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Deforestation of Primate Habitat on Sumatra and Adjacent Islands, Indonesia
Primate Conservation 2017 (31): 71-82 Deforestation of Primate Habitat on Sumatra and Adjacent Islands, Indonesia Jatna Supriatna1,2, Asri A. Dwiyahreni2, Nurul Winarni2, Sri Mariati3,4 and Chris Margules2,5 ¹Department of Biology, FMIPA Universitas Indonesia, Depok, Indonesia 2Research Center for Climate Change, Universitas Indonesia, Depok, Indonesia 3Postgraduate Program, Trisakti Institute for Tourism, Pesanggrahan, Jakarta, Indonesia 4Conservation International, Indonesia 5Centre for Tropical Environmental and Sustainability Science, College of Marine and Environmental Sciences, James Cook University, Cairns, Australia Abstract: The severe declines in forest cover on Sumatra and adjacent islands have been well-documented but that has not slowed the rate of forest loss. Here we present recent data on deforestation rates and primate distribution patterns to argue, yet again, for action to avert potential extinctions of Sumatran primates in the near future. Maps of forest loss were constructed using GIS and satellite imagery. Maps of primate distributions were estimated from published studies, museum records and expert opinion, and the two were overlaid on one another. The extent of deforestation in the provinces of Sumatra between 2000 and 2012 varied from 3.74% (11,599.9 ha in Lampung) to 49.85% (1,844,804.3 ha in Riau), with the highest rates occurring in the provinces of Riau, Jambi, Bangka Belitung and South Sumatra. During that time six species lost 50% or more of their forest habitat: the Banded langur Presbytis femoralis lost 82%, the Black-and-white langur Presbytis bicolor lost 78%, the Black-crested Sumatran langur Presbytis melalophos and the Bangka slow loris Nycticebus bancanus both lost 62%, the Lar gibbon Hylobates lar lost 54%, and the Pale-thighed langur Presbytis siamensis lost 50%. -
The Role of Exposure in Conservation
Behavioral Application in Wildlife Photography: Developing a Foundation in Ecological and Behavioral Characteristics of the Zanzibar Red Colobus Monkey (Procolobus kirkii) as it Applies to the Development Exhibition Photography Matthew Jorgensen April 29, 2009 SIT: Zanzibar – Coastal Ecology and Natural Resource Management Spring 2009 Advisor: Kim Howell – UDSM Academic Director: Helen Peeks Table of Contents Acknowledgements – 3 Abstract – 4 Introduction – 4-15 • 4 - The Role of Exposure in Conservation • 5 - The Zanzibar Red Colobus (Piliocolobus kirkii) as a Conservation Symbol • 6 - Colobine Physiology and Natural History • 8 - Colobine Behavior • 8 - Physical Display (Visual Communication) • 11 - Vocal Communication • 13 - Olfactory and Tactile Communication • 14 - The Importance of Behavioral Knowledge Study Area - 15 Methodology - 15 Results - 16 Discussion – 17-30 • 17 - Success of the Exhibition • 18 - Individual Image Assessment • 28 - Final Exhibition Assessment • 29 - Behavioral Foundation and Photography Conclusion - 30 Evaluation - 31 Bibliography - 32 Appendices - 33 2 To all those who helped me along the way, I am forever in your debt. To Helen Peeks and Said Hamad Omar for a semester of advice, and for trying to make my dreams possible (despite the insurmountable odds). Ali Ali Mwinyi, for making my planning at Jozani as simple as possible, I thank you. I would like to thank Bi Ashura, for getting me settled at Jozani and ensuring my comfort during studies. Finally, I am thankful to the rangers and staff of Jozani for welcoming me into the park, for their encouragement and support of my project. To Kim Howell, for agreeing to support a project outside his area of expertise, I am eternally grateful. -
World's Most Endangered Primates
Primates in Peril The World’s 25 Most Endangered Primates 2016–2018 Edited by Christoph Schwitzer, Russell A. Mittermeier, Anthony B. Rylands, Federica Chiozza, Elizabeth A. Williamson, Elizabeth J. Macfie, Janette Wallis and Alison Cotton Illustrations by Stephen D. Nash IUCN SSC Primate Specialist Group (PSG) International Primatological Society (IPS) Conservation International (CI) Bristol Zoological Society (BZS) Published by: IUCN SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), Bristol Zoological Society (BZS) Copyright: ©2017 Conservation International All rights reserved. No part of this report may be reproduced in any form or by any means without permission in writing from the publisher. Inquiries to the publisher should be directed to the following address: Russell A. Mittermeier, Chair, IUCN SSC Primate Specialist Group, Conservation International, 2011 Crystal Drive, Suite 500, Arlington, VA 22202, USA. Citation (report): Schwitzer, C., Mittermeier, R.A., Rylands, A.B., Chiozza, F., Williamson, E.A., Macfie, E.J., Wallis, J. and Cotton, A. (eds.). 