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

CONTENTS - Continued
Table Page
10 F-test results based on ANOVA between all stations and >505-µm dry weight (DW), and
>505-µm POM for phase 1 (Oct. 1986 through June 1987) ............................... 13
11 Percentage of POM to dry weight, POM/DW, for each size-fraction and total sample
for phase 1 (Oct. 1986 to June 1987) .................................................. 13
12 Range, mean x, and standard deviation s for total dry weight (DW), total ash weight (AW),
and total POM for phase 1 (Oct. 1986 through June 1987) .............................. 14
13 F-test results based on ANOVA between all sampling stations and total dry weight (DW),
and total POM for phase 1 (Oct. 1986 through June 1987) ............................... 15
14 Comparison of total mean annual POM between the lower Colorado River and 6 and 7
order Western United States streams .................................................. 15
15 Mean values for various parameters above, in, and below Palo Verde Irrigation Drain
during phase 2 (Jan. through Aug. 1988) .............................................. 20
16 Mean total inorganic nitrogen TIN, TP, P04-P, and ratios TIN/TP, and TIN/PO4-P for the
entire study period .................................................................. 21
17 Mean values for various parameters measured in the lower Colorado River both above
and below Imperial Dam (Laguna), and within the All-American Canal ................... 22
1A Field survey dates at each station on the lower Colorado River for phases 1 and 2 ........... 35
2A Physical, chemical, and biological parameters measured at each station for phases 1 and 2 ... 36
3A River flows in ft3/s (m3/s) for all stations during phases 1 and 2 ........................... 37
4A Water temperature (°C) for all stations during phases 1 and 2 .............................. 38
5A Dissolved oxygen (mg/L) for all stations during phases 1 and 2 ............................ 39
6A Specific conductance ()uS/cm) for all stations during phases 1 and 2 ....................... 40
7A pH for all stations during phases 1 and 2 ................................................. 41
8A Oxidation-reduction potential (mV) for all stations during phases 1 and 2 ................... 42
9A Turbidity (NTU) for all stations during phases 1 and 2 ...................................... 43
10A P04-P (mg/L) for all stations during phases 1 and 2 .......... .......................... 44
11A TP (mg/L) for all stations during phases 1 and 2 .......................................... 45
12A N03-N (mg/L) for all stations during phases 1 and 2 ...................................... 46
13A N02-N (mg/L) for all stations during phases 1 and 2 ...................................... 47
14A NH3-N (mg/L) for all stations for phases 1 and 2 .......................................... 48
15A TKN (mg/L) for all stations for phases 1 and 2 ............................................ 49
16A Total chlorophyll a concentration (mg/m3) for all stations during phases 1 and 2 ............ 50
17A Phytoplankton species (<25-µm and >25-µm size-fraction) at each sampling station from
the lower Colorado River based on August 1988 collection .............................. 51
18A The concentration of phytoplankton (>25-µm size-fraction) at Davis Dam for phases 1
and 2 (Oct. 1986 to Aug. 1988) ....................................................... 55
19A The concentration of phytoplankton (>25-µm size-fraction) at Park Moabi for phases 1
and 2 (Oct. 1986 to Aug. 1988) ....................................................... 56
20A The concentration of phytoplankton (>25-µm size-fraction) at Parker Dam for phases 1
and 2 (Oct. 1986 to Aug. 1988) ....................................................... 56
21 A The concentration of phytoplankton (>25-µm size-fraction) at Headgate Rock Dam for
phase 1 (Oct. 1986 to June 1987) .................................................... 57
22A The concentration of phytoplankton (>25-µm size-fraction) at Palo Verde Diversion Dam for
phases 1 and 2 (Oct. 1986 to Aug. 1988) .............................................. 57
23A The concentration of phytoplankton (>25-µm size-fraction) at Cibola for phases 1 and 2
(Oct. 1986 to Aug. 1988) ............................................................. 58
24A The concentration of phytoplankton (>25-jum size-fraction) at Imperial Dam for phases 1
and 2 (Oct. 1986 to Aug. 1988) ....................................................... 58
25A The concentration of phytoplankton (>25-µm size-fraction) at Yuma for phases 1 and 2
(Oct. 1986 to Aug. 1988) ............................................................. 59
26A The concentration of phytoplankton and zooplankton (>505-µm size-fraction) at Davie Dam
for phase 1 (Jan. 1987 to June 1987) ................................................. 60
27A The concentration of phytoplankton and zooplankton (>505-µm size-fraction) at Park Moabi
for phase 1 (Jan. 1987 to June 1987) ................................................. 61
28A The concentration of phytoplankton and zooplankton (>505-µm size-fraction) at Parker Dam
for phase 1 (Jan. 1987 to June 1987) ................................................. 62
iv