. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. ICHTHYOPLANKTON OF LAKE HAVASU 69 for 5 min at river stations and 10 min at reservoir stations from 5 March to 27 June 1985. Sampling was concentrated at six of the reservoir stations from 28 February to 12 June 1986; sampling at the four river stations was suspended in 1986 due to high flows. Samples were collected twice weekly at river and thrice weekly at reservoir stations, respectively; inclement weather or equipment malfunctions
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. ICHTHYOPLANKTON OF LAKE HAVASU 69 for 5 min at river stations and 10 min at reservoir stations from 5 March to 27 June 1985. Sampling was concentrated at six of the reservoir stations from 28 February to 12 June 1986; sampling at the four river stations was suspended in 1986 due to high flows. Samples were collected twice weekly at river and thrice weekly at reservoir stations, respectively; inclement weather or equipment malfunctions sometimes precluded sampling. Surface water temperature was measured at each station with a multiparameter probe. Specimens were fixed in 10% formalin and later stained with Rose Bengal, sorted and identified, and developmental stage of individual larva was deter- mined (Snyder 1981). Identifications were made by use of keys, descriptions, and illustrations in Winn and Miller (1954), Mansueti and Hardy (1967), May and Gasaway (1967), Lippson and Moran (1974), Conner (1979), Snyder (1979, 1981), and Wang (1981). Mean monthly catch per unit effort (CPE) was calculated by dividing the number of larvae collected by the total number of tows for each month, and is expressed as the average number of larvae per tow. iLake Mohave iDavis Dam ARIZONA CALIFORNIA. 0 5 10 k m FIGURE 1. Lower Colorado River and Lake Havasu study area, Arizona-California, and vicinity map (inset). Solid circles denote approximate locations of larval sampling 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 California. Dept. of Fish and Game; California. Fish and Game Commission; California. Division of Fish and Game. [San Francisco, etc. ] State of California, Resources Agency, Dept. of Fish and Game
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