Environmental Engineering Reference
In-Depth Information
20
A
15
10
5
0
30
80
130
180
230
Length (mm)
120
B
100
80
60
40
20
0
80
100
120
140
160
180
Length (mm)
FIGURE 21.9
(A) the number of bluegill
(Lepomis macrochirus)
at each length and (B) the
relationship between length and wet weight for fish taken by electrofishing from Pottawatomie
State Fishing Lake II, Kansas, on September 29, 1999.
FIGURE 21.10
A fin ray from a river carp sucker
(Carpiodes carpio)
showing growth rings
(photograph courtesy of Chris Guy).
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