Journal
ONE EARTH
Volume 4, Issue 11, Pages 1625-1634Publisher
CELL PRESS
DOI: 10.1016/j.oneear.2021.10.016
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Climate change is altering the biogeochemical conditions of the ocean, leading to the emergence of novel environmental conditions within very large marine protected areas (VLMPAs). By 2100, a significant portion of the ocean and VLMPAs are expected to contain novel conditions, with pH conditions becoming novel by 2030. Management strategies for VLMPAs will need to be adjusted to account for these changing environmental conditions.
Climate change is altering the biogeochemical conditions of the ocean, leading to the emergence of novel environmental conditions that may drastically affect the performance of very large marine protected areas (VLMPAs) (area > 100,000 km(2)). Given the prominent role that VLMPAs play in ocean conservation, determining when and where novel conditions will emerge within VLMPAs is vital for ensuring a healthy ocean in the future. Here, using a non-parametric approach to detect novelty, we show that 60%-87% of the ocean and 76%-97% of VLMPAs are expected to contain novel conditions across multiple biogeochemical variables by 2100, with novel conditions in pH emerging by 2030. With most VLMPAs expected to contain environmental conditions unlike those currently within their boundaries, and given the likelihood of any of these climate futures unfolding, present-day management will need to consider alterations to current and future VLMPA design and use.
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