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I'm working with scallop (pecten maximus) stock assessment in Ireland.  One
of the stock assessment procedures that i am carrying on is a sampling
programm from the landings.  Shell height is recoreded from each landing.
After several measurements from differents vessels, differents fishing
areas and different time of the year i want to study the effect of vessels,
season and location, on the scallop size structure obtained from the
sampling.  I understand that analysis of variance (ANOVA or MANOVA) is the
method to use for this study but maybe some of you has experience working
with similars studies and can advice to me of which statistic analysis is
the more suitable.

Thanks very much

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