~]iiiiiiiii i |iiii n i iiii p ii ff iiiiii|iiiiiiii iii|iiiiiiiiiii[iiiiiiiiiii[ i i i iiiiii'~ 



m s J 

 1972 



m s 

 1973 



ms)msjmsjms) 

 1974 1975 1976 1977 



m s 

 1978 



( ) l-50mm 



( ) All Sizes 



YEAR and MONTH 



Figure 40. Monthly frequencies of blue crabs and variations in important 

 physicochemical parameters at the 10 day-time stations in the Apalachicola 

 estuary from March 1972 through March 1978 (Laughlin and Livingston, 

 unpubl . ) . 



92 



