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National R&D

AQUABENEFIT

Beyond harvest: Ecological benefits of bivalve aquaculture

Principal Investigator
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Researcher

Vânia Freitas is a researcher at CIIMAR, holding a Ph.D. in Ecology from Vrije Universiteit Amsterdam and a B.S. in Biology from the University of Porto. Her research centers on the ecology of shallow coastal and estuarine ecosystems. She conducts environmental monitoring and modeling to evaluate the impact of stressors, including those driven by humans, on habitat quality and species performance. Much of her work involves assessing growth conditions for juvenile fish in nursery areas. Additionally, she’s delved into bivalve physiology, employing predictive models to forecast growth under changing environmental conditions, to support the aquaculture industry.

RESEARCH GROUPS:

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AQUABENEFIT is an interdisciplinary research project that evaluates the ecological benefits of bivalve aquaculture, with a particular focus on the role of aquaculture gear as habitat for marine and estuarine biodiversity. While bivalve farming is widely recognized for its economic and food-production value, its potential to enhance ecosystem functions—such as providing substrate, refuge, nursery, and foraging habitat for wild organisms—remains insufficiently quantified.
Using an off-bottom oyster farm in the Lima estuary (NW Portugal) as a case study, AQUABENEFIT integrates ecological monitoring, innovative molecular tools (eDNA), stable isotope analysis, remote underwater video, and artificial intelligence–based image analysis to assess how aquaculture infrastructure supports biodiversity and food-web interactions throughout the farming cycle. By combining traditional and emerging methods, the project aims to provide a standardized, transferable framework for assessing habitat value across farming systems and regions.
By working closely with oyster farmers, managers, and regulatory authorities, AQUABENEFIT ensures that its results are directly relevant to real-world decision making. The project will provide practical tools and evidence to support more informed, ecosystem-based management of aquaculture activities. By improving how the ecological benefits of bivalve farming are measured and communicated, AQUABENEFIT helps clarify the role of shellfish aquaculture as a contributor to healthy coastal ecosystems, alongside its economic and social importance for coastal communities.

Leader Institution
CIIMAR-UP
Program
Programa Inovação e Transição Digital (COMPETE 2030), Portugal 2030 + Orçamento próprio (15%)
Funding
Other projects