The officers in many countries have used the HSI model applied to wildlife management in in-situ. For example, the National wetland research center or NWRC of America has been implemented HSI of species in wetland which covers more than 100 species of mammals, birds, reptiles and amphibians to be used as tools in habitat management and including of the water managers, scientists and engineers of the South Florida water management distinct that used the HSI model to water management to achieve maximum benefit in terms of ecology and effects on plants, animals and organisms is minimal. (15)