| Records |
| Author |
Eloff G, |
| Title |
The passing of the true quagga and the little klibbolikhonnifontein Burchell's zebra. Which is to be next, the Cape Mountain Zebra or Wahlberg's Zebra of Zululand |
Type |
Journal Article |
| Year |
1966 |
Publication |
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Abbreviated Journal  |
Tydskr Naturwet |
| Volume |
6 |
Issue |
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Pages |
193-207 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1067 |
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| Author |
Groves Cp, |
| Title |
The taxonomy, distrubution, and adaptations of recent equids |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
Tübinger Atlas Vorderer Orient Beihefte Reihe A 19 |
| Volume |
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Issue |
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Pages |
11-65 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1134 |
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| Author |
Fielding D, |
| Title |
Reproductive characteristics of the Jenny donkey – Equus Asinus: a review |
Type |
Journal Article |
| Year |
1988 |
Publication |
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Abbreviated Journal |
Trop Anim Hlth Prod |
| Volume |
20 |
Issue |
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Pages |
161-166 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1086 |
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| Author |
Smith, D.G.; Pearson, R.A. |
| Title |
A review of the factors affecting the survival of donkeys in semi-arid regions of sub-Saharan Africa |
Type |
Journal Article |
| Year |
2005 |
Publication |
Tropical Animal Health and Production |
Abbreviated Journal |
Trop Anim Health Prod |
| Volume |
37 Suppl 1 |
Issue |
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Pages |
1-19 |
| Keywords |
Africa South of the Sahara; Animal Nutrition Physiology; Animals; Behavior, Animal; Cattle; Equidae/growth & development/*physiology; Socioeconomic Factors |
| Abstract |
The large fluctuations seen in cattle populations during periods of drought in sub-Saharan Africa are not evident in the donkey population. Donkeys appear to have a survival advantage over cattle that is increasingly recognized by smallholder farmers in their selection of working animals. The donkey's survival advantages arise from both socioeconomic and biological factors. Socioeconomic factors include the maintenance of a low sustainable population of donkeys owing to their single-purpose role and their low social status. Also, because donkeys are not usually used as a meat animal and can provide a regular income as a working animal, they are not slaughtered in response to drought, as are cattle. Donkeys have a range of physiological and behavioural adaptations that individually provide small survival advantages over cattle but collectively may make a large difference to whether or not they survive drought. Donkeys have lower maintenance costs as a result of their size and spend less energy while foraging for food; lower energy costs result in a lower dry matter intake (DMI) requirement. In donkeys, low-quality diets are digested almost as efficiently as in ruminants and, because of a highly selective feeding strategy, the quality of diet obtained by donkeys in a given pasture is higher than that obtained by cattle. Lower energy costs of walking, longer foraging times per day and ability to tolerate thirst may allow donkeys to access more remote, under-utilized sources of forage that are inaccessible to cattle on rangeland. As donkeys become a more popular choice of working animal for farmers, specific management practices need to be devised that allow donkeys to fully maximize their natural survival advantages. |
| Address |
Department of Agriculture and Forestry, University of Aberdeen, Aberdeen, AB24 3FX, Scotland, UK. d.g.smith@abdn.ac.uk |
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English |
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Series Issue |
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Edition |
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| ISSN |
0049-4747 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:16335068 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4231 |
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| Author |
Wilson, D.A.; Stevenson, R.J. |
| Title |
The fundamental role of memory in olfactory perception |
Type |
Journal Article |
| Year |
2003 |
Publication |
Trends in Neurosciences |
Abbreviated Journal |
Trends. Neurosci. |
| Volume |
26 |
Issue |
5 |
Pages |
243-247 |
| Keywords |
olfactory perception mammals |
| Abstract |
Current emphasis on odorant physiochemical features as the basis for perception largely ignores the synthetic and experience-dependent nature of olfaction. Olfaction is synthetic, as mammals have only limited ability to identify elements within even simple odor mixtures. Furthermore, olfaction is experience-bound, as exposure alone can significantly affect the extent to which stimuli can be discriminated. We propose that early analytical processing of odors is inaccessible at the behavioral level and that all odors are initially encoded as `objects' in the piriform cortex. Moreover, we suggest that odor perception is wholly dependent on the integrity of this memory system and that its loss severely impairs normal perception. |
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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
795 |
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| Author |
Amodio, P.; Boeckle, M.; Schnell, A.K.; Ostojic, L.; Fiorito, G.; Clayton, N.S. |
| Title |
Grow Smart and Die Young: Why Did Cephalopods Evolve Intelligence? |
Type |
Journal Article |
| Year |
2018 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol. |
| Volume |
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Issue |
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Pages |
