City:C/Town:T/
Village:V |
Wetland type |
Biota |
Habitat |
Reason for selection |
| Hamanaka T |
Wetland complex including
bogs,
Rivers,
Lakes and marshes.
Seagrass beds,
Brackish lakes |
Wetland vegetation |
Kiritappu-shitsugen and Poroto-shitsugen |
Communities of Moliniopsis
japonica-Sphagnum papillosum, M. japonica-S. fuscum, M. japonica-Eriophorum
vaginatum, M. japonica-Carex lasiocarpa var. occultans, C.
limosa, Rhynchospora alba and Phragmites communis-Calamagrostis
langsdorffii, and forests of Alnus japonica. Communities
of various aquatic plants including Brasenia schreberii, Trapa
japonica and Potamogeton natans. |
| Seagrasses |
Poroto-numa |
A brackish marsh located
in Poroto-shitsugen, where Zostera japonica occurs. |
| Seagrasses |
Nearshore waters of Hamanaka |
Habitat of Zostera
asiatica. |
| Geese and ducks |
Biwase-wan |
Stopover site of Branta
bernicla. |
| Other birds |
Kiritappu-shitsugen and Poroto-numa |
Habitat of Grus japonensis.
About 5% of the total number of the nests built is found here. |
| Freshwater fish |
Habitat of Hucho
perryi in Konsen-genya | This wetland site encompasses
large and small rivers in Konsen-genya, such as the Ichani-gawa,
Shibetsu-gawa, Tohoro-gawa, Shunbetsu-gawa, Tokotan-gawa, Nishibetsu-gawa,
Furen-gawa, Biwase-gawa, Bekambeushi-gawa, Kushiro-gawa and Akan-gawa,
and lakes and marshes in the vicinity, all of which are inhabited
by Hucho perryi and Phoxinus percnurus sachalinensis. |
| Insects |
Kiritappu-shitsugen |
This wetland provides
habitat for Nehalennia speciosa, Lestes dryas, Aeschna subarctica,
Somatochlora arctica, Sympetrum flaveolum flaveolum and Leucorrhinia
dubia orientalis. Many boreal species of grassland origin, such
as Aphelia septentrionalis, Pennisetia hylaeiformis, Leucorrhinia
dubia orientalis, Nehalennia speciosa, Aeschna subarctica, Cychrus
morawitzi and Procrustes kolbei aino, are found. The
site abounds in water striders including Gerris rufoscutellatus
genitalis, G. babai and G. latiabdominis as well as dragonfly
species. |
| Benthos |
Biwase-wan and Biwase-gawa estuary |
Habitat of Ruditapes
philippinarum. |
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