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.
The average salary of a pediatrician is between $135,000 and $175,000 per year, which is $11,250 to about $14,583 per month. Pediatricians are some of the most highly paid doctors.