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16 results

  • Introduction
  • from Part I - GPS for Primatologists
  • Edited by Francine L. Dolins, University of Michigan, Dearborn, Christopher A. Shaffer, Grand Valley State University, Michigan, Leila M. Porter, Northern Illinois University, Jena R. Hickey, University of Georgia, Nathan P. Nibbelink, University of Georgia
  • Book: Spatial Analysis in Field Primatology
  • Published online: 29 January 2021
  • Print publication: 18 February 2021, pp 9-13
  • View extract

    Summary

    Over the last two decades, technological advances in GPS (global positioning devices) and GIS (global information systems) have allowed primatologists to dramatically increase the quantity of spatial location data they can gather in the field, and the complexity of the analyses they can perform on these data. Prior to 15 years ago, GPS units did not function well in remote locations and/or under dense foliage, thus they were useless for most field primatologists. In contrast, in the last 15 years, technological advances have made GPS devices functional across the globe and in most environments, allowing field researchers to collect detailed spatial data using this technology. In addition, increased access to and development of GIS software has allowed primatologists around the world to perform complex analyses of these data.

  • 11 - Finding Fruit in a Tropical Rainforest
  • from Part II - GIS Analysis in Fine-Scale Space
  • Edited by Francine L. Dolins, University of Michigan, Dearborn, Christopher A. Shaffer, Grand Valley State University, Michigan, Leila M. Porter, Northern Illinois University, Jena R. Hickey, University of Georgia, Nathan P. Nibbelink, University of Georgia
  • Book: Spatial Analysis in Field Primatology
  • Published online: 29 January 2021
  • Print publication: 18 February 2021, pp 225-246
  • View extract

    Summary

    Tamarins and chimpanzees differ in many aspects of their behavior, biology, and evolutionary history; however, both primates are heavily dependent on a diet of ripe fruits during all months of the year (reviewed in Digby et al. 2011; Stumpf 2011). In addition, previous research on cognition in tamarins and chimpanzees indicates that individuals retain spatial information concerning the location of many feeding sites (e.g., Garber 2000; Janmaat et al. 2013a; Normand et al. 2009). Since primates show a high level of site fidelity (Janmaat et al. 2009) and commonly rely on sessile food sources that are revisited many times over a limited part of the year (such as termite nests and trees producing fruits, leaves, flowers, and/or exudates), one might expect foragers to reuse a limited set of travel routes, return to previously visited feeding sites, and search for new food patches in locations nearby current feeding sites.

Spatial Analysis in Field Primatology
  • Spatial Analysis in Field Primatology
  • Applying GIS at Varying Scales
  • Edited by Francine L. Dolins, Christopher A. Shaffer, Leila M. Porter, Jena R. Hickey, Nathan P. Nibbelink
  • Published online: 29 January 2021
  • Print publication: 18 February 2021
  • View description
    From foraging patterns in a single tree to social interactions across a home range, how primates use space is a key question in the field of primate behavioral ecology. Drawing on the latest advances in spatial analysis tools, this book offers practical guidance on applying geographic information systems (GIS) to central questions in primatology. An initial methodological section discusses niche modelling, home range analysis and agent-based modelling, with a focus on remote data collection. Research-based chapters demonstrate how ecologists apply this technology to a suite of topics including: calculating the intensity of use of both range and travel routes, assessing the impacts of logging, mining and hunting, and informing conservation strategies.
  • Mycophagy among Primates
  • AMY M. HANSON, KATHIE T. HODGE, LEILA M. PORTER
  • Journal: Mycologist / Volume 17 / Issue 1 / February 2003
  • Published online by Cambridge University Press: 03 December 2003, pp. 6-10
  • Print publication: February 2003
  • View abstract

    The majority of the 22 primate species known to eat fungi spend less than 5% of their feeding time doing so. The Goeldi's monkey (Callimico goeldii), a small South American primate, devotes up to 63% of its feeding time to the consumption of Auricularia auricula, A. mesenterica, Ascopolyporus polyporoides and A. polychrous. This may be as much as 6.1kg/animal/year of fresh weight of fungus consumed by an animal weighing half a kilogram; in comparison, the average person in the U.S.A. consumes 1.9 kg/person/year of fresh weight of mushrooms. The nutritional benefits of mycophagy appear to be relatively few, but need to be investigated further. Mycophagy by Goeldi's monkeys may be a strategy for reducing feeding competition during the dry season and likely affects the monkeys' home range size and distribution pattern.