Mireille Consalvey PhD Thesis - University of St Andrews

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To my parents and Gerrard, if ever there was a receiptfor all your love and support this has to be it!
Chl Chlorophyll Chl a Chlorophyll a CL Confidence limits DMF Dimethylforamýide Abbreviations EPS Exopolymeric substances/Extracellular polymeric substances ETR Electron transport rate rETR relative ETR F' Fluorescence yield in the light adapted state prior to the saturating beam FD Freeze dried Fdw Freeze dried weight fum-, Fluorescence units minute F. Maximum fluorescence yield in the dark adapted state F, ' Maximum fluorescence yield in the light adapted state FMS2 Fluorescence monitoring system 2 (HansatechTM) Fý Absolute minimum fluorescence (QA oxidised; NPQ reversed) Fý15 Fluorescence yield prior to the saturating beam after 15 minutes dark adaptation Fluorescence yield <strong>of</strong> PSII quenched by photochemistry (F,, '-F') F, 'IFý Light utilisation efficiency in the light adapted state F, Variable fluorescence (F. -F, ) F, IFý Maximum light utilisation efficiency HPLC High performance liquid chromatography JPCC Intergovernmental panel on climate change k Light attenuation co-efficient LN Natural log LN2 Liquid nitrogen LTSEM Low temperature scanning electron microscopy NPQ Non-photochemical quenching PAB Photosynthetically active biomass PAM Pulse Amplitude Modulation PAR Photosynthetically active radiation PFD Photon flux density PlB Photosynthetically inactive biomass PPFD Photosynthetic photon PS I Photosystem I PS 11 Photosystem 11 RS Remote sensing SE <strong>St</strong>andard Error V flux density
Page 1 and 2: 42 =>
Page 3 and 4: Table of Contents Declaration ii Ac
Page 5 and 6: 4 Laboratory investigation into mic
Page 7 and 8: temperatures on fluorescence parame
Page 9: always been real sweeties. Also tha
Page 13 and 14: CHAPTER ONE GENERAL INTRODUCTION Wo
Page 15 and 16: (, 'I, I 1)CI ii I lU RH araphid (n
Page 17 and 18: dpl. II (I c I) cIq 111 I-Itro-ducJ
Page 19 and 20: c 11 cIa 11 (T-oduct-Ioll integrate
Page 21 and 22: ( lapRl Wilclul IfInOdik 11011 impo
Page 23 and 24: Chdpt(1111 1. -, -- I--, -- -- I, -
Page 25 and 26: (-Jlaptýýr j( rcllcj-ý11 ý: - o
Page 27 and 28: 1.3.2. The Photosynthetic carbon re
Page 29 and 30: ( CflCI iii I TI )dU( t Zingmark 19
Page 31 and 32: ( lidptLI ( ft fln JI flU UII Di wh
Page 33 and 34: Cha ter I (iclicl-al IntroiftwOoll
Page 35 and 36: whilst cells minimise their exposur
Page 37 and 38: 1. Pigments Introduction Chlorophyl
Page 39 and 40: Spectral reflectance studies examin
Page 41 and 42: (-'Ilaptcýr J, I, -, --, --, --, -
Page 43 and 44: ( anci JII )tI( )(Jtk IO) which buf
Page 45 and 46: ( ! p1'1 -- -1 -ý T-( ý 1)era J-1
Page 47 and 48: Uh Temporal changes in the microsca
Page 49 and 50: (I (rcI IpuiE't, cells as they emer
Page 51 and 52: ( hap'wv -1 ( ýI II ntrodt 1ý t I
Page 53 and 54: ( hapi"T 1 11 1- 11 1- ---- -- -- 1
Page 55 and 56: (A lal )te II- iý; 11 11 1 1- IIIJ
Page 57 and 58: ( 1ý lv-ý ý12, -) -, - -- - -- -
Page 59 and 60: 2.1.3. The Colne Estuary "VIt"utc-1
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(I --- -- "I'l- I -11-1--l- -I--"--
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E I I Uneven surface topography ma]
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2.4. Wet bulk density (Equation 2.2
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('liapti 2- 2.5.4. Cell identificat
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( hapt )- acetone and DMF do not di
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Chapter 2 Materials and Nlethocts P
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Prior to a run all solvents were ge
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(h1ft 'ý, I (I ', tý7! ýI)iI"Iý
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QLapteLi2 2.6.6. Troubleshooting th
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---- ------ at 486.5 nm on a Cecil
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Figure 2.10. A) The fibre optic mea
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tcl -1 Materials jnd 'Mclho(k attac
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Chapt r2 Materials mid Methods A hi
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2 2.9.2. Fluorescence parameters Fl
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CHAPTER THREE ! i()fi1I1I 1]lILli\L
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- -I ii-ofj) II 1- 1-() 111 llatim
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Biofilill follllýltioll ailki de,
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I Fresh sea water 0 inflow Petri di
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" V. 74ý IkIftill AV Ali 4ft llý
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CD 70 60 50 40 30 20 02468 10 12 14
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'I) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0
