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.
How Much Does a Pediatrician Make? In 2016, pediatricians made a median salary of $168,990 â not too shabby. Still, children's doctors generally earn less than doctors with other specialties. Medscape's 2016 Compensation Report noted that pediatricians' salaries are at the bottom among all physicians (below family medicine and endocrinology).