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Graduate Student Assistantship, Marine Microbial Ecology

August 3rd, 2010

A NSF-funded PhD student research assistantship is available to examine microbial community dynamics related to the carbon and nitrogen cycles in marine systems. The project involves lab experiments, coastal field works and open ocean cruises. A multidisciplinary approach will be applied including gene-based molecular analysis, metagenomics and metatranscriptomics.

Minimum requirements:
(1) A bachelor’s degree in Microbiology, Biology, Ecology, or related field;
(2) Research experience in Microbiology and/or Microbial Ecology;
(3) Excellent communication skills;
(4) Self-motivated personality;
(5) Ability to work independently and interactively with a multidisciplinary research team.

The graduate student position would begin in spring 2011. The assistantship include stipend, health insurance credit, and tuition waiver.

Review of applications will begin immediately, and continue until positions are filled. To apply, send a CV, a statement of research accomplishments and interests, GRE scores, and the names (with addresses, phone numbers, and email addresses) of three references to:

Xiaozhen Mou, PhD; Department of Biological Sciences,Kent State University, Kent OH 44242
330-672-3625. Email: xmou@kent.edu. For more information please go to http://www.kent.edu/CAS/biology/facstaff/mou.cfm

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Tags: 330 672, Graduate Student Assistantship, Graduate Student Position, Gre Scores, Insurance Credit, Kent Oh, Kent State University, Lab Experiments, Microbial Community Dynamics, Microbial Ecology, Multidisciplinary Approach, Multidisciplinary Research Team, Nitrogen Cycles, Ocean Cruises, Open Ocean, Phone Numbers And Email Addresses, Research Accomplishments, Research Assistantship, Research Experience, Tuition Waiver

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PhD student “Tracing chemoautotrophic microbes in present and past sedimentary environments

August 3rd, 2010

The Royal Netherlands Institute for Sea Research (NIOZ) is the leading research institute in the Netherlands for the basic marine sciences. Five departments (Physical Oceanography, Marine Geology, Marine Organic Biogeochemistry, Biological Oceanography and Marine Ecology) carry out the multidisciplinary research of the institute. Approximately 250 persons are currently appointed at the NIOZ. NIOZ has a large variety of instrumentation and is operating modernly equipped research vessels for coastal and ocean studies. The institute is associated with the Netherlands Organisation for Scientific Research (NWO); it is located on the Wadden Island of Texel, close to the mainland. For further information see the NIOZ homepage at http://www.nioz.nl.

The department of Marine Organic Biogeochemistry (department chair: Prof. Dr. Jaap Sinninghe Damsté), which performs research on microbial processes in the marine environment, palaeoceanography and the evolution of marine organisms, has a vacancy for a:

PhD student
Vacancy number 2010-052

“Tracing chemoautotrophic microbes in present and past sedimentary environments”

In this project, funded by the Darwin Centre of Biogeosciences, we will apply a combined approach based on the analysis of signature lipid biomarkers and functional gene analysis to study the diversity and activity of chemoautotrophic microorganisms in marine sediments. We will identify the carbon fixation pathways used by chemolithoautotrophs by quantifying the isotopic fractionation patterns of lipids and biomass in pure cultures and sediment incubations by stable carbon isotope analyses and by targeting genes of carbon fixation and re-oxidation pathways. The results from pure culture and sediment incubation studies will be used to examine the occurrence and role of chemolithoautotrophic microorganisms in ancient sediments by focusing on specific biomarker lipid molecules preserved in the geological record.

Requirements:
We are looking for an enthusiastic and creative person with a degree in (micro) biology, molecular microbial ecology, or environmental science. Experience with molecular biological techniques and fluency in English are prerequisites. We expect that the candidates will successfully complete a PhD thesis.

We offer a full-time PhD position for 4 years, a pension scheme, a yearly 8% vacation allowance, year-end bonus and flexible employment conditions. Conditions are based on the Collective Employment Agreement of the Research Institutes.

Further information on the project and the position can be obtained from Dr. Laura Villanueva (tel. 0222-369428, e-mail: laura.villanueva@nioz.nl), or Prof. Stefan Schouten (tel. 0222-369565, e-mail: stefan.schouten@nioz.nl) and otherwise from Jolanda Evers, Human Resources (Email: Jolanda.evers@nioz.nl, phone +31-222-369371). General information about NIOZ can be found at: http://www.nioz.nl.

Application:
Applicants should sent a cover letter with motivation for this project, CV, a statement of research interest and the name and email address of two referees, to the Human Resources Department (Ms. Jolanda Evers, Royal Netherlands Institute for Sea Research (NIOZ), P.O. Box 59, 1790 AB Den Burg, Texel, The Netherlands or preferably by e-mail to: jobs@nioz.nl.

Please quote the vacancy number in your application

Closing Date: September 1st 2010 or until a qualified candidate is identified.

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Tags: Ancient Sediments, Biogeochemistry Department, Biological Oceanography, Carbon Fixation, Darwin Centre, Functional Gene, Gene Analysis, Isotopic Fractionation, Lipid Molecules, Marine Geology, Marine Organisms, Marine Sediments, Netherlands Institute, Netherlands Organisation, Oxidation Pathways, Physical Oceanography, Research Nwo, Royal Netherlands, Sedimentary Environments, Vacancy Number

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Graduate Student Assistantship, Aquatic Biogeochemistry and Microbial Ecology

August 3rd, 2010

A graduate research assistantship is available for a M.S. student in the area of microbial ecology, biogeochemistry and trace gas emissions. The candidate will take part in a NSF funded interdisciplinary project to assess the role of coastal wetlands on the emission of methyl halides to the atmosphere The primary study site is the Florida Everglades and the coastal waters. The M.S. candidate will be part of the Department of Biology graduate program but there will be ample opportunities to interact with faculty from the Department of Physics.

