Bird Life Tieng Anh-01.qxd - Birdlife International in Indochina

Bird Life Tieng Anh-01.qxd - Birdlife International in Indochina Bird Life Tieng Anh-01.qxd - Birdlife International in Indochina

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Table of Contents Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Conventions used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Abbreviations and acronyms used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Executive Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Executive Summary (in Vietnamese) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Background on the study area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Aim and objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2. Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.1 Definition of study area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.2 Bird surveys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.3 Vegetation surveys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.4 Site mapping methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.4.1. Materials and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.4.2. Image classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.4.3. GIS methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.1 Literature review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.2 Field surveys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.2.1 Waterbird numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.2.2 Key species recorded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Site accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.1 An Hai . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2 Tien Lang . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3 Thai Thuy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.4 Tien Hai . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4.5 Xuan Thuy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.6 Nghia Hung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5. Site ranking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6. General conclusions and recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 List of tables Table 1: Relative ranking of the six IBAs surveyed in 2006 . . . . . . . . . . . . . . . . . . . . . 23 Table 2: Scoring system used to rank sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 List of maps Map 1: Study areas in the Red River Delta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Map 2: Habitat of An Hai, Hai Phong city . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Map 3: Habitat of Tien Lang area, Hai Phong city . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Map 4: Habitat of Thai Thuy, Thai Binh province . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Map 5: Habitat of Tien Hai Nature Reserve, Thai Binh province . . . . . . . . . . . . . . . . . 29 Map 6: Habitat of Xuan Thuy National Park, Nam Dinh province . . . . . . . . . . . . . . . . 30 Map 7: Habitat of Nghia Hung, Nam Dinh province . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 List of plates Plate 1: Key natural and man-made habitats in the coastal zone of the Red River Delta 32 Plate 2: Threats to biodiversity in the coastal zone of the Red River Delta . . . . . . . . . . 33 Plate 3: Key bird species recorded in the coastal zone of the Red River Delta . . . . . . . 34 Appendix 1: Checklist of bird species recorded during field surveys winter 2005/2006 . . . 35 Appendix 2: Checklist of birds recorded at An Hai during field surveys . . . . . . . . . . . . . . . 37 Appendix 3: Checklist of birds recorded at Tien Lang during field surveys . . . . . . . . . . . . . 38 Appendix 4: Checklist of birds recorded at Thai Thuy during field surveys . . . . . . . . . . . . 39 Appendix 5: Checklist of birds recorded at Tien Hai during field surveys . . . . . . . . . . . . . . 41 Appendix 6: Checklist of birds recorded at Xuan Thuy during field surveys . . . . . . . . . . . . 43 Appendix 7: Checklist of birds recorded at Nghia Hung during field surveys . . . . . . . . . . . 44 Appendix 8: Checklist of plants found in coastal wetland sites in the Red River Delta . . . . 45

5. Site rank<strong>in</strong>g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22<br />

6. General conclusions and recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22<br />

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24<br />

List of tables<br />

Table 1: Relative rank<strong>in</strong>g of the six IBAs surveyed <strong>in</strong> 2006 . . . . . . . . . . . . . . . . . . . . . 23<br />

Table 2: Scor<strong>in</strong>g system used to rank sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23<br />

List of maps<br />

Map 1: Study areas <strong>in</strong> the Red River Delta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25<br />

Map 2: Habitat of An Hai, Hai Phong city . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26<br />

Map 3: Habitat of Tien Lang area, Hai Phong city . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />

Map 4: Habitat of Thai Thuy, Thai B<strong>in</strong>h prov<strong>in</strong>ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28<br />

Map 5: Habitat of Tien Hai Nature Reserve, Thai B<strong>in</strong>h prov<strong>in</strong>ce . . . . . . . . . . . . . . . . . 29<br />

Map 6: Habitat of Xuan Thuy National Park, Nam D<strong>in</strong>h prov<strong>in</strong>ce . . . . . . . . . . . . . . . . 30<br />

Map 7: Habitat of Nghia Hung, Nam D<strong>in</strong>h prov<strong>in</strong>ce . . . . . . . . . . . . . . . . . . . . . . . . . . . 31<br />

List of plates<br />

Plate 1: Key natural and man-made habitats <strong>in</strong> the coastal zone of the Red River Delta 32<br />

Plate 2: Threats to biodiversity <strong>in</strong> the coastal zone of the Red River Delta . . . . . . . . . . 33<br />

Plate 3: Key bird species recorded <strong>in</strong> the coastal zone of the Red River Delta . . . . . . . 34<br />

Appendix 1: Checklist of bird species recorded dur<strong>in</strong>g field surveys w<strong>in</strong>ter 2005/2006 . . . 35<br />

Appendix 2: Checklist of birds recorded at An Hai dur<strong>in</strong>g field surveys . . . . . . . . . . . . . . . 37<br />

Appendix 3: Checklist of birds recorded at Tien Lang dur<strong>in</strong>g field surveys . . . . . . . . . . . . . 38<br />

Appendix 4: Checklist of birds recorded at Thai Thuy dur<strong>in</strong>g field surveys . . . . . . . . . . . . 39<br />

Appendix 5: Checklist of birds recorded at Tien Hai dur<strong>in</strong>g field surveys . . . . . . . . . . . . . . 41<br />

Appendix 6: Checklist of birds recorded at Xuan Thuy dur<strong>in</strong>g field surveys . . . . . . . . . . . . 43<br />

Appendix 7: Checklist of birds recorded at Nghia Hung dur<strong>in</strong>g field surveys . . . . . . . . . . . 44<br />

Appendix 8: Checklist of plants found <strong>in</strong> coastal wetland sites <strong>in</strong> the Red River Delta . . . . 45

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