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Author |
Genov, P.W.; Kostava, V. |
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Title |
Untersuchungen zur zahlenmäßigen Stärke des Wolfes und seiner Einwirkung auf die Haustierbestände in Bulgarien |
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Year |
1993 |
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Zeitschrift für Jagdwissenschaft |
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39 |
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4 |
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217-223 |
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Die Untersuchung wurde in der Zeitspanne von 1984 bis 1988 durchgeführt. Es wurden die Protokolle des Staatlichen Versicherungsinstituts benutzt, die Angaben für Raubüberfälle von Wölfen auf Haustiere beinhalten (Tabelle 1). Außerdem wurden Angaben über die während dieser Zeitspanne erlegten Wölfe zusammengefaßt. Die Abschußzahlen lauten: 1984 – 163, 1985 – 147, 1986 – 179, 1987 – 211 und 1988 – 220 Tiere. Die Anzahl der in den einzelnen Gebirgen lebenden Wölfe wurde nach einer Umfrage festgestellt. Für die in Betracht kommenden Gebirge werden folgende Bestandszahlen angenommen: Rhodopen -- 60-80 Individuen, 189 bis 264 km2 pro Tier, Rila- und Piringebirge -- 60-80 Tiere, 109 bis 145 km2 pro Tier, Ossogowo-Belassiza Gebirgssystem -- 40-50 Individuen, 57-70 km2 pro Tier, West- und Mittelbalkan -- 35-38 Wölfe, 200 km2 pro Tier. Dazu kommen noch 10-15 Wölfe im Flußbecken von Beli Lom und etwa 20 Exemplare in Strandscha- und Sakargebirge. Insgesamt lebten in Bulgarien im Jahre 1988 etwa 260-330 Wölfe (Abb. 1). |
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1439-0574 |
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Equine Behaviour @ team @ Genov1993 |
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6686 |
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Gazzola, A.; Avanzinelli, E.; Mauri, L.; Scandura, M.; Apollonio, M. |
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Title |
Temporal changes of howling in south European wolf packs |
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2002 |
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Ital J Zool |
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69 |
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Equine Behaviour @ team @ Gazzola2002 |
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6495 |
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Galaverni, M.; Palumbo, D.; Fabbri, E.; Caniglia, R.; Greco, C.; Randi, E. |
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Monitoring wolves (Canis lupus) by non-invasive genetics and camera trapping: A small-scale pilot study |
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2012 |
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Eur J Wildl Res |
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58 |
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Equine Behaviour @ team @ Galaverni2012 |
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6479 |
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Fuller, T.K.; Sampson, B.A. |
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Title |
Evaluation of a simulated howling survey for wolves |
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1988 |
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J Widl Manag |
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52 |
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Equine Behaviour @ team @ Fuller1988 |
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6458 |
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Fritts, S.H.; Bangs, E.E.; Gore, J.F. |
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The relationship of wolf recovery to habitat conservation and biodiversity in the northwestern United States |
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1994 |
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Landsc Urban Plan |
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28 |
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Equine Behaviour @ team @ Fritts1994 |
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6453 |
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Farmer, K.; Krüger, K.; Byrne, R.W.; Marr, I. |
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Title |
Sensory laterality in affiliative interactions in domestic horses and ponies (Equus caballus) |
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Year |
2018 |
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Animal Cognition |
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Anim. Cogn. |
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21 |
Issue |
5 |
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631-637 |
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Many studies have been carried out into both motor and sensory laterality of horses in agonistic and stressful situations. Here we examine sensory laterality in affiliative interactions within four groups of domestic horses and ponies (N = 31), living in stable social groups, housed at a single complex close to Vienna, Austria, and demonstrate for the first time a significant population preference for the left side in affiliative approaches and interactions. No effects were observed for gender, rank, sociability, phenotype, group, or age. Our results suggest that right hemisphere specialization in horses is not limited to the processing of stressful or agonistic situations, but rather appears to be the norm for processing in all social interactions, as has been demonstrated in other species including chicks and a range of vertebrates. In domestic horses, hemispheric specialization for sensory input appears not to be based on a designation of positive versus negative, but more on the perceived need to respond quickly and appropriately in any given situation. |
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1435-9456 |
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Equine Behaviour @ team @ Farmer2018 |
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6386 |
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Author |
Esch, L.; Wöhr, C.; Erhard, M.; Krueger, K. |
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Title |
Horses� (Equus Caballus) Laterality, Stress Hormones, and Task Related Behavior in Innovative Problem-Solving |
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2019 |
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Animals |
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Animals |
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9 |
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5 |
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265 |
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innovative behavior; brain lateralization; glucocorticoid metabolites; behavioral traits; equine cognition |
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Domesticated horses are constantly confronted with novel tasks. A recent study on anecdotal data indicates that some are innovative in dealing with such tasks. However, innovative behavior in horses has not previously been investigated under experimental conditions. In this study, we investigated whether 16 horses found an innovative solution when confronted with a novel feeder. Moreover, we investigated whether innovative behavior in horses may be affected by individual aspects such as: age, sex, size, motor and sensory laterality, fecal stress hormone concentrations (GCMs), and task-related behavior. Our study revealed evidence for 25% of the horses being capable of innovative problem solving for operating a novel feeder. Innovative horses of the present study were active, tenacious, and may be considered to have a higher inhibitory control, which was revealed by their task related behavior. Furthermore, they appeared to be emotional, reflected by high baseline GCM concentrations and a left sensory and motor laterality. These findings may contribute to the understanding of horses� cognitive capacities to deal with their environment and calls for enriched environments in sports and leisure horse management. |
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Equine Behaviour @ team @ Esch2019 |
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6570 |
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Author |
Dugnol, B.; Fernández, C.; Galiano, G.; Velasco, J. |
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Title |
On a chirplet transform-based method applied to separating and counting wolf howls |
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2008 |
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Signal Process |
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88 |
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Equine Behaviour @ team @ Dugnol2008 |
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6466 |
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Dugnol, B.; Fernández, C.; Galiano, G. |
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Title |
Wolf population counting by spectrogram image processing |
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2007 |
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Appl Math Comput |
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186 |
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Equine Behaviour @ team @ Dugnol2007 |
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6464 |
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Dugnol, B.; Fernández, C.; Galiano, G.; Velasco, J. |
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Implementation of a diffusive differential reassignment method for signal enhancement: An application to wolf population counting |
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2007 |
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Appl Math Comput |
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193 |
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Equine Behaviour @ team @ Dugnol2007 |
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6465 |
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