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Aiil- . -, ý'. 4 ý.. , lo "CJ U r
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70 65 60 55 50 -m 45 0 C) cu E 40 3
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3.1. There was a significant differ
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(F5,12ý1.48, p=O. 266). The colloi
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ý-Jofilj I I,, Corn I, atio IIoIId
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100- 80- 60- 40- 20- 01 0 100-1 80
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6) 5 4 3 2 I 01111 40 45 50 55 7- 6
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llaptýýl 3 Riof-11111 f6l matioll
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C, ý E z 6 5- 4 3- 6- 2- 5- _0 4-
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13i(, )flllll f'ormatioll alld (]C\
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Colloidal carbohydrates 13iof-11111
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- ------ J i of -11 d 11 -i dd and
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! )f]llfl 101 IfliltIoll l1l(l1l de
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The presence of grazers in the fiel
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Table 3.4: Correlative relationship
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I. ahoratory investiLalion iln-lo-
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Chapici 4 Laborator\ hivest' jgauml
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11 tei 41 ahora ao I% tigallon -- i
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"' 0 . C13 CIS m 1 1 ; -10 --1 5 -0
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u r . mu tu Q) Q) P. Q) C) 2 ý- ý
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liapiý,, i 4 iilvý: Ajt III()[) l
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. ..... ..... kihorator wo Inicrol)
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Water level 00 High tide Low 10 tid
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Chapter 4 4.2.4. Pigment determinat
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IIa lit ei--" -aborutorv II III to,
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LO (n CD 0 140 120 100 80 =3 i; --
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C: 0.5 0.4 0.3 0.2 0.1 .2o. o4 0 co
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0.88 0.86 LO Eý 0.84 LLý 0.82 0.8
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-C 100 200 300 400 500 PPFD (ý, mo
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( li-, tp-lci 4_-, -- -, -1, aho_r
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C: E 1.2 1.0 0.8 0.6 2 c:: 0.4 (D c
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0.90 E 0.88 U- Li 0.86 0.84 Low tid
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-. 1-Aho-ratory i 11-1ý1, -Clýtj
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0 CL (D Cl) 0 CL x 0 w -0 21 G) cm
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Rates of change (Eden April) 1) Ove
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liapl, cr 4 1.. ahoray III%: (, 1:
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0.82 'ý' 0.81 LL. . 2) 0.80 0.79 0
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ce Cd -a gý- -+ Um (n " -C. , m CI
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( hapt I ahorator u on ns1r / in wa
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(11ýqjtý2i 4 I. abon'tiolvimc, .
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J-1a Ii 1--c i oll Itil'o tll'! rw
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( ! q)1 II CtRdtIO(I Ito flhII 01)h
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In ýiw mw Ll->illýg CHAPTER FIVE
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%im illvestiLalion into micronfivto
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( /11 /Iu The following day the tan
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Figure 5.2: (A) Experimental set-up
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f- Ii 7-f .r- 1« Figure 5.3: (A) T
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Table 5.5: Sampling schedules in si
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Changes in Fluorescence parameters
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5.3.2. Colne Estuary (U. K. ) Day 1
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hi . ýilll jtlvý: SliLatiorl lilt
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0 0- 0- C 0) 0- 2000 1500 )6 42 c:
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ýifu ilivcSit'. 'alion ilito 1111c
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5.3.3. Eden Estuary (U. K. ) Physic
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300- 275- 250- 225- c 200- 0 :3 = 1
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1.6 1.4 E 1.2 =3 D 0 1.0 0.8 0.6 0.
