2. Materials and methods
2.1. Study area: Sakarya province
Sakarya province of Turkey is also known as Adapazari, located
in the northwest of Turkey at an altitude of 31 m above sea level. It
has an area of 4817 km2 and a population of 902,267; 75.4% of
whom live in city centers and 24.6% of whom live in villages (SG,
2014).