Final Report Prepared by Long Thang Ha A field survey for the grey-shanked douc langurs (Pygathrix cinerea ) in Vietnam December/2004 Cuc Phuong, Vietnam A field survey on the grey-shanked douc langurs Project members Project Advisor: Tilo Nadler Project Manager Frankfurt Zoological Society Endangered Primate Rescue Centre Cuc Phuong National Park Nho Quan District Ninh Binh Province Vietnam 0084 (0) 30 848002
[email protected] Project Leader: Ha Thang Long Project Biologist Endangered Primate Rescue Centre Cuc Phuong National Park Nho Quan District Ninh Binh Province Vietnam 0084 (0) 30 848002
[email protected] [email protected] Project Member: Luu Tuong Bach Project Biologist Endangered Primate Rescue Centre Cuc Phuong National Park Nho Quan District Ninh Binh Province Vietnam 0084 (0) 30 848002
[email protected] Field Staffs: Rangers in Kon Cha Rang NR And Kon Ka Kinh NP BP Conservation Programme, 2004 2 A field survey on the grey-shanked douc langurs List of figures Fig.1: Distinguished three species of douc langurs in Indochina Fig.2: Map of surveyed area Fig.3: An interview in Kon Cha Rang natural reserve area Fig.4: A grey-shanked douc langur in Kon Cha Rang natural reserve area Fig.5: Distribution of grey-shanked douc in Kon Cha Rang, Kon Ka Kinh and buffer zone Fig.6: A grey-shanked douc langur in Kon Ka Kinh national park Fig.7: Collecting faeces sample in the field Fig.8: A skull of a douc langur collected in Ngut Mountain, Kon Ka Kinh NP Fig.9: Habitat of douc langur in Kon Cha Rang Fig.10: Habitat of douc langur in Kon Ka Kinh Fig.11: Stuffs of douc langurs in Son Lang village Fig.12: Traps were collected in the field Fig.13: Logging operation in the buffer zone area of Kon Cha Rang Fig.14: A civet was trapped in Kon Ka Kinh Fig.15: Illegal logging in Kon Ka Kinh Fig.16: Clear cutting for agriculture land Fig.17: Distribution of the grey-shanked douc langur before survey Fig.18: Distribution of the grey-shanked douc langur after survey Fig.19: Percentage of presence/absence in the surveyed transects.