FIGURES-Continued 



Page 



14 Flow diagram: sequence of events in propagating grasses for dune stabilization . 54 



15 Flow diagram: factors affecting transplant survival of grasses planted for dune 



stabilization 55 



16 Flow diagram: methodology of planting grasses for dune stabilization 56 



17 Flow diagram: postplanting care of grasses planted for dune stabilization .... 57 



18 Flow diagram: long-term considerations in dune stabilization witb grasses .... 58 



19 Vegetative culms (transplants) of sea oats and bitter panicum 63 



20 Growtb habit of bitter panicum 64 



21 Bitter panicum growth at end of first summer 65 



22 Growth habit of sea oats 68 



23 Sea oats growth at end of first summer 69 



24 Photo sequence of sea oats nursery, and bitter and shoredune panicum nursery . 73 



25 Variation in subsurface soil salinity and soil moisture, as influenced by rainfall 



and saltwater inundations 80 



26 Response of sea oats, bitter panicum, and shoredune panicum transplants to 



soil salinity level under greenhouse conditions 84 



27 Percent total available carbohydrates stored in roots and rhizomes of bitter 



panicum and sea oats 87 



28 Survival and growth of selected north Padre sea oats plantings, comparing 



open beach versus protected beach sites 104 



29 Survival and growth of selected north Padre bitter panicum plantings, 



comparing tillers versus primary culms and open beach versus protected 



beach 105 



30 Selection of transplant material 112 



31 Twin Batteries 1,200-foot section planted March 1969, with sea oats and 



saltmeadow cordgrass 115 



32 Bitter panicum (1,100-foot plot) planted on north Padre Island, 



February 1970 116 



33 South 400-foot sea oats planting on south Padre Island 117 



34 Two-foot-liigh picket fences used for elevating the planting surface across a 



hurricane washover channel 118 



35 Transplanting on fence-built dunes with and without mulch-netting. 1972 .... 120 



