Stehlik et al .: Distribution and abundance of brachyuran crabs on northwest Atlantic shelf 



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JONAH CRAB 



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SYMBOL SIZE NUMBER/TOW 



o 5-19 



© 20-49 



Figure 1 1 



Jonah crab distribution, from winter dredge, spring trawl, summer dredge, and fall trawl surveys. 



most highly correlated with depth in spring, but posi- in fall, with a minor effect of depth. No significant 



tively, unlike that of rock crabs. In that subarea, their associations were found between the sex ratios and en- 



abundance was negatively correlated with temperature vironmental variables. 



