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Table 7 . Concentration of aliphatic hydrocarbons in tissues of oysters rtvjnjocerv.: £.-;a." fron reference stations on the Brittany coast of France collected at different tin^s after the AnofO C: ;";':: oil spill. Values are in nj/n. dry weight (parts per Mllion).
sediments which is dominated by higher boiling saturated hydrocarbons. This phenomenon is unexplained and could represent selective accumulation and/or retention of lighter aliphatics or more rapid metabolism and excretion of, heavier aliphatics. The most likely explanation is that oysters were being contaminated with hydrocarbons leaching from bottom sediments into the water column. Lighter aliphatics, because of their slightly higher aqueous solubility than heavy aliphatics, are desorbed more readily from sediments and therefore are more available for uptake by the oysters. Aliphatic hydrocarbon fractions of reference oysters were more uniform (Table 7). Relative abundances of C^q to C32 aliphatics were similar. There were no consistent differences in characteristics cf the aliphatic hydrocarbon fraction between reference oysters and oysters from oil-polluted Aber Benoit and Aber Wrac'h (Table 8). With one exception (April 1979), alkane/isoprenoid ratios were higher in oysters from reference stations than in those from oil-polluted stations. Pristane/ phytane ratios were quite variable and without pattern. All but two carbon preference indices were near one indicating a petroleum origin for the high molecular weight aliphatic fraction. Composition of the aromatic fraction of oysters, as determined by gas chromatography /mass spectrometry, revealed a great deal about the origin of the hydrocarbon contamination of the oysters (Tables 9-11) . High concentrations of alkyl naphthalenes through alkyl dibenzothiophenes are characteristic of samples contaminated with crude oil. Amoco Cadiz oil was particularly rich in alkyl phenanthrenes and alkyl dibenzothiophenes. These were the most abundant aromatics/heterocyclics in oyster samples from oil-contaminated Aber Benoit and Aber Wrac'h. Aromatic hydrocarbon assemblages of crude oil origin are dominated by alkylated species, whereas aromatic assemblages of pyrogenic origin are dominated by the unalkylated parent <strong>com</strong>pound (Neff, 1979). Thus we can conclude that oysters from Aber Benoit and Aber Wrac'h at all five sampling times, and reference oysters from the December 1978 and April 1979 collections were heavily contaminated with crude oil, resembling the Amoco Cadiz oil. The other three reference samples contained some oil, but it did not resemble Amoco Cadiz oil. In oysters from the two Abers, there was a general trend for the concentration of aromatics/heterocyclics in the alkyl naphthalenes to alkyl dibenzothiophenes series to decrease slowly with time. The February 1980 samples contained higher concentrations of alkyl phenanthrenes and alkyl dibenzothiophenes than expected. It is possible that winter storms in December and January resuspended oil-contaminated sediments causing recontamination of resident oysters. 293
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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
Page 257 and 258: BIBLIOGRAPHIE Andrassy, I., 1956, D
Page 259: Pearson & Rosenberg, 1978, Macroben
Page 262 and 263: INTRODUCTION Dans le cadre du suivi
Page 264 and 265: Pigments chlorophylliens RESULTATS
Page 266 and 267: apparente en decembre 1978 et aout
Page 268 and 269: Pheo (vg/q ) Ca (pg/g) 5 5 to 15 \
Page 270 and 271: Les conditions meteorologiques (fac
Page 272 and 273: TABLEAU 2. Evolution temporelle des
Page 274 and 275: On peut aussi expliquer , du moins
Page 276 and 277: A Brouennou, quatre groupes ecologi
Page 278 and 279: un groupe de sabulicoles epi- et en
Page 280 and 281: schema des mecanismes regulateurs d
Page 282 and 283: Gargas , E., 1970, Measurement of p
Page 285 and 286: LONG-TERM IMPACT OF THE AMOCO CADIZ
Page 287 and 288: The first type is due to the direct
Page 289 and 290: RESULTS Tissues from 134 specimens
Page 291 and 292: Table I. Distribution of patholocie
Page 293 and 294: a. B o r— IT) —
Page 295 and 296: antenai, and longitudinal spiral ro
Page 297 and 298: epresented an inflammatory response
Page 299 and 300: lateral nuclei were present. The ci
Page 301 and 302: There was also some indication, bas
Page 303 and 304: This method, based on the glucose o
Page 305 and 306: Table 4 . Concentrations of total a
Page 307: Table 6 . Concentration of aliphati
Page 311 and 312: Table 9 . Concentration of aromatic
