{"id":7572,"date":"2021-12-01T13:59:18","date_gmt":"2021-12-01T16:59:18","guid":{"rendered":"https:\/\/nis.gl\/projekt\/drivers-and-variability-of-the-phytoplankton-spring-bloom\/"},"modified":"2023-05-15T13:50:45","modified_gmt":"2023-05-15T16:50:45","slug":"drivers-and-variability-of-the-phytoplankton-spring-bloom","status":"publish","type":"projekt","link":"https:\/\/nis.gl\/en\/projekt\/drivers-and-variability-of-the-phytoplankton-spring-bloom\/","title":{"rendered":"Drivers and variability of the phytoplankton spring bloom"},"content":{"rendered":"

Research leader:<\/strong> Tobias Vonnahme, PostDoc, Greenland Climate Research Center, Greenland Institute of Natural Sciences
\nOthers involved:<\/strong> Thomas Juul-Pedersen, Senior Scientist, Greenland Climate Research Centre, GINR<\/p>\n

Keywords:<\/strong> Phytoplankton, Spring Bloom, MarineBasis Nuuk, Primary Production, Diversity<\/p>\n

Project start and completion date: <\/strong>01\/05\/2022 – 31\/12\/2022<\/p>\n

Research area, purpose and research questions:<\/strong><\/p>\n

The aim of the project is to study phytoplankton spring bloom dynamics in high temporal and spatial resolution for identifying and quantifying the key drivers. I will study the drivers of the timing, biomass, and community structure of the bloom, which requires high frequency sampling due to spring blooms often changing within days or weeks.<\/p>\n

Also spatially, blooms can be very dynamic due to local differences in currents. In Godth\u00e5bsfjorden, the Coriolis force can lead to a higher outflow at the Northern site and a higher inflow at the Southern side of the fjord, which requires transect sampling across the fjord to quantify the bloom accurately. I will combine field work and experiments to determine when a spring bloom is dominated by the flagellate Phaeocystis, which is often a poor food source for higher trophic levels, and when the bloom is dominated by chain-forming diatoms, which are highly nutritious for grazers. The high-resolution sampling in combination with historical data from the marine monitoring station will allow to understand the dynamics and their drivers in great detail and to identify and discuss trends in a changing climate.<\/p>\n

Methods for inclusion of society and dissemination to society:
\n<\/strong>The project will be integrated in the graduate course \u201cArctic marine ecosystems in a changing climate\u201d, part of the \u201cArctic Science Study Programme (ASSP)\u201d offered at the Greenland Institute for Natural Resources (GINR) in collaboration with the Aarhus University (AU). The students will be directly involved in part of the field and lab work, finishing with student reports in the end of the course.<\/p>\n

The results and field work will mainly be disseminated to the community via the GINR channels (website, social media). In addition, we will be accompanied by Ondrej Nowak, a radio journalist from the \u201cCzech Radio\u201d, who already successfully broadcasted a program from our earlier work on Svalbard. The results will furthermore be disseminated at the Greenland Science Week (Nuuk) and the Cultural Night (Nuuk).<\/p>\n

Granted:<\/strong> 75.169,00 kr.<\/p>\n","protected":false},"excerpt":{"rendered":"

Research leader: Tobias Vonnahme, PostDoc, Greenland Climate Research Center, Greenland Institute of Natural Sciences Others involved: Thomas Juul-Pedersen, Senior Scientist, Greenland Climate Research Centre, GINR Keywords: Phytoplankton, Spring Bloom, MarineBasis Nuuk, Primary Production, Diversity Project start and completion date: 01\/05\/2022 – 31\/12\/2022 Research area, purpose and research questions: The aim of the project is to 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