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| Author | Berger, J. | ||||
| Title | Wild Horses of the Great Basin: Social Competition and Population Size | Type | Book Whole | ||
| Year | 1986 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | Wildlife Behavior Ecology | ||||
Abstract  |
Editorial Reviews From Library Journal Berger begins this scholarly and absorbing treatise by discussing the natural history of the horse in general. Then, on the basis of several years of field work, he describes and details the behavior and ecology of the wild horses in the Great Basin Desert of Nevada. The purpose of the book is not, however, merely to describe natural history, but also to test quantitatively several basic ecological hypotheses. Berger has done both well, and his book will be a major source of information on North American wild horses for years to come. The book will interest specialists and graduate students primarily. It may also appeal to anyone with a strong interest in wild horses, and the remote and starkly beautiful Great Basin. Nicholas J. Volkman, Point Reyes Bird Observatory, Stinson Beach, Cal. Copyright 1986 Reed Business Information, Inc. |
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| Publisher | University of Chicago Press | Place of Publication | Chicago | Editor | |
| Language | Englisch | Summary Language | Original Title | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | 978-0226043678 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2173 | ||
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| Author | Crans, W.J.; McNelly, J.; Schulze, T.L.; Main, A. | ||||
| Title | Isolation of eastern equine encephalitis virus from Aedes sollicitans during an epizootic in southern New Jersey | Type | Journal Article | ||
| Year | 1986 | Publication | Journal of the American Mosquito Control Association | Abbreviated Journal | J Am Mosq Control Assoc |
| Volume | 2 | Issue | 1 | Pages | 68-72 |
| Keywords | Aedes/*microbiology; Alphavirus/*isolation & purification; Animals; Disease Outbreaks/veterinary; Ecology; Encephalitis Virus, Eastern Equine/*isolation & purification; Encephalomyelitis, Equine/epidemiology/transmission/veterinary; Horse Diseases/epidemiology/transmission; Horses; Insect Vectors/microbiology; New Jersey | ||||
| Abstract |
Eastern equine encephalitis virus (EEE) was isolated from the salt marsh mosquito, Aedes sollicitans, collected from coastal areas of New Jersey on 3 occasions during the late summer and fall of 1982. The isolations were made at a time when local Culiseta melanura were either undergoing a population increase or exhibiting high levels of EEE virus. Although no human cases were reported during the epizootic period, the data lend support to the hypothesis that Ae. sollicitans is capable of functioning as an epidemic vector in the coastal areas of New Jersey where human cases of EEE have been most common. | ||||
| Address | Mosquito Research and Control, Cook College, Rutgers University, New Brunswick, NJ 08903 | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 8756-971X | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:2853203 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2684 | ||
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| Author | Cynx, J.; Hulse, S.H.; Polyzois, S. | ||||
| Title | A psychophysical measure of pitch discrimination loss resulting from a frequency range constraint in European starlings (Sturnus vulgaris) | Type | Journal Article | ||
| Year | 1986 | Publication | Journal of Experimental Psychology. Animal Behavior Processes | Abbreviated Journal | J Exp Psychol Anim Behav Process |
| Volume | 12 | Issue | 4 | Pages | 394-402 |
| Keywords | Animals; *Birds; Cognition; Female; *Generalization, Stimulus; Male; *Pitch Discrimination; Psychoacoustics; Transfer (Psychology) | ||||
| Abstract |
Earlier research (Hulse & Cynx, 1985) revealed that a number of species of songbirds acquired a pitch discrimination between rising and falling sequences in an arbitrarily defined training range of frequencies, but then failed to generalize the discrimination to new frequency ranges--a frequency range constraint. The two experiments here provide a psychophysical estimate of how pitch discrimination deteriorated in one species as sequences were stepped out from the training range. The gradient showing loss of discrimination was much sharper than would have been anticipated by stimulus generalization or the training procedures, and appeared unaffected by the removal of rising and falling frequency information. The frequency range constraint and its psychophysical properties have implications both for the analysis of birdsong and the study of animal cognition. | ||||
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| Language | English | Summary Language | Original Title | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0097-7403 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:3772303 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2786 | ||
