Phytoplankton losses in relation to changes in vertical stratification
In the Department of Biological Oceanography of the NIOZ, The Netherlands, we have a vacancy for a PhD student to participate in scientific research investigating the ecological role of viruses in the ocean.
Project description: Global warming will change the upper ocean’s physics, chemistry and consequently biological processes. The STRATIPHYT project('Changes in vertical stratification and its impact on phytoplankton communities')is a multidisciplinary project within the NWO-ZKO Ocean Theme, which results will fill in gaps in knowledge of how global climate change will affect the productivity of one of the most important sections of the ocean, the Northeast Atlantic Ocean. The project includes oceanographic cruises to the Northeast Atlantic Ocean and detailed laboratory experiments with representative phytoplankton species, both to be integrated in advanced models of hydro & plankton dynamics and
productivity.
The PhD will work on Subproject 3 that aims to mechanistically understand the ecological relevance of phytoplankton loss factors (viral lysis compared to grazing and sinking) in relation to changes in vertical stratification. Changes in stratification will have major effects on the physiology, growth and species composition of phytoplankton. This will subsequently impact viral lysis, grazing and sedimentation rates, with cascading effects on ecosystem functioning and biogeochemical fluxes. Abundances, community structure and algal loss rates will be determined during two scientific research cruises. Laboratory experiments will explore the effect of climate change related environmental factors on virus-host interactions, grazing and sedimentation under well controlled conditions. We are looking for a highly motivated candidate that must have a strong background in Aquatic Microbial Ecology (marine biology, biological oceanography, microbial ecology). Ideally, the successful candidate for the position should have experience in seagoing research, working experience in aquatic microbial / virus ecology, molecular analysis of micro organisms, and flow cytometry.
We offer a full-time PhD position for 4 years, a pension scheme, a health insurance allowance, a yearly 8% vacation allowance, year-end bonus and flexible employment conditions. Conditions are based on the Collective Employment Agreement of the NWO Research Institutes.
Further information on the project and the position can be obtained from the PI of the project Dr. Corina Brussaard (Email: corina.brussaard@nioz.nl, phone +31-
222-369513), or otherwise from Jolanda Evers, Human Resources (Email:Jolanda.evers@nioz.nl, phone +31-222-369371)
Application:
Applicants should sent an application letter, CV, and the name, postal and email address of two persons familiar with the previous performance of the applicant to the Personnel Department attended to Mrs. Jolanda Evers, Royal Netherlands Institute for Sea Research (NIOZ), P.O. Box 59, 1790 AB Den Burg, Texel, The Netherlands or e-mail to: jobs@nioz.nl
Closing Date: December 15th 2008 or until a qualified candidate is identified.
The NIOZ Royal Netherlands Institute for Sea Research is an independent research institute associated with the Netherlands Organization for Scientific Research (NWO). NIOZ was founded in 1876 and is one of the oldest major oceanographic institutions in Europe. Its mission is to pursue curiosity-drivenmultidisciplinary marine research in coastal and shelf seas as well as in the open ocean through close co-operation between physicists, chemists, geologists and biologists. Marine research is carried out by five scientific departments: Physical Oceanography, Marine Geology, Marine Biogeochemistry, Biological Oceanography and Marine Ecology.
In the Department of Biological Oceanography of the NIOZ, The Netherlands, we have a vacancy for a PhD student to participate in scientific research investigating the ecological role of viruses in the ocean.
Project description: Global warming will change the upper ocean’s physics, chemistry and consequently biological processes. The STRATIPHYT project('Changes in vertical stratification and its impact on phytoplankton communities')is a multidisciplinary project within the NWO-ZKO Ocean Theme, which results will fill in gaps in knowledge of how global climate change will affect the productivity of one of the most important sections of the ocean, the Northeast Atlantic Ocean. The project includes oceanographic cruises to the Northeast Atlantic Ocean and detailed laboratory experiments with representative phytoplankton species, both to be integrated in advanced models of hydro & plankton dynamics and
productivity.
The PhD will work on Subproject 3 that aims to mechanistically understand the ecological relevance of phytoplankton loss factors (viral lysis compared to grazing and sinking) in relation to changes in vertical stratification. Changes in stratification will have major effects on the physiology, growth and species composition of phytoplankton. This will subsequently impact viral lysis, grazing and sedimentation rates, with cascading effects on ecosystem functioning and biogeochemical fluxes. Abundances, community structure and algal loss rates will be determined during two scientific research cruises. Laboratory experiments will explore the effect of climate change related environmental factors on virus-host interactions, grazing and sedimentation under well controlled conditions. We are looking for a highly motivated candidate that must have a strong background in Aquatic Microbial Ecology (marine biology, biological oceanography, microbial ecology). Ideally, the successful candidate for the position should have experience in seagoing research, working experience in aquatic microbial / virus ecology, molecular analysis of micro organisms, and flow cytometry.
We offer a full-time PhD position for 4 years, a pension scheme, a health insurance allowance, a yearly 8% vacation allowance, year-end bonus and flexible employment conditions. Conditions are based on the Collective Employment Agreement of the NWO Research Institutes.
Further information on the project and the position can be obtained from the PI of the project Dr. Corina Brussaard (Email: corina.brussaard@nioz.nl, phone +31-
222-369513), or otherwise from Jolanda Evers, Human Resources (Email:Jolanda.evers@nioz.nl, phone +31-222-369371)
Application:
Applicants should sent an application letter, CV, and the name, postal and email address of two persons familiar with the previous performance of the applicant to the Personnel Department attended to Mrs. Jolanda Evers, Royal Netherlands Institute for Sea Research (NIOZ), P.O. Box 59, 1790 AB Den Burg, Texel, The Netherlands or e-mail to: jobs@nioz.nl
Closing Date: December 15th 2008 or until a qualified candidate is identified.
The NIOZ Royal Netherlands Institute for Sea Research is an independent research institute associated with the Netherlands Organization for Scientific Research (NWO). NIOZ was founded in 1876 and is one of the oldest major oceanographic institutions in Europe. Its mission is to pursue curiosity-drivenmultidisciplinary marine research in coastal and shelf seas as well as in the open ocean through close co-operation between physicists, chemists, geologists and biologists. Marine research is carried out by five scientific departments: Physical Oceanography, Marine Geology, Marine Biogeochemistry, Biological Oceanography and Marine Ecology.
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