City:C/Town:T/
Village:V |
Wetland
type |
Biota
|
Habitat
|
Reason
for selection |
Kamikita T,
Rokkasho V,
Misawa C |
Lakes
and marshes, Lagoon, Estuaries with tidal flat |
Wetland vegetation |
Ogawara-ko and
neighboring wetlands (including Obuchi-numa, Takahoko-numa, Ichiyanagi-numa,
Tamogi-numa and Takase-gawa) |
Forests of Alnus japonica
and aquatic plant communities occur in these wetlands. More
than 53 aquatic plant species are identified. |
| Aquatic plants |
Lakes and marshes
in Shimokita-hanto |
Lakes and marshes found
in an area from Obuchi-numa (marsh) to Ogawara-ko (lake). Aquatic
plant communities with a high species diversity are formed. Except
for some part, these lakes and marshes are well endowed with nature. |
| Freshwater algae |
Ichiyanagi-numa |
Habitat of Chara braunii,
classified as Endangered (EN) or Critically Endangered (CR). |
| Geese and ducks |
Ogawara-ko and
neighboring wetlands (paddies and Obuchi-numa) |
Stopover sites of Cygnus
cygnus and C. columbianus. Takahoko-numa, Ichiyanagi-numa
and Tamogi-numa (marshes) are breeding sites of Podiceps cristatus. |
| Insects |
Ogawara-ko and
neighboring wetlands (including Obuchi-numa, Takahoko-numa, Ichiyanagi-numa,
Tamogi-numa and Takase-gawa) |
Habitat of Mortonagrion
selenion, Sympetrum uniforme, Gerris babai, Euconomelus lepidus
and Gargara doenitzi. Among the lakes and marshes found
in southern part of Shimokita-hanto (peninsula), included in this
wetland site are those located in Rokkasho-mura (village). They
are, from north to south, Obuchi-numa, Takahoko-numa, Ichiyanagi-numa
and Tamogi-numa. The first two are brackish marshes connected to
the Pacific Ocean. They have shallow lakefronts covered by marsh
plant communities. No endemic insects species has been recorded,
but they provide a unique environment in which brackish marshes,
along with adjoining grasslands, are preserved under cold climate.
Although a thorough study is yet to be conducted, these marshes
support many valuable insects, including species that are found
to occur only at these sites in Aomori Prefecture or Honshu (mainland
of Japan). |
| Freshwater shellfish |
Lakes and marshes
in Shimokita-hanto |
Rich in species diversity.
Habitat of Culmenella rezvoji, classified as Endangered (EN)
or Critically Endangered (CR), Margaritifera laevis (classified
as Vulnerable (VU)), and Potamocorbula amurensis. |
| Benthos |
Ogawara-ko and
neighboring wetlands (including Obuchi-numa, Takahoko-numa, Ichiyanagi-numa,
Tamogi-numa and Takase-gawa) |
Habitat of Corbicula
japonica and Macoma takahokoensis (a rare species). |
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