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1'-1 wa 1wation 111to 1111cl YI In
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ct C) 1: 1 ý, c r- 00 kf) a c) t)b
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( hcqici Iii situ n Ito 1 ICI Oph\
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Cý, ýZlt]Oll 111to l! llCloDl)vLo
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n Sim Into Jlqý: loj! hyw be I Ith
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n wif Im iý ýI Im Ill to III 11ý
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hapler 5- In sill Iin vcstjý, a Ii
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ha In ýim ilm CS11,2anorl into --p
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'hapt in I'l II cl-w II rl I,, CHAP
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(, 11 a tý-c-t -) --0 operational
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( hdpir ( 1)ici iition in rlI]cIopl
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(--- 1)cI \ ai 1JI? )fl fl rfliL to
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Chapici 6 Dwl \ariatioriý, m biol-
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11c1j)ft () I )1 ai a in iiioiJIi t
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(-J Table 6.2: Sampling schedule Ye
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0 DI-cl (B) Sampling schedule March
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hajll(! l 0 \arij1jorv, -jn cc and
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CD C) CD 0 CD (D 000C, C> CD 0 LO N
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(D CD CD 000 06 0 C, C, 0 CD CD 00
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= - $: I. Ln -tj 03 9b 03 1=1 0 rq
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C> 00 (D CD- CD ci -02Q CD 2m -0 e
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0 co "' - (A) 90- 80- 70-- ý() z-
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C) (Z 0- cu to o .=Vý E5 C> 7ý 4.
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a C 0 N N >1 m R (D r _0 c cu I -X:
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- - 7-2.1 ': --. ... .......... _t.
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ii . p. -'I;? I Sediment surfau-ý
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E 75 E =L 7ý5 .. 0 1400 - 1200- 10
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E E LLI 24- 22- 20- 18- 16- 14- 12-
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PPFD lam CD s 03 0 -1Z) N V (-) 0 4
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0 Cl) I- 0 CD r4 cq ý2 9 CD co C)
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1'1 1' 1 1" 1" I 040 VA "0 o' U. MS
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( ldJ)t1 (I )i ii Predicted and mea
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( () primary productivity (mg C (mg
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significantly higher in the top 0-2
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Chapter 6 Diel variations in microp
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ohic hioiihn-, sediment surface, oc
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( () -I -- -- --- I---, - ---I, - -
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increasing PPFD; first an apparent
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Lj1)I ( i)icl dl ItR)fl Ii tfl)LI)J
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6---- - -- , --- -- ---- -- -Dicl h
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ý w pwr-- 111 I I- CHAPTERSEVEN k_
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vs, iioil--mi ratorv -,, bioiflins
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ato I-V Vý11,11011-111! the total
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E LZ -0 5 L4 ý7- 'ol r a- 0I 00 CM
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( hatei \1 'IcLtU1 S. iig a1or hiln
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cm E7 -*-Cover - Hole for probe Lid
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(A) rrr Uk Ilmol ms) Temperature Da
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C ulorv \ S. lloll-ml, ýrworv Nigh
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N-liý-, ralol v hiol-11111"', Tabl
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N1111 ý, ral ol-I -V--\ ". alorv -
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weeq 5upjr4es 6ulinp plalA eoueosaj
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( llaptcl- -; " -1 -I", ý -, l, '
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700 m (D ýo 0) 600 .2 03 U) 500 't
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('11a -, - Pl(ýT I--I-- ,t, III ý
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E -0 (ID 0 0 (ID 0 C 0 c-) -g H ,z
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ý'Ilap! c 7 MI oratory vs. nop-miu
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('haPltcT 7 -Migiatoiv \. -,. tion-
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( iaptl 121 alory s l1o1iiflldtory
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Hypothesis 5: NPQ will be highest a
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minimum and maximum fluorescence yi
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Cha )1(: r 'Vii--latorv ý-, -1 A I
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v vs. 11011-IT . ratory hiolilms -M
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Chapter 7 MiLlatorv v. ". lioll-lim
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Chapt(j 7 s, non-im ratory biot-ilm
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0 E H Cl. 0 -Izý "0 $n. -0 CA 7ý
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( 'llapt c I'll" - 11 - -11,1 1111-
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( llcpk'i_ ( rencral living on, as
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cral I )isctv, -, jon Hythe showed
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ý cKS -1-la-IM, -- (lencral Di-scu
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Cha ici 8 Oencral Di-scussion large
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Chaplet 8 I- I (-. Tciwr, al may th
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( liapRi - ( icnerl I )! ', tR)II D
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hapter ( cncra I )i ii in smaller t
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8.4. Summary -( ic w ra 11, ) ISC L
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9) LTS-EM analysis provided evidenc
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9. Reference List PA , )ý ý, 1j,
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photosynthesis and chlorophyll in t
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Fauvel, P. and Bohn, G. (1907). Le
Page 373 and 374:
Blackwell scientific publications,
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Kilhl, M., Glud, R. N., Ploug, H. a
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Palmer, J. D. and Round, F. E. (196
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Pinckney, J., Piceno, Y. and Lovell
Page 381 and 382:
Ser6dio, J., Marques da Silva, J. a
Page 383 and 384:
Wessels, N. K. and Hopson, J. L. (1
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Mireille Consalvey PhD Thesis - University of St Andrews

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