neotropical primates

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Neotropical Primates

Author : Paul G. Heltne
ISBN : NAP:13214
Genre : Science
File Size : 31. 41 MB
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Neotropical Primates

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ISBN : UTEXAS:059172147540402
Genre :
File Size : 72. 46 MB
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Adaptive Radiations Of Neotropical Primates

Author : Marilyn A. Norconk
ISBN : 9781441987709
Genre : Science
File Size : 61. 52 MB
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This collection of 29 papers grew out of a symposium entitled "Setting the Future Agenda for Neotropical Primates. " The symposium was held at the Department of Zoo logical Research, National Zoological Park, Washington D. C. , on February 26-27, 1994, and was sponsored by the Wenner-Gren Foundation for Anthropological Research, Smith sonian Institution, and Friends of the National Zoo. We put the symposium together with two objectives: to honor Warren G. Kinzey for his contributions to the growing field of platyrrhine studies and to provide researchers who work in the Neotropics with the oppor tunity to discuss recent developments, to identify areas of research that require additional study, and especially to help guide the next generation of researchers. The symposium provided the opportunity to recognize Warren as a mentor and col laborator to the contribution of the study of platyrrhines. Contributions to the book were expanded in order to provide a more comprehensive view of platyrrhine evolution and ecology, to emphasize the interdisciplinary nature of many of these studies, and to high light the central role that New World monkeys play in advancing primatology. If this vol ume were to require major revisions after just one more decade of research, that would be a fitting testament to Warren's enthusiasm and his drive to continually update the field with new ideas and methods. Tributes to Warren and a list of his publications have been published elsewhere (Norconk, 1994, 1996; Rosenberger 1994, 1995).

Selective Pressures Influencing Color Vision In Neotropical Primates

Author : Eric S. Seemiller
ISBN : OCLC:778459480
Genre : Color vision
File Size : 65. 19 MB
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Over the last two decades, the field of primate vision research has turned its attention to color-vision, or trichromacy. Because there is variability in the trichromatic phenotype, especially in Neotropical primates, researchers have proposed a number of selective pressures that might influence trichromacy. Here, I analyzed the role fruit foraging has on trichromacy. A short experiment was conducted on captive primates at the Cleveland Metroparks Zoo in which they were allowed to forage on cereal that differed only in color. Cereal was used that possessed many of the same qualities as fruit. I found that neither trichromatic nor dichromatic primates showed any strong preference for either red or green cereal. This suggests that leaf-eating likely has a more prominent role in the selection of trichromatic phenotypes. In a second experiment, one which aimed to assess the drawbacks of primate color-vision, a study was conducted at La Pacifica, Costa Rica. I hypothesized that because trichromacy loses efficiency in low-light settings, wild trichromatic primates would feed on the periphery of tree in order to increase ambient light. This was supported, as wild primates fed on the outer two layers of feeding trees more often than predicted by chance. This demonstrates that the drawbacks of trichromacy are not trivial and require compensation. Therefore, there is likely strong positive selection favoring trichromatic phenotypes.

Adaptive Radiations Of Neotropical Primates

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ISBN : 1441987711
Genre :
File Size : 26. 9 MB
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Reproduction In New World Primates

Author : J.P. Hearn
ISBN : 9789400973220
Genre : Medical
File Size : 47. 91 MB
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The New World primates are becoming widely used in scientific and medical work in fields from anthropology to zoology, behaviour to urology. They have unique attributes for studies in cancer, infectious diseases, genetics, virology and reproduction. However, it is only now that their reproductive physiology is being clarified in any depth and this book is a first synthesis of that knowledge. The nine authors involved in this project have presented an up to date account of the major New World species used in biological and medical science. In addition to their distribution and conservation in the wild, essential biological data from laboratory studies are presented on reproductive cycles, gestation length, seasonal breeding, puberty and other factors. The major applications of these species in research are explored. Whenever possible, research workers should steer away from using endangered species in their studies. The New World monkeys used in research in any numbers are still fairly common ~n the wild, yet their greatest advantages are ~n their smalle size and high fecundity. This makes possible the establishment of self sustaining captive breeding colonies at a fraction of the time and cost necessary for the more conventional Old World laboratory primates. Consequently the drain on wild stocks need not be extensive as only breeding nuclei should be necessary.

Polyspecific Association And Interspecific Communication Between Two Neotropical Primates

Author : Tammy L. Windfelder
ISBN : OCLC:38842510
Genre : Animal communication
File Size : 78. 1 MB
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The Psychological Well Being Of Nonhuman Primates

Author : National Research Council
ISBN : 9780309176507
Genre : Science
File Size : 79. 61 MB
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A 1985 amendment to the Animal Welfare Act requires those who keep nonhuman primates to develop and follow appropriate plans for promoting the animals' psychological well-being. The amendment, however, provides few specifics. The Psychological Well-Being of Nonhuman Primates recommends practical approaches to meeting those requirements. It focuses on what is known about the psychological needs of primates and makes suggestions for assessing and promoting their well-being. This volume examines the elements of an effective care program--social companionship, opportunities for species-typical activity, housing and sanitation, and daily care routines--and provides a helpful checklist for designing a plan for promoting psychological well-being. The book provides a wealth of specific and useful information about the psychological attributes and needs of the most widely used and exhibited nonhuman primates. Readable and well-organized, it will be welcomed by animal care and use committees, facilities administrators, enforcement inspectors, animal advocates, researchers, veterinarians, and caretakers.

High Altitude Primates

Author : Nanda B. Grow
ISBN : 9781461481751
Genre : Nature
File Size : 26. 30 MB
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The basic goal of the volume is to compile the most up to date research on how high altitude affects the behavior, ecology, evolution and conservation status of primates, especially in comparison to lowland populations. Historically, the majority of primate studies have focused on lowland populations. However, as the lowlands have been disappearing, more and more primatologists have begun studying populations located in higher altitudes. High altitude populations are important not only because of their uniqueness, but also because they highlight the range of primate adaptability and the complex variables that are involved in primate evolution. These populations are good examples of how geographic scales result in diversification and/or speciation. Yet, there have been very few papers addressing how this high altitude environment affects the behavior, ecology, and conservation status of these primates. ‚Äč

Primate Reproductive Aging

Author : Sylvia Atsalis
ISBN : 9783805585224
Genre : Medical
File Size : 90. 50 MB
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Due to the unusually long post-reproductive lifespan characteristic of human females, primate reproductive aging receives a great deal of attention. Promoting and supporting discussion on comparative analyses of aging among diverse primate species, including humans, this publication highlights current research on female primate reproductive aging from both institutional-based as well as field studies. The contributions highlight the complex interaction between somatic and reproductive senescence. The latter is broadly manifested along a cross-taxonomic evolutionary continuum, with humans at one end of the spectrum exhibiting the lengthiest post-reproductive lifespan.Primatologists, anthropologists, evolutionary biologists, animal behaviorists, endocrinologists, neuroscientists, and all scholars interested in aging and reproduction will find this book a valuable source of information. Considering the increasing number of geriatric primates held in captivity, it will also be helpful to animal care professionals, as it calls attention to the special care that primates may require in order to monitor, maintain and improve their health as they age.

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