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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. |
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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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| Publisher | Elsevier | Place of Publication | Editor | ||
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| ISSN | 0169-5347 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | doi: 10.1016/j.tree.2018.10.010 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 6508 | ||
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| Author |
Connor, R.C.; Mann, J.; Tyack, P.L.; Whitehead, H. | ||||
| Title | Social evolution in toothed whales | Type | Journal Article | ||
| Year | 1998 | Publication | Trends in Ecology & Evolution | Abbreviated Journal | Trends. Ecol. Evol |
| Volume | 13 | Issue | 6 | Pages | 228-232 |
| Keywords | odontocetes; toothed whales; social evolution; communication; bottlenose dolphins; sperm whales; long-term studies; foraging | ||||
| Abstract | Two contrasting results emerge from comparisons of the social systems of several odontocetes with terrestrial mammals. Researchers have identified remarkable convergence in prominent features of the social systems of odontocetes such as the sperm whale and bottlenose dolphin with a few well-known terrestrial mammals such as the elephant and chimpanzee. In contrast, studies on killer whales and Baird's beaked whale reveal novel social solutions to aquatic living. The combination of convergent and novel features in odontocete social systems promise a more general understanding of the ecological determinants of social systems in both terrestrial and aquatic habitats, as well as the relationship between relative brain size and social evolution. | ||||
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| ISSN | 0169-5347 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4789 | ||
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| Author |
Creel, S. | ||||
| Title | Social dominance and stress hormones | Type | Journal Article | ||
| Year | 2001 | Publication | Trends in Ecology & Evolution | Abbreviated Journal | Trends. Ecol. Evol |
| Volume | 16 | Issue | 9 | Pages | 491-497 |
| Keywords | Dominance; rank; stress; glucocorticoids; cooperative breeding; sociality; behavioural endocrinology; mammals | ||||
| Abstract | In most cooperatively breeding birds and mammals, reproductive rates are lower for social subordinates than for dominants, and it is common for reproduction in subordinates to be completely suppressed. Early research conducted in captivity showed that losing fights can increase glucocorticoid (GC) secretion, a general response to stress. Because GCs can suppress reproduction, it has been widely argued that chronic stress might underlie reproductive suppression of social subordinates in cooperative breeders. Contradicting this hypothesis, recent studies of cooperative breeders in the wild show that dominant individuals have elevated GCs more often than do subordinates. The findings that elevated GCs can be a consequence of subordination or a cost of dominance complicate the conventional view of social stress, with broad ramifications for the evolution of dominance and reproductive suppression. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4072 | ||
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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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| Notes | Approved | no | |||
| Call Number | 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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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0169-5347 | ISBN | Medium | ||
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| Notes | PMID:10603501 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 837 | ||
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| Author |
Noë, R.; Hammerstein, P. | ||||
| Title | Biological markets | Type | Journal Article | ||
| Year | 1995 | Publication | Trends in Ecology & Evolution | Abbreviated Journal | Trends. Ecol. Evol |
| Volume | 10 | Issue | 8 | Pages | 336-339 |
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| Abstract | In biological markets, two classes of traders exchange commodities to their mutual benefit. Characteristics of markets are: competition within trader classes by contest or outbidding; preference for partners offering the highest value; and conflicts over the exchange value of commodities. Biological markets are currently studied under at least three different headings: sexual selection, intraspecific cooperation and interspecific mutualism. The time is ripe for the development of game theoretic models that describe the common core of biological markets and integrate existing knowledge from the separate fields. | ||||
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| ISSN | 0169-5347 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4993 | ||
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| Author |
Purvis, A. | ||||
| Title | The h index: playing the numbers game | Type | Journal Article | ||
| Year | 2006 | Publication | Trends in Ecology & Evolution | Abbreviated Journal | Trends. Ecol. Evol |
| Volume | 21 | Issue | 8 | Pages | 422-422 |
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| Abstract | Article Outline References The ‘h index’ was developed recently as a measure of research performance [1]: a researcher's h is the number of his or her papers that have been cited at least h times. In their thoughtful critique of the index, Kelly and Jennions [2] point out many ways in which h is no better than ‘traditional’ bibliometrics, such as total citation counts. However, there is one way in which, for researchers, it could be very much better, especially if (as Hirsch suggests [1]) it is to inform hiring and promotion decisions. The skewed nature of the distribution of citations among publications means that most researchers have several papers that nearly but not quite count. Consequently, h can be distorted much more easily than can total citation count just by finding a subtle way to cite one's own papers that are ‘bubbling under’. Incidentally, bats show broadly the same life-history allometries as other mammalian clades [3]. |
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| ISSN | 0169-5347 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5046 | ||
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| Author |
Pusey, A.E. | ||||
| Title | Sex-biased dispersal and inbreeding avoidance in birds and mammals | Type | Journal Article | ||
| Year | 1987 | Publication | Trends in Ecology & Evolution | Abbreviated Journal | Trends. Ecol. Evol |
| Volume | 2 | Issue | 10 | Pages | 295-299 |
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| Abstract | Sex differences in dispersal distance are widespread in birds and mammals, but the predominantly dispersing sex differs consistently between the classes. There has been persistent debate over the relative importance of two factors -- intrasexual competition and inbreeding avoidance -- in producing sex-biased dispersal, and over the sources of the difference in dispersal patterns between the two classes. Recent studies cast new light on these questions. | ||||
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| ISSN | 0169-5347 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5326 | ||
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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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| Address | Depts of Psychology and Zoology, University of Toronto, Toronto, Ontario, Canada M5S 3G3 | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0169-5347 | ISBN | Medium | ||
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| Notes | PMID:10717686 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 373 | ||
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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 |
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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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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2185 | ||
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