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Coastal Area 10402 Shiretoko (Rausu) side coast

Basic Information A separate window opensReferences

Relevant municipalities Shibetsu, Rausu, Hokkaido Prefecture
Area (km2) 323

Reason(s) for selection A separate window opensCriteria

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

Characteristics A separate window opensReferences

These waters extend from the Kunbetsu area on the east side of the Shiretoko Peninsula (the Kunashiri Island side) to include the Shiretoko banks. The east side of the Shiretoko Peninsula (the Rausu side) differs from the Okhotsk side in that it is dominated by a broad coastline of seaweed bed ecosystems, particularly on the north side of the peninsula. These seaweed beds are unique in that both cold-water seaweed, like that distributed in the Kuril Islands and Sakhalin, and warm-water seaweed, like that distributed in Hokkaido and to the south, can be seen here (Government of Japan, 2004), and the kombu kelp here supports the productivity of the area. The banks extending from the cape of the Shiretoko Peninsula to the north side are highly productive and serve as important spawning grounds for Okhotsk atka mackerel, Alaska pollock and others. In addition, like the Okhotsk side of the Shiretoko Peninsula a distinguishing feature of these waters is the large number of rivers in which wild salmon have been confirmed to swim upstream (Miyakoshi et al., 2012). Also to be seen here are Steller sea lions, spotted seals, ribbon seals, Minke whales, sperm whales, killer whales, and others, and these waters are visited by the largest number of pinniped species (seven species) in Japan. During the migration seasons in spring and fall, large flocks of short-tailed shearwater, red-necked phalarope, and fulmar can be seen here, and during the winter many species of sea duck and ancient murrelet have been confirmed around the sea ice.

Environment / Habitat infromation A separate window opensData source

Tidal mud flats (km2)
Moba (seaweed bed) (km2) 10.6
Coral reef coverage (km2)
Natural coast (km) 61.4
Rate of natural coast (%) 75.1
Sand bank / submerged sand bank
Other habitats

Species information (*) A separate window opensData source

Criteria 1
Phoca largha (Larga Seal (Spotted Seal))
Eumetopias jubatus (Steller's Sea-lion)
Riparia riparia (Sand Martin)
Salvelinus malma (Dolly varden)
Criteria 2
Apus pacificus (Pacific Swift)[Br/Ne]
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]
Larus schistisagus (Slaty-backed Gull)
Larus schistisagus (Slaty-backed Gull)[Br/Ne]
Larus canus (Mew Gull )
Charadrius alexandrinus (Kentish Plover)[Br/Ne]
Larus argentatus (European Herring Gull)
Falco peregrinus (Peregrine Falcon)[Br/Ne]
Pandion haliaetus (Osprey)[Br/Ne]
Larus ridibundus (Black-headed Gull)
Larus glaucescens (Glaucous-winged Gull)
Theragra chalcogramma (Alaska pollock)[Sp]
Hippoglossoides pinetorum (S?hachi)[Sp]
Pleurogrammus azonus (Okhotsk atka mackerel)[Sp]
Criteria 3
Histrionicus histrionicus (Harlequin Duck)
Salvelinus malma (Dolly varden)

* 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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