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| Author | Polley, L. | ||||
| Title | Strongylid parasites of horses: experimental ecology of the free-living stages on the Canadian prairie | Type | Journal Article | ||
| Year | 1986 | Publication | American Journal of Veterinary Research | Abbreviated Journal | Am J Vet Res |
| Volume | 47 | Issue | 8 | Pages | 1686-1693 |
| Keywords | Animals; Canada; Ecology; Feces; Female; Horse Diseases/*epidemiology/parasitology; Horses; Larva; Ovum/cytology; Seasons; Strongyloides/isolation & purification; Strongyloidiasis/epidemiology/*veterinary | ||||
| Abstract |
Each month for a 1-year period (October through September), equine fecal masses containing eggs of strongylid nematodes were placed outdoors on small grass plots in Saskatchewan, Canada. Thereafter, feces and grass from the plots were sampled after intervals of 1 week or longer, and the strongylid eggs and larvae recovered were counted. These observations were made over a 2-year period. Development of eggs to infective larvae occurred in all experiments, except those established in October, December, and January. Infective larvae from experiments set up in April through September survived that winter. During the summer, there was a gradual build up of infective larvae in the fecal masses, which reached a peak in August and September and then decreased into the winter. These results are discussed in the context of the control of strongylid parasites of horses on the Canadian prairie and in other areas of the world with a similar climate and similar horse management practices. | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0002-9645 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:3752676 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2682 | ||
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| Author | Eccles, T.R.; Shackleton, D.M. | ||||
| Title | Correlates and consequences of social status in female bighorn sheep | Type | Journal Article | ||
| Year | 1986 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 34 | Issue | 5 | Pages | 1392-1401 |
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| Abstract |
Dominance-subordinance relationships among a captive group of adule bighorn sheep (Ovis canadensis californiana) were studied from May 1977 to December 1978. Social interactions between females were brief in duration and infrequent. Although a dominance hierarchy was evident among the females, it was not linear. Horn length and body weight were not consistently correlated with social status. The highest ranking females were the most aggressive individuals, initiating more agonistic interactions than subordinates. Females with high social status did not have higher quality diets, lower activity costs, or higher productivity than low ranking females. | ||||
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| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 753 | ||
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| Author | Thouless, C.R.; Guinness, F.E. | ||||
| Title | Conflict between red deer hinds: the winner always wins | Type | Journal Article | ||
| Year | 1986 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 34 | Issue | 4 | Pages | 1166-1171 |
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| Abstract |
Dominance relations between free-living, female red deer (hinds) (Cervus elaphus L.) on the Isle of Rhum, Scotland, were investigated. Most interactions were won by the older hind of the pair and this was the case even when both individuals had reached full body size. The younger hind was more likely to be the winner if the conflict was escalated or if the two hinds were strangers, in which case escalation was more frequent than usual. When outside their normal home range, older hinds were much more likely to lose, and younger ones more likely to win, than usual. These results can be best explained by the hinds using previous experience as a cue for conventional resolution of conflict, with the result that dominance relationships established early in life are perpetuated. No such cue is available if the hinds have not previously met. | ||||
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 868 | ||
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| Author | Keiper, R.R.; Sambraus, H.H. | ||||
| Title | The stability of equine dominance hierarchies and the effects of kinship, proximity and foaling status on hierarchy rank | Type | Journal Article | ||
| Year | 1986 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 16 | Issue | 2 | Pages | 121-130 |
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| Abstract |
