Faye Grubbs

By the early 1990s, boat propeller scars were causing significant damage to seagrass beds in Redfish Bay, Texas. Efforts initiated by Texas Parks and Wildlife Department (TPWD) to address the problem began in 2000 with the designation of Redfish Bay as a State Scientific Area (RBSSA). An education and outreach program was initiated and three voluntary no-prop zones were established. However, these efforts were largely unsuccessful. Public comments made to the Texas Parks and Wildlife Commission in 2005 indicated a strong desire by constituents to see a more effective education and outreach...

In May 2006, the Texas Parks and Wildlife Department enacted a regulation which prohibits the uprooting of seagrasses by propellers within the Redfish Bay State Scientific Area (RBSSA) located in Aransas and Corpus Christi Bays, Texas. Two complementary studies were implemented to evaluate the efficacy of the new regulation and to quantify the magnitude of propeller scarring. In the first study, 35 randomly-selected 100-m transects were established and the total number of propeller scars on each transect were recorded annually, with qualitative and quantitative information collected on...