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REFERENCES Abbayes, H. des, G. Claustres, R. Corillion et P. Dupont, 1971, Flore et vegetation du Massif armoricain. I. Flore vasculaire, P.U.B. St-Brieuc, 1226 pp. Baker, J.M. , 1973, Reco very of salt marsh vegetation from successive oil spillages : Environ. Pollut., vol. 4, pp. 223-230. Baker, J.M., 1979, Responses of salt marsh vegetation to oil spills and refinery eff luents:_in Jefferies R.L. and A.J. Davy (eds.), Ecological processes in coastal environments, Blackwell Scientific Publ., Oxford, 684 pp. Brereton, A. J., 1971, The structure of the species populations in the initial stages of salt-marsh succession : J. Ecol., Vol. 59, pp. 321-338. Egler, F.E., 1954, Vegetation science concepts composition, a factor in old field vegetation development getatio ., vol. 4, pp. 412-417. : I. Initial floristic : Ve- Levasseur, J., M.-A. Durand et M.-L. Jory, 1981, Aspects biomorphologiques et floristiques de la reconstitution d'un couvert vegetal phanerogamique doublement altere par les hydrocarbures et les operations subsequentes de nettoiement (cas particulier des marais maritimes de l'lle Grande, Cotes du Nord) : in AMOCO-CADIZ, Consequences d'une pollution accidentelle par les hydrocarbures, C.N.E.X.O., Paris, 881 pp. Ranwell, D.S., 1972, Ecology of salt marshes and sand dunes, Chapman and Hall, London, 258 pp. Yarranton, G.A. and R.G. Morrisson, 1974, Spatial dynamics of a primary succession : Nucleation : J. Ecol., Vol. 62, pp. 417-428. 362
General RESTORATION OF MARSH VEGETATION IMPACTED BY THE AMOCO CADIZ OIL SPILL AND SUBSEQUENT CLEANUP OPERATIONS AT ILE GRANDE, FRANCE Ernest D. Seneca and Stephen W. Broome' INTRODUCTION Tidal salt marshes functon to stabilize estuarine shorelines, to exchange nutrients with sediments and the surrounding waters, to provide energy as detrital material to the estuarine food web, and to serve as nursery grounds for many commercially important fish and shellfish. Because competing land uses have resulted in a decrease in areal extent of these valuable resources in the past, there have been concerted efforts recently to preserve the remaining marshlands and to reestablish marshes at selected sites. Techniques and procedures have been developed to: (1) reestablish marsh in areas where Man has destroyed natural marsh, (2) reestablish marsh along shorelines where storms have damaged or destroyed natural marsh, (3) establish marsh along canal banks and shorelines to stabilize the substrate and retard erosion, and (4) establish marsh on dredged material (Woodhouse et al., 1974; Garbisch et al., 1975; Seneca et al., 1976). Our research efforts in marsh establishment along the southeastern coast of the United States led us to respond to an invitation from the joint scientific commission of the National Oceanic and Atmospheric Administration (NOAA)/Centre National pour l'Exploration des Oceans to study the effects of the Amoco Cadiz oil spill. We developed a proposal for restoring marsh at the lie Grande site adapting techniques and procedures developed for Spartina alternif lora Loisel. in North Carolina (Woodhouse et al . , 1974; Seneca et al., 1976) to restoration of a part of the lie Grande marsh using vegetation indigenous to that region. This interim report contains results from 2 years' marsh rehabilitation research at lie Grande and a nearby estuary at Kerlavos. Literature Review The effects of oil pollution on salt marsh vegetation have been studied and reported by European researchers. Based on observations of Welsh salt marshes affected by oil spills from the Chryssi P. Goulandris in January 1967 and the Torrey Canyon in March 1967, Cowell (1969) rated susceptibility of marsh plants to crude oil and concluded that salt marshes dominated by Spartina townsendii H. and J. Groves and Puccinellia maritima (Huds.) Pari, were most subject to damage. Stebbings (1970) studied the effects of oil from the Torrey Canyon spill on salt marshes in Brittany and found that these marshes were 1 ) Department of Botany and Department of Soil Science, respectively North Carolina State University, Raleigh, North Carolina U.S.A. 27650 363
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Na/JA/CNfiXO 0
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ECOLOGICAL STUDY OF THE AMOCO CADIZ
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Preface TABLE OF CONTENTS I. Physic
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PREFACE At approximately 11:30 p.m.
