The River Itchen in winter

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The Chalk Streams

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Mark and Jonathan are always interested to hear from keen, motivated young researchers about potential collaborative research, perhaps via a Marie Curie Fellowship. Please contact us!

In July 2010, we were awarded a NERC standard grant (NE/H02235X/1 - £548k) entitled ‘Manipulating the chemosynthetic and photosynthetic support of river food webs’.
Sarah Tuffin is conducting research for her PhD on methane-derived carbon subsidies to river food webs after having been awarded a Distinction for her Freshwater and Coastal Sciences MSc at QMUL. Her aims are to determine how common a phenomenon is methane ‘fuelling’ of river food webs, how important is methane-derived carbon to higher trophic levels, and how efficient is the assimilation efficiency of methane oxidation. She is supervised by Trimmer, Grey & Hildrew

Felicity Shelley will start her PhD in our labs after having worked on the spatial distribution and relative importance of methane oxidation to photosynthetic primary production in the River Lambourn for her FACS MSc thesis. Her aims are to experimentally determine the relative importance of these two carbon sources using stream mesocosms at the River Lab of the Freshwater Biological Association. She is supervised by Grey & Trimmer

Susanna Maanoja was awarded a Leonardo da Vinci Scholarship to visit our labs in 2009. She performed detailed stable isotope analyses of both dissolved inorganic carbon and methane from chalk river water, as well as measuring concurrent phototrophic primary production and methane oxidation using benthic chambers. This work contributed to Trimmer et al 2010. She is returning to QM to undertake the Aquatic Ecology by Research MSc (2010-11).
Mark Trimmer with an Agapetus-encrusted rock from the River Itchen

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Further useful links: