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Reproductive Success Of Pacific Herring Clupea Pallasi In Prince William Sound Alaska Six Years After The Exxon Valdez Oil Spill
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Book Synopsis Reproductive Success of Pacific Herring (Clupea Pallasi) in Prince William Sound, Alaska, Six Years After the Exxon Valdez Oil Spill by : Scott W. Johnson
Download or read book Reproductive Success of Pacific Herring (Clupea Pallasi) in Prince William Sound, Alaska, Six Years After the Exxon Valdez Oil Spill written by Scott W. Johnson and published by . This book was released on 1996 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Health and Reproductive Implications of Exposure of Pacific Herring (Clupea Pallasi) Adults and Eggs to Weathered Crude Oil, and Reproductive Condition of Herring Stock in Prince William Sound Six Years After the Exxon Valdez Oil Spill by : Mark G. Carls
Download or read book Health and Reproductive Implications of Exposure of Pacific Herring (Clupea Pallasi) Adults and Eggs to Weathered Crude Oil, and Reproductive Condition of Herring Stock in Prince William Sound Six Years After the Exxon Valdez Oil Spill written by Mark G. Carls and published by . This book was released on 1997 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fishery Bulletin by : United States. National Marine Fisheries Service
Download or read book Fishery Bulletin written by United States. National Marine Fisheries Service and published by . This book was released on 1997 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies on Pacific Herring, Clupea Pallasi, Spawning in Prince William Sound Following the 1989 Exxon Valdez Oil Spill, 1989-1992 by : Evelyn Dale Biggs
Download or read book Studies on Pacific Herring, Clupea Pallasi, Spawning in Prince William Sound Following the 1989 Exxon Valdez Oil Spill, 1989-1992 written by Evelyn Dale Biggs and published by . This book was released on 1997 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pacific Herring Natal Habitats, Prince William Sound by : T. Mark Willette
Download or read book Pacific Herring Natal Habitats, Prince William Sound written by T. Mark Willette and published by . This book was released on 1998 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This project estimated the biomass of spawning adult Pacific herring Clupea pallasi in Prince William Sound (PWS) using underwater diver surveys of deposited eggs and hydroacoustic techniques"--P. 1.
Book Synopsis Contribution to the Biology of the Pacific Herring, Clupea Pallasii, and the Condition of the Fishery in Alaska by : George Armytage Rounsefell
Download or read book Contribution to the Biology of the Pacific Herring, Clupea Pallasii, and the Condition of the Fishery in Alaska written by George Armytage Rounsefell and published by . This book was released on 1930 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adventures in the Wild by : Joy Trauth
Download or read book Adventures in the Wild written by Joy Trauth and published by University of Arkansas Press. This book was released on 2012-01-01 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: The true tales in this collection will take readers from the chicken houses of Arkansas to the caves of Venezuela and Mexico to the coast of Alaska. These fifteen adventures range from amusing to life threatening. Some are filled with suspense and danger in exotic places, while others document more routine but important biological field and lab work. Meet the roommate with the rash that wouldn't go away, a friendly bull, some blind cave fish, killer whales, drug smugglers, and hairy roots that are used to produce new medicines. Read about researchers crawling through rotten-egg-smelling muck in search of an elusive mosquitofish, diving into the cold black water of the White River in search of mussels, flying with bush pilots in Alaska, and working with David Attenborough in Arkansas. Here are teachers and researchers, biologists all, all from one university, real people who get their feet wet and their hands dirty in the pursuit of knowledge.
