Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2022 Aug 9;10(4):e01566-21. doi: 10.1128/spectrum.01566-21

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2022 Webster et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

PMC Copyright notice

FIG 1 — (A) The distributions of karst landscapes at global scale. Inserts show the occurrence of karst (B) in the eastern United States (C) and in Mexico. Numbers represent the locations of sampled caves in this study. Karst land cover data were obtained from (6, 58).