A B.S. in Marine Science, Limnology, Microbiology, Environmental Science, or related discipline is required. The M.S. candidate should have good written and oral communication skills and demonstrate excellence in course work. The ability to work under adverse environmental conditions will also be a consideration.

The stipend is $19,000 over the academic year for a two year period but additional support is available through teaching assistantships.

Interested students should send a resume, copy of undergraduate transcript, and contact information for three references to Dr. Ronald Jones at jonesrd@pdx.edu and Dr. Norman Scully at scullyn@pdx.edu.

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Tags: Ample Opportunities, Biology Graduate Program, Coastal Waters, Coastal Wetlands, Department Of Biology, Department Of Physics, Dr Norman, Dr Ronald, Environmental Science, Florida Everglades, Graduate Research Assistantship, Halides, Interested Students, Limnology, Marine Science, Oral Communication Skills, Pdx Edu, Student Assistantship, Trace Gas Emissions, Undergraduate Transcript

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Funded PhD Opportunity: Oceanic Profiling Float Technology for Carbon Cycle

July 13th, 2010

Funded PhD Opportunity: Development of a Micro-Rosette for Total Dissolved Inorganic Carbon Measurements from an ARGO Profiling Float

The ARGO array of profiling floats has already provided orders-of-magnitude improvement in ocean observing relative to ships. This fact has already been realized by physical oceanographers studying the ocean heat budget and large-scale mixing processes and is now gaining momentum in other research communities.

Attempts to add off-the-shelf sensors for the ocean carbon system to profiling floats has thus far been ineffectual because these devices
were not built with the express intention of operating on profilers. Consequently, there is currently no technology available for meaningful observations of the ocean carbon system from the Argo array.

This project is for the development of a micro-rosette which will acquire and store water samples during the profilers’ ascent, and
conduct the analysis at park depth. Unlike pCO2 and pH, dissolved inorganic carbon measurement is well-suited for this type of ex-situ analysis because it is insensitive to temperature and pressure.

This project will result in the first autonomous, Lagrangian vertical profiles of DIC in the upper 2000 m of the ocean, marking a major step in development of a new generation of tools necessary to better understand annual cycles of carbon in addition providing directo observations of ocean acidification over large areas of the ocean.

Candidates should have a degree in physics, engineering, or a closely-related discipline, and a strong motivation for research.

Applications (curriculum vitae, academic degree, references) should be sent by e-mail to Dr. Brian Ward (bward@nuigalway.ie), National
University of Ireland, Galway, School of Physics, University Road, Galway, Ireland.

This project is funded by Science Foundation Ireland under the US-Ireland Partnership Programme with partners at Scripps Institute of
Oceanography and the University of Ulster. A fixed stipend of 18,000 euro per year is available. Tuition fees will be covered by the
project. It is anticipated that the PhD candiate will commence in September 2010.

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Tags: Carbon System, Gaining Momentum, Galway Ireland, Galway School, Heat Budget, Inorganic Carbon, Magnitude Improvement, National University Of Ireland, National University Of Ireland Galway, Ocean Acidification, Opportunity Development, Orders Of Magnitude, Phd Opportunity, Physical Oceanographers, Physics Engineering, Physics University, Scripps Institute Of Oceanography, Situ Analysis, University Of Ireland Galway, Vertical Profiles

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Funded PhD: Eddy Covariance Air-Sea Fluxes of Greenhouse Gases

July 13th, 2010

PhD Opportunity: Development of a Fast Gas Analyser for Eddy Correlation Measurements of Air-Sea Greenhouse Gas Fluxes

Accurate measurements of the atmosphere-ocean fluxes of trace gases are important to an improved understanding of the cycling of climatically relevant gases.

The direct eddy correlation (EC) method, which is considered to be the benchmark for accurate determination of air-sea fluxes of trace gases,
relies on high-frequency measurements of the fluctuations of vertical wind velocity and gas concentration, and requires fast response
sensors in combination with high sensitivity.

These twin requirements have precluded oceanographic use of the EC technique for many species of interest, and direct measurements have been limited mainly to carbon dioxide at relatively high flux levels.

The main objective of this proposal is to develop a fast, highly sensitive, gas concentration sensor, and to integrate it with a sonic anemometer, motion sensing, and data acquisition into an EC flux package suitable for operation from buoys and other platforms, such as ships. Our gas sensor is based on infrared (IR) absorption, but utilizes a novel, highly sensitive, photoacoustic detector. We expect that this combination will result in an improvement in sensitivity of several orders of magnitude over the IR absorption sensors that are currently in oceanographic use. The PhD candiate will be involved in the development of the gas detector, and subsequent analyses of
laboratory and field data.

Candidates should have a degree in physics, engineering, or a closely-related discipline, and a strong motivation for research.

Applications (curriculum vitae, academic degree, references) should be sent by e-mail to Dr. Brian Ward (bward@nuigalway.ie), National
University of Ireland, Galway, Air-Sea Physics Lab, University Road, Galway, Ireland.

This project is funded by Science Foundation Ireland under the US-Ireland Partnership Programme with partners at the Woods Hole
Oceanographic Institution and Queens University Belfast. A fixed stipend of 18,000 euro per year is available. Tuition fees will be
covered by the project. It is anticipated that the PhD candiate will commence in September 2010.

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