Fishery bulletin of the Fish and Wildlife Service - NOAA

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202 SALMON OP THE KARLUK RIVER, ALASKA FIGURE б.—Map of Karluk Lake region.
FISHEltY BULLETIN OF THE FISH AND WILDLIFE SERVICE 263 TABLE 21.—Results of chemical analyses of the waters of Karluk Lake and Thumb Lake in 19SS Dato May 26 •Time 28 June 28 June 28 June 28 July 11 - --- July 11 July 11 July 11 July 30 July 30 July 30 _ Aug. 13 Aug. 13 Aug. 13 Aug. 13 . Sept. 6 Sept. 6.. _ Sept. 6 Sept. 6 Sept. 6 May 26 July 13 July 13 ... July 13 July 13 Aug. 13 Aug. 13 Sept. 5 Sept. 5 Sept. 6 Sept. 5 JUlV 12 Julyl2 July 12 .... July J2 Sept. Sr.pl. 6 Sept. 6 Sept. 6 May 26 . - JiineZÄ Julv 9 . July 21 .. July21 Aug. 14 ï Time a. m. except as noted. ' Time p. m. [The results aro stated in milligrams per liter of water. Tr.=Trsce] Time" 11:15 10 '27 8'30 8'21 9 '45 11:25 JCAELÜK LAKE, STATION 1 Depth in meters 0 0 20 30 100 0 20 30 100 0 100 124 0 20 JOO 122 0 20 100 120 124 Temperature, °C. 5.0 11 0 9.8 6 0 4.5 11 6 8.7 6.9 4.8 11.9 5 0 4.9 12 2 8.1 5.1 4 9 12.7 10.3 5.3 6.1 5.1 pH 7.7 8 2 7.6 7.8 7.4 8 0 7.7 7.6 7.3 7.7 7.2 7. 1 7 8 7.2 7.0 7.0 7.9 7.3 7.0 7.0 7.0 Carbon dioxide free 0 8 1 2 1.8 1.8 8 2 0 2.4 8 1.2 2.0 2 5 KARLUK LAKE, STATION 2 (THE THUMB) 10:50 8-30 8-20 ' 12-50 8:30 9:18 Ю'Ю 1 IZOl 1Г20 S'23 8:25 0 о 10 20 35 0 40 0 20 35 41 5.6 12 8 10.5 0.4 5.5 12.8 12.9 10.4 6.9 6.4 7.0 8 2 8 0 7.5 7 3 8.1 7.1 7 6 7.0 7.0 6.9 KARLUK LAKK, STATION 3 0 20 30 50 0 20 ЯО 54 11.8 8.5 6.0 4. Я 12.6 8.5 5.3 THUMB LAKE 0 0 8 0 0 SI 0 9.2 10.6 9.8 12.2 11.6 11. 1 13.0 7.9 7.7 7.4 7.2 7.4 7 0 6.9 6.0 0 0 С 1.4 1 6 .0 2.2 0.6 1.0 1.6 2.4 Soluble phosphorus Õ ÕÓÓ .000 .000 .002 000 .000 .000 .002 .000 .002 .002 .000 Tr. .002 .002 .006 .004 .004 .010 .008 0 000 QUO .000 .000 .000 .003 002 .002 .002 .010 0.000 . 000 .000 .000 .002 .002 .010 .008 Silica 1.5 1.5 0 0 Tr. 0 0 0 0 0 Tr. 0 Tr. Tr. .5 0 .5 .5 Tr Tr 0 0 Tr. .5 Tr. 0 0 Tr. Tr. 0 .5 .5 Nitrite nitrogcu In tables 23 and 24 are presented the results of temperature and chemical analyses made on 15 affluents of Karluk Lake during the summers of 1935 and 1936. These data, with the exception of the silica values, agree with the results presented for 1927 by Juday, Rich, Kemmerer, and Mann (1932). Variations in temperature, pH, carbon dioxide, soluble phosphorus, and nitrite nitrogen depend, in a large degree, on the time of day observations are made, the number of fish in the streams, and depth of water in the streams. 8.2 ~.2 7.3 7.1 7.1 0.1 i. ò 2.2 2.8 1.0 0.000 .002 .000 .002 .002 7.0 5.5 0 002 .002 .002 .001 .002 .001 .001 .001 .002 .001 .001 .001 .001 .001 001 0 003 002 .001 001 .001 .002 0 003 .001 001 .001 Tr. Tr. Tr
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UNITED STATES DEPARTMENT OF THE INT
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UNITED STATES DEPARTMENT OP THE INT
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ABSTRACT The results of an investig
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2 FISHERY BULLETIN OF THE FISH AND
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14 FISHEBY BULLETIN OF THE FISH AND
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Fish and Wildlife Service, Fishery
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68 Centime tf гз 28 3l ,.-.-- 32
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72 TABLE 18.- FISHERY BULLETIN OF T
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ABSTRACT Plankton collections made
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PART II FLUCTUATIONS IN THE PRODUCT
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PART IV OBSERVATIONS ON THE FISHING
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