MOE home > Nature and Parks > EBSA home > Coastal Area > 15401 Northeastern Yatsushiro Sea
Relevant municipalities | Uki, Yatsushiro, Hikawa, Kumamoto Prefecture |
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Area (km2) | 157 |
Selected due to high levels for the criteria 1, 2, 3 and 7, and selected by MARXAN software.
These waters include the tidal mud flats on the coast of the eastern Yatsushiro Sea. Many rivers flow into the Yatsushiro Sea and form tidal mud flats, with those at the mouth of the Kuma River being particularly expansive. Snipe and plover visit the vicinity of the Kuma River mouth, with relatively large numbers of species and populations visiting during the spring and fall migrations and wintering here. At least 1% of the minimum estimated population of Kentish plover, Terek sandpiper, and grey-tailed tattler has been recorded here, as has at least 0.25% of the minimum estimated population of black-bellied plover, lesser sand plover, Numenius phaeopus, grey-tailed tattler, and dunlin. Saunders' gull also visits here. These waters are visited by as many as 90 species of birds including snipe and plover. The tidal mud flats unfolding at the mouths of the Ono and Sunagawa rivers also are visited by numerous snipe and plover, and Saunders' gull and Far Eastern curlew have been recorded here as well. Also abundant at the mouth of the Ono River are the typical Ariake Sea species Cerithidea largillierti, Cerithidea ornata, Pseudomphala latericea, fiddler crab, Cleistostoma dilatatum, and bluespotted mud hopper. Salinator takii, whose current distribution in the Ariake Sea is limited, can be seen here too. Black-faced spoonbill have been confirmed to visit the mouth of the Hikawa River (Ministry of the Environment, 2001). Oyster reefs form in these waters.
Tidal mud flats (km2) | 38.2 |
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Moba (seaweed bed) (km2) | 0.7 |
Coral reef coverage (km2) | |
Natural coast (km) | 10.7 |
Rate of natural coast (%) | 13.5 |
Sand bank / submerged sand bank | |
Other habitats | Oyster reef |
Criteria 1 |
<Aves> |
Platalea minor (Black-faced Spoonbill) |
Platalea leucorodia (Eurasian Spoonbill) |
<Pisces> |
Acanthogobius hasta |
Boleophthalmus pectinirostris (Great blue spotted mudskipper ) |
<Crustacea> |
Cleistostoma dilatatum |
Elamenopsis ariakensis |
Uca arcuata |
<Bivalva, Gastropoda> |
Pseudomphala miyazakii |
Lactiforis takii |
Cyclina sinensis |
Cerithidea largillierti |
Cerithidea ornata |
Platevindex sp. |
Tegillarca granosa |
Solen strictus |
Corbicula japonica |
<Other invertebrate> |
Lingula anatina |
Criteria 2 |
<Aves> |
Phalacrocorax capillatus (Japanese Cormorant) |
Phalacrocorax capillatus (Japanese Cormorant)[Br/Ne] |
Larus crassirostris (Black-tailed Gull) |
Larus crassirostris (Black-tailed Gull)[Br/Ne] |
Larus ichthyaetus (Pallas's Gull) |
Egretta sacra (Pacific Reef-egret)[Br/Ne] |
Sterna albifrons (Little Tern) |
Sterna albifrons (Little Tern)[Br/Ne] |
Charadrius dubius (Little Ringed Plover)[Br/Ne] |
Charadrius alexandrinus (Kentish Plover)[Br/Ne] |
Larus argentatus (European Herring Gull) |
Pandion haliaetus (Osprey)[Br/Ne] |
Larus ridibundus (Black-headed Gull) |
<Pisces> |
Seriola quinqueradiata (Japanese amberjack)[Sp] |
Trachurus japonicus (Japanese jack mackerel)[Sp] |
Scomber japonicus (Chub mackerel)[Sp] |
Criteria 3 |
<Aves> |
Podiceps cristatus (Great Crested Grebe) |
Sterna albifrons (Little Tern) |
<Pisces> |
Lateolabrax japonicus (Japanese seabass) |
Acanthogobius hasta |
<Insecta> |
Cicindela lewisi |
<Crustacea> |
Helice (Helice) tridens |
Cleistostoma dilatatum |
Deiratonotus cristatus |
Elamenopsis ariakensis |
Parasesarma plicatum |
Uca arcuata |
Ilyoplax pusilla |
Uca lactea |
Macrophthalmus japonicus |
<Bivalva, Gastropoda> |
Pseudomphala miyazakii |
Borniopsis ariakensis |
Serratina diaphana |
Lactiforis takii |
Ellobium chinense |
Cerithideopsilla djadjariensis |
Cerithidea largillierti |
Cerithidea ornata |
Platevindex sp. |
Tegillarca granosa |
Glauconome angulata |
Devonia semperi |
Mitrella martensi |
Onchidium sp. |
Fairbankia sakaguchii |
<Other invertebrate> |
Nectoneanthes uchiwa |
<Vascular Plants> |
Suaeda malacosperma |
Criteria 7 |
<Pisces> |
Luciogobius pallidus |
<Crustacea> |
Macrophthalmus abbreviatus |
Uca arcuata |
Uca lactea |
Macrophthalmus japonicus |
<Bivalva, Gastropoda> |
Serratina diaphana |
Cerithidea largillierti |
Cerithidea ornata |
Neripteron sp. |
Cerithidea rhizophorarum |
Cerithideopsilla cingulata |
Corbicula japonica |
Atrina lischkeana (Pen shell) |
<Other invertebrate> |
Protankyra bidentata |
Lingula anatina |
<Vascular Plants> |
Triglochin asiaticum |
Suaeda malacosperma |
Artemisia fukudo[Ad] |
* This is the species list of which meet the criteria. In that matter, this list does not include all species that inhabit the individual area.
Abbreviation in the information is as follows.
[Br/Ne] : Adjacent water of breeding area or nesting site
[Sp] : spawning area
[Ad] : species not used for analysis but add to the list because inhabit information was collected later
[Ex] : species used for analysis but considered to be possibly extinct in the EBSA region (area)
No mark : data of species distribution