Hydrographic sheet 01 · Equal Earth, Atlantic-centred

The World Ocean, in nine surveys

Thirty-eight marine regions, read through nine measures. Choose a measure, then point to a region for its value, its rank and the physical, ecological or human process behind it.

38 marine regions
9 survey plates
342 region–measure cells
Compiled 2026 Created by Abhirath Sharma

Biomass remaining · % of recorded maximum

Choose a region

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Point to a region to see its value and why conditions differ there.

Range & distribution—

38 region values
on one scale

Choose a region

Point to the map

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Choose a region to connect the number on the map with the process that produces it.