The National Oceanography Centre (NOC) is part of a team of marine scientists from countries bordering the north and south Atlantic Ocean, assessing the health of deep-sea ecosystems. The team will determine the resilience of both the animals that live there and their habitats to threats such as temperature rise, pollution, and human activities. The new iAtlantic project aims to deliver knowledge that is critical for responsible and sustainable management of Atlantic Ocean resources in an era of unprecedented global change.
Funded by a €10.6M grant from the European Union’s Horizon 2020 program, the ambitious project will, for the first time, undertake an oceanwide approach to understanding the factors that control the distribution, stability, and vulnerability of deep-sea ecosystems. Work will span the full scale of the Atlantic basin, from the tip of Argentina in the south to Iceland in the north, and from the east coasts of the US and Brazil to the western margins of Europe and Africa. Central to the project's success is the international collaboration between scientists throughout the Atlantic region, with sharing of expertise, equipment, infrastructure, data, and personnel placed at the forefront of iAtlantic’s approach.
The NOC will provide expertise in a range of marine research and technology fields. The team from NOC will coordinate the mapping work within the consortium, combining traditional methods and new technologies to map out the seafloor of uncharted terrains, the distribution of species, and the presence of valuable seafloor habitats at scales ranging from individual cold-water coral reefs to the entire Atlantic Ocean. Some of these mapping activities will take place on board the British research vessels RRS Discovery and RRS James Cook, through a synergy with the National Capability Programme CLASS.
Furthermore, the NOC will carry out research into the development and application of new machine-learning techniques to help the analysis of the vast amounts of data that will be gathered throughout the project. The NOC will also provide a new sampling device for environmental DNA. By collecting and analysing DNA fragments found in the wider environment around each study site, a broad assessment can be made of the biological communities around that site to gain insight into species dispersal and population structure. In a world first, the team aims to deploy this new equipment on one of the NOC autonomous underwater vehicles (AUVs), enabling autonomous sampling at a rate and in locations that cannot be reached with traditional means.
To assess the status of ecosystems, scientists need to know more about how they are connected and distributed, what functions they perform, and how stable they have been over time. All this requires the collection of new data but also innovative approaches so that observations taken at local and regional levels can be scaled up to address questions at ocean basin scale.
To do this, iAtlantic will align deep-ocean observing capacities in the north and south Atlantic, which will provide accurate and detailed insights into ocean circulation in the past, present, and future at a range of spatial and temporal scales. The latest marine robotics and imaging technology will be used to develop predictive mapping tools to advance understanding of deep-sea habitat distribution across the ocean. Combined with genomic data and ecological time-series data, all this new information will provide an unprecedented view of the effects of climate change on Atlantic ecosystems, allowing scientists to identify key drivers of ecosystem change and determine which areas of the Atlantic Ocean are most vulnerable to the effects of sustained, increasing, and multiple pressures.
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