Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Everglades National Park' has mentioned 'Invasive species' in the following places:
Occurrence Sentence Text Source
Further information: List of invasive species in the Everglades and Burmese pythons in Florida
Fish and Wildlife Service, which has been compiling and disseminating information about invasive species since 1994.
Control of invasive species costs $500xc2xa0million per year, but 1,700,000 acres (2,656.2xc2xa0sqxc2xa0mi; 6,879.7xc2xa0km2) of land in South Florida remains infested.