. 34.8% Outside of the U.S. Prior to urban development of the South Florida region pine rocklands covered approximately 161,660 acres (654.2 km2) in Miami-Dade County Within Everglades National Park 19,840 acres (80.3 km2) of pine forests are protected but outside the park 1,780 acres (7.2 km2) of pine communities remained as of 1990 averaging 12.1 acres (49,000 m2) in area the misunderstanding of the role of fire also played a part in the disappearance of pine forests in the area as natural fires were put out and pine rocklands transitioned into hardwood hammocks Prescribed fires occur in Everglades National Park in pine rocklands every three to seven years. Flora Miami Florida Business directory.
. Environmental issues Phosphate mining concentrated in the Bone Valley is the state's third-largest industry the state produces about 75% of the phosphate required by farmers in the United States and 25% of the world supply with about 95% used for agriculture (90% for fertilizer and 5% for livestock feed supplements) and 5% used for other products, The military penetration of southern Florida offered the opportunity to map a poorly understood and largely unknown part of the country an 1840 expedition into the Everglades offered the first printed account for the general public to read about the Everglades the anonymous writer described the terrain the party was crossing:. ! . In the 2008 and 2012 presidential elections Barack Obama carried the state as a northern Democrat attracting high voter turnout especially among the young Independents and minority voters of whom Hispanics comprise an increasingly large proportion 2008 marked the first time since 1944 when Franklin D Roosevelt carried the state for the fourth time that Florida was carried by a Northern Democrat for president.
KK Women's and Children's Hospital