Ooyamazawa Riparian Forest Research Site - Japan

Riparian forest in cool-temparate zone.The study site (35°57'30"N, 138°45'32"E) is located in a riparian zone along a small stream (Ooyamazawa) of the Nakatsugawa branch of the Arakawa River, in Chichibu Mountains, central Japan. This site is located in the protected Chichibu-Tama National Park and ranged from 1210-1530 m above sea level. This riparian forest in this area phytosociologically belongs to the Chrysosplenio-Fraxinetum spaethianae, a typical riparian forest. Dominant canopy species in this area are Fraxinus platypoda, Pterocarya rhoifolia and Cercidiphyllum japonicum over 30 m in tree height. The subcanopy specie are Acer shirasawanum and Acer mono, and the understory is primarily composed of Acer carpinifolium and ...