Page 313 and 314: COn,pOUnd Table 11 . Concentration
Page 315 and 316: Table 12. Concentrations of total a
Page 317 and 318: . Table 14. Concentration of alipha
Page 319 and 320: Date/Sample April 1979 (13) Whole F
Page 321 and 322: Table 17 . Concentration of total l
Page 323 and 324: laboratory (Wardle, 1972). In the l
Page 326 and 327: 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
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- Marais 3. Ce transect, situe en m
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TRANSECT 'VVATS 5 Figure 8. Transec
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05 (11 O ; cd 00 i I i I i I I I I
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'igure 9 Transect permanent-Marais
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Commentaires - Estuaire de Kerlavos
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1 - appel a la notion de compositio
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Figure 12. T'orphologie comparee d'
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- les plantes survivantes -initiale
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General RESTORATION OF MARSH VEGETA
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FIGURE 1. Marsh west of the bridge
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1979 Plantings Based on our prelimi
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FIGURE 6. Digging Puccinellia along
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FIGURE 10. A 6.5-cm diameter soil a
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In September, we made 9 additional
Page 391 and 392:
FIGURE 16. Creek bank without veget
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FIGURE 19. Eroding creek bank at He
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'^^Wr ./".#" -•: rst^ s8H.*r FIGU
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FIGURE 26. Experimental planting es
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Elevation All elevations are given
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FIGURE 27. Map of study area on nor
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Keri&vos FIGURE 30. Map of study ar
Page 406 and 407:
^~~ -
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TABLE 4. Survival of two types of t
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area (12 m 2 ) , and was an excepti
Page 412 and 413:
TABLE 8. Aboveground dry weight of
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,^-^ FIGURE 37. Several 2-year old
Page 416 and 417:
FIGURE 38. Experimental planting at
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fr J1MI FIGURE 40. Experimental pla
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Puccinellia were planted at one of
Page 422 and 423:
FIGURE 44. Preliminary planting of
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Transplant Time Requirement It is d
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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
Page 432 and 433:
ACKNOWLEDGEMENTS Cooperation with o
Page 434 and 435:
LITERATURE CITED Baker, J. M. , 197
Page 437 and 438:
ETUDES MICROBIOLOGIQUES ET MICROPHY
Page 439 and 440:
HMMME NTHWL SWIRLING SITES Referenc
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dans les chenaux (carottes de 30 a
Page 443 and 444:
degres d'une part, et entre les sta
Page 445 and 446:
Schorres peu polities, CI et Bl CI
Page 447 and 448:
L'activite enzymatique dans cette s
Page 449 and 450:
chenaux : Conclusions sur le biotop
Page 451 and 452:
Les schorres Les schorres, par cont
Page 453 and 454:
stations TABLEAU 2 IIYDROfARUUKES D
Page 455 and 456:
Ci 1 12-14 )uiH 79 2-7 oct 79 23-25
Page 457:
E •" * — lissMs .-*. K V- v..
Page 460 and 461:
FIGURE 8 Evolution temporelle des c
Page 462 and 463:
150- 100 50- 150- 100- 50 446 *o
Page 464 and 465:
REFERENCES BIBLIOGRAPHIQUES Atlas,
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1964-1982, COMPARAISON QUANTITATIVE
Page 469 and 470:
453
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EFFETS DE LA MAREE NOIRE SUR LES PE
Page 473 and 474:
ESPECES En 1980, on a pu cartograph
Page 475 and 476:
3- EVOLUTION GLOBALE II semble s'am
Page 478 and 479:
COUREE DE L EVOLUTION DES BIOMASSES
Page 480 and 481:
464
Page 482 and 483:
CO 00 466
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468
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470
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472
Page 490 and 491:
I s
Page 492 and 493:
476
Page 495:
Q) 1
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