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Coastal Area 12101 Adjacent waters of Cape Inubo

Basic Information A separate window opensReferences

Relevant municipalities Kamisu, Ibaraki Prefecture; Choshi, Chiba Prefecture
Area (km2) 53

Reason(s) for selection A separate window opensCriteria

Selected due to high levels for the criteria 2, and selected by MARXAN software.

Characteristics A separate window opensReferences

These waters are centered on Cape Inubo, which juts out into the Pacific. On the sandy beaches of Hasaki in the north, which includes the lower reaches of the Tone River, are distributed numerous Numenius phaeopus, spotted redshank, sanderling, ruddy turnstone, and Eurasian oystercatcher. The coast around Cape Inubo is habitat to Phyllospadix japonicus, and there are broad seaweed communities, mainly of kombu kelp and Sargassum fulvellum here as well (this is the southern limit of distribution of cold-water seaweed) (Ministry of the Environment, 2001). The waters in the vicinity of Cape Inubo are a site of direct interaction between the Kuroshio Current and the Oyashio Current, and the perimeter areas of the shore zone in particular also are home to what would appear to be shellfish endemic to this area (Okutani, 2000) and other distinguishing features.

Environment / Habitat infromation A separate window opensData source

Tidal mud flats (km2) 2.5
Moba (seaweed bed) (km2) 2.1
Coral reef coverage (km2)
Natural coast (km) 14.1
Rate of natural coast (%) 19
Sand bank / submerged sand bank
Other habitats

Species information (*) A separate window opensData source

Criteria 1
<Bivalva, Gastropoda>
Corbicula japonica
Criteria 2
Neophocaena phocaenoides (Fineless porpoise)
Monticola solitarius (Blue Rock-thrush)[Br/Ne]
Phalacrocorax capillatus (Japanese Cormorant)
Phalacrocorax capillatus (Japanese Cormorant)[Br/Ne]
Larus crassirostris (Black-tailed Gull)
Larus crassirostris (Black-tailed Gull)[Br/Ne]
Egretta sacra (Pacific Reef-egret)[Br/Ne]
Sterna albifrons (Little Tern)
Sterna albifrons (Little Tern)[Br/Ne]
Charadrius dubius (Little Ringed Plover)[Br/Ne]
Larus argentatus (European Herring Gull)
Phalacrocorax pelagicus (Pelagic Cormorant)
Phalacrocorax pelagicus (Pelagic Cormorant)[Br/Ne]
Ammodytes personatus (Japanese sand lance)[Sp]
Laemonema longipes (Threadfin hakeling)[Sp]
Pleuronectes yokohamae (Marbled flounder)[Sp]
Tanakius kitaharae (Willowy flounder)[Sp]
Anguilla japonica (Japanese eel)[Ad]
Watasenia scintillans (Firefly squid )
Loligo bleekeri (Spear squid)
Criteria 3
Sterna albifrons (Little Tern)
Phalacrocorax pelagicus (Pelagic Cormorant)
Criteria 7
<Bivalva, Gastropoda>
Corbicula japonica

* 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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