1. Population Density

2. Population Density
Population Density is the amount of individuals in a population in an area. There is 1 red eared slider in the 4 ft x 1 ft x 2 ft tank.

3. World’s Population Density
Mongolia is the least densely populated country, Monaco is most densely populated

4. Population Density of US
District of Columbia most dense, NJ 2nd most.
Alaska is least dense. Illinois is 12th most.

5. Equation
Population # of Individuals Density = Total Area
REMEMBER TO INCLUDE UNITS AND WORK!!

6. Area 3D areas (ponds, tanks) Area = length x width x height
Answer is expressed in m3, ft3, cm3, etc.
2D areas (flat)
Area = length x width
Answer is expressed in m2, ft2, cm2, etc.

7. Growth Rate
End Pop. – Beginning Pop x 100% = Growth Beginning Pop Rate

8. Questions
What is the population density if there are 32 fish in an area that is 250 m3?
32 fish = m3
The answer is .128 fish per m3

9. Questions
What is the population density if there are 1068 birds in a field that is 100 m wide and 250 m long?
1068 birds = (250 m x 100m)
The answer is .043 birds per m2

10. Questions
10 years ago there were 36 bullfrogs in the BHS pond. Now, there are What is the growth rate of frogs in our pond?
(152 frogs – 36 frogs) x 100% = frogs
The answer is 322.2%