8132

• UCREFRP Catalog Number: 8132
• Author: Lieberman, D. and T. Burke.
• Title: Limnology and Drift of Particulate Organic Matter Through the Lower Colorado River.
• USFW Year: 1991.
• USFW - Doc Type: Denver, CO.
• Copyright Material: NO

Table 40A.-Concentration of zooplankton at Imperial Dam for phases 1 and 2 (Oct. 1986 to Aug. 1988).
Phase 1 Phase 1
Taxa 10/20 12/1 1/5 2/9 4/20 5/20 6/22 10/20 1/27 3/16 5/4 6/29 8/23
Nauplius - - - - - - _ a _ _ _ _ _
Copepodite - - - - - - -
Calanoida - - - - - _
a
a - a - - -
Cyclopoida - - - - - - - a
Harpacticoida - - - - - - -
Cladocera - - - - - a
a a
Rotatoria va a a - - - va a va -
Animal Fragments
p = present (1-5 individuals/L)
c = common (6-15 individuals/L)
a = abundant (16-25 individuals/L)
va = very abundant (26-50 individuals/L)
v
Table 41A.-Concentration of zooplankton at Yuma for phases 1 and 2 (Oct. 1986 to Aug. 1988).
Phase 1 Phase 2
Taxa 10/20 12/3 1/5 2/9 3/17 4/20 5/18 6/22 10/20 1/26 3/14 5/3 6/30 8/23
Nauplius - - - - - - - - - c a - - -
Copepodite - - - - - - _ _ a -
Calanoida - - - - - - - _
Cyclopoida - - - - - - - -
Harpacticoida - - - - - - _ _
Cladocera - - c va - - - c - c - - -
Rotatoria - - - - - c - - - c c a va
Animal Fragments c c - - - - c c
p = present (1-5 individuals/L)
c = common (6-15 individuals/L)
a = abundant (16-25 individuals/L)
va = very abundant (26-50 individuals/L)