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Diel variation and the effect of starvation on amylase activity of Heliodiaptomus cinctus (Gurney), (Crustacea: Copepoda: Calanoida)

2008; Taylor & Francis; Volume: 40; Issue: 3 Linguagem: Inglês

10.1080/09291010802402196

1744-4179

Tapan K. Dutta, Priti Ranjan Pahari, Tanmay Bhattacharya,

Marine and coastal ecosystems

Amylase activity in a calanoid copepod, Heliodiaptomus cinctus, exhibited a rhythmic pattern of diel variation with a peak in the early morning and a minimum level in the evening. In a normal food state and in a metal ion stress state, the enzyme activity decreases through time but in a food scarce state amylase activity exhibited a short-term increase followed by a decline.