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Featured researches published by Takeshi Kajihara.


Journal of the Oceanographical Society of Japan | 1975

Sessile animals on tar globules in the waters around the Ryukyu Islands

Takeshi Kajihara; Yoshinori Ura; Miyako Tachibana

A large number of tar globules with sessile organisms were collected from the surface tows taken with larval nets in the waters around the Ryukyu Islands during November and December, 1973. Bryozoans (one species), tubeworms (Serpulidae,Janua (Dexiospira) foraminosa (Moore &Bush)) and goose barnacles (Lepas pectinataSpengler,L. anatiferaLinné) were the most important species of sessile animals found on these tar globules. Sinking of tar globules byLepas of middle or large size was suggested from the differences in their specific gravity.


Nippon Suisan Gakkaishi | 1987

Age determination of ayu with otolith

Katsumi Tsukamoto; Takeshi Kajihara


Nippon Suisan Gakkaishi | 1975

Swimming Ability of Fish

Katsumi Tsukamoto; Takeshi Kajihara; Masaharu Nishiwaki


Nippon Suisan Gakkaishi | 1988

Studies on early life history of Anguilla japonica in 1986 survey cruise by R.V. Hakuho Maru - III. Sampling leptocephali with reference to the diel vertical migration and the gears.

Takeshi Kajihara; Katsumi Tsukamoto; Tsuguo Otake; Hiroshi Hasumoto; Machiko Oya; Noritaka Mochioka; Osame Tabeta


Nippon Suisan Gakkaishi | 1989

Studies on early life history of Anguilla japonica in 1986 survey cruise by R.V. hakuho-maru - IV. Age and birth date of Anguilla japonica leptocephali collected in Western North Pacific in September 1986.

Katsumi Tsukamoto; Akima Umezawa; Osame Tabeta; Noritaka Mochioka; Takeshi Kajihara


Nippon Suisan Gakkaishi | 1988

Studies on early life history of Anguilla japonica in 1986 survey cruise by R.V. Hakuho Maru - I. Distribution of Anguilla japonica leptocephali in Western Pacific during September 1986.

Takeshi Kajihara


Nippon Suisan Gakkaishi | 1990

Effects of environmental factors on jumping behaviour of the juvenile ayu Plecoglossus altivelis with special reference to their upstream migration.

Kazuo Uchida; Katsumi Tsukamoto; Takeshi Kajihara


Marine Ecology Progress Series | 1984

Population dynamics and life cycle of Hyale barbicornis (Amphipoda, Crustacea) in a blue mussel zone

Takehiko Hiwatari; Takeshi Kajihara


Nippon Suisan Gakkaishi | 1984

On the relation between yolk absorption and swimming activity in the ayu larvae Plecoglossus altivelis.

Katsumi Tsukamoto; Takeshi Kajihara


Nippon Suisan Gakkaishi | 1967

A Preliminary Experiment on the Return of Tagged Chum Salmon to the Otsuchi River, Japan

Yoshio Hiyama; Toru Taniuchi; Kazuhei Suyama; Kiyoshide Ishioka; Ryuhei Sato; Takeshi Kajihara; Takashi Maiwa

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