Dominance hierarchies were determined in four bands of feral horses living on Assateague Island. The bands varied in size from 10 to 16 horses, and consisted of one stallion, several mares and their offspring. The animals ranged in age from less than 1 to over 18 years. Field observation of all social interactions during the summer of 1981 was used to determine dominance. 1981 hierarchies for three of the bands were compared with hierarchies determined for the same bands in 1978, and showed that hierarchies change over time. Age was significantly correlated with rank. Mares with foals did not rank any higher in the hierarchies than mares without foals. Kinship did not appear to have an effect on dominance rank either, since neither juvenile nor adult offspring ranks correlated with the ranks of their mothers. The band stallion was not the highest-ranking animal of any band, but the location of the stallion peripheral to the main body of the band, the nature of his interactions with band members, and his length of residence in the band may have contributed to his low rank. | ||||
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| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 683 | ||
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| Author | Berger, J | ||||
| Title | Wild horses of the Great Basin | Type | Book Whole | ||
| Year | 1986 | Publication | University of Chicago Press, | Abbreviated Journal | Univ. of Chic. Press |
| Volume | Issue | Pages | |||
| Keywords | wildlife equine behaviour ecology | ||||
| Abstract |
Describes the behavior of wild horses living in the Great Basin Desert of Nevada and discusses the role of the horses in the area's ecology | ||||
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| Publisher | University of Chicago Press | Place of Publication | Chicago | Editor | |
| Language | Summary Language | Original Title | |||
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| Series Volume | Series Issue | Edition | |||
| ISSN | ISBN | 0-226-04367-3 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 659 | ||
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| Author | Cheney, D.; Seyfarth, R.; Smuts, B. | ||||
| Title | Social relationships and social cognition in nonhuman primates | Type | Journal Article | ||
| Year | 1986 | Publication | Science (New York, N.Y.) | Abbreviated Journal | Science |
| Volume | 234 | Issue | 4782 | Pages | 1361-1366 |
| Keywords | Animals; *Cognition; Female; Male; Pair Bond; Primates/*physiology; *Social Behavior; Social Dominance; Social Perception | ||||
| Abstract |
Complex social relationships among nonhuman primates appear to contribute to individual reproductive success. Experiments with and behavioral observations of natural populations suggest that sophisticated cognitive mechanisms may underlie primate social relationships. Similar capacities are usually less apparent in the nonsocial realm, supporting the view that at least some aspects of primate intelligence evolved to solve the challenges of interacting with conspecifics. | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0036-8075 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:3538419 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 349 | ||
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| Author | Zentall, T.R.; Jackson-Smith, P.; Jagielo, J.A.; Nallan, G.B. | ||||
| Title | Categorical shape and color coding by pigeons | Type | Journal Article | ||
| Year | 1986 | Publication | Journal of experimental psychology. Animal behavior processes | Abbreviated Journal | J Exp Psychol Anim Behav Process |
| Volume | 12 | Issue | 2 | Pages | 153-159 |
| Keywords | Animals; *Color Perception; Columbidae; *Discrimination Learning; *Form Perception; *Generalization, Stimulus; Psychophysics; Transfer (Psychology) | ||||
| Abstract |
Categorical coding is the tendency to respond similarly to discriminated stimuli. Past research indicates that pigeons can categorize colors according to at least three spectral regions. Two present experiments assessed the categorical coding of shapes and the existence of a higher order color category (all colors). Pigeons were trained on two independent tasks (matching-to-sample, and oddity-from-sample). One task involved red and a plus sign, the other a circle and green. On test trials one of the two comparison stimuli from one task was replaced by one of the stimuli from the other task. Differential performance based on which of the two stimuli from the other task was introduced suggested categorical coding rules. In Experiment 1 evidence for the categorical coding of sample shapes was found. Categorical color coding was also found; however, it was the comparison stimuli rather than the samples that were categorically coded. Experiment 2 replicated the categorical shape sample effect and ruled out the possibility that the particular colors used were responsible for the categorical coding of comparison stimuli. Overall, the results indicate that pigeons can develop categorical rules involving shapes and colors and that the color categories can be hierarchical. | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0097-7403 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:3701264 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 262 | ||
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