Ground-truthing: how divers and cameras validate a habitat map

A map is only as good as the observations behind it. Why every class needs eyes on the seabed.

By Sample content (demo)

See Mediterranean Sea in the geoportal Then switch on: Group 1: Seagrass beds · Group 2: Macroalgal forests

Sample Sample content — created to show how the Knowledge Platform works. It is not an official Life Mapper publication.

© Olivier Dugornay · CC BY 4.0 · Wikimedia Commons

From pixels to habitats

Remote sensing produces classes; ground-truthing gives them names. Divers, drop cameras and towed video record what actually lives at a set of points, and those points train and test the map.

Underwater observation is still the reference for what a habitat is.
Underwater observation is still the reference for what a habitat is. © Olivier Dugornay · CC BY 4.0 · Wikimedia Commons

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Chapter
Mapping and data
Level
Introductory · 5 min read
On the map
See Mediterranean Sea in the geoportal ↗
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