Shorebirds of the Yellow Sea
Importance, threats and conservation status
Mark Barter
Wetlands International, 2002
ISBN 90 5882 009 2
5. Internationally important shorebird sites in the Yellow Sea
5.3 Site Accounts (continued)
5.3.20 Mangyeung Gang Hagu
Site information
Location: Chollabuk Province, South Korea; 35º 54' N, 126º 45' E.
Area: 12 000 ha
Wetland type: Intertidal flats and salt works.
Protected Area status: None.
Threats: Estuary currently being reclaimed, together with the adjacent Dongjin Gang Hagu, as part of the 40 100 ha Saemangeum Reclamation Project.
Count information
Counts have been conducted since 1993. Up to 1996, counts were carried out once or twice during both NM and SM; since 1997, count frequency has increased to twice during NM and three times during SM and the area covered has been extended (Yi & Kim in prep.).
|
Northward migration
|
Count
|
Ref
|
|---|---|---|
| Great Knot | 59 000 | 1 |
| Dunlin | 47 650 | 1 |
| Red-necked Stint | 5 023 | 1 |
| Grey Plover | 4 155 | 1 |
| Lesser Sand Plover | 3 800 | 1 |
| Bar-tailed Godwit | 3 350 | 1 |
| Kentish Plover | 1 500 | 1 |
| Eastern Curlew | 625 | 1 |
| Whimbrel | 620 | 1 |
| Ruddy Turnstone | 400 | 1 |
|
Southward migration
|
|
|
| Dunlin | 22 000 | 1 |
| Kentish Plover | 11 000 | 1 |
| Great Knot | 8 021 | 1 |
| Black-tailed Godwit | 8 008 | 1 |
| Grey Plover | 4 700 | 1 |
| Red-necked Stint | 4 500 | 1 |
| Lesser Sand Plover | 4 100 | 1 |
| Eastern Curlew | 1 100 | 1 |
| Terek Sandpiper | 1 040 | 1 |
| Broad-billed Sandpiper | 700 | 1 |
| Eurasian Curlew | 530 | 1 |
| Spoon-billed Sandpiper | 180 | 1 |
| Spotted Greenshank | 52 | 1 |
Significance of site
Highest counts: NM 115 054; SM 53 178.
Supports:
- 16 species in internationally important numbers (NM 10; SM 13);
- >10% of the estimated flyway populations of Great Knot during NM and of Kentish Plover during SM;
- >5% of the estimated flyway population of Lesser Sand Plover during both NM and SM;
- >5% of the estimated flyway populations of Dunlin during NM and of Black-tailed Godwit during SM;
- internationally important numbers of the endangered Spotted Greenshank (>5% of the estimated flyway population) during SM; also present during NM (maximum count: 2);
- internationally important numbers of the vulnerable Spoon-billed Sandpiper during SM; also occurs during NM (maximum count: 20);
- the highest recorded internationally important numbers of Black-tailed Godwit, Spotted Greenshank, Great Knot, Dunlin, Spoon-billed Sandpiper, Grey Plover and Kentish Plover in the Yellow Sea during SM.
Spec-ies count reference
- Yi & Kim in prep.
5.3.21 Tongjin Gang Hagu
Site information
Location: Chollabuk Province, South Korea; 35º 47' N, 126º 45' E.
Area: 12 000 ha
Wetland type: Intertidal flats.
Protected Area status: Small portion (810 ha) is an East Asian-Australasian Shorebird Network Site.
Threats: Estuary currently being reclaimed, together with the adjacent Mangyeung Gang Hagu, as part of the 40 100 ha Saemangeum Reclamation Project.
Count information
Counts have been conducted since 1993. Up to 1996, counts were carried out once or twice during both NM and SM; since 1997, count frequency has increased to twice during NM and three times during SM (Yi & Kim in prep.).
|
Northward migration
|
Count
|
Ref
|
|---|---|---|
| Great Knot | 60 000 | 1 |
| Dunlin | 38 850 | 1 |
| Bar-tailed Godwit | 8 430 | 1 |
| Red-necked Stint | 5 000 | 1 |
| Lesser Sand Plover | 3 857 | 1 |
| Grey Plover | 3 601 | 1 |
| Terek Sandpiper | 1 600 | 1 |
| Whimbrel | 1 070 | 1 |
| Eastern Curlew | 1 045 | 1 |
| Ruddy Turnstone | 450 | 1 |
|
Southward migration
|
|
|
| Dunlin | 20 004 | 1 |
| Kentish Plover | 8 850 | 1 |
| Great Knot | 5 200 | 1 |
| Bar-tailed Godwit | 4 845 | 1 |
| Lesser Sand Plover | 4 320 | 1 |
| Black-tailed Godwit | 2 750 | 1 |
| Grey Plover | 1 959 | 1 |
| Common Greenshank | 1 585 | 1 |
| Terek Sandpiper | 964 | 1 |
| Broad-billed Sandpiper | 800 | 1 |
| Eurasian Curlew | 775 | 1 |
| Eastern Curlew | 680 | 1 |
| Spoon-billed Sandpiper | 100 | 1 |
| Spotted Greenshank | 59 | 2 |
Significance of site
Highest counts: NM 126 145; SM 36 181.
Supports:
- 17 species in internationally important numbers (NM 10; SM 14);
- >10% of the estimated flyway population of Great Knot during NM;
- >5% of the estimated flyway population of Lesser Sand Plover during both NM and SM;
- >5% of the estimated flyway population of Kentish Plover during SM;
- internationally important numbers of the vulnerable Spoon-billed Sandpiper during SM; also present during NM (maximum count: 3);
- internationally important numbers of the endangered Spotted Greenshank (>5% of the estimated flyway population) during SM;
- the highest recorded internationally important numbers of Terek Sandpiper, Great Knot and Lesser Sand Plover in the Yellow Sea during NM, and of Bar-tailed Godwit and Lesser Sand Plover during SM.
Species count reference
- Yi & Kim in prep.
- N. Moores in litt.
5.3.22 Paeksu Tidal Flat
Site information
Location: Chollabuk Province, South Korea; 35º 12' N, 126º 26' E.
Area: 1 500 ha
Wetland type: Intertidal mudflats
Protected Area status: None.
Threats: Small scale reclamation (Moores 1999b).
Count information
Counts were conducted in May and October 1994 (Yi & Kim in prep.).
|
Southward migration
|
Count
|
Ref
|
|---|---|---|
| Kentish Plover | 1 020 | 1 |
Significance of site
Highest counts: NM 1 511; SM 2 060.
Supports:
- 1 species in internationally important numbers during SM;
- the endangered Spotted Greenshank during SM (maximum count: 5).
Species count reference
- Yi & Kim in prep.
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