Keiji Matsuyama

Marine Algal Succession on Coralline Flats after Removal of Sea Urchins in Suttsu Bay on the Japan Sea Coast of Hokkaido, Japan.

Yukio Agatsuma, Keiji Matsuyama, Akifumi Nakata et al. · NIPPON SUISAN GAKKAISHI · 1997 · 48 citations · Full text

Seasonal foraging activity of the sea urchin Strongylocentrotus nudus on coralline flats in Oshoro Bay in south-western Hokkaido, Japan

Yukio Agatsuma, Akifumi Nakata, Keiji Matsuyama · Fisheries Science · 2000 · 37 citations · Full text

Occurrence and detrimental effects of the bivalve-inhabiting hydroid Eutima japonica on juveniles of the Japanese scallop Mizuhopecten yessoensis in Funka Bay, Japan: relationship to juvenile massive mortality in 2003

Katsuhisa Baba, Akira Miyazono, Keiji Matsuyama et al. · Marine Biology · 2007 · 21 citations · Full text

Seasonal Changes in Feeding Activity of the Sea Urchin Strongylocentrotus nudus in Oshoro Bay, Southwestern Hokkaido.

Yukio Agatsuma, Keiji Matsuyama, Akifumi Nakata · NIPPON SUISAN GAKKAISHI · 1996 · 20 citations · Full text