Extended Data Fig. 4: Bathymetry of Sahul at >50,000 years, plus Strahler Stream Order 9 streams extended to the coastline.
From: Landscape rules predict optimal superhighways for the first peopling of Sahul

Base layers Natural Earth 1:10 M Land Polygons and SRTM-derived 1 Second Digital Elevation Models Version 1.0103. All data are available under Creative Commons Attribution 4.0 International Licence (http://creativecommons.org/licenses/).