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In November 1979, an international
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CNEXO-NOAA Joint Scientific Commiss
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MICROBIAL HYDROCARBON DEGRADATION W
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Chemical Hydrocarbon Analyses Perfo
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147, 156, 170, 178, 184, 192, 198,
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The microbial hydrocarbon biodegrad
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TABLE 7. Biodegradation of 9-methyl
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The detailed gas-chromatographic an
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TABLE 13. Hydrocarbon concentration
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TABLE 17. Hydrocarbon concentration
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TTTl n rrffl KMIIMCi WOU^I ! I .Dm.
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o z o 5- 3- UJ >4 UJ - cc 2- I ll F
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z o 4. 3_ 2- t- 1 _ < K o z o 1_ o
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CONCLUSIONS Microbial degradation a
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LIQUID 5AK?lE CCNTftit-'JGAriOH + F
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The saturated hydrocarbons were mos
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acteria of the genus Moraxella, ind
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2. CONTINUOUS CULTURES In continuou
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INTRODUCTION All fate and effects s
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2.1 Sediments and Sediment Cores (E
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TABLE 2. Focus of GC/MS analyses. S
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T.ssue Semoie S50 grams Wet) HI Dis
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ae = E3£\CE '.tC'-SSE S* -•* 3 S
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TABLE 3A. Weathering of AMOCO CADIZ
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fli-Liftim Mi.u".- i I 7 1 1 5 6 /
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3.2 Surface Sediments (Atlas, Unive
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_l I I I I I L_ a •BIOGENIC P •
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TABLE 6. Replication of hydrocarbon
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-I—i i i i i i i i—i—i—I t
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t i I hn I 94 n,, , i i I ABCOEFGHI
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C30BT:177ng g 1 * ? » I—I—I I
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marker compounds, the C3 dibenzothi
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TABLE 8. AMOCO CADIZ sediment sampl
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TABLE 11. St. Michel en Greve/Lanni
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TABLE 14. L'Aber Benoit GC/MS resul
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3.4 Sediment Cores (Ward, Montana S
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' TABLE 16. L'Aber Wrac h sediment
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!•[ 220 = f occEMeea 1979 AUGUST
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10 120 1000 no g 400 600 ALU ISO AL
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The AMC-4 cores appear dominated by
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3.5 Oysters and Plaice (Neff, Batte
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The GC traces for the impacted oyst
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m/e m/8 m/e Lja.i t: J b l| c I "II
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-* I I I I ABCDEFGH IJ K LMNOPQRSTU
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AROMA IK S SATURATES 4-1 FIGURE 3.7
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TABLE 20. AMOCO CADIZ chemistry pro
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TABLE 24. Results of ISTPM fish ana
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3.7 Seaweed and Sediments (Topinka,
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ma. w p FIGURE 3.81. HC-4-1 seaweed
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9) Oysters were initially heavily i
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STUDIES OF HYDROCARBON CONCENTRATIO
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sample 1 - extraction (toluene meth
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TABLE 1. Hydrocarbon content of lie
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TABLE 3. Chromatographic analysis o
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1A _jiU' IB •JlIw '3 L Pr i 2A 2B
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CD o 0. - f 2104 "*. vli . ! i » -
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A IB A HC. SATURES S M C C [HiLJJL
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The relative contents of saturated
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31-03-78 22-11-78 20-06-79 17-1-80
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PORTSALL 23-3-78 FPD AW 22-11- 78 F
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31-03-78 22-11-78 20 - 06 - 79 17-
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STATION 6 i—r 3400 3000 1600 31-0
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PORTSALL 23-3-78 FPD AW 22-11-78 FP
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Photometry Detection (FPD) as well.
