Campus Access Only
All rights reserved. This publication is intended for use solely by faculty, students, and staff of University of the Pacific. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, now known or later developed, including but not limited to photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author or the publisher.
Date of Award
Thesis - Pacific Access Restricted
Master of Science (M.S.)
First Committee Member
Second Committee Member
Steven C. Anderson
The colobine monkey Simias concolor, endemic to the Mentawai Islands, West Sumatra, Indonesia, was studied on two is l ets adjacent to South Pagai. Habitat on these islands was observed and described, and observations were made there from September to November 1987. Group sizes ranged from 2 to >10. Population density may vary with habitat structure. Social groups appear to include one or more females. Contrary to some reports, male and female animals are sexually dimorphic. Inability to identify specific animals or groups prevented mapping of home range areas.
Observations are correlated with what has been previously reported about this animal. Future research could be focused on further studies of habitat use and ranging behavior, determination of Simias population densities in possible reserve areas, interspecific interactions, and dietary composition. Without such studies, it is unlikely that adequate management plans can be devised.
Prospects for the conservation of this species are reviewed. Suggestions which have been advanced to promote its conservation are also evaluated. The fate of this animal is strongly linked to local, provincial, and national cultural and developmental factors. These include forestry operations, agriculture, hunting, population growth, and transmigration plans.
Pohlman, Douglas W.. (1989). Preliminary observations of the Mentawai snub-nosed langur (Simias concolor) on islets in the south Pagai region, Mentawai, West Sumatra : habitat, behavior, and conservation : a thesis .... University of the Pacific, Thesis - Pacific Access Restricted. https://scholarlycommons.pacific.edu/uop_etds/2186
To access this thesis/dissertation you must have a valid pacific.edu email address and log-in to Scholarly Commons.Find in PacificSearch