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<br />Table 25. Number and catch per unit effort (CPE) by species with seines in pools of the
<br />
<br />Dolores River, 1990-1991 ,........".,...........,.,.....,.......... 50
<br />
<br />Table 26. Number and catch per unit effort (CPE) by species with seines in isolated
<br />pools of the Dolores River, 1990-1991 ..........................,....., 51
<br />Table 27. Seining catch per unit effort (fish/100 m~ for species sampled in the Dolores
<br />
<br />River, 1990-1991 . . , . . . , . . . . . . , . . , . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . .. 52
<br />
<br />Table 28. Comparison of seining catch rates (fISh/100 m2) by species between habitat
<br />types in the Dolores River, 1990-1991 . . . . , . . . . . . . . . . . , . . . . . . . . . . . . . . . ., 53
<br />Table 29. Catch per 10 hours of effort for fish species captured by gill nets, trammel
<br />nets, and electrofishing in the Dolores River sampled by USFWS, 1981 and
<br />BIO/WEST,199O-1991 ,.........."........,..,.,.........,..,.,... 54
<br />Table 30. Catch per 100 m2 of area for fish species collected by seine in the Dolores
<br />River by USFWS, 1981 and BIO/WEST, 1990-1991 .......".,........,... 55
<br />Table 31. Composition of fish species captured by gill nets, trammel nets and
<br />electrofishing in six reaches of the Dolores River sampled by USFWS, 1981
<br />and BIO/WEST, 1990-1991 . , . . . . . . . . . . . . . . , . . . . . . . . . . . . . , . . . . . . . , . .. 56
<br />Table 32. Composition of fish species captured by seining in five reaches of the Dolores
<br />River sampled by USFWS, 1981 and BIO/WEST, 1990-1991 .,..,.,......... 57
<br />Table 33. Summary of Dolores River habitat suitability for different life history stages
<br />of Colorado squawfish. Habitat requirements based in HSI curves developed
<br />by USFWS (Valdez et al. 1987) ....,..,..."...,.".,..............., 58
<br />Table 34. A summary of average daily flows (cfs) of the Dolores River during the field
<br />trips of the 1990 Dolores River Study. . . . . , . . , . , . . . . . , , . . . . . . . , . . . . , . .. 59
<br />Table 35. Temperature and water quality data recorded for three Dolores River field
<br />trips, 1990 and three Dolores River field trips, 1991 ..,...."....,....,..,. 61
<br />Table 36. Summary of water quality for Field Trip 1 of the 1990 Dolores River Study 66
<br />Table 37. Summary of water quality for Field Trip 2 of the 1990 Dolores River Study 67
<br />Table 38. Summary of water quality for Field Trip 3 of the 1990 Dolores River Study 68
<br />Table 39. Summary of water quality for Field Trip 4 of the 1991 Dolores River Study 69
<br />Table 40. Summary of water quality for Field Trip 5 of the 1991 Dolores River Study 70
<br />Table 41. Summary of water quality for Field Trip 6 of the 1991 Dolores River Study 72
<br />Table 42. Historical summary of water chemistry in the Dolores (DO) and San Miguel
<br />
<br />(SM) Rivers ......,..,..,."...,....,....,.,....."......,.,.".. 74
<br />
<br />Table 43. Radium - 226 in Dolores and San Miguel River bottom sediments, 1991. LLD
<br />= Lower Limit of Detection . , , . . . . , . . , . . . . . . . . . , . . . . , . . . . . . . , , . , , . .. 76
<br />Table 44. Historical comparison of Radium - 226 in Dolores and San Miguel River
<br />bottom sediments at five sample sites, Values represent ranges of
<br />measurements per sample period ...................,......."...,..,. 77
<br />Table 45. Heavy metal analysis of tissue (liver and kidney combined, wet weight) from
<br />three fish species sampled in the Dolores River, 1991 . . . , . . . . . . , , . , . . . . . , .. 78
<br />Table 46. Summary of heavy metal analysis of tissue (liver and kidney combined, wet
<br />weight) from three fish species sampled in the Dolores River, 1991 . . , . . . . . , . ,. 79
<br />Table 47. Comparison of average metal content of liver or kidney tissue (highest value
<br />is used) of two species of fish collected in the Gunnision River, 1981 (Kunkle
<br />et al. 1983) with average metal content of liver and kidney tissue of three fish
<br />species collected in the Dolores River, 1991 ......,..."....."..,...,... 79
<br />Table 48. Summary of invertebrate collection during Trip 1 in the Dolores River,
<br />
<br />,1990 . . . . . . " . . , , . . , , . . . , , . . . . , . , . . , . . . . . . . , , , . . , , , , . , . . , . , . . , .. 80
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