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	Author	McNaughton, S. J.; Georgiadis, N.J.
	Title	Ecology of African Grazing and Browsing Mammals			Type	Journal Article
	Year	1986	Publication	Annual Review of Ecology and Systematics	Abbreviated Journal
	Volume	17	Issue		Pages	39-66
	Keywords
	Abstract	INTRODUCTION Africa is the earth's second largest continent, comprising 20% of its surface. Largely tropical, Africa extends as well into temperate zones to 37 N and 35 S. Eastern and southern Africa display steep elevation gradients due to the prevalence there of volcanic orogeny and rifting (29). Local landscapes are distinguished by substantial geological heterogeneity, dissected land forms, and resultant steep gradients of precipitation and vegetation. The consequent pronounced fragnientation of habitats and sharp juxtaposition of distinct vegetation types, combined with climatic oscillations in geological time, contributed to major adaptive radiations of the mammalian fauna (102, 120). Early zoological expeditions recorded that habitat fragmentation and wide spatial variation of animal densities and diversities were distinctive features of African ecosystems (92, 138, 162, 226). Those early records provided the bases of natural history information on animal distributions, habitat preferences, feeding habits, and general ecology; scientific research followed only much later (201). Modem scientific study of African savanna-grassland mammals began in the 1950s (23, 24, 107, 108, 148, 149, 197,203, 204, 210,230), long after the distributions and densities of the major game animals had been affected by growing human populations, colonial land and hunting policies, and virulent exotic diseases that affected the animals both directly and indirectly (57). The mammalian fauna has been increasingly isolated and fragmented within game reserves of varying size, habitat diversity, and animal species diversity; the ability to sustain it in the absence of active management is increasingly questioned (112, 187). For species with population sizes greater than 100 individuals, game reserve area (A) and faunal ...
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4255
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	Author	Barette, C.; Vandal, D.
	Title	Social rank, dominance, antler size, and access to food in snow-bound wild woodland caribou			Type	Journal Article
	Year	1986	Publication	Behaviour	Abbreviated Journal	Behaviour
	Volume	97	Issue	1-2	Pages	118-146
	Keywords	Canada; Quebec; Artiodactyla; Social dominance; Feeding behavior; Morphology; Antler; Rangifer tarandus; North America; America; Ungulata; Mammalia; Vertebrata
	Abstract	We spent two winters studying the social behaviour of wild woodland caribou (Rangifer tarandus caribou) at a time when their main food (ground lichens; Cladina sp.) is available only at snow craters dug by the animals. The competition for access to such craters was severe, the animals constantly trying to take over the craters of others. During a two-month period when a group maintained a constant size (20) and composition (all age-sex classes represented), we could rank the animals in a rather linear dominance hierarchy (Landau's index = 0.87). Rank was correlated with access to resources, percent of time spent active, and percent of time feeding in craters. It was also correlated with age and antler size. However, rank is not an attribute of individuals, but of a relationship between individuals. As such it is only an intervening variable between physical attributes and access to resources, a variable whose value has meaning only within a given group. Among the three attributes studied (age, sex, antler size), the latter was by far the best predictor of the occurrence and outcome of interactions. Between two individuals within any of the three age-sex classes studied (adult and yearling males and adult females), the one with larger antlers initiated significantly more often, escalated its aggression (to the point of hitting the target) less often, and enjoyed a higher success rate in obtaining resources. When their antlers were larger than those of an adult male target (i.e. males that had shed their antlers), adult females won almost all their interactions with adult males even though they escalated only one fourth of them. This clarifies the long-standing speculation that female caribou have antlers and shed them later than males, in order to overcome their sexual handicap in competition for food in the winter. We conclude that the link between rank and dominance of an individual on one hand, and some of its attributes on the other (e.g. sex, age, weight, antler size) is fundamentally realized by the animal itself through its active preference for targets it is likely to beat, i.e. targets with smaller antlers.
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	Publisher		Place of Publication		Editor
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4269
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	Author	Nelissen, M.H.J.
	Title	The effect of tied rank numbers on the linearity of dominance hierarchies			Type	Journal Article
	Year	1986	Publication	Behavioural Processes	Abbreviated Journal	Behav. Process.
