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.
According to the latest data from the U.S. Bureau of Labor and Statistics (BLS), the average salary for a pediatrician was $165,720 per year in 2010.ccording to the Association of American Medical Colleges (AAMC), the annual salary of a pediatrician, including those specializing in developmental-behavioral pediatrics, ranges from $160,111 to $228,750. The type of office you practice in can affect the type of salary you can expect to earn in this field.