Toshiro Saisho’s scientific contributions

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Publications (1)


Field study on the habitat of Nautilus in the environs of Cebu and Negros Islands, the Philippines
  • Article
  • Full-text available

January 1982

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354 Reads

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12 Citations

Shozo HAYASAKA

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Toshiro Saisho

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Yoshio Kakinuma

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[...]

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Renato G. Garcia

On the basis of, and as a development of the preliminary survey in 1980, the main work of the present research project, entitled the "Marine Ecological Studies on the Habitats of Nautilus in the Environs of Cebu and Negros Islands, the Philippines" was carried out in 1981 for about a month from 26th August to 26th September, as a joint venture of Japanese and Philippine research workers. In this article the processes and the results of the field study in 1981 are reported with some remarks on the trapped specimens of nautilus pompilius from the area studied.

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Citations (1)


... During the day they either rest at depths of around 200 m or forage at depths up to 700 m, and during the night move almost continuously between depths of 130 and 700 m [1]. While foraging at depth animals encounter low concentrations of oxygen (oxygen partial pressure, PO 2 , approximately 50 mmHg or 30% of air-equilibrated surface water; [2].) The high capacity of the haemolymph for oxygen storage [3], the high affinity of haemocyanin for oxygen 2018 The Authors. ...

Reference:

Swimming mechanics and propulsive efficiency in the chambered nautilus
Field study on the habitat of Nautilus in the environs of Cebu and Negros Islands, the Philippines