Vietnamese Journal of Primatology - Frankfurt Zoological Society

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Vietnamese Journal of Primatology (2007) 1, 89-103 Worker at the EPRC Scientific work In cooperation with several institutions, the scientific output of the EPRC has increased immensely over the last years. Professor Herbert Covert of the University of Colorado at Boulder has been an instrumental player to the EPRC. Dr. Covert has been working with the EPRC since 2000 and has introduced the EPRC to a broader scientific community of U.S. scientists. Due to his efforts, the EPRC hosts many scientists studying various aspects of the center’s unique primate collection. For more than a decade, a very close cooperation has existed with the German Primate Center, especially on the field of molecular genetics and systematics. The cooperation has resulted in a number of revisions on Indochinese primate systematics as well as the discovery of new taxa. Scientific cooperation started with the Center of Research on Endangered Species (CRES), San Diego to investigate the genetics of Vietnamese primates. The center provided material for Kurt Benirschke’s studies on comparative placentation. Ulrike Streicher, the former veterinarian of the EPRC, finished her PhD in 2004 on “Aspects of Ecology and Conservation of the Pygmy Loris Nycticebus pygmaeus in Vietnam,” with a particular focus on the reintroduction of this species. Dr. Streicher’s dissertation is the first PhD based on the EPRC’s animals. In 2003, Christelle Otto began a project on the nutrition and feeding ecology of the EPRC’s douc langurs. She completed her PhD in 2005, titled “Food intake, nutritient intake, and food selection in captive and semi-free douc langurs”. Catherine Workman visited the EPRC in 2002 to study primate positional behavior and, in 2004, wrote a Master’s thesis on the ontogeny of locomotion in three species of langurs housed at the center. Now at Duke University in the U.S., she will conduct PhD research on the foraging ecology of Delacour’s langurs at Van Long Nature Reserve in 2007-2008. In 2005, Vietnamese student Nguyen Van Thai at the Forestry University, Xuan Mai finished his Master’s thesis on the husbandry of Delacour’s langurs at the EPRC. In addition, Vietnamese student Nguyen Xuan Nghia from the National University, Hanoi started his Master’s thesis on the keeping of gibbons at the EPRC. 94 20 18 16 14 12 10 8 6 4 2 0 3 4 4 7 10 10 10 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Fig. 4. Number of staff at the EPRC. 11 12 13 14 16 18 20
Nadler: Endangered Primate Rescue Center: Report 2004-2006 Surveys In 2004, Ha Thang Long and Tilo Nadler carried out two surveys on silvered langurs (Trachypithecus germaini) in Kien Giang Province, South Vietnam to find a solution for a population which is threatened by the limestone mining for cement production by the Swiss company HOLCIM. In 2004, Ha Thang Long and Luu Tuong Bach, biologists of the EPRC, carried out primate field surveys on grey-shanked douc langurs in Kon Cha Rang Nature Reserve and Kon Ka Kinh National Park. Also in 2004, two monitoring surveys were carried out in Pu Luong Nature Reserve and Cuc Phuong National Park, where two important populations of the Delacour’s langur (Trachypithecus delacouri) occur. The results show that both populations have declined dramatically by about 20% over the last five years. In March 2005, a short survey was carried out to monitor the Delacour’s langur population in Ngoc Son Nature Reserve. No observations could be made and interviews confirmed the hunting of a complete group. Whether a population exists inside the nature reserve is questionable but there is obviously no chance for the long-term existence of a relict population, if one still exists there. In 2005 and 2006 short surveys on the Delacour’s langur population in Van Long Nature Reserve were carried out by Catherine Workman in preparation for her PhD study. Habitat protection at Van Long Nature Reserve The Delacour’s langur was the impetus for the “Vietnam Primate Conservation Programme” of Frankfurt Zoological Society and has become the flagship species of the project. Since the discovery of a population in the Van Long area, close to Cuc Phuong National Park in 1993, this population became of special interest and a large reason for the establishment of the Van Long Nature Reserve in 2001. Van Long therefore is an important contribution to the protection of the largest and probably only viable population of this species. Since its establishment in 2001, Frankfurt Zoological Society has supported the nature reserve by financing the marking of the reserve’s borders, the building of five ranger stations, the payment of equipment and salaries for 20 guards, training courses, education work in surrounding villages, and support of management work. The fourth ranger station was completed in 2004 and the fifth ranger station in 2006. Fig. 5. Fifth ranger station at Van Long Nature Reserve. Photo: Tilo Nadler. 95
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Foreword Vietnam ranks among the to
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Preface Vietnam and its neighbourin
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