Ecological Survey of the Waters of Willacy and Kenedy Counties Which are Affected by or Influenced by Port Mansfield Pass, Jetties and Channel - Developmental Survey of the Waters of Willacy and Kenedy Counties, Especially Those Waters Which are Affected by the Opening of Port Mansfield Pass and Channel

Port Mansfield Pass, between the Gulf and the Laguna Madre, was closed throughout the period to allow construction of jetties. Hydrographic data and biological samples were obtained and the results compared with similar samples obtained during previous years. Changes in vegetative coverage, changes in habit of marine fauna and influx of new species have been noted.