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89,~ r=~J Table I. Summary of collection information for the San Juan River drift-net study. For times sampled: M ~ morning; E ~ evening. For flow measurements: Y ~ yes (all sets); N ~ no (no sets); P ~ partial (some sets). (A) Mexicall Hat site (RM 53). Dates Times Year sampled sampled 199t 6/25 - 8/9 M 1992 6/29 - 8116 M 1993 6/29 - 8/15 M 1994 6/20 - 8/16 M 1995 6/26 - 8/30 M,E 1996 7/4 - 8/28 M t997 7/9 - 8/27 M,E 00 (B) Four Comers site (RM 123-t 28). Dales Times Year sampled sampled 1991 6/24 - 8/9 M 1992' 7/1 - 8114 M,E 1993' 7/3 - 8/t4 M,E 1994 6127 - 8119 M 1995 6/27 - 8/30 M,E t996 7/to - 8/29 M 1997 7ft t - 8/30 M,E Was flow measured? Entire sampling period Time (hl Vol. (100 m'l y y N N Y y y 196 187 269 257 272 2t7 16t 528 535 606t 484t 429 217 238 Entire sampling period Was flow measured? Time (h) Vol. (toO m'l 108 147 579 222 337 t97 207 155t 323 J ,5t7t 410t 674 527 289 N P P N y y y . Represents two locations, upstream (RM 128) and downstream (RM 123). In 1992, flow was measured for some sets at both locations. In 1993, flow was measured in the upstream but not the downstream location. In 1992, time and volume of water sampled do not include I July-IO July, when neither time nor now sampled was recorded. Catch lotals in Table 4 do include this time period, but analyses do not. t Estimated value (see Methods). " '" " ~ p- O c 0. n ':' . ~ 0. ;;:: ~ n " N o o !=' o ~. '" o ~ ~ '" o ~ S' 5- o <n g ~ c " ~ ;<l ,,' q '0 '0 , '0 '0 ~ ." Z '" r