Now showing items 1-10 of 10
Vertical Sections of Temperature and Salinity in the Trade Wind Zone of the Central North Pacific, February 1964 to June 1965
(United States Bureau of Commercial Fisheries, 1969-10)
Temperature and salinity data obtained between lat. 10 degrees and 26 degrees North, along the four meridians long. 148 degrees, 151 degrees, 154 degrees, and 157 degrees West, are presented in vertical section for 16 ...
Distribution and Relative Abundance of Nematopsis spp., as found in Crassostrea virginica (Gmelin) in the Galveston Bay Area
(Texas A&M University, 1969-05)
Nematopsis ostrearum and Nematopsis prytherchi were found in the tissues of Crassostrea virginica. A third species, of unknown significance, was observed in small numbers. The two known species were found at each of the ...
Bottom Trawl Explorations in Southern Lake Michigan, 1962-65
(United States Department of the Interior, Fish and Wildlife Service, Bureau of Commercial Fishes, 1969-02)
For 4 years the Bureau of Commercial Fisheries Exploratory Fishing and Gear Research Base at Ann Arbor, Mich., surveyed the abundance, seasonal availability, and depth distribution of various fish stocks. The alewife (Alosa ...
Bottom Trawl Explorations in Green Bay of Lake Michigan, 1963-65
(United States Department of the Interior, Fish and Wildlife Service, Bureau of Commercial Fishes, 1969-03)
A bottom trawling survey was made during 11 cruises operating for 36 days over the 3-year study period. Explorations were made at all possible fishing depths and during 8 months. The 179 exploratory drags made during this ...
Identification of Pacific Salmon and Steelhead Trout by Scale Characteristics
(United States Department of the Interior, Fish and Wildlife Service, Bureau of Commercial Fishes, 1969-08)
Description and illustration of the scales of each species, a key to identifying species by use of scale characters, and a section on the appearance of juvenile salmon scales are presented.
Western Atlantic Shrimps of the Genus Penaeus
(U.S. Fish and Wildlife Service, 1969)
Four subgenera of the genus Penaeus are described (Litopenaeus, Penaeus s.s., Fenneropenaeus, and Melicertus). Eight species and subspecies (P. setiferus, P. schmitti, P. duorarum notialis, P. aztecus aztecus, P. aztecus ...
Bottom Trawl Explorations in Lake Superior, 1963-65
(United States Department of the Interior Fish and Wildlife Service Bureau of Commercial Fisheries, 1969-01)
Six exploratory fishing cruises, totaling 122 operating days, were made by the research vessel Kaho from November 1963 to October 1965. Most of the exploratory operations were in the central and eastern portions of the ...
Marine Resources: The Industrial View
(Texas A&M University Sea Grant Program, 1969)
Oil Spill Problem
(Executive Office of the President Office of Science and Technology, 1969)
No abstract available.
Study of Sedimentation Pollution in Gulf Coast Estuaries
(Gulf Universities Research Corporation, 1969)
This proposal outlines an investigation which has been planned to achieve the following objectives: (A) Identify and further develop experimental techniques suitable for studying sedimentation in estuaries. Many experimental ...