Study Highlights Misalignment in Aquaculture Production Trends Affecting Sustainability Goals
A recent study conducted by researchers at the University of British Columbia has revealed concerning trends in the global aquaculture industry. The study, published in the Fish and Fisheries journal, indicates that while aquaculture has expanded significantly, it increasingly relies on species that are less beneficial for food security, climate mitigation, and biodiversity. The research highlights a shift since the 1980s towards a smaller number of intensively farmed species, such as salmon, trout, and sea bass, which, despite their commercial value, offer lower sustainability potential. Dr. William Cheung, a senior author of the study, emphasized the growing mismatch between current production trends and the optimal support for climate, biodiversity, and food security outcomes. The study utilized a traits-based approach to assess species' contributions to food provision, climate impact, and biodiversity, finding that modern systems often focus on species with higher environmental trade-offs.