7215

• UCREFRP Catalog Number: 7215
• Author: McAda, C. W. and L. R. Kaeding.
• Title: Relations Between Maximum-Annual River Discharge and the Relative Abundance of Age-0 Colorado Squawfish and Other Fishers in the Upper Colorado River.
• USFW Year: 1989.
• USFW - Doc Type: Grand Junction, Colorado.
• Copyright Material: NO

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List of Figures
Figure
Page
~ 1. Colorado River study area with river reaches used in analysis
of larval data (upper) and river reaches used in analysis of
post-larval data (lower). Numbers represent river miles
upstream from the confluence with the Green River .....................3
2. Correlation of frequency-of-zero catch (Fo) for larval Colorado
squawfish with maximum-annual discharge of the Colorado River.
Reach A reflects data from 1982 to 1985 and 1988. The other reaches
reflect data from 1982 to 1985 ........................................7
3. Plot of geometric-mean C/E versus maximum-annual discharge for
post-larval Colorado squawfish collected during October,
Colorado River, 1982-1988. Lines indicate ± 1 SE ....................10
4. Correlation of frequency-of-zero catch (Fa) for larval bluehead
sucker with maximum-annual discharge of the Colorado River.
Reach A reflects data from 1982 to 1985 and 1988. The other
rr reaches reflect data from 1982 to 1985 ...............................16
5. Correlation of frequency-of-zero catch (Fo) for larval sand
shiner with maximum-annual discharge of the Colorado River.
Reach A reflects data from 1982 to 1985 and 1988. The other
reaches reflect data from 1982 to 1985 ...............................17
6. Correlation of frequency-of-zero catch (Fa) for larval speckled
dace with maximum-annual discharge of the Colorado River.
Reach A reflects data from 1982 to 1985 and 1988. The other
reaches reflect data from 1982 to 1985 .
7 .... ..........................18
. Correlation of frequency-of-zero catch (F)
0 for larval fathead
minnow with maximum-annual discharge of the Colorado River.
Reach A reflects data from 1982 to 1985 and 1988. The other
reaches reflect data from 1982 to 1985 . .... ..........................19
8. Correlation of frequency-of-zero catch (Fo) for larval Gila spp.
with maximum-annual discharge of the Colorado River. Reach A
reflects data from 1982 to 1985 and 1988. The other reaches
reflect data from 1982 to 1985 .......................................20
~~ 9. Correlation of frequency-of-zero catch (Fe) for larval red
shiner with maximum-annual discharge of
Reach A reflects data from 1982 to 1985 the
and Colorado River.
1988. The other
reaches reflect data from 1982 to 1985 . .... ..........................21
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