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Hi,
Sorry for any cross posting, opportunity below for PhD looking at krill DNA
Cheers
Anna
Dr Anna Belcher | Ecological Biogeochemist| British Antarctic Survey
High Cross, Madingley Road, Cambridge CB3 0ET
Email: annbel@bas.ac.uk |Tel: +44 (0)1223 221281
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P Please think of the environment before printing out this message
From: krill-bounces@lists.scar.org <krill-bounces@lists.scar.org> On Behalf Of Leonie Suter
Sent: 06 October 2022 21:47
To: krill@lists.scar.org
Subject: [SKAG] Krill ancient DNA PhD position [SEC=OFFICIAL]
Hi krill folks
We have an exciting PhD position at the University of Tasmania (Australia) currently advertised for international applicants (closing on 10th of October), to detect krill in ancient deep sea sedimentary samples. Details below. Please share if you know of somebody that may be interested!
Cheers,
Leonie
Antarctic krill sedaDNA
Probing ancient Antarctic krill populations
Antarctic krill are vastly abundant crustaceans in the Southern Ocean, where they are a critical ecosystem component linking plankton to predators and contributing to biogeochemical cycles. Climate change, and in particular, winter sea-ice habitat reduction and ocean acidification, as well as an increasing krill fishery, could lead to a population decline of this keystone species. To assess the potential impacts on krill population sustainability and resilience, studies investigating past records of environmentally driven krill population dynamics are crucial. To date, such paleo-studies targeting krill have been impossible as krill leave no fossil record for microscopic investigation, however, with recent technological advances in sedimentary ancient DNA research (sedaDNA), such studies can now be realised. In fact, the application of sedaDNA analyses to reconstruct Antarctic marine ecosystems has already been shown, including the possibility to extract ancient DNA from crustaceans. This research will build on these already existing sedaDNA techniques and target Antarctic krill specifically. The latter will be achieved by applying an RNA based hybridisation-capture technique, a method that has been commonly used in ancient DNA research to capture very degraded and fragmented sequences. The capture approach will target krill for the first time, to investigate their dynamics over thousands of years. This research will fill an important gap in our understanding of how Antarctic krill responded to past environmental change - knowledge that will improve predictions about future adaptation to ongoing climate change.
Supervisors: Dr Linda Armbrecht, Prof. Kerrie Swadling (IMAS) Dr Leonie Suter, Dr So Kawaguchi (AAD), Australia
More info at: https://www.utas.edu.au/research/degrees/available-projects/projects/marine-and-antarctic/antarctic-krill-sedadna/_nocache
**Note: The position is open to Australian and international applicants, with a scholarship application deadline on the 10th of October 2022. Applicants who are interested but may not make the application deadline are encouraged to contact Linda before the 10th of October to discuss interest in and application for either position (linda.armbrecht@utas.edu.au).
Dr Léonie Suter (she/her) | Environmental DNA analyst
Australian Antarctic Division
Department of Climate Change, Engergy, the Environment and Water | 203 Channel Highway, Kingston Tasmania 7050
Tel: +61 3 6232 3630 | antarctica.gov.au
Note: I don’t work Tuesdays.
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