2017. Primates in Peril: The World’s 25 Most Endangered Primates 2016–2018. IUCN SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), and Bristol Zoological Society, Arlington, VA. 99 pp. Citation (species): Salmona, J., Patel, E.R., Chikhi, L. and Banks, M.A. 2017. Propithecus perrieri (Lavauden, 1931). In: C. Schwitzer, R.A. Mittermeier, A.B. Rylands, F. Chiozza, E.A. Williamson, E.J. Macfie, J. Wallis and A. Cotton (eds.), Primates in Peril: The World’s 25 Most Endangered Primates 2016–2018, pp. 40-43. IUCN SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), and Bristol Zoological Society, Arlington, VA. -
Influence of Plant and Soil Chemistry on Food Selection, Ranging Patterns, and Biomass of Colobus Guereza in Kakamega Forest, Ke
International Journal of Primatology, Vol. 28, No. 3, June 2007 (C 2007) DOI: 10.1007/s10764-006-9096-2 Influence of Plant and Soil Chemistry on Food Selection, Ranging Patterns, and Biomass of Colobus guereza in Kakamega Forest, Kenya Peter J. Fashing,1,2,3,7 Ellen S. Dierenfeld,4,5 and Christopher B. Mowry6 Received February 22, 2006; accepted May 26, 2006; Published Online May 24, 2007 Nutritional factors are among the most important influences on primate food choice. We examined the influence of macronutrients, minerals, and sec- ondary compounds on leaf choices by members of a foli-frugivorous popula- tion of eastern black-and-white colobus—or guerezas (Colobus guereza)— inhabiting the Kakamega Forest, Kenya. Macronutrients exerted a complex influence on guereza leaf choice at Kakamega. At a broad level, protein con- tent was the primary factor determining whether or not guerezas consumed specific leaf items, with eaten leaves at or above a protein threshold of ca. 14% dry matter. However, a finer grade analysis considering the selection ra- tios of only items eaten revealed that fiber played a much greater role than protein in influencing the rates at which different items were eaten relative to their abundance in the forest. Most minerals did not appear to influence leaf choice, though guerezas did exhibit strong selectivity for leaves rich in zinc. Guerezas avoided most leaves high in secondary compounds, though their top food item (Prunus africana mature leaves) contained some of the high- est condensed tannin concentrations of any leaves in their diet. Kakamega 1Department of Science and Conservation, Pittsburgh Zoo and PPG Aquarium, One Wild Place, Pittsburgh, Pennsylvania 15206. -
Olive Colobus (Procolobus Verus) Call Combinations and Ecological
Journal of Entomology and Zoology Studies 2013; 1 (6): 15-21 ISSN 2320-7078 Olive colobus (Procolobus verus) call combinations and JEZS 2013; 1 (6): 15-21 ecological parameters in Taï National Park, Côte d’Ivoire © 2013 AkiNik Publications Received 24-10-2013 Accepted: 07-11-2013 Jean-Claude Koffi BENE, Eloi Anderson BITTY, Kouame Antoine Jean-Claude Koffi BENE N’GUESSAN UFR Environnement, Université Jean Lorougnon Guédé; BP 150 Abstract Daloa Animal communication is any transfer of information on the part of one or more animals that has an Email: [email protected] effect on the current or future behavior of another animal. The ability to communicate effectively with other individuals plays a critical role in the lives of all animals and uses several signals. Eloi Anderson BITTY Acoustic communication is exceedingly abundant in nature, likely because sound can be adapted to a Centre Suisse de Recherches wide variety of environmental conditions and behavioral situations. Olive colobus monkeys produce Scientifiques en Côte d’Ivoire; 01 BP a finite number of acoustically distinct calls as part of a species-specific vocal repertoire. The call 1303 Abidjan 01 system of Olive colobus is structurally more complex because calls are assembled into higher-order Email: [email protected] level of sequences that carry specific meanings. Focal animal studies and Ad Libitum conducted in three groups of Olive colobus monkeys in Taï National Park indicate that some environmental and Kouame Antoine N’GUESSAN social parameters significantly affect the emission of different call combination types of this monkey Centre Suisse de Recherches species. Scientifiques en Côte d’Ivoire; 01 BP 1303 Abidjan 01 Email: [email protected] Keywords: Olive colobus, call combination, social parameter, environment parameter. -
