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.
Pediatrician salary and wage in USA. The upper 10 percent of the pediatricians earn more than $160,000 per year while the lowest 10 percent of them receive about $84,840 per year. According to percentiles, the median salary for 90th percentile of pediatricians has been around $222,815 per year.