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Thomas Geissmann
Gibbon Research Lab., Hannover
thomas.geissmann@thiho-hannover.de

19 July 2002

I am organising a symposium on "Gibbon Diversity and Conservation", to be held at the 19th Congress of the International Primatological Society (Beijing, China, August 4-9, 2002). Below I am presenting the final program of the symposium.

A printable version of the program in PDF format can be downloaded here.

6 August 2002: Gibbon Diversity and Conservation, Part I 13:30-18:30, Symposium # 19-1, 3rd Floor, Meeting Hall 10
Introduction:
13:30-14:00	Gibbons: In the shadow of the great apes Thomas Geissmann Institute of Zoology, Tierärztliche Hochschule Hannover
Systematics:
14:00-14:20	Where nomenclature is a stumbling block: The Bunopithecus problem Colin Groves Australian National University, Canberra, Australia
14:20-14:40	The Javan silvery gibbon (Hylobates moloch): Are there several subspecies? Thomas Geissmann1, Robert Dallmann1 and Jennifer Pastorini2 1 Institute of Zoology, Tierärztliche Hochschule, Hannover, Germany 2 Anthropologisches Institut, Universität Zürich, Switzerland
14:40-15:00	Biogeography of gibbons: Congruence testing with other South-east Asian primates Helen J. Chatterjee Grant Museum of Zoology, Department of Biology, University College London, U.K.
Diversity in Behavioral Ecology:
15:00-15:20	Cognitive differences among small apes based on their behaviour in the presence of mirrors Maria Ujhelyi and Zsofia Clemens Semmelweis University, Institute of Behavioural Sciences, Hungary
15:20-15:40	Mirror self-recognition in gibbons (Hylobatidae) Tanya A. Romaniuk Agoura Hills, California, U.S.A.
15:40-16:00	Tea and Coffee Break
16:00-16:20	Social communication by the use of gestures and facial expressions within families of siamangs (Symphalangus syndactylus) in zoological gardens Katja Liebal and Michael Tomasello Max-Planck-Institute for Evolutionary Anthropology, Leipzig, Germany
16:20-16:40	Survival rates in captive lar gibbons (Hylobates lar) and siamangs (Symphalangus syndactylus) Christina Klein1 and Lori K. Sheeran2 1 International Center for Gibbon Studies, Santa Clarita, California, U.S.A. 2 Department of Anthropology, CSUF, Fullerton, California, U.S.A.
16:40-17:00	The population distribution and abundance of siamangs (Symphalangus syndactylus) and agile gibbons (Hylobates agilis) in west central Sumatra Achmad Yanuar1, David J. Chivers1 and Jito Sugardjito2 1 Wildlife Research Group, Department of Anatomy, University of Cambridge, U.K. 2 Fauna and Flora International-Indonesia Program, Bantar Jati, Bogor, Indonesia
17:00-17:20	Feeding habits of hoolock gibbons in the Gibbon Wildlife Sanctuary, Assam (India) Pranab Bujarbarua and S.K. Sarma Plant Ecology Lab., Department of Botany, Gauhati University, Guwahati, Assam, India
17:20-17:40	Effect of habitat destruction on behaviour and ecology of hoolock gibbons Jayanta Das1,2 and P.C. Bhattacherjee1 1 Department of Zoology, Gauhati University, Guwahati, Assam, India 2 Primate Research Centre, Sardarpura, Jodhpur, India
17:40-18:00	Territoriality and monogamy in hoolock gibbons M. Farid Ahsan EPSS/MESU, Environment Department, Dubai, UAE
18:00-18:20	Multi-male siamang groups: Polyandry and cooperation in a Sumatran gibbon Susan Lappan Department of Anthropology, New York University, U.S.A.
18:30	Close
8 August 2002: Gibbon Diversity and Conservation, Part II 10:30-12:30, Symposium # 19-2, 3rd Floor, Meeting Hall 10
10:30-10:50	Intergroup interactions and the role of calling among siamangs Margaret Kinnaird, Timothy OíBrien, Anton Nurcahyo and Maya Prasetyaningrum Wildlife Conservation Society, Bogor, Indonesia
10:50-11:10	Effect of forest fire disturbance on the demography of siamang (Symphalangus syndactylus) in a Sumatran rainforest Timothy OíBrien, Margaret Kinnaird, Maya Prasetyaningrum, Anton Nurcahyo and Muhammad Iqbal Wildlife Conservation Society, Bogor, Indonesia
11:10-11:30	Preliminary observations on wild yellow-cheeked crested gibbons (Nomascus gabriellae) in eastern Cambodia Benjamin Rawson School of Archaeology & Anthropology, Australian National University, Canberra, Australia
