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

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Vietnam Primate Conservation Status Review Part 2: LEAF MONKEYS 92 DISTRIBUTION OF GREY LANGUR (Trachypithecus crepusculus) IN VIETNAM BAŒN ÑOÀ PHAÂN BOÁ LOAØI VOOÏC XAÙM ÔŒ VIEÄT NAM Möôøng Nheù 22 0 N 21 0 N 20 0 N LAI CHAÂU LEGEND-CHUÙ GIAŒI Country Border / Ranh giôùi quoác gia Provincial Border / Ranh giôùi tænh Records of Grey langur Ghi nhaän veà vooïc xaùm Until 1988 (tröôùc naêm1988) 1989-1994 / Provisional (taïm thôøi) 1995-2002 / Provisional (taïm thôøi) 1995-2002 / Confirmed (ñaõ xaùc nhaän) 103 0 E Muôøng Phaêng LAOS THAILAND CAMBODIA Soáp Coäp CHINA VIETNAM Protected Area / Khu baœo veä SÔN LA Naäm Don 104 0 E LAØO CAI 0 YEÂN BAÙI Taø Suøa Xuaân Nha Puø Maùt Puø Hu 40 80 KM Cham Chu 105 0 E Na Hang Baœn Bung TUYEÂN QUANG Thaùc Baø PHUÙ THOÏ Puø Hoaït Puø Huoáng Xuaân Sôn Myõ Baèng Ñaœo Hoà Soâng Ñaø HOØA BÌNH Puø Luoâng Möôøng Saøi NGHEÄ AN Na Hang Taùt Keù BAÊÉC CAÏN TaânTraøo Nuùi Coác Taâm Ñaœo VÓNH PHUÙC HAØ NOÄI Ba Vì Kim Hyœ THAÙI NGUYEÂN HAØ TAÂY Thöôïng Tieân Cuùc Phöông THANH HOÙA Xuaân Lieân Beán En Nuùi Chung HAØ TÓNH Vuõ Quang Chuøa Höông 106 0 E Yeân Theá BAÉC NINH HÖNG YEÂN HAØ NAM Vaân Long Hoa Lö NINH BÌNH Nghóa Höng Hoøn Meâ (bieån) Keœ Goã Phong Nha
Distribution in China 3.5 GREY LANGUR - Trachypithecus crepusculus T. crepusculus is restricted to south-east part of Yunnan (Xishuangbanna), which is the most northern part of its range (Wang Yingxiang et al., 1998). It was recorded in Honghe County, Xishuangbanna, Baoshan and Yinjiag (Zhang et al., 1992). In the south-western part of Yunnan occurs the taxa shanicus. There is currently no detailed morphological and molecular genetic study of the systematic position of this taxa. Distribution in Lao PDR The range of T. crepusculus is widespread in the northern part of the country from the Mekong valley up to at least 800m a.s.l. Its occurrence is confirmed as far as Nam Kading NBCA and Phou Khaokhoay NBCA and provisionally as far south as Hin Namno NBCA (Duckworth et al., 1999). Distribution in Vietnam The Grey langur inhabits the north-western part of Vietnam. The delineation of its range is unknown. Its occurrence is currently confirmed only west of the Black River (Song Da) and as far as Pu Mat National Park to the south. Its distribution seems to be highly fragmented. Other records are only based on interviews or collected specimens. It must be noted that data provided by local informants cannot be considered as adequate evidence of known presence. This species is often confused with macaque (Macaca) species by local people. 3.5.4 Grey langur records in Vietnam Muong Nhe Nature Reserve (LAI CHAU) Special use forest: Nature reserve Grey langur status: Occurrence confirmed, last evidence in 1997 (Hill et al., 1997) One adult female (FMNH 31755) was collected in March 1929 by R. W. Hendee in Muong Mo Commune (east of the reserve). One male skin (IEBR 84) and one sub-adult male skull (IEBR 97/955) were collected in April 1963 by Liu Van Chem in Cha Cang Commune (south of the reserve) (Fooden, 1996). Between January and March 1997, Frontier-Vietnam visited the southern part of Muong Nhe (Hill et al., 1997). A single crippled individual was observed beside the Nam Ta Na (river), Muong Lay District. Van Ban District (LAO CAI) Special use forest: None Grey langur status: Provisional occurrence, last report in 1999 (Dong Thanh Hai & Lormée, 1999) FFI survey in Nam Xe and Nam Xay Communes in November 1999 reported, on the basis of interviews, the occurrence of Grey langur in Ho Nam Mu forest (Dong Thanh Hai & Lormée, 1999). Local informants suggested that only one group with 10 to 15 individuals lives in this area. This report was obtained again in December 2000 by a follow-up survey by FFI (Le Trong Dat et al., 2000). Reports of this species were obtained by FFI teams from adjacent forest areas in 2001; one group, possibly of this species in Nam Xay Commune (B. Long, pers. comm) and one group in Khanh Yen Ha Commune (Ngo Van Tri, 2001). 93
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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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3. Langurs
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3. Langurs 3.0 An introduction to t
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The basic social organisation for t
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3.1 Francois’ langur
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3.1 Francois’ langur Trachypithec
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DISTRIBUTION OF FRANCOIS' LANGUR (T
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3.1 FRANCOIS’ LANGUR - Trachypith
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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 and 76: 3.4 DELACOUR’S LANGUR - Trachypit
Page 77 and 78: 3.4.4 Delacour’s langur records 3
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: 3.5 Grey langur Trachypithecus crep
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
Page 127 and 128: 4 DOUC LANGURS One infant skull (IE
Page 129 and 130: 4 DOUC LANGURS Bach Ma National Par
Page 131 and 132: 4 DOUC LANGURS My Town and Ro Villa
Page 133 and 134: 4 DOUC LANGURS very poor secondary
Page 135 and 136: A Yun Pa Nature Reserve (GIA LAI) S
Page 137 and 138: Krong No District (DAK LAK) Special
Page 139 and 140: 4 DOUC LANGURS The Ra Glai minority
Page 141 and 142: Dinh Quan District (DONG NAI) Speci
Page 143 and 144: 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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