	Volume	12	Issue	2	Pages	159-168
	Keywords	dominance hierarchy, linearity, Landau's index, despotism
	Abstract	The occurence of tied rank numbers in dominance hierarchies is discussed, especially its effect on the linearity of the hierarchy. This linearity is measured with Landau's index, that is calculated for several hierarchies with tied ranks on one, two of three levels. Linearity is mostly affected by ties in small groups with many ties. A distinction is made between a hierarchy of individuals and hierarchical levels. The phenomenon of despotism is called an extreme case of tied ranks. It is proposed to regard hierarchies with a linearity in a continuous scale.
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4285
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	Author	Springorum B.
	Title	Hinweise zum Konditionstraining der Military-Pferde			Type	Book Whole
	Year	1986	Publication		Abbreviated Journal
	Volume		Issue		Pages
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	Publisher	FN-Verlag	Place of Publication	Warendorf	Editor
	Language		Summary Language		Original Title
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	Series Volume		Series Issue		Edition
	ISSN		ISBN	3 88542 167 4	Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4439
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	Author	Voith, V.L.
	Title	Principles of learning			Type	Journal Article
	Year	1986	Publication	The Veterinary clinics of North America. Equine practice	Abbreviated Journal
	Volume	2	Issue	3	Pages	485-506
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	Abstract
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	Notes	Cited By (since 1996): 9; Export Date: 21 October 2008			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4547
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	Author	Cheney, D.L.; Seyfarth, R.M.
	Title	The recognition of social alliances among vervet monkeys			Type	Journal Article
	Year	1986	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	34	Issue		Pages	1722-1731
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4864
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	Author	Goodall, J.
	Title	The Chimpanzees of Gombe			Type	Miscellaneous
	Year	1986	Publication		Abbreviated Journal
	Volume		Issue		Pages
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4890
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	Author	Lima, S.L.
	Title	Predation Risk and Unpredictable Feeding Conditions: Determinants of Body Mass in Birds			Type	Journal Article
	Year	1986	Publication	Ecology	Abbreviated Journal	Ecology
	Volume	67	Issue	2	Pages	377-385
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	Notes	doi: 10.2307/1938580			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	5141
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	Author	Gittleman, J.L.
	Title	Carnivore Life History Patterns: Allometric, Phylogenetic, and Ecological Associations			Type	Journal Article
	Year	1986	Publication	The American Naturalist	Abbreviated Journal	Am Nat
	Volume	127	Issue	6	Pages	744-771
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	Abstract
	Address
	Corporate Author				Thesis
	Publisher	The University of Chicago Press for The American Society of Naturalists	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0003-0147	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	5453
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	Author	Heffner, R.S.; Heffner, H.E.
	Title	Localization of tones by horses: use of binaural cues and the role of the superior olivary complex			Type	Journal Article
	Year	1986	Publication	Behavioral Neuroscience	Abbreviated Journal	Behav Neurosci
	Volume	100	Issue	1	Pages	93-103
	Keywords	Animals; Auditory Pathways/physiology; Auditory Perception/physiology; Avoidance Learning/physiology; Brain Mapping; Electroshock; Female; Horses/physiology; Male; Olivary Nucleus/anatomy & histology/physiology; Orientation/physiology; Pitch Perception/physiology; Sound Localization/physiology
	Abstract	The ability of horses to use binaural time and intensity difference cues to localize sound was assessed in free-field localization tests by using pure tones. The animals were required to discriminate the locus of a single tone pip ranging in frequency from 250 Hz to 25 kHz emitted by loudspeakers located 30 degrees to the left and right of the animals' midline (60 degrees total separation). Three animals were tested with a two-choice procedure; 2 additional animals were tested with a conditioned avoidance procedure. All 5 animals were able to localize 250 Hz, 500 Hz, and 1 kHz but were completely unable to localize 2 kHz and above. Because the frequency of ambiguity for the binaural phase cue delta phi for horses in this test was calculated to be 1.5 kHz, these results indicate that horses can use binaural time differences in the form of delta phi but are unable to use binaural intensity differences. This finding was supported by an unconditioned orientation test involving 4 additional horses, which showed that horses correctly orient to a 500-Hz tone pip but not to an 8-kHz tone pip. Analysis of the superior olivary complex, the brain stem nucleus at which binaural interactions first take place, reveals that the lateral superior olive (LSO) is relatively small in the horse and lacks the laminar arrangement of bipolar cells characteristic of the LSO of most mammals that can use binaural delta I.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0735-7044	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3954885			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	5634
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