. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 26 FISH AND GAME COMMISSION were constructed or modified to pack albacore arc now a<rfrressively reaeli- ing out for their share of yellowfiu tuna, and skipjack. In 1947 one com- pany sent its mother-ship into Costa Kican waters, and in the spring and summer of 1947 purchased on the grounds for delivery to Astoria a full load of 3^ellowfin and skipjack. Tn the winter of 1948 a second nortliern company had two mother-ships on tlie g
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 26 FISH AND GAME COMMISSION were constructed or modified to pack albacore arc now a<rfrressively reaeli- ing out for their share of yellowfiu tuna, and skipjack. In 1947 one com- pany sent its mother-ship into Costa Kican waters, and in the spring and summer of 1947 purchased on the grounds for delivery to Astoria a full load of 3^ellowfin and skipjack. Tn the winter of 1948 a second nortliern company had two mother-ships on tlie grounds purchasing fish from our fleet for delivery to the Columbia River. In self-defense, a number of California packers have followed this lead; and by the summer of 1948 a number of tenders, or mother-ships, were either in actual operation, or in process of conversion. The mother- ships have apparently come to stay; and this marks an important devel- opment initiated in this period. The purse seiners, which in earlier years fished for yellowfin and skipjack only in Lower California waters in that season when fish were there available, have now by force of circumstances already mentioned, extended their operations as far as Costa Rica. This has necessitated enlarged refrigeration plants on the vessels, and some modification in equipment. The extended range in operations has also resulted in the construction—or conversion—of a number of large vessels for purse- seining. For the first time the largest purse seiners are now comparable in size and tonnage with the large live-bait tuna Figure 9. A California purse seine boat leaving port. This type of vessel, of which there are over 200 in California, fishes for sardines, tuna, and mackerel principally. (Photoc/raph by Vernon M. Haden, San Pedro) This expansion in purse seine operations has resulted in consider- able friction between the two basic types of gear; and their respective. Please note that these images are
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