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Effect of temperature on the development, growth and egg production in Daphnia carinata King (Cladocera-Daphnidae)

✍ Scribed by K. Venkataraman; S. V. Job

Publisher
Springer
Year
1980
Tongue
English
Weight
425 KB
Volume
68
Category
Article
ISSN
1573-5141

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✦ Synopsis

The embryonic and post embryonic development of the cladoceran Daphnia carinata has been studied in the laboratory at two different temperatures (35 and 15Β°C). The duration of embryonic development is inversely proportional to the temperature. The total number of instars increases with the decrease in temperature ; nine at 35Β°C and sixteen at 15Β°C. The average duration of an instar is 29 hrs at 35Β°C and 128 hrs at i3 Β°C . The lower (15Β°C) and the higher (35'C) temperatures restrict egg production .

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