- Page 1: U L B bio mar UNIVERSITE LIBRE DE B
- Page 5 and 6: Acknowledgements Je voudrais égale
- Page 7 and 8: Abstract 6
- Page 9 and 10: Résumé 8
- Page 11 and 12: Land-based closed-cycle echinicultu
- Page 13 and 14: Table of contents 12
- Page 15 and 16: List of figures Figure 16. Example
- Page 17 and 18: List of figures 16
- Page 19 and 20: List of tables Table 13. Results of
- Page 21 and 22: List of equations Equation 19. Calc
- Page 23 and 24: List of equations 22
- Page 25 and 26: List of symbols ξξξξ2 Value ret
- Page 27 and 28: List of symbols s Parameter of the
- Page 30 and 31: Foreword FOREWORD This thesis is or
- Page 32 and 33: General introduction GENERAL INTROD
- Page 34 and 35: General introduction millions €/y
- Page 36 and 37: General introduction diets rich in
- Page 38 and 39: General introduction During the day
- Page 40 and 41: General introduction lividus reache
- Page 42 and 43: Brittany General introduction some
- Page 44 and 45: 20 15 10 Y 5 Y 0 General introducti
- Page 46 and 47: General introduction Y∞−Y Yt ()
- Page 48 and 49: Y Y 1 Y• 0.8 0.6 0.4 0.2 General
- Page 50 and 51: Y 1 Y• 0.8 0.6 Y•-d.e 0.4 -k 0.
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i. The Preece-Baines 1 model for hu
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a. Choice of the growth model for s
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(Table 1, next part) Species (1) Gr
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General introduction Among various
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General introduction Russell, 1987;
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Aim of the thesis AIM OF THE THESIS
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PART I Set up of an experimental re
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Part I: Set up of an experimental r
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to as roe) as either a fine and del
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The method used here is adapted fro
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(3) Seven experimental / conditioni
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The whole is kept in dim light with
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maturity (reproductive stages 4 and
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d. Results to evaluate biomass, is
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survival rate (%) test diameter (mm
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Biomass variations (Fig. 19, same b
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surface on which those benthic anim
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immediate environment of juveniles
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(carbonate and bicarbonate are the
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f. Conclusions This rearing method
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Part I: Set up of an experimental r
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PART II: MEASUREMENT FOR SIZE IN TH
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Comparison of three body-size measu
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- The immersed weight is a much les
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The apparent mean density of the se
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transformation leads to linear regr
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Choice of measurement Immersed weig
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to general growth) that explains 55
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PART III Experimental studies of th
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PART III: EXPERIMENTAL STUDIES OF T
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Experimental study of growth in the
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c. Material and methods All the ech
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graphical method of Bhattacharya (1
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Table 7. Statistical analysis of th
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consequence of differential growth
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earing (Fig. 24B). Table 9 presents
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Multimodality disappeared around 30
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Intraspecific competition: an addit
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Table 11. Statistics on the small,
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Nbr. of ind. Nbr. of ind. Nbr. of i
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PART IV A growth model with intrasp
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PART IV: A GROWTH MODEL WITH INTRAS
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A functional growth model with intr
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dataset. Indeed, its value depends
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c. Material metamorphosis) or hypot
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Figure 28. Left page. A. Histograms
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dimension of the size measurement,
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- ξ1 being the solution returned b
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lividus. 10 to 15% of the largest i
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Set L describes the largest size re
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Another feature of this dataset is
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metamorphosis! Biological meaning o
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Diameter increase D' in mm 0 10 20
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k l 45 40 35 30 25 20 15 10 5 0 0.0
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measures made at time t'i and I(u <
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Nbr of individuals 0 20 40 60 80 10
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are inside this interval. Additiona
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iased for the same reason. On the c
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If a model does not fit correctly a
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tend to form aggregates where a pH
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have the basic von Bertalanffy 1 mo
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involved processes). It is thus app
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f. Conclusions The new growth model
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General conclusions 179
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General conclusions GENERAL CONCLUS
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General conclusions component valid
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General conclusions In this classif
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General conclusions models obviousl
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References REFERENCES Abe E., M. Ka
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References Cellario, Ch. & L. Fenau
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References Ebert, T.A., 1977. An ex
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References types. In: B. David, A.
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References Goebel, N. & M.F. Barker
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References Kaneko, I., Y. Ikeda & H
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References Ledireac'h, J.-P., 1987.
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References Muller-Feuga, A., 1990.
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References are populations regulate
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References Spirlet, Ch., Ph. Grosje
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References Turch, B., 1998. A simpl
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Annexes 211
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Annexes ANNEXES Annex I: R code for
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Annex I: R code for fitting growth
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Pause() # Rem: other graphs not use
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plot(edat0q[, "age"], edat0q[, "0.9
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Thetas2[Thetas2 < 0.002] 0.998]
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# otherwise, the latter function mu
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EGMData.Sizescalc
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### Some additional graphes to visu
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###===Plots for data visualisation=
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sizes
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# library. See the R documentation
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lrc
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.actualArgs
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SSexpAB
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} .value Annexes .grad[, "y0"]
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.expr4
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.expr9
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Annexes the names of the settable c
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# It is made available under the te
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} ": ", format(getPars()), "\n"), R
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object$m$deviance() "tau.nlrq"
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Annex II: dataset of the cohort mea
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Annex III: abstracts of publication
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Annexes KEYWORDS: Sea urchin, aquac
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Annexes gonadal growth are well est
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Annexes EXECUTIVE SUMMARY: The ulti
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Annexes when the gonads have reache
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Annexes Overall conclusions of this
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Annexes A pilot system has been set
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Annexes KEYWORDS: Sea urchin, aquac