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.
Pediatricians in colleges, universities and professional schools earned the least, with an average annual salary of $102,680. General medical and surgical hospitals paid pediatricians $154,200. The average annual salary for pediatricians in outpatient care centers was $170,690. Physiciansâ offices paid well, with an average annual salary of $177,080. In specialty hospitals, the highest-paying work setting in health care for pediatricians, they earned $184,410.