A study was carried out on
the impacts of temperature and light/dark regime on the Egg Development Time
(EDT) of the cyclopoida copepod, Mesocyclops
ogunnus in Lake Kinneret. It was found that EDT was 148, 33 and 20 hours
under 15°C, 22°C, and 27°C respectively. EDT was different between the two
regimes of 12/12 hrs light/dark and 24 hrs light. Egg hatching and survival
were higher under 24 hrs light regime. The results of temperature and light
regime impacts on EDT indicate ecological implication on cyclopoida copepod population
dynamics in lakes. The implication of the results to the global warming trend
is also suggested.
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