... ARTICLE Effect of Changes in Dissolved Oxygen Concentrations on the Spatial Dynamics of the Gulf Menhaden Fishery in the Northern Gulf of Mexico Brian J Langseth,*,1 Kevin M Purcell, J Kevin Craig, ... in uence the spatial distribution of the catch, effort, CPUE, and probability of fishing in the Gulf Menhaden fishery of the northern GOM Spatial patterns in the effects of DO on response variables ... for Gulf Menhaden in the northern GOM 225 FIGURE Map of fishing locations in the Gulf Menhaden fishery, northern Gulf of Mexico Black circles represent cities that currently contain processing plants...