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? The U.S. Bureau of Labor Statistics (BLS) says the median hourly wage of a general pediatrician in 2012 was more than $74 an hour, or nearly $155,000 a year.Most pediatricians work in private physician offices and deal with fairly long work days and demanding schedules.mong medical specialties, pediatrics pays in the low end, although the income is still substantial. Medscape's Pediatrician Compensation Report: 2013 says the average pediatrician salary is $173,000 a year.