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these lists are the mangrove rivulus and the common snook , which are species of 14 <br /> special concern on the Florida list . <br /> 3 . 3 Socioeconomic Conditions <br /> ' Lands within the proposed restoration area were once active citrus9 roves . The <br /> purchase of these tracts most likely resulted in a net decrease in farming in the <br /> immediate barrier island area . However, as land prices increase , the trend has been <br /> that citrus farms are sold to residential developers . Recent development of lands has <br /> been at an especially high rate on the barrier island . <br /> ' <br /> Refuge habitats daily face the impacts of human development , including pollution , <br /> runoff, increased nutrients , increased sedimentation in waterways , lost adjacent habitat , <br /> feral animals , free roaming pets , litter, increased road kills , and increased demands for <br /> mosquito spraying . Additional impacts result from increased use of the Indian River <br /> Lagoon for recreational and commercial uses . <br /> ' 3 . 4 Cultural Resources <br /> Several archaeological surveys have been conducted on Pelican Island NWR lands <br /> over the years ( Rudolph and Braley , 1981 ; Eck et . al , 1998a , 1998b ; Kanaski , 2000 , <br /> 2001 ) . The most recent surveys have included the Surman tract, the Pryor tract, and <br /> the Kennedy tract . Of 8 archaeological sites identified in the general area , 4 of them <br /> occur either wholly or partially within the proposed restoration project area . In addition , <br /> Kanaski (2001 ) found one locus that warranted further investigation to determine its <br /> nature and extent . The activities of the proposed restoration shall not disturb these <br /> sites , including a 15-meter buffer area around them . <br /> In the event that a previously undetected archeological site is uncovered by this project , <br /> activity must stop and the Refuge must notify the Office of the Regional Archaeologist <br /> immediately for a site assessment. After the assessment and consultation with the <br /> State Historic Preservation Office , work will either resume or a 15-meter buffer placed <br /> around the site , dependent on its eligibility for the National Register of Historic Places <br /> ' ( Kanaski , 2001 ) . <br /> 4 . 0 ENVIRONMENTAL CONSEQUENCES <br /> 4 . 1 Alternative 1 : No Action . <br /> No action would mean no active restoration efforts would occur on the proposed <br /> restoration area . The lands are already owned by FWS , BLM , and the State . The 67 <br /> acres of active citrus groves would remain covered in grapefruit trees . Ditches would <br />