Vietnam Primate Conservation Status Review 2002 - Hoang Lien ...

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DISTRIBUTION OF DELACOUR’S LANGUR (Trachypithecus delacouri) IN VIETNAM BAŒN ÑOÀ PHAÂN BOÁ LOAØI VOOÏC MOÂNG TRAÉNG ÔŒŒ VIEÄT NAM Vietnam Primate Conservation Status Review Part 2: LEAF MONKEYS CHINA BAÉC NINH Ba Vì 74 TP. HAØ NOÄI LAOS 21 0 N THAILAND HAŒI DÖÔNG HÖNG YEÂN HAØ TAÂY CAMBODIA VIETNAM Ñaœo Hoà Soâng Ñaø HOØA BÌNH Paø Coø Hang Kia Xuaân Nha Thöôïng Tieân Chuøa Höông Thaùi Thuïy THAÙI BÌNH HAØ NAM Puø Luoâng Puø Hu 20 10 0 KM NAM ÑÒNH Vaân Long Tieàn Haœi Cuùc Phöông Hoa Lö Xuaân Thuœy Möôøng Saøi NINH BÌNH LEGEND-CHUÙ GIAŒI THANH HOÙA 20 0 N Country Border / Ranh giôùi quoác gia Provincial Border / Ranh giôùi tænh Xuaân Lieân Records of Delacour’s langur Ghi nhaän veà vooïc moâng traéng Nghóa Höng Until 1988 (tröôùc naêm1988) 1995-2002 / Provisional (taïm thôøi) 1995-2003 / Confirmed (ñaõ xaùc nhaän) Protected Area / Khu baœo veä 106 0 E 105 0 5 E Puø Hoaït
3.4.4 Delacour’s langur records 3.4 DELACOUR’S LANGUR - Trachypithecus delacouri Cuc Phuong National Park (NINH BINH, HOA BINH, THANH HOA) Special use forest: National Park Delacour’s langur status: Occurrence confirmed, last evidence 2003 (Nadler, pers. comm.) The first ever sighting of a living Delacour’s langur was reported from Cuc Phuong in November 1987 (Ratajszczak, 1990, 1998). Further sightings were reported in 1989 (Ratajszczak, 1998) and during the first FZS surveys in November 1990 and in November 1991 (Adler, 1992). Two Delacour’s langurs were confiscated from hunters in 1993 and two in 1994. These animals are now housed at the EPRC and are involved in a breeding programme. Surveys to ascertain the population size were carried out between 1993-1995 (Nadler, 1995, 1996a, 1996b). It was estimated to be 4-5 groups with 20-30 animals. Single sightings and records of faeces under sleeping caves were continously recorded until 2003 (Nadler, unpubl.; Luong Van Hao, 2000a). Yen Mo limestone mountain range, Yen Mo District (NINH BINH) Special use forest: None Delacour’s langur status: Provisional occurrence, last report in 1999 (interview)(Luong Van Hao, 1999a) The occurrence of Delacour’s langurs was discovered during the FZS-surveys in 1999. In 1989 a hunter killed 8 animals of a group close to Mua Thu Village. In 1988-89 a hunter shot three adults and one young animal from a group with about 20 animals on Mot Vai cliff. The rest of the group should still exist. The same hunter shot 2 animals in March 1995 on Da Dung cliff from a group with 8 animals. One of the killed females was pregnant. He had the last sighting in this area in March 1998. In 1989 another hunter shot 6 animals on Da Dung cliff. Another record is of one sighting of 3 animals on Da Dung cliff in August 1999. One local saw 2 animals on Mot Vai cliff in March 1999. Another local saw a group with 7 in the same location and at the same time of day. Bim Son mountain, Bim Son District (THANH HOA) Special use forest: None Delacour’s langur status: Occurrence confirmed, last evidence 1999 (Luong Van Hao, 1999a) The occurrence of Delacour’s langurs was discovered during the FZS-surveys in 1993-1995 (Nadler, 1996b). There were sightings and the number of animals was estimated to be 6-7 individuals. In 1994 one group of six Delacour’s langurs was killed by hunters. The entire group was allegedly shot inside a cave; two skins were kept and stuffed (Baker, 1999). During a survey in April 1999 reported sightings were generally of two adults, and the total number of individuals was estimated to be 2-6 in 1-2 groups (Baker, 1999). During another survey carried out in August 1999 four to five groups were found with a total number of 14-18 animals (Luong Van Hao, 1999a). The groups occurred in 4 locations and it seemed that some groups were probably already isolated. 75
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Tilo Nadler - Frank Momberg - Nguye
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THE DESIGNATION OF GEOGRAPHICAL ENT
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iv 3.4 Delacour’s langur (Trachyp
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vi Acknowledgement Fauna & Flora In
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viii Abbreviations Key to abbreviat
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Red-shanked douc langurs; group of
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Vietnam Primate Conservation Status
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3 2 1 4 1. Indochinese Silvered lan
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Page 27 and 28: 3. Langurs
Page 29 and 30: 3. Langurs 3.0 An introduction to t
Page 31 and 32: The basic social organisation for t
Page 33 and 34: 3.1 Francois’ langur
Page 35 and 36: 3.1 Francois’ langur Trachypithec
Page 37 and 38: DISTRIBUTION OF FRANCOIS' LANGUR (T
Page 39 and 40: 3.1 FRANCOIS’ LANGUR - Trachypith
Page 41 and 42: 3.1 FRANCOIS’ LANGUR - Trachypith
Page 43 and 44: Discussed records Quang Ninh Provin
Page 45: 3.1 FRANCOIS’ LANGUR - Trachypith
