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.
For a pediatrician out of residency for just a few years the average starting salary is around $135,000, while overall the average pediatrician salary is in the area of $175,000 a year.As with any medical career, a major determinant of salary is the level of specialization.ediatrician Salary by Subspecialty. As with any medical career, a major determinant of salary is the level of specialization. While the average salary for pediatricians is around $175,000, that of pediatric specialists is typically higher.