TABLES-Continued 



Page 



53 Sand accumulation in cubic yards per linear foot of beach on major plantings . . 149 



54 Sand accumulation in cubic yards per linear foot of beach for north Padre 



dunes constructed with sea oats and bitter panicum 150 



55 Sand accumulation for south Padre Island dunes 151 



56 Composition, by frequency and dry weight, of foreslope of 1,200-foot sea 



oats dune, north Padre Island, October 1973 158 



57 Natural invasion of unplanted species of plants into experimental plots on 



Padre Island, May 1974 162 



58 Composition of vegetation leeward of 1,200-foot sea oats dune 168 



59 Composition of vegetation along 300-foot permanent transect west of 



1,200-foot sea oats dune, September 1973 169 



60 Composition of vegetation leeward of North Section Fence, south Padre Island, 



November 1973 169 



FIGURES 



1 Map of Padre Island, Texas 15 



2 Schematic cross-sectional profile of north Padre Island and some dominant 



plants of major communities 20 



3 Aerial photo (1969) of north Padre Island 21 



4 Aerial photo (1970) of south Padre Island, north of Andy Bowie Park 22 



5 Annual precipitation at Corpus Christi, Texas (1931-73) showing irregular 



dry and wet cycles 30 



6 Native grasses used in test plantings 36 



7 Locations of four vegetative-survey transects, north Padre Island 38 



8 Unplanted (control) areas in north and central Padre Island 42 



9 A surviving live oak motte near Permian Tank road, Padre Island National 



Seashore 44 



10 Location of north Padre Island experimental plantings 49 



1 1 Location of south Padre Island experimental plantings 50 



12 Flow diagram: six major aspects considered in dune stabilization 52 



13 Flow diagram: selecting the best suited species for dune stabilizati on 53 



