Michael A. Johns

Aerial Surveys of Texas Commercial Fishing Vessels

Low altitude aerial surveys were conducted at approximately monthly intervals from I April 1987 to 31 March 1988 to determine temporal and geographic distribution of commercial fishing in Texas bay and Gulf (Texas Territorial Sea) areas. Observers counted a total of 4,841 bay commercial vessels and 1,906 Gulf commercial vessels conducting 7 types of fishing activities over the 12-month study period. Commercial shrimping made up 87.7% of all commercial activity. Most activity was observed between May and November. Thirty-nine percent of the bay commercial activity was concentrated in...