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Some Chronic Effects Of Ddt On Cutthroat Trout
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Book Synopsis Some Chronic Effects of DDT on Cutthroat Trout by : Donald T. Allison
Download or read book Some Chronic Effects of DDT on Cutthroat Trout written by Donald T. Allison and published by . This book was released on 1964 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Effects on cutthroat trout (Salmo clarki lewisi) of periodic exposure to different levels of DDT in bath and in food were determined over a 20-month period involving one spawning cycle. High dosages produced a marked increase in mortality, probably by reducing the resistance to nonspecific stressors; survivors fish in high-dosage lots were significantly larger than those in control and low-DDT lots. Intermediate and low dosages of DDT generally did not measurably affect mortality, growth, or reproductive potential, indicating that a threshold level exists around 0.1 p.p.m. monthly in contact form and around 0.3 mg. DDT per kg. of fish weekly in the diet for the toxic effects of DDT.
Download or read book Sport Fishery Abstracts written by and published by . This book was released on 1970 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Senate. Committee on Commerce. Subcommittee on Energy, Natural Resources, and the Environment Publisher : ISBN 13 : Total Pages :640 pages Book Rating :4.3/5 (121 download)
Book Synopsis Effects of Pesticides on Sports and Commercial Fisheries by : United States. Congress. Senate. Committee on Commerce. Subcommittee on Energy, Natural Resources, and the Environment
Download or read book Effects of Pesticides on Sports and Commercial Fisheries written by United States. Congress. Senate. Committee on Commerce. Subcommittee on Energy, Natural Resources, and the Environment and published by . This book was released on 1969 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Committee Serial No. 91-15. Considers the effects of DDT and similar agricultural pesticides on fish in Lake Michigan. Sept. 29 hearing was held in Lansing, Mich., and Sept. 30 hearing was held in Muskegon, Mich.
Author :United States. Congress. Senate. Committee on Commerce. Subcommittee on Energy, Natural Resources, and the Environment Publisher : ISBN 13 : Total Pages :1794 pages Book Rating :4.:/5 (51 download)
Book Synopsis Effects of Mercury on Man and the Environment by : United States. Congress. Senate. Committee on Commerce. Subcommittee on Energy, Natural Resources, and the Environment
Download or read book Effects of Mercury on Man and the Environment written by United States. Congress. Senate. Committee on Commerce. Subcommittee on Energy, Natural Resources, and the Environment and published by . This book was released on 1970 with total page 1794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Research Publication Series of the U.S. Fish and Wildlife Service, 1889-1985 by :
Download or read book Selected Research Publication Series of the U.S. Fish and Wildlife Service, 1889-1985 written by and published by . This book was released on 1987 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: A bibliography comprising annotated citations of 2037 scientific and technical publications from ten series issued by the U.S. Fish and Wildlife Service. Includes a six-page introduction containing a history of the Service and a description of the research and development series.
Book Synopsis Effects of Pesticides on Sports and Commercial Fisheries, Hearings Before the Subcommittee on Energy, Natural Resources, and the Environment...Serial No. 91-15 by : United States. Congress. Senate. Commerce
Download or read book Effects of Pesticides on Sports and Commercial Fisheries, Hearings Before the Subcommittee on Energy, Natural Resources, and the Environment...Serial No. 91-15 written by United States. Congress. Senate. Commerce and published by . This book was released on 1969 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Report by : U.S. Fish and Wildlife Service
Download or read book Research Report written by U.S. Fish and Wildlife Service and published by . This book was released on 1964 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Report written by and published by . This book was released on 1961 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Report - Bureau of Sport Fisheries and Wildlife by : United States. Bureau of Sport Fisheries and Wildlife
Download or read book Research Report - Bureau of Sport Fisheries and Wildlife written by United States. Bureau of Sport Fisheries and Wildlife and published by . This book was released on 1941 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Development Series by :
Download or read book Research and Development Series written by and published by . This book was released on 1987 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Resource Publication written by and published by . This book was released on 1980 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Quality Criteria Data Book: Effects of chemicals on aquatic life; selected data from the literature through 1968, by Batelle's Columbus Laboratories by :
Download or read book Water Quality Criteria Data Book: Effects of chemicals on aquatic life; selected data from the literature through 1968, by Batelle's Columbus Laboratories written by and published by . This book was released on 1970 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Description of Eggs and Larvae of the Summer Flounder, Paralichthys Dentatus by : W. G. Smith
Download or read book Description of Eggs and Larvae of the Summer Flounder, Paralichthys Dentatus written by W. G. Smith and published by . This book was released on 1970 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summer flounder eggs and larvae are described from artificially fertilized specimens and from material collected at sea, accompanied by a set of illustrative plates.
Book Synopsis Food Habits of Striped Marlin and Sailfish Off Mexico and Southern California by : Douglas H. Evans
Download or read book Food Habits of Striped Marlin and Sailfish Off Mexico and Southern California written by Douglas H. Evans and published by . This book was released on 1972 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stomach contents of 924 striped marlin landed in the sport catches at Mazatlan, Sinaloa, and Buena Vista, Baja California, Sur, Mexico, and San Diego, California, and of 197 sailfish from Mazatlan and Buena Vista were examined. The striped marlin and sailfish fed primarily on pelagic fishes and cephalopods. By volume the major foods were squid (principally Dosidicus gigas) for striped marlin at Mazatlan and for striped marlin and sailfish at Buena Vista, northern anchovy for striped marlin at San Diego, and threadfin for sailfish at Mazatlan. Locally differences in food habits were pronounced, and some seasonal and yearly differences were found.
Book Synopsis Review of Fishery Studies on Missouri River Main Stem Reservoirs by : Norman Gustaf Benson
Download or read book Review of Fishery Studies on Missouri River Main Stem Reservoirs written by Norman Gustaf Benson and published by . This book was released on 1968 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The six main stem Missouri River reservoirs are described, and information available through 1964 on plankton, water chemistry, fish populations, and water management is discussed. At maximum pool, these reservoirs have a capacity of 76 million acre-feet and a surface area of 1.2 million acres. Each of the upper reservoirs is larger in capacity and area than the sum of the lower three reservoirs. Fishes common in this system are bigmouth buffalo, carp, river carpsucker, yellow perch, goldeye, northern pike, sauger, walleye, white crappie, black crappie, and freshwater drum. Available information on growth rates, year-class strength, and relative abundance of common species is described. Limiting factors of the environments are the turbidities, wind, and fine soils. Research needs and problems relative to fish production are discussed.
Book Synopsis Bibliography on the Blood Chemistry of Fishes by : Joseph B. Hunn
Download or read book Bibliography on the Blood Chemistry of Fishes written by Joseph B. Hunn and published by . This book was released on 1967 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A literature search, starting from scratch, is expensive in terms of time spend in comparison with information gathered. This bibliography includes earlier references by Hunn (1959, 1960) that provide some information to anyone seeking a range of "normal" blood values for fish blood chemistry as well as additional literature that attempts to evaluate the physiological responses of fish to changes in their environment.
Download or read book Marine Fisheries Review written by and published by . This book was released on 1982 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