Book Synopsis Age Composition, Weight, Length, and Sex of Herring, Clupea Pallasii, Used for Reduction in Alaska, 1929-66 by : Gerald M. Reid
Download or read book Age Composition, Weight, Length, and Sex of Herring, Clupea Pallasii, Used for Reduction in Alaska, 1929-66 written by Gerald M. Reid and published by . This book was released on 1971 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Field and Laboratory Assessment of Oil-Spill Effects on Survival and Reproduction of Pacific Herring Following the Exxon Valdez Spill by : WH. Pearson
Download or read book A Field and Laboratory Assessment of Oil-Spill Effects on Survival and Reproduction of Pacific Herring Following the Exxon Valdez Spill written by WH. Pearson and published by . This book was released on 1995 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pacific herring, Clupea pallasi, spawn along hundreds of kilometres of shoreline in Prince William Sound. Herring eggs incubate in intertidal and shallow subtidal areas attached to kelp and eelgrass. In April 1989, following the Exxon Valdez oil spill, there was potential in Prince William Sound for localized effects on spawning herring, their eggs, and the hatching larvae. Field and laboratory investigations in 1989 and 1990 were designed to assess potential injury to Prince William Sound herring by testing for differences between oiled regions and unoiled reference areas and by relating biological response variables to the concentrations of polycyclic aromatic hydrocarbons (PAH) in eggs-on-kelp samples. Hydrocarbon analyses and laboratory incubation were conducted on eggs-on-kelp samples from Prince William Sound and Sitka Sound. The eggs and hatching larvae were examined to evaluate several response variables: egg development, hatch, larval survival, abnormal development of larvae, larval length, and larval yolk-sac volume.
Author :Alaska Sea Grant College Program Publisher :Alaska Sea Grant College Program ISBN 13 : Total Pages :906 pages Book Rating :4.:/5 (318 download)
Book Synopsis Herring by : Alaska Sea Grant College Program
Download or read book Herring written by Alaska Sea Grant College Program and published by Alaska Sea Grant College Program. This book was released on 2001 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt: To help solve the unknowns in herring fisheries, and to optimize herring harvest, researchers presented their work at the symposium Herring 2000, in Anchorage, Alaska. The high levels of enthusiasm shared during the symposium are sustained in this prolific and thorough proceedings book, with 50 peer-reviewed research articles on herring biology and ecology worldwide, social and economic aspects of herring fisheries, and herring fisheries management. Winner of a 2002 Apex award.
Book Synopsis Temperature and Food Effects on Larval Pacific Herring (Clupea Pallasi) in Prince William Sound, Alaska by : Sarah Jane Thornton
Download or read book Temperature and Food Effects on Larval Pacific Herring (Clupea Pallasi) in Prince William Sound, Alaska written by Sarah Jane Thornton and published by . This book was released on 2003 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The effects of food availability and water temperature on larval Pacific herring growth rates and survival were studied using a coupled biophysical model for 1993 through 1997. The herring growth model included feeding gains, metabolic costs, mortality losses and vertical migration of the herring larvae. In years when springtime oceanographic processes resulted in a high concentration of zooplankton, food availability did not limit larval herring growth rates; water temperature determined survival. However, in other years, food availability did limit survival, either due to insufficient food concentrations or to inaccessibility of the food. Vertical migration occasionally was restricted by strong water column stratification, which prevented the larvae from reaching food concentrations sufficient for growth. Thus the amount of food, the temperature, and the vertical distribution of the food and the larvae were found to affect growth. The study of vertical properties of factors affecting larval fish must be included in larval fish research"--Leaf iii.
Book Synopsis Global Coastal Change by : Ivan Valiela
Download or read book Global Coastal Change written by Ivan Valiela and published by John Wiley & Sons. This book was released on 2009-03-12 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global Coastal Changeprovides a comprehensive overview of the environmental factors changing the marine systems of the world including atmospheric changes, sea level rise, alterations in freshwater and sediment use and transport, toxins, overfishing, alien species, and eutrophication. Includes case studies providing real-world examples, detailed reviews of the evidence of changes and possible solutions. Brings together a wealth of important information about our changing marine environments. An invaluable reference for upper level undergraduates, graduates, and professionals interested in marine environmental science.
