Weighted Mean Length
(mm)
0
1
2
SU
C
MI
HU
ER
ON
E
W
Zooplankton Mean Length,
Summer 1998
Objective (Mills et al., 1987)
Zooplankton communities with mean lengths above 0.8 mm indicative of high piscivore/planktivore ratio (Mills et al).
All upper lakes above this line, lower lakes mostly below this line.
This theory has not been tested much.
