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<br />APPENDIX A:
<br />
<br />Brief summary of results for preserved fall ISMP seine collections, Colorado River and lower
<br />Green River, September 2-19,2001 (extracted from LFL data report submitted to responsible
<br />agencies on March 5, 2002).
<br />
<br />This report covers the preserved fishes in 71 collections taken during the 2001 fall
<br />monitoring program (ISMP)-40 from the Colorado River in Colorado (upper Colorado River
<br />reach, UCRR, river miles 182.0-130.2 above the confluence with the Green River, collection
<br />numbers UC02 to UC44), 11 from the Colorado River in Utah (lower Colorado River reach,
<br />LCRR, river miles 108.8-6.1 above the confluence with the Green River, collection numbers
<br />C0l7-C070), and 20 from the lower Green River in Utah (lower Green River reach, LGRR,
<br />river miles 119.0-2.5, collection numbers GROI-GR67). It is a printed version of the dBase files
<br />"01 YOY.DBF" (collection data and length frequencies) and "OIYOYES.DBF" (individual total
<br />lengths for endangered species such as Colorado pikeminnow and total lengths and dorsal and
<br />anal fin-ray counts for chubs, Gila spp.), and an associated file of collection data transcribed
<br />from field sheets, "01 YOYCD.DBF", all of which are provided on an enclosed diskette (inside
<br />back cover). Included on the following pages are individual collection data (pages 3-13), an
<br />overall summary by species for each reach (pages 1 4- 1 6) and all reaches combined (page 17), a
<br />list of Colorado pikeminnow captures with individual total lengths (page 18), a list of chub
<br />captures with individual total lengths and dorsal and anal fin-ray counts (pages 19-20), comments
<br />for database records including total lengths for specimens greater than 90 mm TL (page 21), and
<br />a list of table and species abbreviations used in this or other Upper Colorado River Basin reports
<br />and databases (pages 22-23). The specimens have been cataloged (79161-79471) and stored as
<br />part of the Larval Fish Laboratory Collection for voucher and future study (e.g., identification of
<br />humpback chub, food habits, condition, parasites).
<br />
<br />In all, the collections received contain 43,767 preserved fish (an average of616
<br />specimens per collection) representing six families and seventeen species. Of those fish, 10,859
<br />are from UCRR, 17,501 from LCRR, and 15,407 from LGRR. Overall, just 0.1 % of the fish are
<br />native species (30 cyprinid and 7 catostomid specimens)-0.3% for UCRR (22 cyprinids, 7
<br />catostomids) and nearly 0% for both LCRR and LGRR(4 cyprinids each). Cyprinids (8 species,
<br />3 native) comprise 98%, catostomids (3 species, 2 native) nearly 0%, and other families (6
<br />species) 2% of all identifiable fish received. The respective percentages for UCRR are 92%,
<br />nearly 0%, and 8% and for both LCRR and LGRR nearly 100%,0% (no specimens), and nearly
<br />0%. Species comprising 1 % or more of all preserved fish are red shiner 47%, fathead minnow
<br />28%, sand shiner 22%, and western mosquito fish 2%. Those comprising at least 1 % of
<br />preserved collections taken with each reach are: UCRR-fathead minnow 43%, red shiner 37%,
<br />sand shiner 11 %, and western mosquito fish 8%; LCRR-sand shiner 40%, fathead minnow 35%,
<br />red shiner 23%, and unidentified minnows 1 %; and LGRR-red shiner 81 %, fathead minnow
<br />10%, and sand shiner 8%.
<br />
<br />A total of 3 Colorado pikeminnow were preserved in these collections. Two specimens
<br />(31 and 43 mm TL) were collected from LCRR at river mile 32.0, and a single specimen (24 mm
<br />TL) was collected from LGRR at river mile 12.1.
<br />
<br />FY 2002 Annual Report 15 Page - 4
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