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| Abstract |
Intelligence in large-brained vertebrates might have evolved through independent, yet similar processes based on comparable socioecological pressures and slow life histories. This convergent evolutionary route, however, cannot explain why cephalopods developed large brains and flexible behavioural repertoires: cephalopods have fast life histories and live in simple social environments. Here, we suggest that the loss of the external shell in cephalopods (i) caused a dramatic increase in predatory pressure, which in turn prevented the emergence of slow life histories, and (ii) allowed the exploitation of novel challenging niches, thus favouring the emergence of intelligence. By highlighting convergent and divergent aspects between cephalopods and large-brained vertebrates we illustrate how the evolution of intelligence might not be constrained to a single evolutionary route. |
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Elsevier |
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| ISSN |
0169-5347 |
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| Notes |
doi: 10.1016/j.tree.2018.10.010 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6508 |
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| Author |
Shettleworth, S.J. |
| Title |
Cognitive ecology: field or label? |
Type |
Journal Article |
| Year |
2000 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
15 |
Issue |
4 |
Pages |
161 |
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| Abstract |
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| Address |
Depts of Psychology and Zoology, University of Toronto, Toronto, Ontario, Canada M5S 3G3 |
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English |
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| ISSN |
0169-5347 |
ISBN |
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| Notes |
PMID:10717686 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
373 |
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| Author |
Czaran, T. |
| Title |
Game theory and evolutionary ecology: Evolutionary Games & Population Dynamics by J. Hofbauer and K. Sigmund, and Game Theory & Animal Behaviour, edited by L.A. Dugatkin and H.K. Reeve |
Type |
Journal Article |
| Year |
1999 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
14 |
Issue |
6 |
Pages |
246-247 |
| Keywords |
Game theory; Evolutionary ecology; Population dynamics; Ethology |
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Approved |
no |
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refbase @ user @ |
Serial |
485 |
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| Author |
Healy,S.; Braithwaite, V |
| Title |
Cognitive ecology: a field of substance? |
Type |
Journal Article |
| Year |
2000 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
15 |
Issue |
1 |
Pages |
22-26 |
| Keywords |
Cognitive ecology; Neuroethology; Cognition; Ecology; Evolution; Orientation mechanisms |
| Abstract |
In 1993, Les Real invented the label 'cognitive ecology'. This label was intended for work that brought cognitive science and behavioural ecology together. Real's article stressed the importance of such an approach to the understanding of behaviour. At the end of a decade in which more interdisciplinary work on behaviour has been seen than for many years, it is time to assess whether cognitive ecology is a label describing an active field. |
| Address |
Division of Biological Sciences, King's Buildings, University of Edinburgh, West Mains Road, Edinburgh, UK EH9 3JT |
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English |
Summary Language |
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0169-5347 |
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| Notes |
PMID:10603501 |
Approved |
no |
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refbase @ user @ |
Serial |
837 |
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| Author |
Sih, A.; Bell, A.; Johnson, J.C. |
| Title |
Behavioral syndromes: an ecological and evolutionary overview |
Type |
Journal Article |
| Year |
2004 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
| Volume |
19 |
Issue |
7 |
Pages |
372-378 |
| Keywords |
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| Abstract |
Recent studies suggest that populations and species often exhibit behavioral syndromes; that is, suites of correlated behaviors across situations. An example is an aggression syndrome where some individuals are more aggressive, whereas others are less aggressive across a range of situations and contexts. The existence of behavioral syndromes focuses the attention of behavioral ecologists on limited (less than optimal) behavioral plasticity and behavioral carryovers across situations, rather than on optimal plasticity in each isolated situation. Behavioral syndromes can explain behaviors that appear strikingly non-adaptive in an isolated context (e.g. inappropriately high activity when predators are present, or excessive sexual cannibalism). Behavioral syndromes can also help to explain the maintenance of individual variation in behavioral types, a phenomenon that is ubiquitous, but often ignored. Recent studies suggest that the behavioral type of an individual, population or species can have important ecological and evolutionary implications, including major effects on species distributions, on the relative tendencies of species to be invasive or to respond well to environmental change, and on speciation rates. Although most studies of behavioral syndromes to date have focused on a few organisms, mainly in the laboratory, further work on other species, particularly in the field, should yield numerous new insights. |
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no |
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Equine Behaviour @ team @ |
Serial |
2185 |
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