Ontogeny of Positional Behavior in Captive Silvered Langurs (Trachypithecus Cristatus)
Ontogeny of Positional Behavior in Captive Silvered Langurs (Trachypithecus cristatus) A Senior Honors Thesis Presented in Partial Fulfillment of the Requirements for graduation with research distinction in Anthropological Science in the undergraduate colleges of The Ohio State University by Amy Eakins The Ohio State University March 2010 Project Advisor: Professor W. Scott McGraw, Department of Anthropology ABSTRACT Compared to most other mammalian groups, primates are known for the great diversity of positional behavior they exhibit. Their positional repertoire is not static through time, but rather changes with age. As primates age and body size increases, the manner in which animals navigate their environment responds to shifting biomechanical, nutritional, socio-behavioral and reproductive factors. In this study, I examined positional behavior in a colony of captive colobine monkeys, hypothesizing that locomotor and postural diversity will increase with age due to changing physiological and ecological processes. I predicted that as animals mature, their positional diversity will increase as they become more adept at negotiating their three- dimensional environments. I examined age effects on positional behavior in silvered langurs (Trachypithecus cristatus) housed at the Columbus Zoo. Data were collected from January – August 2009 using instantaneous focal animal sampling on a breeding group containing four adults, two juveniles, and one infant. During each scan I recorded the focal animal’s identity, maintenance activity, substrate, and postural (19 categories) or locomotor (12 categories) behavior. Chi-square tests were performed on the data set of 4504 scans. Contrary to expectations, my analyses show that the number of observed positional behaviors did not change significantly with age, although the types of behaviors observed did change. -
Piliocolobus Semlikiensis, Semliki Red Colobus
The IUCN Red List of Threatened Species™ ISSN 2307-8235 (online) IUCN 2020: T92657343A92657454 Scope(s): Global Language: English Piliocolobus semlikiensis, Semliki Red Colobus Assessment by: Maisels, F. & Ting, N. View on www.iucnredlist.org Citation: Maisels, F. & Ting, N. 2020. Piliocolobus semlikiensis. The IUCN Red List of Threatened Species 2020: e.T92657343A92657454. https://dx.doi.org/10.2305/IUCN.UK.2020- 1.RLTS.T92657343A92657454.en Copyright: © 2020 International Union for Conservation of Nature and Natural Resources Reproduction of this publication for educational or other non-commercial purposes is authorized without prior written permission from the copyright holder provided the source is fully acknowledged. Reproduction of this publication for resale, reposting or other commercial purposes is prohibited without prior written permission from the copyright holder. For further details see Terms of Use. The IUCN Red List of Threatened Species™ is produced and managed by the IUCN Global Species Programme, the IUCN Species Survival Commission (SSC) and The IUCN Red List Partnership. The IUCN Red List Partners are: Arizona State University; BirdLife International; Botanic Gardens Conservation International; Conservation International; NatureServe; Royal Botanic Gardens, Kew; Sapienza University of Rome; Texas A&M University; and Zoological Society of London. If you see any errors or have any questions or suggestions on what is shown in this document, please provide us with feedback so that we can correct or extend the information provided. THE IUCN RED LIST OF THREATENED SPECIES™ Taxonomy Kingdom Phylum Class Order Family Animalia Chordata Mammalia Primates Cercopithecidae Scientific Name: Piliocolobus semlikiensis (Colyn, 1991) Synonym(s): • Colobus ellioti Dollman, 1909 • Colobus variabilis Lorenz von Liburnau, 1914 • Colobus badius ssp. -
Refuting the Validity of Golden-Crowned Langur Presbytis Johnaspinalli Nardelli 2015 (Mammalia, Primates, Cercopithecidae)
