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Author (down) Maddock, L.
Title The “migration” and grazing succession Type Book Chapter
Year 1995 Publication Serengeti: Dynamics of an Ecosystem Abbreviated Journal
Volume Issue Pages
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Abstract Editorial Reviews

Book Description

Originally published in 1979, Serengeti: Dynamics of an Ecosystem was immediately recognized as the first synthesis of the patterns and processes of a major ecosystem. A prototype for initial studies, Serengeti contains baseline data for further and comparative studies of ecosystems. The new Serengeti II builds on the information presented originally in Serengeti; both books together offer essential information and insights for ecology and conservation biology.
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Corporate Author Thesis
Publisher University Of Chicago Press Place of Publication Chicago Editor Sinclair, A.R.E. ; Norton-Griffiths, A.R.E.
Language Summary Language Original Title Serengeti: Dynamics of an Ecosystem
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN 978-0226760292 Medium
Area Expedition Conference
Notes Approved no
Call Number Equine Behaviour @ team @ Serial 2343
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Author (down) Loveland, K.A.
Title Self-recognition in the bottlenose dolphin: ecological considerations Type Journal Article
Year 1995 Publication Consciousness and Cognition Abbreviated Journal Conscious Cogn
Volume 4 Issue 2 Pages 254-257
Keywords Animals; Attention; *Awareness; Body Image; Dolphins/*psychology; Exploratory Behavior; Female; Male; *Self Concept; *Social Environment; Species Specificity; Television; *Visual Perception
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Address Department of Psychiatry and Behavioral Sciences, University of Texas Medical School, Houston 77025, USA
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Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1053-8100 ISBN Medium
Area Expedition Conference
Notes PMID:8521267 Approved no
Call Number Equine Behaviour @ team @ Serial 4161
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Author (down) Limongelli L; Boysen ST; Visalberghi E
Title Comprehension of cause-effect relations in a tool-using task by chimpanzees (Pan troglodytes) Type Journal Article
Year 1995 Publication J. Comp. Psychol. Abbreviated Journal
Volume 109 Issue Pages 18
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3015
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Author (down) Lefebvre, L.
Title Ecological correlates of social learning: problems and solutions for the comparative method Type Journal Article
Year 1995 Publication Behavioural Processes Abbreviated Journal Behav. Process.
Volume 35 Issue 1-3 Pages 163-171
Keywords Adaptive specialization; Social learning; Comparative method
Abstract Interspecific variation in learning and cognition is often accounted for by adaptive specialization, an ecological framework where variation between species in the environmental problems they face is thought to select for quantitatively and/or qualitatively different abilities. Adaptive specialization theory relies on the comparative method for testing its hypotheses and assumes a naturally selected basis for the predicted differences. This review examines social learning as a specialization to group-living and scramble feeding competition. It points out one important problem with current studies in the area, the lack of quantitative controls for confounding variables that may cause type 1 or 2 error in comparative tests. A linear regression technique is proposed to measure and remove interspecific differences on control tests for which there is no predicted adaptive specialization; as in other areas of comparative biology, the adaptive prediction is then made on the residual deviation from the regression of these confounding variables. Examples are given from research on opportunistic Columbids, the group-living feral pigeon Columbia livia, and the territorial Zenaida dove, Zenaida aurita.
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Notes Approved no
Call Number refbase @ user @ Serial 843
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Author (down) Laughlin N.K.; Lasky R.E.; Luck M.L.; Kluender K.R.; Hecox K.E.
Title Early lead exposure alters behavioral and electrophysiological indices of auditory processing in the rhesus monkey Type Journal Article
Year 1995 Publication Neurotoxicology and Teratology Abbreviated Journal
Volume 17 Issue Pages 374-374
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Notes Approved no
Call Number refbase @ user @ Serial 3456
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Author (down) Krebs, J.R.; Clayton, N.S.; Hampton, R.R.; Shettleworth, S.J.
Title Effects of photoperiod on food-storing and the hippocampus in birds Type Journal Article
Year 1995 Publication Neuroreport Abbreviated Journal Neuroreport
Volume 6 Issue 12 Pages 1701-1704
Keywords Animals; Birds; Eating/*physiology; Female; Hippocampus/*physiology; Light; Male; *Photoperiod; Seasons; Telencephalon/physiology; Time Factors
Abstract Birds that store food have a relatively large hippocampus compared to non-storing species. The hippocampus shows seasonal differences in neurogenesis and volume in black-capped chikadees (Parus atricapillus) taken from the wild at different times of year. We compared hippocampal volumes in black-capped chickadees captured at the same time but differing in food-storing behaviour because of manipulations of photoperiod in the laboratory. Differences in food-storing behaviour were not accompanied by differences in the volume of the hippocampus. Hippocampal volumes also did not differ between two groups of a non-food-storing control species, house sparrows (Passer domesticus), exposed to the same conditions as the chickadees.