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1 r PIODUI7S F.ECUPEF.ES BRUT DECAN
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The chromatogram of the saturated h
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etween the end of March and early A
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certain chemical species which are
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It should be noted that a sample ta
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REFERENCES CITED Aminot, A., 1981,
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affected a very large section of th
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OIL POLLUTION IN THE WESTERN ENGLIS
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atio of more than 100 is an index o
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TABLE 4. Comparison between hydroca
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FIGURE 7. Sampling stations in the
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IBB 000,- HC CPPM] ib me. lass. 100
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ACKNOWLEDGMENTS We would particular
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METHANE-PRODUCING BACTERIA POLYMERI
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AMOCO CAQiZ ® BE" 'LOUT U A8ER .^"
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and methanolic (f~) fractions for o
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14 99%) from New England Nuclear; n
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concentrations were extremely low (
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(A) Oiled Estuary Mudtiat cms " i l
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TABLE 3. Aromatic Hydrocarbons in B
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TABLE 4. 11 *C0 2 + 1
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IGO 3-6 cm slurry IGO 3-6cm slurry
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FRESH OIL hk UjlAdU-uJM^vA. i^w*XaA
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TABLE 7. Effect of AMOCO CADIZ Mous
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14 TABLE 10. Effect of Hydrocarbons
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pounds were, however, noted at dept
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effects of additional heavy oiling.
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Centre Nationale pour ' 1 Exploitat
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S^rensen, J., D. Christensen, and B
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REPONSES DES PEUPLEMENTS SUBTIDAUX
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Les nouvelles populations caracteri
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TABLEAU I. L' evolution des peuplem
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B Dui © ® Du 2 © Sf FIGURE 4. Ev
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populations initiales durant la pre
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vs w DU w VS/ FV W DU,B SHV W ' \ /
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Connell, J.H. et R.O. Slatyer, 1977
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Les unites cenotigues correspondant
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les peuplements de la baie de Morla
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R, E c a ~ a H CO 3 -> E ;j cu R. a
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-
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leurs du meme ordre qu'avant la pol
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N/m 10 10 10 10 • -* Cycle normal
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3.2.3.2) Peuplement des sables tres
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Richesse specifique (fig. 10) D'avr
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N.m-2 300^ 250 200- 150 100 50 -•
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propor tionnels aux quantities d'hy
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Den HARTOG, C. 8 R.E.W.H. JACOBS, 1
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ETUDE EXPERIMENTALE D'UNE POLLUTION
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I. Pump2 Pumpl HL_Q I § i I ,1 1 I
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3000 1500 1000 - FIGURE 2. Evolutio
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L'evolution des Copepodes harpactic
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La sensibilite de cet indice semble
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La biomasse est sensiblement plus f
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BIBLIOGRAPHIE Andrassy, I., 1956, D
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Pearson & Rosenberg, 1978, Macroben
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INTRODUCTION Dans le cadre du suivi
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Pigments chlorophylliens RESULTATS
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apparente en decembre 1978 et aout
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Pheo (vg/q ) Ca (pg/g) 5 5 to 15 \
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Les conditions meteorologiques (fac
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TABLEAU 2. Evolution temporelle des
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On peut aussi expliquer , du moins
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A Brouennou, quatre groupes ecologi
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un groupe de sabulicoles epi- et en
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schema des mecanismes regulateurs d
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Gargas , E., 1970, Measurement of p
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LONG-TERM IMPACT OF THE AMOCO CADIZ
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The first type is due to the direct
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RESULTS Tissues from 134 specimens
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Table I. Distribution of patholocie
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a. B o r— IT) —
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antenai, and longitudinal spiral ro
