抄録
Succession of marine epiphytic diatoms were studied at Nou town, Niigata Prefecture in Japan. The samples collected from two sites on the concrete of a laver farm and one rock of costal leef about two meters offshore in each winter of 1995,1996 and 1997. The results are as follows.
(1) The 34 genera,64 species,4 varieties and 1 forma of diatoms were revealed at two sites.
(2) The succession of diatom assemblages were remarkably changed every month in winter. It may be different according to the epiphytic materials, ie on the concrete of laver farm and the sma ll seaweeds in winter.
