2025-02-19 ミシガン大学
＜関連情報＞
- https://news.umich.edu/we-can-farm-more-seafood-while-minimizing-its-impact-on-biodiversity-u-m-research-shows/
- https://www.nature.com/articles/s41559-025-02650-6
戦略的計画により、水産物の生産を拡大しながら、海洋生物多様性に対する養殖場規模の影響を軽減できる可能性がある Strategic planning could reduce farm-scale mariculture impacts on marine biodiversity while expanding seafood production
Deqiang Ma,Benjamin S. Halpern,Briana Abrahms,Jacob Allgeier,Jorge García Molinos,Christopher M. Free,Melanie Frazier,Kristin Kaschner,Brian C. Weeks & Neil H. Carter
Nature Ecology & Evolution Published:19 February 2025
DOI:https://doi.org/10.1038/s41559-025-02650-6
Abstract
Mariculture is one of the fastest growing global markets. Although it has potential to improve livelihoods and facilitate economic growth, it can negatively impact marine biodiversity. Here we estimate local cumulative environmental impacts from current and future (2050) mariculture production on marine biodiversity (20,013 marine fauna), while accounting for species range shifts under climate change. With strategic planning, the 1.82-fold increase in finfish and 2.36-fold increase in bivalve production needed to meet expected global mariculture demand in 2050 could be achieved with up to a 30.5% decrease in cumulative impact to global marine biodiversity. This is because all future mariculture farms are strategically placed in sea areas with the lowest cumulative impact. Our results reveal where and how much mariculture impacts could change in the coming decades and identify pathways for countries to minimize risks under expansion of mariculture and climate change through strategic planning.
