Table 18. Mean percent survival of planted species. Data combined for 
the four study blocks by.zone (upper, middle, lower) and 
planting date-Continued 
Planting Dates (Month and Day 1974)* 
Species 9 Jan. 1 Mar. : 9 Mean 
an ar.| 10 Apr.| 20 Ma | 8 July | 
g Smooth cordgrass 26.7 
= Big cordgrass 9, 
= 
ao Gulf cordgrass*** 23.4 
Saltcedar 0.4 
Giant reed 0.0 
Black mangrove** 13.7 
Saltgrass 0.0 
Needlegrass 0.0 
: Common reed o®) 
8 American bulrush 0.0 
: Olney bulrush 3.15 
es Saltmarsh bulrush 0.0 
Smooth cordgrass 9.3 
Big cordgrass 0.0 
Gulf cordgrass*** 0.7 
Saltcedar 0.0 
*Data collected 19 to 21 September 1974. 
**Black mangrove was not included in early plantings. 
***Normally a natural occurring dominant in this zone and was not planted. 
45 
