Species and populations are probably the two most commonly used ecology terms, but they are often difficult concepts to grasp. Throughout this chapter, they will be discussed in detail, expanding on the definitions from previous chapters and explaining why there are no universally acceptable definitions.
Jefferson County, Arkansas is a county located in the U.S. state of Arkansas in the area known as the Arkansas Delta, that extends west of the Mississippi River. As of the 2010 census, the population was 77,435. Its county seat and largest city is Pine Bluff. Jefferson County is Arkansas's 21st county, formed on November 2, 1829, from portions of Arkansas and Pulaski counties, and named for Thomas Jefferson, third President of the United States.
Ozark, AR Profile. Ozark, AR, population 3,531, is located in Arkansas's Franklin county, about 101.0 miles from Little Rock and 123.1 miles from Springfield. Through the 90's Ozark's population has grown by about 6%. It is estimated that in the first 5 years of the past decade the population of Ozark has grown by about 2%. Since 2005 Ozark's population has declined by about 1%. Ozark's property crime levels tend to be lower than Arkansas's average level.