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Ecophysiology of photosynthesis in macroalgae
Authors
A Gravot
A Quigg
+258 more
A Quigg
AA Bulychev
AJ Boller
AL Middelboe
AL Middelboe
AL Middelboe
AM Johnston
AM Johnston
AM Johnston
AM Johnston
AR Taylor
ARO Chapman
ARO Chapman
AWD Larkum
AWD Larkum
AWD Larkum
B Charrier
B Gabriel
B Koehne
B Schaffelke
BE Lapointe
BJ Longstaff
C Charpy-Roubard
C Hoek Van den
C Larsson
C Six
C Wang
Catriona L. Hurd
CB Field
CB Osmond
CB Osmond
CC Black
CD Cornelisen
CD Hepburn
CD Hepburn
CD Hepburn
CE Cornwall
CJ Reynolds
CL Hurd
CL Hurd
CL Hurd
CL Hurd
CL Hurd
CL Hurd
CS Lobban
CS Thornber
D Beer de
D Klaveness
D Shevela
D Wangpraseurt
D Zou
DH Zou
DJ Garbary
DJ Sherlock
DR Kolling
ES Medvedev
F Brechignac
F Brechignac
F Hellblom
FA Smith
FW Zechman
G Bell
G Bell
G Franklin
G Johansson
G Langer
G Weykam
GCB Tcherkez
GD Price
GD Price
GP Kraemer
H Chen
H Lüther
HF Kaspar
IB Kuffner
IE Huertas
J Clausen
J Clausen
J Clausen
J Ramus
J Ramus
J Ramus
J Ramus
J Uku
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JA Raven
JAD Nielsen
JB Ries
JE Keeley
JE Keeley
JE Kübler
JE Kübler
JE Kübler
JE Kübler
JE Kübler
JJ MacFarlane
JJ MacFarlane
JJ MacFarlane
JL Brenchley
JL Brenchley
JM Cock
JM Erlandson
John A. Raven
JR Newman
JR Newman
JR Smith
JR Smith
JW Runcie
K Arens
K Bischof
K Caldeira
K Kevekordes
K Lüning
K Lüning
K Sand-Jensen
K Spilling
K Suffrian
KAJ Sand-Jensen
KJ Flynn
KS Gao
L Axelsson
L Behrendt
L Franklin
L Herfort
L Rubio
LE Graham
LM Roberson
LR Blinks
LR Blinks
M Andrews
M Bjork
M Giordano
M Granbom
M Marconi
M Murru
M Prats
M Pöhn
M Staal
M Steinacher
M Wahl
MA Bisson
MA Rodriguez
MAR Koehl
MAR Koehl
MB Surif
MB Surif
MB Surif
MBA Prins
MJ Atkinson
MJ Dring
MJ Dring
MJ García-Sanchez
ML Vis
MM Littler
MM Littler
N Rascio
N Schubert
N Schubert
N Schubert
NA Walker
NA Walker
P Cardoll
P Haldall
P Haldall
P Moulin
R Box
R Fujii
R Fujii
R Goss
RG Smith
RH Greene
RJ Geider
RJ Matta
RN Crossett
RRM Cooke
S Beer
S Beer
S Collins
S Collins
S Enríquez
S Hillrichs
S Irwin
S Markager
S Markager
S Ray
S Takahashi
SA Shepherd
SC Maberly
SC Maberly
SC Maberly
SC Maberly
SL Nielsen
SL Williams
SM Miller
SM Miller
SME Smith
SR Wing
SR Wing
SR Wing
SV Smith
T Binzer
T Binzer
T Mass
T Wernberg
T Wernberg
TD Dillehay
TJ Entwisle
VA Fairhead
VA Gerard
WJ Henley
WJ Henley
WJ Lucas
WJ Lucas
WJ Lucas
WJS Downton
WM Manning
WN Wheeler
WS Johnson
X Fan
Y Gonen
Y Gonen
Y Suzuki
Z Xu
Z Xu
ZV Finkel
Publication date
28 July 2012
Publisher
'Springer Science and Business Media LLC'
Doi
Cite
Abstract
Macroalgae occur in the marine benthos from the upper intertidal to depths of more than 200 m, contributing up to 1 Pg C per year to global primary productivity. Freshwater macroalgae are mainly green (Chlorophyta) with some red (Rhodophyta) and a small contribution of brown (Phaeophyceae) algae, while in the ocean all three higher taxa are important. Attempts to relate the depth distribution of three higher taxa of marine macroalgae to their photosynthetic light use through their pigmentation in relation to variations in spectral quality of photosynthetically active radiation (PAR) with depth (complementary chromatic adaptation) and optical thickness (package effect) have been relatively unsuccessful. The presence (Chlorophyta, Phaeophyceae) or absence (Rhodophyta) of a xanthophyll cycle is also not well correlated with depth distribution of marine algae. The relative absence of freshwater brown algae does not seem to be related to their photosynthetic light use. Photosynthetic inorganic carbon acquisition in some red and a few green macroalgae involves entry of CO2 by diffusion. Other red and green macroalgae, and brown macroalgae, have CO2 concentrating mechanisms; these frequently involve acid and alkaline zones on the surface of the alga with CO2 (produced from HCO3-) entering in the acid zones, while some macroalgae have CCMs based on active influx of HCO3-. These various mechanisms of carbon acquisition have different responses to the thickness of the diffusion boundary layer, which is determined by macroalgal morphology and water velocity. Energetic predictions that macroalgae growing at or near the lower limit of PAR for growth should rely on diffusive CO2 entry without acid and alkaline zones, and on NH 4+ rather than NO3- as nitrogen source, are only partially borne out by observation. The impact of global environmental change on marine macroalgae mainly relates to ocean acidification and warming with shoaling of the thermocline and decreased nutrient flux to the upper mixed layer. Predictions of the impact on macroalgae requires further experiments on interactions among increased inorganic carbon, increased temperature and decreased nitrogen and phosphorus supply, and, when possible, studies of genetic adaptation to environmental change. © 2012 Springer Science+Business Media B.V
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