Address Edward Grey Institute of Field Ornithology, Department of Zoology, Oxford, UK
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Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0959-4965 ISBN Medium
Area Expedition Conference
Notes PMID:8527745 Approved no
Call Number refbase @ user @ Serial 378
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Author (down) Koenen, E.P.C.; van Veldhuizen, A.E.; Brascamp, E.W.
Title Genetic parameters of linear scored conformation traits and their relation to dressage and show-jumping performance in the Dutch Warmblood Riding Horse population Type Journal Article
Year 1995 Publication Livestock Production Science Abbreviated Journal
Volume 43 Issue 1 Pages 85-94
Keywords Horse; Heritability; Conformation; Dressage; Show jumping
Abstract In this study genetic parameters of linear scored conformation traits of the Dutch Warmblood Riding Horse were estimated in relation to performance in competition. Observations on 10 665 mares were analyzed with an animal model including the fixed effects age, classifier, location and percentage of thoroughbred. Using restricted maximum likelihood algorithms, heritabilities of 26 linear scored conformation traits were estimated in the range 0.09-0.28. Several conformation traits had high up to very high mutual genetic correlations. Competition results of 3476 horses with performance in dressage and 3220 horses with performance in show-jumping were linked to the conformation data to estimate the genetic relationship between conformation and performance in competition. The model for the evaluation of the competition results included the fixed effects riding club, age and sex. Estimated heritabilities for dressage and show-jumping were 0.17 +/- 0.05 and 0.19 +/- 0.04, respectively. Genetic correlations between conformation and performance were low to moderate. The length of the neck, length and position of the shoulders, shape and length of croup and muscularity of the haunches had a significant moderate genetic correlation with dressage. Muscularity of the neck, shape of the croup and muscularity of the haunches had a significant genetic correlation with show-jumping. The results indicate that, due to the low genetic correlations with performance traits, indirect selection for performance using conformation results is of limited value.
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Notes Approved no
Call Number refbase @ user @ Serial 3961
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Author (down) Kiltie, R.A.; Fan, J.; Laine, A.F.
Title A wavelet-based metric for visual texture discrimination with applications in evolutionary ecology Type Journal Article
Year 1995 Publication Mathematical Biosciences Abbreviated Journal Math Biosci
Volume 126 Issue 1 Pages 21-39
Keywords Animals; Carnivora; *Ecology; Equidae; *Evolution; Humans; Mathematics; Models, Biological; Moths; *Pattern Recognition, Visual; Pigmentation
Abstract Much work on natural and sexual selection is concerned with the conspicuousness of visual patterns (textures) on animal and plant surfaces. Previous attempts by evolutionary biologists to quantify apparency of such textures have involved subjective estimates of conspicuousness or statistical analyses based on transect samples. We present a method based on wavelet analysis that avoids subjectivity and that uses more of the information in image textures than transects do. Like the human visual system for texture discrimination, and probably like that of other vertebrates, this method is based on localized analysis of orientation and frequency components of the patterns composing visual textures. As examples of the metric's utility, we present analyses of crypsis for tigers, zebras, and peppered moth morphs.
Address Department of Zoology, University of Florida, Gainesville
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Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0025-5564 ISBN Medium
Area Expedition Conference
Notes PMID:7696817 Approved no
Call Number Equine Behaviour @ team @ Serial 2660
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Author (down) Keverne, E.B.
Title Olfactory learning Type Journal Article
Year 1995 Publication Current Opinion in Neurobiology Abbreviated Journal Curr. Opin. Neurobiol.
Volume 5 Issue 4 Pages 482-488
Keywords olfactory perception mammals
Abstract Unravelling the mechanisms of learning and memory can, and should, be tackled at many levels. Discovery of the huge family of odourant receptor genes provided olfaction with `molecular' respectability similar to that afforded to the visual system. Consequently, molecular studies have dominated the olfactory literature this past year, even to the point of providing a molecular basis of olfactory perception. Needless to say, the molecular approach favours a `hard-wired' system; however, other results suggest that flexibility in the olfactory system provides for certain adaptations that are crucial to the biological needs of mammals.
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Notes Approved no
Call Number refbase @ user @ Serial 798
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Author (down) Kasuya,Eiiti
Title A randomization test for linearity of dominance hierarchies Type Journal Article
Year 1995 Publication Journal of Ethology Abbreviated Journal J. Ethol.
Volume 13 Issue 1 Pages 137-140
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 4288
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