. Commercial fisheries review. Fisheries; Fish trade. 18 50° 145°. 180" 175" 160° 150° 145° Soviet fisheries off Alaska August 1968; by number of vessels and species taken. Two king crab factoryship fleets continued fishing on the Continental Shelf, north of Port MoUer, in the eastern Bering Sea. One tanner crab expedition was located about 120 miles northwest of the Pribilofs fishing conical- shaped pots set on a long line. Two small stern trawlers began fishing on known shrimp grounds near Two-Headed Island off southwest Kodiak Island. One was observed hauling aboard a trawl contai
. Commercial fisheries review. Fisheries; Fish trade. 18 50° 145°. 180" 175" 160° 150° 145° Soviet fisheries off Alaska August 1968; by number of vessels and species taken. Two king crab factoryship fleets continued fishing on the Continental Shelf, north of Port MoUer, in the eastern Bering Sea. One tanner crab expedition was located about 120 miles northwest of the Pribilofs fishing conical- shaped pots set on a long line. Two small stern trawlers began fishing on known shrimp grounds near Two-Headed Island off southwest Kodiak Island. One was observed hauling aboard a trawl containing about 2 tons of shrimp. Two Japanese ves- sels fished for shrimp in the same area in summer 1967. WHAT IS THE "BENDS" AND HOW DO DIVERS BECOME AFFLICTED WITH IT? High pressure at depth causes some of the nitrogen in a diver's body tissue to dissolve inhis blood. If he ascends too rapidly, bubbles will form in the blood and collect in his joints and bone marrow, causing the extremely painful condition known as the "; It is not ordinarily fatal unless bubbles collect in the spinal cord or brain, but the pain will continue for several days unless the diver is put under pressure and decompressed gradually; if the condition goes untreated there will be bone damage. After a long dive, a diver is returned to normal pressure gradually so that nitrogen in the blood may be released through the lungs, avoiding the "; ("Questions About The Oceans," U. S. Naval Oceanographic Office.). 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 United States. National Marine Fisheries Service; U. S. Fish and Wildlife Service; United States. Bureau of Commericial Fisheries. [Washington] : National Marine Fisheries Service; [for sale by the Supt. of Docs. , U. S. Govt. Print
Size: 2126px × 1175px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1900, booksubjectfisheries, booksubjectfishtrade