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.
An average starting salary for a pediatrician is around $135,000 per annum while the one with few years of medical experience receives about $175,000 a year. In addition, an average hourly wage for a pediatrician is about $77.60 per hour which averages to about $161,410 on an annual basis.