Zoosyst. Evol. 97 (1) 2021, 141–145 | DOI 10.3897/zse.97.62235 No longer based on photographs alone: refuting the validity of golden-crowned langur Presbytis johnaspinalli Nardelli 2015 (Mammalia, Primates, Cercopithecidae) Vincent Nijman1 1 Oxford Wildlife Trade Research Group, School of Social Sciences and Centre for Functional Genomics, Department of Biological and Medical Sciences, Oxford Brookes University, Gipsy Lane, Oxford, OX3 0BP, UK http://zoobank.org/2C3A7C82-A9BE-4FD1-A21D-113EC28C0224 Corresponding author: Vincent Nijman ([email protected]) Academic editor: M.T.R. Hawkins ♦ Received 18 December 2020 ♦ Accepted 19 January 2021 ♦ Published 11 February 2021 Abstract Increasingly, new species are being described without there being a name-bearing type specimen. In 2015, a new species of primate was described, the golden-crowned langur Presbytis johnaspinalli Nardelli, 2015 on the basis of five photographs that were posted on the Internet in 2009. After publication, the validity of the species was questioned as it was suggested that the animals were par- tially and selectively bleached ebony langurs Trachypithecus auratus (É. Geoffroy Saint-Hilaire, 1812). Since the whereabouts of the animals were unknown, it was difficult to see how this matter could be resolved and the current taxonomic status of P. johnaspinalli remains unclear. I present new information about the fate of the individual animals in the photographs and their species identifica- tion. In 2009, thirteen of the langurs on which Nardelli based his description were brought to a rescue centre where, after about three months, they regained their normal black colouration confirming the bleaching hypothesis. Eight of the langurs were released in a forest and two were monitored for two months in 2014. -
The Placenta of the Colobinae Nghi™N C¯U V“ Nhau Thai Còa Nh„M Khÿ
Vietnamese Journal of Primatology (2008) 2, 33-39 The placenta of the Colobinae Kurt Benirschke University of California San Diego, Department of Pathology, USA 8457 Prestwick Drive La Jolla, CA 92037, USA <[email protected]> Key words: Colobinae, langurs, placenta, bilobed, hemochorial Summary Leaf-eating monkeys have a hemomonochorial placenta that is usually composed of two lobes and these are connected by large fetal vessels. In general, the placenta is similar to that of the rhesus monkey ( Macaca mulatta ) and, like that species, occasional placentas possess only a single lobe. This paper describes the structure, weights and cord lengths of all colobine monkeys examined by the author to date and it provides an overview of the placentation of langurs in general. Nghi™n c¯u v“ nhau thai cÒa nh„m khÿ ®n l∏ T„m tæt ô nh„m khÿ ®n l∏ (leaf-eating monkeys) nhau thai th≠Íng Æ≠Óc tπo bÎi hai thÔy, vµ hai thÔy nµy nËi vÌi nhau bÎi nh˜ng mπch m∏u lÌn tı bµo thai. Nh◊n chung, c†u tπo nhau thai cÒa nh„m nµy giËng Î nh„m khÿ vµng (Macaca mulatta ). Vµ cÚng nh≠ Î khÿ vµng, thÿnh tho∂ng nhau thai chÿ c„ mÈt thÔy. Trong nghi™n c¯u nµy t∏c gi∂ m´ t∂ c†u tπo, c©n n∆ng cÚng nh≠ chi“u dµi nhau thai cÒa c∏c loµi thuÈc nh„m khÿ ®n l∏. Qua Æ„ cung c†p th´ng tin toµn di÷n v“ c†u tπo nhau thai cÒa c∏c loµi khÿ ®n l∏. -
OPTIMAL FORAGING on the ROOF of the WORLD: a FIELD STUDY of HIMALAYAN LANGURS a Dissertation Submitted to Kent State University
OPTIMAL FORAGING ON THE ROOF OF THE WORLD: A FIELD STUDY OF HIMALAYAN LANGURS A dissertation submitted to Kent State University in partial fulfillment of the requirements for the degree of Doctor of Philosophy by Kenneth A. Sayers May 2008 Dissertation written by Kenneth A. Sayers B.A., Anderson University, 1996 M.A., Kent State University, 1999 Ph.D., Kent State University, 2008 Approved by ____________________________________, Dr. Marilyn A. Norconk Chair, Doctoral Dissertation Committee ____________________________________, Dr. C. Owen Lovejoy Member, Doctoral Dissertation Committee ____________________________________, Dr. Richard S. Meindl Member, Doctoral Dissertation Committee ____________________________________, Dr. Charles R. Menzel Member, Doctoral Dissertation Committee Accepted by ____________________________________, Dr. Robert V. Dorman Director, School of Biomedical Sciences ____________________________________, Dr. John R. D. Stalvey Dean, College of Arts and Sciences ii TABLE OF CONTENTS LIST OF FIGURES ............................................................................................... vi LIST OF TABLES ............................................................................................... viii ACKNOWLEDGEMENTS .....................................................................................x Chapter I. PRIMATES AT THE EXTREMES ..................................................1 Introduction: Primates in marginal habitats ......................................1 Prosimii .............................................................................................2 -
On Douc Langurs (Pygathrix Spp.)
