FIGURE 4. — Areas fished by commercial 

 fishery during the 1972 season. Loca- 

 tions taken from ship's log. 



FISHERY BULLETIN: VOL. 75, NO. 2 

 1 



V • 



+ 



/"K 



......... March 



April 



O May 

 ©©©©©© June 

 July 



^ ——_  "" August 



 •■■■■• Stpttmb«r 



L 



9 

 9 



9 

 9 



.■■■9T- 

 9 



9 



% 

 9 



V 



30' 





- 34"20 



'^V 



J_ 



50 



76"40 



FIGURE 5. — Environmental data col- 

 lected from the calico scallop grounds. 

 Each data point for water and salinity 

 indicates individual date sampled. Let- 

 ters on chlorophyll graph refer to sta- 

 tion sampled that date, see Figure 2 for 

 locations. 



c 



28 

 26 

 24 

 22 

 20 

 IS 

 16 

 14 

 12 



1.6 

 L4 



1.2 

 1.0 

 .8 

 .6 

 .4 

 .2 

 



-\ 1 1 1 r 



TEMPERATURE 



CHIOROPHYU 



°/ 

 'oo 



39 

 36 

 34 

 32 

 30 



F.b 



II 21 31 

 Mar I 



Apr 



• II 24 

 Aug l 



S«P 



7 17 27 



Ocl I 



Cape Lookout (Taylor and Stewart 1959; Wells 

 and Gray 1960; Gaul et al. 4 ) may produce high 

 plankton concentrations and that these concen- 



trations may occur where scallop abundance is 

 greatest. Chlorophyll a analyses during 1972 

 (Anonymous 5 ) suggested that a fairly stable but 



"Gaul, R. D., R. E. Boykin, and D.E. Letzring. 1966. Northeast 

 Gulf of Mexico hydrographicsurvev data collected in 1965. Texas 

 A&M Univ. Dep. Oceanogr. Proj. 286-D, Ref. 66-8T, 202 p. 



^Anonymous. 1972. Data report for R/V Eastward cruise 

 E-12-72, July 3-8, 1972. Duke Univ. Mar. Lab., Beaufort, N.C., 

 34 p. 



432 



