Effect of temperature on oxygen consumption and heart rate of the australian crayfish Cherax tenuimanus (Smith)

Villarreal H. (1990) Effect of temperature on oxygen consumption and heart rate of the australian crayfish Cherax tenuimanus (Smith). Comparative Biochemistry and Physiology -- Part A: Physiology, 95 1: 189-193. doi:10.1016/0300-9629(90)90031-M


Author Villarreal H.
Title Effect of temperature on oxygen consumption and heart rate of the australian crayfish Cherax tenuimanus (Smith)
Journal name Comparative Biochemistry and Physiology -- Part A: Physiology   Check publisher's open access policy
ISSN 0300-9629
Publication date 1990-01-01
Sub-type Article (original research)
DOI 10.1016/0300-9629(90)90031-M
Volume 95
Issue 1
Start page 189
End page 193
Total pages 5
Subject 1314 Physiology
1312 Molecular Biology
1303 Specialist Studies in Education
Abstract 1. 1. Oxygen consumption at 18°C was 60% of the rate at 22 and 26°C. 2. 2. Critical points, where the rate of oxygen consumption changed, were defined at 22°C (2.89 mg DO) and 26°C (3.46 mg DO). Linear regressions were fitted showing that oxygen consumption declined significantly (81.5% ±4.5) below the critical point. 3. 3. Oxygen consumption was proportional to weight. Allometric relationships resulted in variable temperature-related coefficients for respiratory dependence on weight, a reflection of the crayfish adaptation towards re-establishment of a new equilibrium state. 4. 4. Heart beat rate was lower at 18°C, and highest at the acclimation temperature (22°C). Stress at 26°C was evident.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 30 Aug 2016, 14:05:36 EST by System User