Marine ecology: Which is the most important variable of contact rate (Z) for grazzers?

Question

Which is the most important variable of contact rate (Z) for grazzers?

Asger LIndberg-Nielsen · Accepted Answer

Prey concentration
They can switch between preffered prey when abunsances change. 
For instance untill bloom copopods might feed on ciliates but switch to flagelates during bloom.

Marine ecology

Which is the most important variable of contact rate (Z) for grazzers?

Prey concentration They can switch between preffered prey when abunsances change. For instance untill bloom copopods might feed on ciliates but switch to flagelates during bloom.

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