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Author (up) 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
Keywords
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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Call Number Equine Behaviour @ team @ Serial 4993
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Author (up) 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 (up) 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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Call Number Equine Behaviour @ team @ Serial 5326
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Author (up) 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
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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Notes PMID:10717686 Approved no
Call Number refbase @ user @ Serial 373
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Author (up) 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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Call Number Equine Behaviour @ team @ Serial 2185
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Author (up) Taberlet, P.; Waits, L.P.; Luikart, G.
Title Noninvasive genetic sampling: look before you leap Type Journal Article
Year 1999 Publication Trends in Ecology & Evolution Abbreviated Journal Trends Ecol. Evol
Volume 14 Issue 8 Pages 323-327
Keywords Hairs; Feces; Feathers; Allelic dropout; Individual identification; Conservation genetics; Behavioural ecology; Pilot study; Microsatellites; Probability of identity
Abstract Noninvasive sampling allows genetic studies of free-ranging animals without the need to capture or even observe them, and thus allows questions to be addressed that cannot be answered using conventional methods. Initially, this sampling strategy promised to exploit fully the existing DNA-based technology for studies in ethology, conservation biology and population genetics. However, recent work now indicates the need for a more cautious approach, which includes quantifying the genotyping error rate. Despite this, many of the difficulties of noninvasive sampling will probably be overcome with improved methodology.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 6573
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Author (up) Tibbetts, E.A.; Dale, J.
Title Individual recognition: it is good to be different Type Journal Article
Year 2007 Publication Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol
Volume 22 Issue 10 Pages 529-537
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Abstract Individual recognition (IR) behavior has been widely studied, uncovering spectacular recognition abilities across a range of taxa and modalities. Most studies of IR focus on the recognizer (receiver). These studies typically explore whether a species is capable of IR, the cues that are used for recognition and the specializations that receivers use to facilitate recognition. However, relatively little research has explored the other half of the communication equation: the individual being recognized (signaler). Provided there is a benefit to being accurately identified, signalers are expected to actively broadcast their identity with distinctive cues. Considering the prevalence of IR, there are probably widespread benefits associated with distinctiveness. As a result, selection for traits that reveal individual identity might represent an important and underappreciated selective force contributing to the evolution and maintenance of genetic polymorphisms.
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Call Number Equine Behaviour @ team @ Serial 4572
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Author (up) Wilson, S. D.; Clark, A. B.; Coleman, K.; Dearstyne, T.
Title Shyness and boldness in humans and other animals Type Journal Article
Year 1994 Publication Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol
Volume 9 Issue 11 Pages 442-446
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Abstract The shy-bold continuum is a fundamental axis of behavioral variation in humans and at least some other species, but its taxonomic distribution and evolutionary implications are unknown. Models of optimal risk, density- or frequency-dependent selection, and phenotypic plasticity can provide a theoretical framework for understanding shyness and boldness as a product of natural selection. We sketch this framework and review the few empirical studies of shyness and boldness in natural populations. The study of shyness and boldness adds an interesting new dimension to behavioral ecology by focusing on the nature of continuous behavioral variation that exists within the familiar categories of age, sex and size.
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Call Number Equine Behaviour @ team @ Serial 5161
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