapter |
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Year |
1982 |
Publication |
The development of prosocial behavior |
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Pages |
109-138 |
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Zahn-Waxler, C. & Radke-Yarrow, M. (1982) The development of altruism:
Alternative research strategies. In: The development of prosocial behavior, ed.
N. Eisenberg. Academic Press. [aSDP] |
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Academic Press |
Place of Publication |
New York |
Editor |
Eisenberg, N. |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5061 |
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Author |
Klüwer, C. |
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Title |
Zur Arbeit mit dem Pferd in Psychiatrie und Psychotherapie. Versuch einer theoretischen Besinnung auf grundlegende Möglichkeiten zwischen Mensch und Pferd. |
Type |
Book Chapter |
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Year |
2005 |
Publication |
Die Arbeit mit dem Pferd in Psychiatrie und Psychotherapie |
Abbreviated Journal |
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Pages |
5 |
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FN-Verlag |
Place of Publication |
Warendorf |
Editor |
DKThR |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5065 |
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Author |
Bamford, A.J.; Monadjem, A.; Hardy, I.C.W. |
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Title |
Associations of Avian Facial Flushing and Skin Colouration with Agonistic Interaction Outcomes |
Type |
Journal Article |
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Year |
2010 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
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no-no |
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Abstract |
Abstract Facial flushing, a colour change caused by variation of blood flow through highly vascularized skin, has been observed in taxonomically diverse bird species but the function of the behaviour has not been assessed. Lappet-faced vultures, Aegypius tracheliotos, have unfeathered heads that can rapidly flush from pink to dark red, and this has been hypothesized to indicate contest ability in vulture gatherings. We show that adults with flushed heads won most interactions against those with pale heads. A previously unnoticed colour variation of the throat, visible only when the head is flushed, was also related to the outcome of interactions: blue-throated adults participated in, and won, more interactions than red-throated adults. We suggest that the non-fixed groups of which lappet-faced vulture populations consist promote the evolution of signals of dominance that can be adjusted extremely rapidly. |
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Blackwell Publishing Ltd |
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ISSN |
1439-0310 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5180 |
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Author |
Collier, T.C.; Blumstein, D.T.; Girod, L.; Taylor, C.E. |
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Title |
Is Alarm Calling Risky? Marmots Avoid Calling from Risky Places |
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Journal Article |
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Year |
2010 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
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no-no |
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Abstract Alarm calling is common in many species. A prevalent assumption is that calling puts the vocalizing individual at increased risk of predation. If calling is indeed costly, we need special explanations for its evolution and maintenance. In some, but not all species, callers vocalize away from safety and thus may be exposed to an increased risk of predation. However, for species that emit bouts with one or a few calls, it is often difficult to identify the caller and find the precise location where a call was produced. We analyzed the spatial dynamics of yellow-bellied marmot (Marmota flaviventris) alarm calling using an acoustic localization system to determine the location from where calls were emitted. Marmots almost always called from positions close to the safety of their burrows, and, if they produced more than one alarm call, tended to end their calling bouts closer to safety than they started them. These results suggest that for this species, potential increased predation risk from alarm calling is greatly mitigated and indeed calling may have limited predation costs. |
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Blackwell Publishing Ltd |
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ISSN |
1439-0310 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5181 |
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Author |
Hois, C. |
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Title |
Feldstudie zur Gewichtsentwicklung und Gewichtsschätzung beim wachsenden Pferd |
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Manuscript |
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Year |
2004 |
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Ph.D. thesis |
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Tierärztlichen Fakultät der Ludwig-Maximilians-Universität München |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5204 |
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Author |
Zabel, C. J.; Glickman, S. E.; Frank, L. G.; Woodmansee, K. B.; Keppel, G. |
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Title |
Coalition formation in a colony of prepubertal spotted hyaenas |
Type |
Book Chapter |
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Year |
1992 |
Publication |
Coalitions and Alliances in Humans and Other Animals |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
113–135 |
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Publisher |
Oxford University Press |
Place of Publication |
Oxford |
Editor |
Harcourt, A.H.; de Waal, F.B.M. |
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Equine Behaviour @ team @ |
Serial |
5232 |
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Author |
Connor, R. C.; Smokler, R. A.; Richards, A. F. |
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Title |
Dolphin alliances and coalitions |
Type |
Book Chapter |
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Year |
1992 |
Publication |
Coalitions and Alliances in Humans and Other Animals |
Abbreviated Journal |
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Volume |
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Pages |
415-443 |
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Publisher |
Oxford University Press |
Place of Publication |
Oxford |
Editor |
Harcourt, A.H.;de Waal, F.B.M. |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5238 |
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