Ilaria Biagiotti
Technologist
Ancona
The Antarctic toothfish (Dissostichus mawsoni Norman 1937) is widely distributed in the coastal waters of the Southern Ocean, where it plays a major ecological role as a high trophic level predator. In the Ross Sea Region, D. mawsoni has been subject to commercial fishing since 1997 under the supervision of the Commission for the Conservation of Antarctic Living Marine Resources (CCAMLR). Over two decades, a significant amount of data has been collected on the ecology and biology of Antarctic toothfish, however, information is mostly limited to the summer season and open water, while data from ice-covered areas are extremely lacking, although occasional surveys in McMurdo Sound have shown interesting differences in the feeding habits and demography of the species in open water compared to ice-covered areas. The entering into force of the Ross Sea Region Marine Protected Area, referring to Conservation Measure 91-05 which includes Antarctic toothfish among the key species, makes it urgent to expand information on this species to ice-covered sea areas to refine, expand and integrate knowledge on Antarctic toothfish and fill current gaps on the life cycle of this fish in the Ross Sea. DISCOVERY intends to contribute to research and monitoring in the Ross Sea Region MPA by laying the foundation for Antarctic toothfish monitoring in the Terra Nova Bay area using low-impact technologies. The proposed multidisciplinary approach, including the use of marine acoustics, environmental DNA analysis and video tools, will enable accurate data collection by comparing and cross-validating the different technologies used. The measurement of parameters related to the water column and ice dynamics in the study area will be an important added value for the correct interpretation of the collected data.
Referent:
Programme: PNRA
Duration: July 16, 2020 - July 15, 2023
Budget IRBIM: 34.100,00 €
Areas of Research:
Technologist
Ancona
Technical Collaborator
Ancona
Technical Collaborator
Ancona
Technologist
Ancona
Researcher
Ancona
Technical Collaborator
Ancona
Researcher
Ancona
Referent:
Ernesto Azzurro
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Referent:
Sergio Vitale
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Referent:
Silvia Angelini
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Referent:
Alessandra Campanelli
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Referent:
Antonietta Specchiulli
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