Fig. 7: Chlorophyll-a (chla) concentration vs variance slope of chla (Γchla) colored by biogeochemical parameters at the province level.
From: Emergent patterns of patchiness differ between physical and planktonic properties in the ocean

These are average nutrient concentration (a, b, c) and oxygen saturation (d) in each Longhurst province. Nutrient and oxygen saturation data is from the World Ocean Atlas 2018.