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MOVEMENT <br />Radiotelemetry <br />A total of 114 Colorado equawfish were implanted with radio transmitters <br />in April and May 1980-1985 in Green River Basin, and tracked by Vernal <br />personnel. One of these fish was a recapture, implanted by Bio/West Inc. in <br />1978. Seven of these ]14 fish were implanted in the White and Yampa rivers by <br />CDOW workers, and four wets implanted in the White Rivet in 1982 by UDWR <br />(Appendix 1). Four fish implanted in 1983 with 18 month transmitters were <br />tracked into 1984, and five implanted in 1984 were tracked into 1985. Two <br />fish implanted in 1983 were re-implanted in 1984 and tracked into 1965. This <br />generated three consecutive years of movement data on these 2 individuals, and <br />two years data on 9 fish, yielding movement data on an additive total of 123 <br />fish. <br />F1eh movement patterns during spawning periods were classified as <br />migratory, non-migratory, or lost, depending on behavior, movement, and <br />contact duration. Fish were classified as non-migratory if distance moved was <br />leas than 32 km (20 mi) and there was no apparent movement pattern. However, <br />a fish was classified as migratory 1f it moved 32 km (20 mi) or more between <br />implanting and the peak of the spawning season. Some fish were classified as <br />partial migrants or partial non-migrants because they were not tracked all <br />season (May - September). Finally, fish that were infrequently contacted were <br />classified as lost. The following criteria were used to evaluate all fish <br />movement: <br />CRITERIA <br />Migratory Movement of 32 km or more between implanting end peak of <br />spawning season. <br />27 <br />