They could also offer better social services to the most sensitive populations. (scientificamerican.com)
The rivers within the park are home to sensitive populations of manatees, as well as caimans, crocodiles, and Tropical Garfish, which are considered to be living fossils. (caribefuntours.com)
These levels remain below the EPA's 10 - day health advisory level of 0.3 parts per billion for sensitive populations and well below the EPA advisory level for adults of 1.6 parts per billion. (wrvo.org)