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epresented an inflammatory response
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lateral nuclei were present. The ci
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There was also some indication, bas
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This method, based on the glucose o
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Table 4 . Concentrations of total a
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Table 6 . Concentration of aliphati
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sediments which is dominated by hig
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Table 9 . Concentration of aromatic
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COn,pOUnd Table 11 . Concentration
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Table 12. Concentrations of total a
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. Table 14. Concentration of alipha
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Date/Sample April 1979 (13) Whole F
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Table 17 . Concentration of total l
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laboratory (Wardle, 1972). In the l
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Table 23. Concentration of ascorbic
Page 328 and 329: Table 25 • Concentration of free
Page 330 and 331: ange. Dominant tissue-free amino ac
Page 332 and 333: Table 28 Concentration of free amin
Page 334 and 335: Table 30. Concentration of free ami
Page 336 and 337: Table 32 . Concentration of free am
Page 338 and 339: oil-polluted Abers and from nearby
Page 340 and 341: REFERENCES CITED Anderson, J.W. , 1
Page 342 and 343: McCain, B.B., H.O. Hodgins, W.D. Gr
Page 345 and 346: RETABLISSEMENT NATUREL D'UNE VEGETA
Page 347 and 348: INTRODUCTION Le retablissement d'un
Page 349 and 350: Nous distinguerons alors les phases
Page 351 and 352: Situation 3) Territoires fortement
Page 353 and 354: Plus precisiment le codage correspo
Page 356 and 357: Figure 3. Marais 6-Etat en 1979 (le
Page 358 and 359: Figure 5. Marais 6-Etat en 1981 (le
Page 360 and 361: Commentaires Mis a. part un petit n
Page 362 and 363: - Marais 3. Ce transect, situe en m
Page 364 and 365: TRANSECT 'VVATS 5 Figure 8. Transec
Page 366 and 367: 05 (11 O ; cd 00 i I i I i I I I I
Page 368 and 369: 'igure 9 Transect permanent-Marais
Page 370 and 371: Commentaires - Estuaire de Kerlavos
Page 372: 1 - appel a la notion de compositio
Page 375 and 376: Figure 12. T'orphologie comparee d'
Page 377: - les plantes survivantes -initiale
Page 381 and 382: FIGURE 1. Marsh west of the bridge
Page 383 and 384: 1979 Plantings Based on our prelimi
Page 385 and 386: FIGURE 6. Digging Puccinellia along
Page 387 and 388: FIGURE 10. A 6.5-cm diameter soil a
Page 389 and 390: In September, we made 9 additional
Page 391 and 392: FIGURE 16. Creek bank without veget
Page 393 and 394: FIGURE 19. Eroding creek bank at He
Page 395 and 396: '^^Wr ./".#" -•: rst^ s8H.*r FIGU
Page 397 and 398: FIGURE 26. Experimental planting es
Page 399 and 400: Elevation All elevations are given
Page 401: FIGURE 27. Map of study area on nor
Page 404 and 405: Keri&vos FIGURE 30. Map of study ar
Page 406 and 407: ^~~ -
Page 408 and 409: TABLE 4. Survival of two types of t
Page 410 and 411: area (12 m 2 ) , and was an excepti
Page 412 and 413: TABLE 8. Aboveground dry weight of
Page 414 and 415: ,^-^ FIGURE 37. Several 2-year old
Page 416 and 417: FIGURE 38. Experimental planting at
Page 418 and 419: fr J1MI FIGURE 40. Experimental pla
Page 420 and 421: Puccinellia were planted at one of
Page 422 and 423: FIGURE 44. Preliminary planting of
Page 424 and 425: Transplant Time Requirement It is d
Page 426 and 427: is about 540 cm^ or over 20 times t
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FIGURE 53. Plant shown in Figure 51
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FIGURE 56. Experimental planting of
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ACKNOWLEDGEMENTS Cooperation with o
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LITERATURE CITED Baker, J. M. , 197
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ETUDES MICROBIOLOGIQUES ET MICROPHY
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HMMME NTHWL SWIRLING SITES Referenc
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dans les chenaux (carottes de 30 a
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degres d'une part, et entre les sta
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Schorres peu polities, CI et Bl CI
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L'activite enzymatique dans cette s
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chenaux : Conclusions sur le biotop
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Les schorres Les schorres, par cont
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stations TABLEAU 2 IIYDROfARUUKES D
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Ci 1 12-14 )uiH 79 2-7 oct 79 23-25
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E •" * — lissMs .-*. K V- v..
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FIGURE 8 Evolution temporelle des c
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150- 100 50- 150- 100- 50 446 *o
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REFERENCES BIBLIOGRAPHIQUES Atlas,
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1964-1982, COMPARAISON QUANTITATIVE
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453
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EFFETS DE LA MAREE NOIRE SUR LES PE
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ESPECES En 1980, on a pu cartograph
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3- EVOLUTION GLOBALE II semble s'am
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COUREE DE L EVOLUTION DES BIOMASSES
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464
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CO 00 466
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468
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470
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472
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I s
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476
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Q) 1
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