. Bulletin. Natural history; Natural history. Aug. 1981 Sule: Growth and Feeding of Bass 523 = DISCHARGE E INTAKE 29 MAY 1975 DISCHARGE N - 11 INTAKE N - 102. Fig. 3.—Length-frequency distributions for juvenile bass (5-mnn length groups) in Lake Sangchris from 29 May to 13 August 1975. 50 60 70 TOIAL LENGTH (mm) 100 no 120 130 were drawn from the mean lengths of fish collected from each arm (Fig. 5). By 11 December 1975, the lengths attained by bass from the discharge arm were clearly greater than those from the intake arm. On each collection date, fish from the discharge arm were significantl
. Bulletin. Natural history; Natural history. Aug. 1981 Sule: Growth and Feeding of Bass 523 = DISCHARGE E INTAKE 29 MAY 1975 DISCHARGE N - 11 INTAKE N - 102. Fig. 3.—Length-frequency distributions for juvenile bass (5-mnn length groups) in Lake Sangchris from 29 May to 13 August 1975. 50 60 70 TOIAL LENGTH (mm) 100 no 120 130 were drawn from the mean lengths of fish collected from each arm (Fig. 5). By 11 December 1975, the lengths attained by bass from the discharge arm were clearly greater than those from the intake arm. On each collection date, fish from the discharge arm were significantly larger than those from the intake arm. The rate of growth in the first half of the growing season was not different, however, for fish from the two arms. Although admittedly less extensive, the 1976 data indicated that the 1975 growth trend had been repeated the following year. During both years, fish from the discharge arm were significantly larger than those from the intake arm. In general, bass collected in 1976 were smaller than bass from the same areas in 1975; however, those size differences were only significant for September from the intake arm. This an- nual difference may reflect the reduced thermal loading experienced at Lake Sangchris during 1976 (Larimore & Tranquilli 1981). Total lengths of bass at the end of the 1975 growing season averaged about 100 mm and 140 mm from the intake and discharge arms, respectively. Although Carlander (1977) cited 134 mm as the average total length attained by largemouth bass in Illinois by October- December of their first growing season, the mean total length for bass from cen- tral Illinois probably is somewhat less. Carlander's estimate was based on several. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urba
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