BIOLOGY LAB
Lab: Biodiversity
Names: ___________KEY_______________
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Problem: Which tree site has the greatest biodiversity?
Experiment:
Materials:
Leaf pictures from sites
Calculator
Procedure:
1. Count the number of species of each tree and record it in the data table.
2. Calculate the relative abundance of each species and enter it in the data table.
Number of individuals of a species
Relative Abundance =
total number of individuals
3. Make a bar graph for each site showing the relative abundance of each species.
x-axis, list the species (oak, hickory, etc.)
y-axis, list the relative abundance (0.0, 0.1, 0.2, 0.3, etc.)
Data:
Site 1
Tree Species
Number of Trees
Relative Abundance
Site 2
Tree Species
Number of Trees
Relative Abundance
Site 3
Tree Species
Number of Trees
Relative Abundance
White Pine
2
0.1
Maple
16
0.8
Locust
2
0.1
White Pine
0
0.0
Maple
20
1.0
Locust
0
0.0
White Pine
6
0.3
Maple
8
0.4
Locust
6
0.3
1.0
R
E
L
A
T
I
V
E
A
B
U
N
D
A
N
C
E
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
P
I
N
E
M
A
P
L
E
L
O
C
U
S
T
P
I
N
E
M
A
P
L
E
L
O
C
U
S
T
P
I
N
E
M
A
P
L
E
L
O
C
U
S
T
SPECIES
Conclusion:
1. What is the meaning of the word “biodiversity”? Biodiversity is the variety of life in an
area
2. Which site has the greatest species diversity? Site 3 What made you pick that site? The
relative abundance of all 3 species is similar.
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