Fig. 1

The Magellanic/Fuegian ecosystems in southernmost Chile. The steppe and scrub biome was the main study area used to build the food web. The whole region has 48 million hectares: the pure steppe has 2.5 million ha and the scrub has 14 million ha (Universal Transversal de Mercator, Datum WGS84, Zone 18S). *We have a copyright holder to publish it under a CC BY open-access license.