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Coastal Area 13601 Kasaoka coast

Basic Information A separate window opensReferences

Relevant municipalities Kasaoka, Asakuchi, Okayama Prefecture
Area (km2) 10

Reason(s) for selection A separate window opensCriteria

Selected due to high levels for the criteria 1, 3 and 7, and selected by MARXAN software.

Characteristics A separate window opensReferences

These are the Seto waters in the vicinity of Kasaoka. Kasaoka is a natural monument as a Japanese horseshoe crab breeding ground, and Japanese horseshoe crabs occur in its tidal mud flats ecosystem.

Environment / Habitat infromation A separate window opensData source

Tidal mud flats (km2) 1.4
Moba (seaweed bed) (km2) 0.3
Coral reef coverage (km2)
Natural coast (km) 1.5
Rate of natural coast (%) 3.2
Sand bank / submerged sand bank
Other habitats

Species information (*) A separate window opensData source

Criteria 1
<Bivalva, Gastropoda>
Cyclina sinensis
Peregrinamor ohshimai
Solen strictus
Angustassiminea yoshidayukioi
Criteria 2
Neophocaena phocaenoides (Fineless porpoise)
Sterna albifrons (Little Tern)
Sterna albifrons (Little Tern)[Br/Ne]
Charadrius dubius (Little Ringed Plover)[Br/Ne]
Charadrius alexandrinus (Kentish Plover)[Br/Ne]
Takifugu rubripes (Japanese pufferfish)[Sp]
Pleuronectes yokohamae (Marbled flounder)[Sp]
<Crustacea, Horseshoe club>
Tachypleus tridentatus (Horseshoe club)
Octopus vulgaris (Common octopus)
Criteria 3
Sterna albifrons (Little Tern)
Uca lactea
Xenophthalmus pinnotherides
Macrophthalmus japonicus
<Bivalva, Gastropoda>
Trigonostoma scalariformis
Laternula impura
Paratectonatica tigrina
Littorina brevicula
<Vascular Plants>
Salicornia europaea (Common Glasswort)
Criteria 7
<Crustacea, Horseshoe club>
Macrophthalmus abbreviatus
Tachypleus tridentatus (Horseshoe club)
Uca lactea
Macrophthalmus japonicus
<Bivalva, Gastropoda>
Cerithidea rhizophorarum
Peregrinamor ohshimai
Atrina lischkeana (Pen shell)
<Vascular Plants>
Salicornia europaea (Common Glasswort)
Aster tripolium (Sea aster)
Triglochin asiaticum
Criteria 8
<Natural Monuments>
Spawning grounds of Horseshoe club (Tachypleus tridentatus)

* 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


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