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MOE home > Nature and Parks > EBSA home > Coastal Area > 15805 Kotou River mouth tidal flats


Coastal Area 15805 Kotou River mouth tidal flats

Basic Information A separate window opensReferences

Relevant municipalities Ube, Sanyoonoda, Yamaguchi Prefecture
Area (km2) 9

Reason(s) for selection A separate window opensCriteria

Selected by experts due to endangered species are found.

Characteristics A separate window opensReferences

These are the waters of the river-mouth tidal mud flats at the mouth of the Kotou River and vicinity. These waters include a habitat and breeding ground for small-scale whiting (Shigeta and Usuki, 2011; Shigeta et al., 2013a, Shigeta, 2008) and are home to an abundance of species that are rare nationwide, including Asian clam, Cerithidea ornata, Cerithidea largillierti, Iravadia sakaguchii, Platyvindex sp. and others (Ministry of the Environment, 2001).

Environment / Habitat infromation A separate window opensData source

Tidal mud flats (km2)
Moba (seaweed bed) (km2)
Coral reef coverage (km2)
Natural coast (km) 0.2
Rate of natural coast (%) 0.8
Sand bank / submerged sand bank
Other habitats

Species information (*) A separate window opensData source

Criteria 2
Neophocaena phocaenoides (Fineless porpoise)
Takifugu rubripes (Japanese pufferfish)[Sp]
Octopus vulgaris (Common octopus)
Criteria 3
Cicindela inspecularis
Criteria 7
<Vascular Plants>
Artemisia fukudo

* 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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