Effects of different light/dark regimes and algal food on growth, fecundity, ephippial induction and molting of freshwater cladoceran, Ceriodaphnia quadrangula

Combined effects of different light regimes and algal foods on population growth, ephippia (resting eggs) production, fecundity, molting and body size of Ceriodaphnia quadrangula were investigated. Four light/dark regimes in combination with two algal diets of Scenedesmus quadricauda (S) and Chlorel...

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Bibliographic Details
Published in:Aquaculture 2013-10, Vol.410-411, p.190-196
Main Authors: Taghavi, Delaram, Farhadian, Omidvar, Soofiani, Nasrollah Mahboobi, Keivany, Yazdan
Format: Article
Language:English
Subjects:
Algae
Algal foods
Animal and plant ecology
Animal aquaculture
Animal productions
Animal reproduction
Animal, plant and microbial ecology
Aquaculture
Biological and medical sciences
body size
Ceriodaphnia
Ceriodaphnia quadrangula
Chlorella vulgaris
Crustacea
Crustaceans
Diet
Fecundity
foods
Fresh water ecosystems
Fundamental and applied biological sciences. Psychology
General aspects
Growth
Invertebrates
Light
Light regime
Molting
Physical growth
Population density
population growth
Scenedesmus quadricauda
scotophase
Synecology
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Summary:Combined effects of different light regimes and algal foods on population growth, ephippia (resting eggs) production, fecundity, molting and body size of Ceriodaphnia quadrangula were investigated. Four light/dark regimes in combination with two algal diets of Scenedesmus quadricauda (S) and Chlorella vulgaris (C) namely: 4L: 4D+S, 6L: 6D+S, 8L: 8D+S, 12L: 12D+S, 4L: 4D+C, 6L: 6D+C, 8L: 8D+C, and 12L: 12D+C were assigned to present study. The highest population density and growth rate were obtained at 12L:12D+C (1860 ind/l and 0.29/day) and 6L:6D+C (1760ind./l and 0.28/day), which were significantly different from other treatments (p
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2013.06.026