Johan Viljoen
@JohanSOV
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Postdoc @UniExeCornwall @UoE_DEES, Penryn. Marine #Phytoplankton dynamics and #Chla vertical structure. Find me also on the Blue place.
Penryn, England
Joined March 2011
RT @EOrganelli: 📢📢 Happy to share our new paper on @theAGU #GRL about Marine Heatwave's impact on pelagic marine phyto- & zoo-plankton usin….
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RT @isc_marine: 📣NEW PAPER ALERT📣. Our mini-literature review "Monitoring low-oxygen-adapted subsurface phytoplankton distribution in a c….
frontiersin.org
Recent decadal trends of deoxygenation in the global ocean interior have resulted in the expansion and shoaling of oxygen minimum zones (OMZs). When the OMZs...
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We used 33 years of data from the Bermuda Atlantic Time-series Study (BATS) 📊and highlight the implications for and importance of monitoring phytoplankton below the ocean surface. #ClimateChange #Phytoplankton #MarineScience.@ExeterMarine.
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🚨 Excited to share paper out today in @NatureClimate 🎉 with co-authors @rjbrewin & @xuerong_sun from @uniexecges, we show surface & subsurface phytoplankton at the BATS site respond to climate variability differently. 🌊 @UniofExeter
nature.com
Nature Climate Change - The authors reveal distinct trends in surface and subsurface phytoplankton dynamics, highlighting the need for subsurface monitoring. Whereas subsurface phytoplankton...
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RT @Alylough: The SCOR Physiology and Rates in Microbial Oceanography (PRIMO) Working Group is accepting applications for their Early Caree….
primoscorwg.org
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RT @PenkovaElitsa: Is antibiotic-resistant bacteria in 🇬🇧rivers a threat to public health? 💧🦠💊. Over the summer at the @UniofExeter we have….
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🎉Happy to be joining the next cohort of BioGeoSCAPES Fellows. Looking forward to collaborating with such an inspiring group and network! 🌊🔬 #BioGeoSCAPES #MarineScience #Phytoplankton.@ExeterMarine @UniofExeter.
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RT @LStirnimann: 🚨🚨New paper out! We explain seasonal variability in δ13C & δ15N in Subantarctic plankton, revealing key biogeochemical dri….
aslopubs.onlinelibrary.wiley.com
The carbon and nitrogen isotope ratios (δ13C and δ15N) of marine plankton record biogeochemical processes at the base of the food web. In the Southern Ocean, such data, predominantly from summer,...
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RT @JPlanktonRes: New issue out today with lots of Free Access and Open Access content! The awesome cover image is by R.J.W. Brewin.https:/….
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RT @GeotracesSA: New paper out where we show the supply of Mn to the surface to support spring productivity is dominated by winter entrainm….
aslopubs.onlinelibrary.wiley.com
Despite the subnanomolar dissolved manganese concentrations that can co-limit Southern Ocean primary production, their physical supply mechanisms during winter, for biological consumption in spring...
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RT @StellenboschUni: Dr Ryan Tucker and Kira Venter from our Earth Science Department are set for an expedition to the remote Gobi Desert i….
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RT @xuerong_sun: Explore our publication on generating 3D-printed models of phytoplankton and interact with our open-source 3D model in @Fr….
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RT @Markinthelab: Postdoc vacancy (2 yrs) Chemical or Biological Oceanography with interest in Ocean Alkalinity Enhancement.@SUSTechSZ runs….
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RT @GeotracesSA: New paper is out in Science. It even got a Perspective from Greg! Congratulations to my student @Ry_OceanSci and collabor….
science.org
Zinc (Zn) is vital to marine organisms. Its active uptake by phytoplankton results in a substantial depletion of dissolved Zn, and Zn bound to particulate organic matter replenishes dissolved Zn in...
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Lab on a Secchi disk paper out in @aslo_org methods by @rjbrewin & co @UoE_DEES @ExeterMarine. @xuerong_sun.
We’re big fans of the Secchi Disk - check out the #ASLO24 logo! 💡This #MethodsMonday paper details a new low-cost mini-Secchi Disk equipped with various electronic sensors to promote open and accessible #aquaticscience #ASLO_Methods.📖
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RT @TC_Africa: "The Conversation Africa has allowed me to expose my expertise to a global audience, ensuring issues get a prominent platfor….
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RT @NatRevEarthEnv: 🚨New Review!. The Southern Ocean represents a substantial carbon sink. Boyd et al. describe how expanding observations….
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RT @uniexecges: With our BSc Marine Science degree, our students and staff help to play a vital role in understanding and protecting our oc….
exeter.ac.uk
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RT @SeatrecInc: We're all ready to go at #Oi24!. 🌊Visit us at Stand A430 to check our infiniTE™ float, the first subsea robot that can be 1….
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