Emergent patterns of patchiness differ between physical and planktonic properties in the ocean

Patrick Clifton Gray (), Emmanuel Boss, Guillaume Bourdin and Yoav Lehahn ()
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Patrick Clifton Gray: University of Maine
Emmanuel Boss: University of Maine
Guillaume Bourdin: University of Maine
Yoav Lehahn: University of Haifa

Nature Communications, 2025, vol. 16, issue 1, 1-12

Abstract: Abstract While a rich history of patchiness research has explored spatial structure in the ocean, there is no consensus over the controls on biological patchiness and how physical-ecological-biogeochemical processes and patchiness relate. The prevailing thought is that physics structures biology, but this has not been tested at basin scale with consistent in situ measurements. Here we use the slope of the relationship between variance vs spatial scale to quantify patchiness and ~650,000 nearly continuous (dx ~ 200 m) measurements - representing the Atlantic, Pacific, and Southern Oceans - and find that patchiness of biological parameters and physical parameters are uncorrelated. We show variance slope is an emergent property with unique patterns in biogeochemical properties distinct from physical tracers, yet correlated with other biological tracers. These results provide context for decades of observations with different interpretations, suggest the use of spatial tests of biogeochemical model parameterizations, and open the way for studies into processes regulating the observed patterns.

Date: 2025
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DOI: 10.1038/s41467-025-56794-x

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