LTSER Zone Atelier Brest Iroise - France
LTSER Zone Atelier Brest Iroise
Agricultural and aquaculture facilities
erosion and submersion
Land-Ocean social-ecological system
Natural risk zones
Retro-observations from prehistorical times
Science and Society
The LTSER Zone Atelier Brest Iroise, created in 2012, is located in Brittany, NW-France. It aims at understanding the functioning and the long-term dynamics of the social-ecological system located along the land-ocean continuum. It combines work along different gradients and at different interfaces: between Earth compartments (sediment-water-atmosphere, land-ocean), tools (observation, experimentation, modeling), disciplines (especially between natural and human and social sciences) and between science and society. About half of the area (3000 km2) is terrestrial, including the watersheds of the Elorn (280 km2, 285,000 inhabitants mostly in the Brest area) and the Aulne (1820 km2, 70,000 inhabitants) rivers which are characterized by intensive agricultural practices. The Bay of Brest is a semi-enclosed coastal Bay, with an area of 180 km2. Part of this Bay and of the Aulne estuary is a Natura 2000 site, operated by the “Parc Naturel Regional d’Armorique” (PNRA). The marine part (3550 km2) of this land-ocean continuum is the Iroise Sea, comprising beaches, the continental shelf, the Sein Island and the Molène-Ouessant archipelago. This area corresponds to the limits of the first marine natural protected area created in France in 2007 (the “Parc Naturel Marin d’Iroise”, PNMI). This area presents exceptional natural and human heritage, including a rich marine biodiversity, human traditions and emblematic activities (e.g. great Scallop fishing).
General Characteristics, Purpose, History
Located at the forefront of Western Europe, this area is strongly affected by climate change which combines with other aspects of global change (eutrophication, proliferation of invasive species, anthropisation of the littoral, fishing and destruction of habitats…), making this area particularly vulnerable. ZABrI scientists and stakeholders work together towards improving the sustainability of this area, in four directions: (i) Vulnerability of coastal ecosystems to erosion and submersion risks, (ii) Land-Ocean transfers and their consequences on the structure and the functioning of the Bay of Brest ecosystem, ecosystem services and activities (tourism, fisheries, aquaculture and in turn, agriculture), (iii) Biodiversity conservation and management of uses in the marine protected area PNMI and (iv) Human-Environment interactions from the Prehistory to the present-day.
Affiliation and Network Specific Information