Book Synopsis Environmental Toxicology and Chemistry by :
Download or read book Environmental Toxicology and Chemistry written by and published by . This book was released on 2000 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Alaska Herring History by : James Mackovjak
Download or read book Alaska Herring History written by James Mackovjak and published by University of Alaska Press. This book was released on 2022-07-18 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part I: Herring: The Fish and Its Utilization, 1878-1966 -- Alaska Herring: The Basics -- Early Development of Alaska's Herring Industry -- Salted Herring: The Early Years -- Early Alaska Herring Fishery Regulation and Research -- Alaska's Herring Industry Expands: 1924-1931 -- A Chronicle of Alaska's Herring Industry: 1932-1948 -- A Chronicle of Alaska's Herring Industry: 1949-1966 -- Bait Herring -- Part II: Roe Herring -- Alaska's Roe-Herring Fishery, Its Genesis and Management -- Sitka Sound Roe-Herring Fishery -- Resurrection Bay and Prince William Sound Roe-Herring Fisheries -- Lower Cook Inlet and Kodiak Area Roe-Herring Fisheries -- Togiak Roe-Herring Fishery -- Norton Sound Herring Fisheries -- Food Herring in the Modern Era -- Part III: Herring Spawn on Kelp -- Genesis of Alaska's Herring Spawn-on-Kelp Fishery -- Prince William Sound Herring Spawn-on-Kelp Fisheries, 1981-1993 -- Alaska Herring Spawn-on-Kelp Pound Fisheries -- Togiak and Norton Sound Herring Spawn-on-Kelp Fisheries.
Book Synopsis Physical and Biological Factors Affecting Pacific Herring Egg Loss in Prince William Sound, Alaska by : Christopher N. Rooper
Download or read book Physical and Biological Factors Affecting Pacific Herring Egg Loss in Prince William Sound, Alaska written by Christopher N. Rooper and published by . This book was released on 1996 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The biomass of Prince William Sound herring (Clupea pallasi) is estimated from egg deposition surveys. Because surveys occur after spawning, a correction for egg loss is required. I constructed ANOVA models based on environmental factors to estimate the egg loss correction in 1990-1991 and 1994-1995. The models explained 52% to 85% of the data variation. Depth of spawn was the primary factor determining egg loss, and air exposure could be substituted for depth. The correction factor was estimated at 33%. The total loss of eggs from spawning to hatching ranged from 67.40% to 100% averaging 76.06%, Two processes affecting egg loss, wave action and fish predation, were also examined. Typical wave energies were not found to contribute significantly to egg loss, but a threshold wave energy may exist beyond which egg loss is high. Consumption of eggs by greenling (Hexagrammidae) was estimated at 2.2% to 8.5% of the total spawn.
Book Synopsis Habitat Use of Pacific Herring (Clupea Pallasii) in Prince William Sound, Alaska by : Seanbob R. Kelly
Download or read book Habitat Use of Pacific Herring (Clupea Pallasii) in Prince William Sound, Alaska written by Seanbob R. Kelly and published by . This book was released on 2007 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: "To determine the spawning area contributions of Pacific herring (Clupea pallashii) larvae to nursery bays, otolith chemical analysis was conducted on juvenile fish collected from 1995 to 1997 in Prince William Sound, Alaska. The otolith edge, representing the chemical signature of the known capture location, and the otolith core, representing the unknown spawning ground chemistry, were compared with discriminant function analysis to infer spawning area origin. Chemical signatures of 87Sr/86Sr ,88Sr/48Ca, 24Mg/48Ca, and 138Ba/48Ca were used to identify broad spawning regions from inner and outer PWS that persisted for the three years sampling period despite significant interannual variability in otolith edge chemistry within nursery bays. Age of juvenile Pacific herring, age-0, 1, 2, did not significantly affect the otolith edge signatures; thus, this study is able to conclude from the otolith core chemistry that spawning areas do not contribute equally to nursery bays. This is the first demonstration that otolith chemical signatures can be used to identify the important spawning areas of this commercially important species in the Gulf of Alaska coastal areas"--Leaf iii.
Book Synopsis Validation of Acoustic Surveys for Pacific Herring (Clupea Pallasii) Using Direct Capture by : Mary Anne Bishop
Download or read book Validation of Acoustic Surveys for Pacific Herring (Clupea Pallasii) Using Direct Capture written by Mary Anne Bishop and published by . This book was released on 2018 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Investigation of associations between catch rate and habitat covariates of Pactific herring in Prince William Sound, using generalized linear mixed models.
