Cyanobacterial blooms

J Huisman, GA Codd, HW Paerl, BW Ibelings… - Nature Reviews …, 2018 - nature.com
Cyanobacteria can form dense and sometimes toxic blooms in freshwater and marine
environments, which threaten ecosystem functioning and degrade water quality for …

Symbiotic unicellular cyanobacteria fix nitrogen in the Arctic Ocean

K Harding, KA Turk-Kubo, RE Sipler… - Proceedings of the …, 2018 - National Acad Sciences
Biological dinitrogen (N2) fixation is an important source of nitrogen (N) in low-latitude open
oceans. The unusual N2-fixing unicellular cyanobacteria (UCYN-A)/haptophyte symbiosis …

Ocean warming alleviates iron limitation of marine nitrogen fixation

HB Jiang, FX Fu, S Rivero-Calle, NM Levine… - Nature Climate …, 2018 - nature.com
The cyanobacterium Trichodesmium fixes as much as half of the nitrogen (N2) that supports
tropical open-ocean biomes, but its growth is frequently limited by iron (Fe) availability,. How …

[HTML][HTML] In-depth characterization of diazotroph activity across the western tropical South Pacific hotspot of fixation (OUTPACE cruise)

S Bonnet, M Caffin, H Berthelot, O Grosso… - …, 2018 - bg.copernicus.org
Here we report N 2 fixation rates from a∼ 4000 km transect in the western and central
tropical South Pacific, a particularly undersampled region in the world ocean. Water samples …

Nitrogen fixation in the intertidal sediments of the Yangtze Estuary: occurrence and environmental implications

L Hou, R Wang, G Yin, M Liu… - Journal of Geophysical …, 2018 - Wiley Online Library
Nitrogen fixation is a microbial‐mediated process converting atmospheric dinitrogen gas to
biologically available ammonia or other molecules, and it plays an important role in …

[HTML][HTML] Nitrogen Fixation by Trichodesmium and unicellular diazotrophs in the northern South China Sea and the Kuroshio in summer

C Wu, FX Fu, J Sun, S Thangaraj, L Pujari - Scientific Reports, 2018 - nature.com
Distribution of diazotrophs and their nitrogen fixation activity were investigated in the
northern South China Sea (nSCS) and the Kuroshio from July 16th to September 1st, 2009 …

Vital effects and ecologic adaptation of photosymbiont‐bearing planktonic foraminifera during the Paleocene‐Eocene thermal maximum, implications for paleoclimate

W Si, MP Aubry - Paleoceanography and Paleoclimatology, 2018 - Wiley Online Library
Stable isotope‐size data of four major planktonic foraminifera lineages from the Paleocene‐
Eocene Thermal Maximum (PETM,~ 56 Ma) at two locations (North Atlantic New Jersey shelf …

Modelling N2 fixation related to Trichodesmium sp.: driving processes and impacts on primary production in the tropical Pacific Ocean

C Dutheil, O Aumont, T Gorguès, A Lorrain… - …, 2018 - bg.copernicus.org
Dinitrogen fixation is now recognized as one of the major sources of bio-available nitrogen
in the ocean. Thus, N 2 fixation sustains a significant part of the global primary production by …

Distribution and rates of nitrogen fixation in the western tropical South Pacific Ocean constrained by nitrogen isotope budgets

AN Knapp, KM McCabe, O Grosso, N Leblond… - …, 2018 - bg.copernicus.org
Constraining the rates and spatial distribution of dinitrogen (N 2) fixation fluxes to the ocean
informs our understanding of the environmental sensitivities of N 2 fixation as well as the …

[HTML][HTML] Contrasting seasonal responses in dinitrogen fixation between shallow and deep-water colonies of the model coral Stylophora pistillata in the northern Red …

VN Bednarz, MS Naumann, U Cardini… - PLoS …, 2018 - journals.plos.org
Tropical corals are often associated with dinitrogen (N2)-fixing bacteria (diazotrophs), and
seasonal changes in key environmental parameters, such as dissolved inorganic nitrogen …