Na Hang Nature Reserve, Tat Ke Sector - Frontier-publications.co.uk

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7b. Formulation used for the assessment of abundance of bird species recorded in Na Hang nature reserve. (Hill & Kemp, 1996) Relative abundance of each species within the reserve was calculated from the number of occasions the species was identified and the average flock size of each species. Set out in the table below is the format used for assessing abundance. This formulation is only applicable for the SEE-Vietnam surveys at Na Hang. The abundance rating is weighted more heavily towards the number of occasions each species was recorded, as flock size was more difficult to recorded accurately, especially whilst observing large or mixed flocks. Average No. of Occasions Sighted Flock Size 1 2 3-4 5-8 9-16 >16 1-2 Rare Rare Occasional Frequent Common Abundant 3-8 Rare Occasional Frequent Common Abundant Abundant >9 Occasional Frequent Common Abundant Abundant Abundant
7c. Endangered Bird Species Recorded in Na Hang Nature Reserve Endangered Internationally (Birds to Watch 2, Collar et al. 1994) Vulnerable • Picus rabieri (Red-collared Woodpecker). Near-threatened • Anorrhinus tickelli (Brown Hornbill) • Treron seimundi (Yellow-vented Green-Pigeon) • Microhierax melanoleucos (Pied Falconet). • Pitta soror (Blue-rumped Pitta) • Pitta elliotti (Bar-bellied Pitta) • Urocissa whiteheadi (White-winged Magpie) • Turdus dissimilis (Black-breasted Thrush) • Niltava davidi (Fujian Niltava) • Cochoa viridis (Green Cochoa) • Garrulax maesi (Grey Laughingthrush) • Garrulax milnei (Red-tailed Laughingthrush) • Xiphirhynchus superciliaris (Slender-billed Scimitar-Babbler) • Alcippe rufogularis (Rufous-throated Fulvetta) • Paradoxornis ruficeps (Rufous-headed Parrotbill). Endangered in Vietnam (RDB, 1992) • Psarisomus dalhousiae (Long-tailed Broadbill) • Pitta phayrei (Eared Pitta) • Temnurus temnurus (Ratchet-tailed Treepie)
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Page 64 and 65: Na Hang Nature Reserve, Tat Ke Sect
Page 70 and 71: Appendix 1. Habitat; Plants Plant s
Page 72 and 73: Species Habitat Fertile Uses/Status
Page 86 and 87: stages SONNERATIACEAE 638. Duabanga
Page 94 and 95: FOREST TRANSECT 1 Key: Ac Ao Ar Cl
Page 96 and 97: FOREST TRANSECT 3 Key: Cl Clusiacea
Page 98 and 99: Appendix 3. Forest plot data
Page 100 and 101: Myrtaceae 4 1.081 3.60 8 1.250 4.66
Page 102 and 103: Nymphalidae 32. Cethosia biblis Dru
Page 104 and 105: Appendix 4b. Butterflies recorded a
Page 106 and 107: 1 2 3 4 5 25 Opsarichthys uncirostr
Page 108 and 109: Appendix 6. Amphibians and Reptiles
Page 110 and 111: A B C Upupipae: Hoopoe 14. Hoopoe (
Page 112 and 113: A B C Subfamily Muscicapinae: Flyca
Page 116 and 117: Appendix 8. Key; A Identified from:
Page 118: Appendix 9. List of specimens Insec
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