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 17A.-Phytoplankton species (<25-µm and >25-µm size-fraction) at each sampling station from the lower Colorado River based on August 1988
collection - continued.
Palo Verde All American
Dav1s Dam Park Moabl Havasu Delta Parker Dam Palo Verde Cibola Irr1 at ion Dam DR3 Im rlal Canal La una Yuma
TAYA c (un > )un 72711-7-575-11-F < µm > )un < )un > µm < < Nm > {uo < pm > )un 725 1? < µm > µm < < Nm > )ua < rya >=P. ilm _7=11m
EUGLENOPHYTA (Euglenolds)
Euglena spp.
Leptocinclis sp.
Phacus curvi cauda
Phacus tortus
Phacus spp.
Trachelomonas volvocina
Trachelomonas sp.
Total
PYRRHOPHYTA (Dinoflagellates)
Certium hirundinella
Glenodinium gymnodinium
Glenodinium sp.
Protoperidinium quadridens
Total
RHODOPHYTA (Red algae)
Audouinella violacea
Total
TOTAL SPECIES BY SIZE CLASS
TOTAL COMBINED SPECIES
rn
x x x x x x
x x x x x x x
x x x x x x
x x
x x x x x
x
x x x x x x x
1 - 3 - 5 - 3 3 1 2 3 2 4 6 - 1
x x x x x x x x x x
x x x x x x x x x x x x x
x x x x x x
x x
2 2 2 2 2 2 4 2 3 2 - 3 - 1 1 4
x

63 58 78 53 100 80 52 100 Be 84 82 103 76 75 80 85
121 131 180 152 172 185 151 165
x x
1 - - 1
x x
x x
x x
3 - 2
1 2 - 3
95 86 79 98 74 100 89 100
181 177 174 189
x x x x
x x
x
x
x
x x
2 3 3 2
x x
x x x
x
al
Table 18A.-The concentration of phytoplankton (>25-µm size-fraction) at Davis Dam for phases 1 and 2 (Oct. 1986 to Aug. 1988).
Phase 1 Phase 2

TAXA 10120 1211 1/5 2/9 3/16 4/20 5/18 6/22 10/20 1/26 3/14 5/2 6/27 8/23
Bacillariophyta (diatoms) va c a a a c c c p a c c c c
Chlorophyta (green algae) a p p p c c - - p p c c c c
Chrysophyta (yellow-brown algae) - - - - p - p - - - a c c c
Cyanophyta (blue-green algae) a c p p p p p p c p - c c c
Euglenophyta (euglenoids) c p p - p - p - - - - - -
P
Pyrrhophyta (dinoflagellates) c p p p p p c p p p c p p p
Rhodophyta (red algae) - - - - - p - - - - - - - -
Plant material c p p - - p p - - - - - - -
p = present (1-100 No./L)
c = common (101-1000 No./L)
a = abundant (1001-6000 No./L)
va = very abundant (>6001 No./L)