Influence of body mass and environmental oxygen tension on the oxygen consumption rates of an enteropneust, Glossobalanus crozieri

Brazilian Journal of Medical and Biological Research

A.s.f. Ditadi¹  E.g. Mendes²  M.s.c. Bianconcini² 

关键词: Enteropneusta;    Glossobalanus crozieri;    respiration;    body mass;    oxygen tension;   

DOI  :  10.1590/S0100-879X1997001200010

来源: SciELO

【 摘 要 】

The present study deals with a species of enteropneust, Glossobalanus crozieri, focusing on two aspects of its respiration: a) oxygen consumption and body mass, and b) the influence of environmental oxygen tension on the respiratory rate. Preliminarily, the body water content was shown to be 85% of the whole body weight. The regression coefficient of the oxygen consumption on the wet body mass (0.578) seems to agree with the view that in enteropneusts respiration is mainly cutaneous. The respiratory rate was significantly reduced at O2 tensions from 76 mmHg downwards, suggesting conformity rather than regulation

【 授权许可】

CC BY   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License