. Ecological study of the Amoco Cadiz oil spill : report of the NOAA-CNEXO Joint Scientific Commission . FIGURE 23. Same site as that in Figures 21 and 22 just after planting Puccinellia in interior and Halimione on the perimeter of area, May 1981. Nursery Plantings It was obvious from our initial visit to lie Grande that transplant sources could become exhausted as we began scaling up the planting operation. With rehabilitation of larger areas as a goal, we explored the possibility of establishing nursery areas for two of the most promising species, Puccinellia and Halimione. The Puccinellia
. Ecological study of the Amoco Cadiz oil spill : report of the NOAA-CNEXO Joint Scientific Commission . FIGURE 23. Same site as that in Figures 21 and 22 just after planting Puccinellia in interior and Halimione on the perimeter of area, May 1981. Nursery Plantings It was obvious from our initial visit to lie Grande that transplant sources could become exhausted as we began scaling up the planting operation. With rehabilitation of larger areas as a goal, we explored the possibility of establishing nursery areas for two of the most promising species, Puccinellia and Halimione. The Puccinellia nursery area was established at Kerlavos in May 1979 in conjunction with a type of transplant and fertilizer materials experiment. The nursery area for Halimione was incorporated into a fertilizer materials experiment with three other species at lie Grande in May 1980. Both areas were refertilized with Mag Amp + Osmocote to determine the effect of fertilizer in addition to that applied at planting (Fig. 24). A limited number of transplants were taken from each nursery area in May 1981 and compared with transplants of the same species taken from the natural marsh in experimental plantings at lie Grande. Another approach to the problem of transplant propagation was undertaken in a joint venture with Monsieur Levasseur in 1981. He took Puccinellia plants from a natural marsh, transplanted them into small plastic pots, and grew them in his garden in Rennes for several weeks in the spring (Fig. 25). These transplants were planted in an experimental plot at lie Grande in May 1981 to compare their growth response with transplants taken from the natural marsh at the time of planting (Fig. 26). 379
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