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Appendix 1--2. Population estimates for Gila cypha in the Little <br />Colorado River by month (= TRIP), with standard deviation of the <br />esti-nate (= S.D.), and 95% lower and upper confidence intervals <br />(= L.CI; U.CI). E(Estimate) = monthly population estimates <br />summed over the three reaches (data recorded in Appendix 1--1). <br />Trip Estimate S.D. L.CI U.CI E(Estimate) <br />07/91a 2329 291 1842 2994 4650 <br />08/91' 3157 381 2516 4021 5390 <br />08/916 2562 224 2172 3055 2985 <br />09/91 1771 300 1296 2492 1522 <br />10/91 2038 518 1276 3368 4977 <br />11/91° 1989 489 1264 3235 2002 <br />12/91 745 210 453 1309 1285 <br />01/92` 2227 1251 839 6310 2484 <br />02/92` 1831 381 1246 2771 2981 <br />03/92 4380 1359 2459 8004 3372 <br />03/92b0 2555 674 1568 4294 5228 <br />04/92` 5555 671 4416 7067 5683 <br />05/92° 4363 1216 2594 7523 4602 <br />06/92 4384 458 3573 5381 4854 <br />07/92` 1265 237 895 1888 1395 <br />08/92` 635 184 381 1222 408 <br />09/92" 1950 1381 598 6908 124 <br />10/92° 1099 60 990 1224 1743 <br />11/92` 1417 408 839 2500 1191 <br />12/92° 0 0 0 0 0 <br />' = Early month sampling <br />b = Late month sampling <br />= In flood <br />d = Summation for two of three reaches only <br />= Summation for one of three reaches only <br />20