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.
National Averages. Pediatricians in the United States earn an average annual salary of $168,650, according to May 2011 data from the Bureau of Labor Statistics (BLS). The lowest 10 percent of pediatricians reported income of $85,850 or less per year.ediatricians in Montana earned slightly less, averaging $216,050 per year. In Oregon, these physicians earned an average of $212,800 per year, and in South Dakota, their average salary was $211,550. Pediatricians in Utah averaged $207,540 per year. Related Reading: How to Keep a Job as a Pediatrician.