Rick Loomis / Los Angeles Times
July 12, 2012
A patchwork quilt of subsistence farms has hemmed in Bwindi Impenetrable National Park in southwestern Uganda. The poor landlocked nation, about the size of Oregon, has one of the world's highest birthrates. Its population of 36 million is expected to triple or possibly quadruple by 2050. Researchers have determined that rural populations grow faster around national parks, as people are attracted to jobs, roads, schools and health facilities.