Vietnamese Journal of Primatology (2010) 4, 57-68 The Pedicinus species (Insecta, Phthiraptera, Anoplura, Pedicinidae) on douc langurs (Pygathrix spp.) Eberhard Mey Museum of Natural History at the State Museum Heidecksburg, Schloßbezirk 1, D-07407 Rudolstadt, Germany. <[email protected]> Key words: Pygathrix spp., lice, Pedicinus, new species, Vietnam Summary All three species of Southeast-Asian douc langurs (Pygathrix spp.) harbor a host-specific species of Pedicinus (Neopedicinus). Using freshly collected material of known provenance, these were identified as Pedicinus tongkinensis Mey, 1994 ex Pygathrix nemaeus, Pedicinus atratulus nov. spec. ex Pygathrix nigripes, and Pedicinus curtipenitus nov. spec. ex Pygathrix cinerea. The three species described here are closely related to each other and belong to the newly created “ancoratus species group” within the subgenus Neopedicinus. Loài Pedicinus (Insecta, Phthiraptera, Anoplura, Pedicinidae) trên các loài Chà vá (Pygathrix spp.) ở Đông Nam Á Tóm tắt Cả ba loài chà vá (Pygathrix spp.) của Đông Nam Á là nơi trú ngụ của một loài ký sinh Pedicinus (Neopedicinus). Sử dụng vật liệu được thu thập tươi từ nguồn gốc đã biết, các loài này được xác định là Pedicinus tongkinensis Mey, 1994 ex Pygathrix nemaeus, Pedicinus atratulus nov. spec. ex Pygathrix nigripes, và Pedicinus curtipenitus nov. spec. ex Pygathrix cinerea. Ba loài được mô tả ở đây có quan hệ gần gũi với nhau và thuộc về “nhóm loài ancoratus” mới được tạo ra trong giống phụ Neopedicinus. Introduction The colobine genus of the douc langurs Pygathrix E. Geoffroy St.-Hilaire, 1812 is endemic to Indochina. Three monotypic species are distinguished (Roos & Nadler, 2001, Nadler et al., 2003, Nadler, 2007). -
Social Organization of Shortridge's Capped Langur (Trachypithecus
ZOOLOGICAL RESEARCH Social organization of Shortridge’s capped langur (Trachypithecus shortridgei) at the Dulongjiang Valley in Yunnan, China Ying-Chun LI1, †, Feng LIU1, †, Xiao-Yang HE2, Chi MA3, Jun SUN2, Dong-Hui LI2, Wen XIAO3, *, Liang-Wei CUI1,4, * 1 Forestry Faculty, Southwest Forestry University, Kunming, Yunnan 650224, China 2 Nujiang Administration Bureau, Gaoligongshan National Nature Reserve, Liuku, Yunnan 673100, China 3 Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan 671003, China 4 College of Life Sciences, Northwest University, Xi’an, 710069, China ABSTRACT organization can be categorized into solitary, pair-living and group-living speceis (Kappeler & van Schaik 2002). Solitary Non-human primates often live in socially stable individuals typically forage alone (Boinski & Garber, 2000) and groups characterized by bonded relationships their activities are desynchronized with each other both spatially among individuals. Social organization can be used and temporally (Charles-Dominique, 1978). Except for orangutan, to evaluate living conditions and expansion potential. most solitary primate species are nocturnal (Kappeler & van Bisexual group size, ratio of males to females and Schaik, 2002). Pair-living species refer to couples of one adult group composition are essential elements male and one adult female (Kappeler, 1999), such as gibbons. determining the type of social organization. Although Most primates live in bisexual groups (van Schaik & Kappeler, the first report on Shortridge’s capped langurs 1997), which are much more stable compared with other (Trachypithecus shortridgei) was in the 1970s, until mammals, and consist of more than two adults. Group living now, the species only inhabits forests of the primates displayed a diversity with respect to the size, sex ratio Dulongjiang valley in northwest Yunnan, China, with and temporal stabitliy of compositioin.