Page 48 and 49: 2 3 6 1 4 5 1. Hatinh langur; ad. m
Page 50 and 51: Vietnam Primate Conservation Status
Page 58 and 59: 1 2 3 4 1. Cat Ba langur; ad. femal
Page 71 and 72: 3.4. Delacour’s langur
Page 73 and 74: 3.4 Delacour’s langur Trachypithe
Page 75: 3.4 DELACOUR’S LANGUR - Trachypit
Page 79 and 80: 3.4 DELACOUR’S LANGUR - Trachypit
Page 83 and 84: Locations where Delacour’s langur
Page 85 and 86: 3.4.5 Status 3.4 DELACOUR’S LANGU
Page 87 and 88: 3.4.6 Recommendations for conservat
Page 91 and 92: 3.5. Grey langur
Page 93 and 94: 3.5 Grey langur Trachypithecus crep
Page 95 and 96: Distribution in China 3.5 GREY LANG
Page 97 and 98: 3.5 GREY LANGUR - Trachypithecus cr
Page 99 and 100: 3.5 GREY LANGUR - Trachypithecus cr
Page 101 and 102: Vu Quang National Park (HA TINH) Sp
Page 103 and 104: Ha Tay Province 20 O 34’-21 O 17
Page 105 and 106: 3.6. Indochinese Silvered langur
Page 107 and 108: 3.6 Indochinese Silvered langur Tra
Page 109 and 110: 3.6 INDOCHINESE SILVERED LANGUR - T
Page 115 and 116: 4.0. Douc langurs
Page 117 and 118: 4. Douc langurs 4.0 An introduction
Page 119 and 120: 4 DOUC LANGURS Groups are character
Page 121 and 122: 4.1.2 Black-shanked douc langur Pyg
Page 123 and 124: 4 DOUC LANGURS DISTRIBUTION OF RED-
Page 125 and 126: 4 DOUC LANGURS DISTRIBUTION OF BLAC
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4 DOUC LANGURS One infant skull (IE
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4 DOUC LANGURS Bach Ma National Par
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4 DOUC LANGURS My Town and Ro Villa
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4 DOUC LANGURS very poor secondary
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A Yun Pa Nature Reserve (GIA LAI) S
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Krong No District (DAK LAK) Special
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4 DOUC LANGURS The Ra Glai minority
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Dinh Quan District (DONG NAI) Speci
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4 DOUC LANGURS Obviously there are
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4 DOUC LANGURS ✱ The establishmen
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2 3 1 1. Tonkin snub-nosed monkey;
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DISTRIBUTION OF TONKIN SNUB-NOSED M
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5 2 3 1 4 6 1. Hunters with living
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7.0. Conservation Policy
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7. Conservation policy 7.1 Hunting
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The aims of an ex-situ programme sh
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7 CONSERVATION POLICY Table 7.4-1 R
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8. References 8 REFERENCES Adler, H
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8 REFERENCES Boonratana, R., and Le
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8 REFERENCES Dao Van Tien. 1970. Su
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8 REFERENCES Fooden, J. 1976a. Prov
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8 REFERENCES Hill, W. C. O. 1934. A
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8 REFERENCES Le Khac Quyet and Trin
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8 REFERENCES Lippold, L. K. 1995a.
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Monestrol, H. (ed.). 1952. Chasses
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8 REFERENCES Ngo Van Tri. 1999b. Th
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8 REFERENCES Pham Nhat, Nguyen Xuan
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8 REFERENCES Simonetta, A. 1957. Ca
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8 REFERENCES Vermeulen, J. and Whit
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Appendix 1 Leaf monkey species in t
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Appendix 2 Selected areas of high v
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8 APPENDIX: 2 the surrounding area
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8 APPENDIX: 2 Forests in the southe
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Ke Go Nature Reserve (HA TINH) Spec
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8 APPENDIX: 2 was decreed with a to
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8 APPENDIX: 2 Elevation: reaching 1
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8 APPENDIX: 2 regeneration of everg
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Appendix 3 IUCN RED LIST CATEGORIES
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EXTINCT (EX) A taxon is Extinct whe
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B Extent of occurrence estimated to
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D Population estimated to number le
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The Primate Conservation Status Rev
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