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 21A.-The concentration of phytoplankton (>25-µm size-fraction) at Headgate Rock Dam
for phase 1 (Oct. 1986 to June 1987).
Phase 1
TAXA 10121 12/2 1/5 2/9 3/16 4/20 5/19 6/22
Bacillariophyta (diatoms) p p p a c c p c
Chlorophyta (green algae) p p p p - c a c
Chrysophyta (yellow-brown algae) p - - p p c p -
Cyanophyta (blue-green algae) p - p - - - - p
Euglenophyta (euglenoids) p p p - p - - -
Pyrrhophyta (dinoflagellates) p p p p p c p -
Rhodophyta (red algae) - - - - - - - -
Plant material - p p - - c - -
p = present (1-100 No./L)
c = common (101-1000 No./L)
a = abundant (1001-6000 No./L)
va = very abundant (>6001 No./L)
CJi
V
Table 22A.-The concentration of phytoplankton (>25-µm size-fraction) at Palo Verde Diversion Dam for phases 1 and 2 (Oct. 1986 to Aug. 1988).
TAXA
Bacillariophyta (diatoms)
Chlorophyta (green algae)
Chrysophyta (yellow-brown algae)
Cyanophyta (blue-green algae)
Euglenophyta (euglenoids)
Pyrrhophyta (dinoflagellates)
Rhodophyta (red algae)
Plant material
Phase 1 Phase 2
10121 12/2 1/5 2/9 3/16 4/20 5/19 6/22 10/20 1/25 3/14 5/4 6/30 8/23
p p p c c a a c a a a c a c
p p p p - c p c c - c c c c
- - - - c p - - c c c - c -
P P P P P P P c - - - c c
p P - - c - - p - - - - - c
p P P - P P P - - - - c c
- - - - - - - P c P P - c
' P P - - P c - - - - - - -
p = present (1-100 No./L)
c = common (101-1000 No./L)
a = abundant (1001-6000 No./L)
va = very abundant (>6001 No./L)