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| Title |
R Foundation for Statistical Computing |
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Book Whole |
| Year |
2013 |
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R Foundation for Statistical Computing |
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Vienna, Austria |
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Equine Behaviour @ team @ ref80 |
Serial |
6295 |
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| Author |
Iliopoulos, Y.; Youlatos, D.; Sgardelis, S. |
| Title |
Wolf pack rendezvous site selection in Greece is mainly affected by anthropogenic landscape features |
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Journal Article |
| Year |
2013 |
Publication |
Eur J Wildl Res |
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60 |
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Equine Behaviour @ team @ Iliopoulos2013 |
Serial |
6478 |
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| Author |
Herbst, C.T.; Herzel, H.; Svec, J.G.; Wyman, M.T.; Fitch, W.T. |
| Title |
Visualization of system dynamics using phasegrams |
Type |
Journal Article |
| Year |
2013 |
Publication |
J R Soc Interface |
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10 |
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Equine Behaviour @ team @ Herbst2013 |
Serial |
6487 |
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| Author |
Péron, F.; Ward, R.; Burman, O. |
| Title |
Horses (Equus caballus) discriminate body odour cues from conspecifics |
Type |
Journal Article |
| Year |
2013 |
Publication |
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Abbreviated Journal |
Animal Cognition |
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Pages |
1-5 |
| Keywords |
Body odour; Discrimination; Equus caballus; Habituation; Social memory |
| Abstract |
Knowledge about social recognition and memory in animals can help us to determine appropriate management and husbandry techniques. In this study, we used a habituation–discrimination procedure to investigate the ability of horses (Equus caballus) to distinguish between the body odour samples of unfamiliar conspecifics. To pick up body odour, we rubbed material on the coat of horses and presented these unknown body odours to 16 different conspecifics of the same sex and similar age. The test consisted of two successive two-min presentations of a sample from one individual (e.g. individual ‘A’) and a simultaneous presentation of samples from individual ‘A’ and a novel individual (e.g. individual ‘B’) during a final third presentation. The results showed that horses, regardless of sex, decreased the time they spent investigating conspecific body odour across the initial two presentations—demonstrating habituation. In the final presentation, the results demonstrated successful discrimination of the previously experienced odour because horses investigated the novel olfactory sample (‘B’) significantly more than the pre-exposed sample (‘A’). Taken together, these findings suggest, for the first time, that horses are able to discriminate two stimuli derived from body odours of unfamiliar conspecifics over short period of time. |
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Springer Berlin Heidelberg |
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English |
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1435-9448 |
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no |
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Equine Behaviour @ team @ |
Serial |
5742 |
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| Author |
Wolter, R.; Pantel, N.; Möstl, E.; Krueger, K. |
| Title |
Die Rolle des Alpha-Hengstes in einer Przewalski Bachelor-Gruppe beim Erkunden einer neuen Fläche in einem Semi-Reservat |
Type |
Conference Article |
| Year |
2013 |
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Göttinger Pferdetage'13 |
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Pages |
66 |
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978-3-88542-782-7 |
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no |
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Equine Behaviour @ team @ |
Serial |
5946 |
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| Author |
Krueger, K.; Lerbs, S. |
| Title |
Die Schiefe, und die motorische sowie sensorische Lateralität des Pferdes |
Type |
Conference Article |
| Year |
2013 |
Publication |
Jahrestagung der DVG, Fachgruppe: Tierschutz & Ethologie und Tierhaltung Umwelt und Tierhygiene |
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ISBN 978-3-86345-177-6 |
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no |
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Equine Behaviour @ team @ |
Serial |
5951 |
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| Author |
Benz, B.; Benitz, B.; Krueger, K.; Winter, D. |
| Title |
Weniger Einstreu bei gleichem Komfort |
Type |
Journal Article |
| Year |
2013 |
Publication |
Pferdezucht und Haltung |
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1 |
Issue |
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Pages |
66-71 |
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AVA-Verlag-Allgäu GmbH |
Place of Publication |
Kempten |
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no |
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Equine Behaviour @ team @ |
Serial |
5654 |
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| Author |
Beran, M.J.; Smith, J.D.; Perdue, B.M. |
| Title |
Language-Trained Chimpanzees (Pan troglodytes) Name What They Have Seen but Look First at What They Have Not Seen |
Type |
Journal Article |
| Year |
2013 |
Publication |
Psychological Science |
Abbreviated Journal |
Psychol Sci |
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Metacognition can be defined as knowing what one knows, and the question of whether nonhuman animals are metacognitive has driven an intense debate. We tested 3 language-trained chimpanzees in an information-seeking task in which the identity of a food item was the critical piece of information needed to obtain the food. The chimpanzees could either report the identity of the food immediately or first check a container in which the food had been hidden. In two experiments, the chimpanzees were significantly more likely to visit the container first on trials in which they could not know its contents but were more likely to just name the food item without looking into the container on trials in which they had seen its contents. Thus, chimpanzees showed efficient information-seeking behavior that suggested they knew what they had or had not already seen when it was time to name a hidden item. |
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1Language Research Center, Georgia State University |
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English |
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0956-7976 |
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PMID:23508741 |
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no |
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Equine Behaviour @ team @ |
Serial |
5659 |
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| Author |
Sebilo, M.; Mayer, B.; Nicolardot, B.; Pinay, G.; Mariotti, A. |
| Title |
Long-term fate of nitrate fertilizer in agricultural soils |
Type |
Journal Article |
| Year |
2013 |
Publication |
Proceedings of the National Academy of Sciences |
Abbreviated Journal |
PNAS |
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Increasing diffuse nitrate loading of surface waters and groundwater has emerged as a major problem in many agricultural areas of the world, resulting in contamination of drinking water resources in aquifers as well as eutrophication of freshwaters and coastal marine ecosystems. Although empirical correlations between application rates of N fertilizers to agricultural soils and nitrate contamination of adjacent hydrological systems have been demonstrated, the transit times of fertilizer N in the pedosphere–hydrosphere system are poorly understood. We investigated the fate of isotopically labeled nitrogen fertilizers in a three–decade-long in situ tracer experiment that quantified not only fertilizer N uptake by plants and retention in soils, but also determined to which extent and over which time periods fertilizer N stored in soil organic matter is rereleased for either uptake in crops or export into the hydrosphere. We found that 61–65% of the applied fertilizers N were taken up by plants, whereas 12–15% of the labeled fertilizer N were still residing in the soil organic matter more than a quarter century after tracer application. Between 8–12% of the applied fertilizer had leaked toward the hydrosphere during the 30-y observation period. We predict that additional exports of 15N-labeled nitrate from the tracer application in 1982 toward the hydrosphere will continue for at least another five decades. Therefore, attempts to reduce agricultural nitrate contamination of aquatic systems must consider the long-term legacy of past applications of synthetic fertilizers in agricultural systems and the nitrogen retention capacity of agricultural soils. |
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Equine Behaviour @ team @ |
Serial |
5730 |
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| Author |
Fürst, A. |
| Title |
Haltungsbedingte Erkrankungen und Verletzungen des Pferdes: Vor- und Nachteile der verschiedenen Haltungssystemen aus medizinischer Sicht |
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Manuscript |
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2013 |
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Equine Behaviour @ team @ |
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5757 |
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