11:30-11:50	Paternal care in a family of white-handed gibbons (Hylobates lar) Zsófia Clemens1, Mária Ujhelyi1 and Björn Merker2 1 Institute of Behavioural Sciences, Semmelweis University, Budapest, Hungary 2 Ctr. for Research in Music Education, Royal University College of Music, Stockholm, Sweden
11:50-12:10	Social behavior and social organization (and social traditions?) in white-handed gibbons Thad Q. Bartlett Department of Anthropology, The University of Texas, San Antonio, Texas, U.S.A.
12:10-12:30	Discussion and Close
8 August 2002: Gibbon Diversity and Conservation, Part III 13:30-18:30, Symposium # 19-3, 3rd Floor, Meeting Hall 10
13:30-13:50	Behavioral diversity within Hylobatidae Warren Y. Brockelman1,2 and Udomlux Suwanvecho2 1 Center for Conservation Biology, ISTRD, Mahidol University, Salaya, Nakhon Pathom, Thailand 2 Department of Biology, Faculty of Science, Mahidol University, Bangkok, Thailand
Status & in situ Conservation:
13:50-14:10	The gibbons in Vietnam: Distribution and conservation status Pham Nhat Faculty of Forest Resources & Environment Management, Forestry University, Xuanmai, Vietnam
14:10-14:30	Status review of black crested gibbons (Nomascus concolor and Nomascus sp. cf. nasutus) in Vietnam La Quang Trung1, Trinh Dinh Hoang1, Barney Long2 and Thomas Geissmann3 1 Fauna & Flora International ñ Indochina Programme, Hanoi, Vietnam 2 WWF Indochina Programme Office, Hanoi, Hanoi, Vietnam 3 Institute of Zoology, Tierärztliche Hochschule Hannover, Germany
14:30-14:50	Community consensus on protecting Vietnamís last black gibbons Mai Dang Khoa, James Hardcastle and Frank Momberg Fauna & Flora International ñ Indochina Programme, Hanoi, Vietnam
14:50-15:10	Distribution and conservation of the western black crested gibbon (Nomascus concolor) in Wuliang mountain, Yunnan province, China Jiang Xuelong and Wang Yingxiang Kunming Institute of Zoology, Chinese Academy of Science, Kunming, China
15:10-15:30	Hoolock gibbons (Bunopithecus hoolock) of Bangladesh: Status, distribution and conservation Mohammed M. Feeroz Department of Zoology, Jahangirnagar University, Savar, Dhaka, Bangladesh
15:30-16:00	Tea and Coffee Break
16:00-16:20	Hoolock gibbons in Bangladesh: Status and conservation issues M. Farid Ahsan EPSS/MESU, Environment Department, Dubai, UAE
16:20-16:40	Distribution and conservation of hoolock gibbons in Assam (India) Jayanta Das1,2, P.C. Bhattacherjee1 and S.M. Mohnot2 1 Department of Zoology, Gauhati University, Guwahati, Assam, India 2 Primate Research Centre, Sardarpura, Jodhpur, India
16:40-17:00	Status of hoolock gibbons in India: Conservation issues and concerns Atul K. Gupta Dept. of Population Management, Capture & Rehabilitation, Wildlife Institute, Chandrabani, Uttaranchal, India
17:00-17:20	Long-term field data, emerging perspectives, and human influences: The importance of integration in hylobatid conservation Nicholas Malone1 and Agustin Fuentes1,2 1 Department of Anthropology, University of Oregon, Eugene, Oregon, U.S.A. 2 Department of Anthropology, Notre Dame University, Indiana, U.S.A.
ex situ Conservation:
17:20-17:40	Kalaweit Gibbons Conservation Project in Kalimantan, Indonesia Aurelien Brule (Chanee) Etho-Passion Society, Central Kalimantan, Indonesia
17:40-18:00	The survey project for captive gibbons in Taiwan and South-east Asia Ci-Wen Yang1, Hou-Chun Chen1, Po-Chung Chang1 and Kuang-Yu Hu2 1 Taipei Zoo, Taipei, Taiwan, R.O.C. 2 National Defense Medical College, Taipei Taiwan.R.O.C.
18:00-18:20	The importance of stress reduction when housing gibbons in a captive setting Alan R. Mootnick International Center for Gibbon Studies, Santa Clarita, California, U.S.A.
	[Poster Presentation]: Assessing the viability of rehabilitation and reintroduction of ex-captive gibbons (Hylobates agilis albibarbis and Hylobates muelleri ssp.) in Indonesian Borneo Susan M. Cheyne Wildlife Research Group, Department of Anatomy, University of Cambridge, U.K.
18:30	Close
9 August 2002: Gibbon Diversity and Conservation, Part IV 13:30-18:00, Roundtable Discussion, 3rd Floor, Meeting Hall 10
13:30-18:00	Roundtable Discussion: Getting gibbons out of the shadow of the great apes: What should be done? What can be done? Where are the priorities?
18:00	Close