Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sites sampled in four Puerto Rican municipalities with approximate sampling areas outlined in blue. Canopy cover, impervious surface cover and roads are shown within 2 km2 from the centre of the sampled area. Grey solid lines represent coastline.
