Photophysiological expressions of iron stress in phytoplankton

MJ Behrenfeld, AJ Milligan - Annual review of marine science, 2013 - annualreviews.org
Iron is essential for all life, but it is particularly important to photoautotrophs because of the
many iron-dependent electron transport components in photosynthetic membranes. Since …

Iron fertilization and the structure of planktonic communities in high nutrient regions of the Southern Ocean

B Queguiner - Deep Sea Research Part II: Topical Studies in …, 2013 - Elsevier
In this review article, plankton community structure observations are analyzed both for
artificial iron fertilization experiments and also for experiments dedicated to the study of …

Multidecadal trend of increasing iron stress in Southern Ocean phytoplankton

TJ Ryan-Keogh, SJ Thomalla, PMS Monteiro… - Science, 2023 - science.org
Southern Ocean primary productivity is principally controlled by adjustments in light and iron
limitation, but the spatial and temporal determinants of iron availability, accessibility, and …

Interpretation of fast repetition rate (FRR) fluorescence: signatures of phytoplankton community structure versus physiological state

DJ Suggett, CM Moore, AE Hickman… - Marine Ecology Progress …, 2009 - int-res.com
Introduction of active chlorophyll a fluorescence protocols, in particular fast repetition rate
(FRR) fluorometry, to oceanography and limnology 15 yr ago has enabled rapid assessment …

Phytoplankton phenology in the global ocean

MF Racault, C Le Quéré, E Buitenhuis… - Ecological …, 2012 - Elsevier
In recent years, phytoplankton phenology has been proposed as an indicator to monitor
systematically the state of the pelagic ecosystem and to detect changes triggered by …

Iron‐light interactions differ in Southern Ocean phytoplankton

RF Strzepek, KA Hunter, RD Frew… - Limnology and …, 2012 - Wiley Online Library
In laboratory experiments we examined the interplay of light and iron availability on the
intracellular iron concentrations, specific growth rates, and photosynthetic physiology of …

Direct estimation of functional PSII reaction center concentration and PSII electron flux on a volume basis: a new approach to the analysis of Fast Repetition Rate …

K Oxborough, CM Moore, DJ Suggett… - Limnology and …, 2012 - Wiley Online Library
Phytoplankton primary productivity is most commonly measured by 14C assimilation
although less direct methods, such as O2 exchange, have also been employed. These …

Dissolved iron in the vicinity of the Crozet Islands, Southern Ocean

H Planquette, PJ Statham, GR Fones… - Deep Sea Research …, 2007 - Elsevier
The annual phytoplankton bloom occurring north of the Crozet Plateau provides a rare
opportunity to examine the hypothesis that natural iron fertilization can alleviate high-nutrient …

Iron limitation of the postbloom phytoplankton communities in the Iceland Basin

MC Nielsdóttir, CM Moore, R Sanders… - Global …, 2009 - Wiley Online Library
Measurements performed on a cruise within the central Iceland Basin in the high‐latitude (>
55° N) North Atlantic Ocean during late July to early September 2007 indicated that the …

Ocean acidification decreases the light‐use efficiency in an A ntarctic diatom under dynamic but not constant light

CJM Hoppe, LM Holtz, S Trimborn, B Rost - New Phytologist, 2015 - Wiley Online Library
There is increasing evidence that different light intensities strongly modulate the effects of
ocean acidification (OA) on marine phytoplankton. The aim of the present study was to …