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.
While the average salary for pediatricians is around $175,000, that of pediatric specialists is typically higher. Pediatricians with at least 3 years experience who are specialized in neurology or oncology/hematology can typically earn up to $250,000, while pediatric surgeons typically earn $400,000-$500,000 a year.CejkaSearch.com published the following data showing median pediatrician compensation, by specialty.ediatricians with at least 3 years experience who are specialized in neurology or oncology/hematology can typically earn up to $250,000, while pediatric surgeons typically earn $400,000-$500,000 a year. CejkaSearch.com published the following data showing median pediatrician compensation, by specialty.