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The effect of diet and temperature on reproductive rate inArcella vulgarisEhrenberg (Sarcodina: Testacida)

✍ Scribed by Gohanna Laybourn; Lindsay Whymant

Publisher: Springer-Verlag
Year: 1980
Tongue: English
Weight: 268 KB
Volume: 45
Category: Article
ISSN: 0029-8549
DOI: 10.1007/bf00346471

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✦ Synopsis

The acceptability of bacterial, algal and fungal food cources as manifested by reproductive rate was investigated in Arcella vulgaris at 5°C intervals between 10°C-25°C. Bacteria and diets containing bacteria produced the highest rates of reproduction, a fungal diet induced the lowest rate of reproduction. On all diets reproductive rate increased with temperature up to 20°C, thereafter levelling out. Generation times were long, ranging from 64 h to 95 h, depending on diet and temperature. Consumption experiments using bacteria as food indicated that energy consumption was independent of temperature.

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