. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 36 FISH AND GAME COMMISSION the only recourse available, the Bureau of Marine Fisheries operated a salvage plan which called for construction of a fish trap, hauling the salmon overland, and releasing them in a canal whence they could make their way to the spawning areas. Tank trucks were furnished by the Bureau of Keclamation. The trap was located at the mouth of the Merced Kiver. The only fish to reach the spawning beds on the San J
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 36 FISH AND GAME COMMISSION the only recourse available, the Bureau of Marine Fisheries operated a salvage plan which called for construction of a fish trap, hauling the salmon overland, and releasing them in a canal whence they could make their way to the spawning areas. Tank trucks were furnished by the Bureau of Keclamation. The trap was located at the mouth of the Merced Kiver. The only fish to reach the spawning beds on the San Joaquin were the 1,955 that were transported by truck. Heavy rains in April and May caused the Merced River to flood, and on May 28 the trap was lifted to allow all the fish to ascend this stream. Previously, 163 salmon had been trucked up the Merced, as these floods were not anticipated. No water was released in the San Joaquin, and those fish that did not ascend the Merced were lost in the warm backwaters of the San Joaquin. At the same time most of the young downstream migrants also perished for want of Figure 15. Because the middle reaches of the San Joaquin River were dry during tlie spring salmon run of 1948, it was necessary to trap the fish in tlie lower river and trans- port them overland to a canal whence they could reach the spawning beds. Two men are using a short net to herd the salmon out of (he trap and into the bucket, which is nearly submerged at the left. By of ;t derrick, tlie bucket of fish is transferred to the tank truck in the background. Photooraph by D. H. Fry, Jr., Hills Ferry, May, I'J/iS BOTTOM FISHERY The trawl fishery for sole, sand dabs, flounders, and other bottom fisli is one of the oldest commercial fisheries in the State. Prior to 1940 most of the vessels engaged in dragging were owned and operated by the producing companies. Double dragging (paranzella) necessitated the operation of two large vessels to drag the net along the b
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