Author Archives: Jeff

Ecuador update

Today we took the last sample of our Ecuador field effort, though we have a few days left in-country. Right now we are in the town of Mompiche, just down the coast from our second field site near Muisne. Tomorrow … Continue reading

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Initial field effort in Ecuador

As any reader of this blog will know, most of the research in the Bowman Lab is focused on polar microbial ecology. Although focusing a research program on a set of geographically-linked environments does have advantages, primarily the ability to … Continue reading

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So you want to use your computer for science…

It’s been a while since I was a new graduate student, and I’ve forgotten how little I knew about computers back then.  I was reminded recently while teaching a couple of lab members how to use ffmpeg, an excellent command … Continue reading

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Microbial session at POLAR 2018 in Davos

With colleagues Maria Corsaro, Eric Collins, Maria Tutino, Jody Deming, and Julie Dinasquet I’m convening a session on polar microbial ecology and evolution at the upcoming POLAR2018 conference in Davos, Switzerland.  Polar2018 is shaping up to be a unique and … Continue reading

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Denitrifying bacteria and oysters

I’m happy to be co-author on a study that was just published by Ann Arfken, a PhD student at the Virginia Institute for Marine Science (VIMS).  The study evaluated the composition of the microbial community associated with eastern oyster Crassostrea … Continue reading

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Analyzing flow cytometry data with R

We recently got our CyFlow Space flow cytometer in the lab and have been working out the kinks.  From a flow cytometry perspective the California coastal environment is pretty different from the western Antarctic Peninsula where I’ve done most of … Continue reading

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OPAG comes to Scripps Institution of Oceanography

I’m excited to be hosting the fall meeting of NASA’s Outer Planets Assessment Group (OPAG) here at Scripps Institution of Oceanography in September.  For planetary scientists at UCSD, SDSU, USD, and other institutions in the greater San Diego area, if … Continue reading

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Analyzing “broad” data with glmnet

Very often environmental datasets contain far fewer observations than we would like, and far more variables that might influence these observations.  This is the case for one of my projects in the Palmer LTER: I have annual observations of an … Continue reading

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Microbial community segmentation with R

In my previous post I discussed our recent paper in ISME J, in which we used community structure and flow cytometry data to predict bacterial production.  The insinuation is that if you know community structure, and have the right measure … Continue reading

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New paper published in ISME Journal

I’m happy to report that a paper I wrote during my postdoc at the Lamont-Doherty Earth Observatory was published online today in the ISME Journal.  The paper, Bacterial community segmentation facilitates the prediction of ecosystem function along the coast of … Continue reading

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