Virunga National Park rangers (IMAGE) Re:wild Caption Virunga National Park rangers. Rangers play a key role in safeguarding protected areas, one of the key conservation actions included in the meta-analysis. (Photo by Bobby Neptune) Credit Bobby Neptune Usage Restrictions For use with stories about study License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.