. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 42 i OJPOBNIA FISH AM) GAME. 10 20 November 10 20 December 10 20 January FIGURE 2. The fluctuations in stream flow and temperature of Mill Creek and percentages of survival of egg samples during the first study in 1953-1954. was moderate. A loss of 18 eggs per sack was experienced between the removal of the third and fourth groups, when the mean flow for one day reached 1,250 RESULTS OF THE CONTROLLED FLOW CHANNEL EXPERIMENT Th
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 42 i OJPOBNIA FISH AM) GAME. 10 20 November 10 20 December 10 20 January FIGURE 2. The fluctuations in stream flow and temperature of Mill Creek and percentages of survival of egg samples during the first study in 1953-1954. was moderate. A loss of 18 eggs per sack was experienced between the removal of the third and fourth groups, when the mean flow for one day reached 1,250 RESULTS OF THE CONTROLLED FLOW CHANNEL EXPERIMENT There appeared to be a correlation between occurrence of marked stream fluctuation and survival. Therefore, a controlled flow channel experiment was carried out for purposes of comparison. On Novem- ber 18, 1953, spawn was taken from two female and three male king salmon. Standard hatchery procedure was followed for obtaining the spawn as before. The eggs were then allowed to water harden for 1| hours before being placed in the cartridges with some small gravel. Thirty of the containers were destined for Woodward's Gate, as an "pen channel control, and .'51 for the controlled flow area. They were selected alternately for each area and buried in the respective areas simultaneously. Again there were five colors of tags in each group. They were planted by a staggered distribution or by rotating the col- ored t;tgs. The temperature of the water at this time was colder (44° K. i than during the first plant. After two days, the first groups were removed. In the main stream, 03.(i percent of the eggs survived the handling operation (Table 3), and in the control channel, 52 percent (Table 4). Between this time and tin; removal of the second group, flows had increased to a mean of 515 from 152 at planting on November 24. At the end of this period, the cartridges in Mill Creek proper revealed a per- cent survival in the second group, or a drop of percent. Thi
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