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.
A starting pediatricianâs salary generally averages $130,000 per year. This will improve with specialization and greater hours worked, as well as experience in the field; experienced pediatricians typically average $175,000 or more per year.Overall, the mean pediatrician salary in 2012 was $167,640.ediatricians are very well compensated for the services they provide, average around $167,640 as of 2013. Lowest 10% of this occupation makes less than $86,900 and the top 10% makes well over $250,000.