There are three basic types of freshwater ecosystems: 1  Lentic: slow moving water, including pools, ponds, and lakes. 2  Lotic: faster moving water, for example streams and rivers. 3  Wetlands: areas where the soil is saturated or inundated for at least part of the time.
Pediatricians earn an average hourly wage of $95.10. Pediatricians earn an average salary of $197,800 per year.
Average Pediatrician Annual Salary. $184,240. The average annual salary for pediatricians is $184,240 a year. Salaries start at $84,770 a year and go up to $208,000 a year.