Marine biologists capture, tag, and release 137 Florida manatees into a protected region. POPULATION STATUS AND CONSERVATION It is impossible to estimate actual numbers of manatees still occurring in this region. In the 1970s, the government gave protection to this animal under the Federal Marine Mammal Protection Act.

The deadliest year on record was 2013, when 830 Florida manatees perished. The 540 reported deaths is also the second highest total in a decade. Biologists with the Florida Fish and Wildlife Conservation Commission reported a preliminary count of 4,831 manatees in Florida during this year’s statewide aerial survey, conducted in late January. To determine the population status of manatees in the Tortuguero area, we relied on (1) interviews with residents; (2) a single-channel sonar to map river topography; and (3) boat surveys with many people on the water at the same time.

Please help Estimate the population of Florida manatees in the protected region. This means that population growth in this table includes net changes from immigration and emigration. Combined with the winter cold spell, which claimed 69 manatees, more than 10 percent of the state's estimated manatee population of around 6,300 individuals could be wiped out this year, PEER noted. Survey partners also counted over 500 manatees at Blue Spring in the St. Johns River Region of Volusia … I also need to be able to show my work. The areas with the highest manatee populations are Guinea-Bissau, the lagoons of Côte d'Ivoire, the southern portions of the Niger River in Nigeria, the Sanaga River in Cameroon, the coastal lagoons in Gabon, and the lower parts of the Congo River. This was done to reduce the possibility of counting a single animal multiple times. The abundance survey provides us with a manatee population ... highest counts consistently occur in areas with the greatest amount of warm-water habitat from power plants and natural springs such as Tampa Bay (>1000), Lee County (>900) and the Crystal and Homosassa River areas (>800). Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship—except for refugees not permanently settled in the country of asylum, who are generally considered part of the population of the country of origin. Several months later, of 90 captured manatees, 6 have tags.

Manatees are on the endangered species list.