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Assessment Of Factors Affecting Sockeye Salmon Oncorhynchus Nerka Production In Ozette Lake Wa
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Book Synopsis Assessment of Factors Affecting Sockeye Salmon (Oncorhynchus Nerka) Production in Ozette Lake, WA by : John Paul Blum
Download or read book Assessment of Factors Affecting Sockeye Salmon (Oncorhynchus Nerka) Production in Ozette Lake, WA written by John Paul Blum and published by . This book was released on 1988 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Factors Affecting Migration Success of Adult Sockeye Salmon (Oncorhynchus Nerka) in the Yakima River, Washington, 2020 by : Tobias J. Kock
Download or read book Evaluation of Factors Affecting Migration Success of Adult Sockeye Salmon (Oncorhynchus Nerka) in the Yakima River, Washington, 2020 written by Tobias J. Kock and published by . This book was released on 2021 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Evaluation of the Growth, Production, and Migration of Sockeye Salmon (Oncorhynchus Nerka) in Fern Lake After the Addition of Oyster Shell by : Jerry Fredrick Jatho
Download or read book An Evaluation of the Growth, Production, and Migration of Sockeye Salmon (Oncorhynchus Nerka) in Fern Lake After the Addition of Oyster Shell written by Jerry Fredrick Jatho and published by . This book was released on 1972 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Mammal Protection Act and Endangered Species Act Implementation Program, 1998 by : Anita L. Lopez
Download or read book Marine Mammal Protection Act and Endangered Species Act Implementation Program, 1998 written by Anita L. Lopez and published by . This book was released on 1999 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Factors Influencing Production of Sockeye Salmon (Oncorhynchus Nerka) in Lakes of Southwestern Alaska by : Robert Louis Burgner
Download or read book Factors Influencing Production of Sockeye Salmon (Oncorhynchus Nerka) in Lakes of Southwestern Alaska written by Robert Louis Burgner and published by . This book was released on 1964 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Life-history Model for Sockeye Salmon (Oncorhynchus Nerka) at Lake Ozette, Northwestern Washington by : Andrea Woodward
Download or read book Life-history Model for Sockeye Salmon (Oncorhynchus Nerka) at Lake Ozette, Northwestern Washington written by Andrea Woodward and published by . This book was released on 2019 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preferred and Observed Conditions for Sockeye Salmon in Ozette Lake and Its Tributaries, Clallam County, Washington by : Gilbert Carl Bortleson
Download or read book Preferred and Observed Conditions for Sockeye Salmon in Ozette Lake and Its Tributaries, Clallam County, Washington written by Gilbert Carl Bortleson and published by . This book was released on 1979 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessing the Production of Sockeye Salmon (Oncorhynchus Nerka) at Chilkat Lake, Southeast Alaska, Using Current Trophic Conditions and the Paleolimnologic Sediment Record by : David Barto
Download or read book Assessing the Production of Sockeye Salmon (Oncorhynchus Nerka) at Chilkat Lake, Southeast Alaska, Using Current Trophic Conditions and the Paleolimnologic Sediment Record written by David Barto and published by . This book was released on 2004 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Anadromous sockeye salmon are the only Pacific salmon that require an extensive rearing period in a lake environment. Recent studies suggest changes in lake nutrient inputs are directly related to the magnitude of annual spawning populations (escapement), and can be quantified by sediment stable isotope analysis of nitrogen 15N). Marine nitrogen supplied by returned salmon is enriched in 15N relative to the freshwater nitrogen, which is derived from atmospheric N2 (ð15N=0 0/00). Recent (1987-1996) limnological investigations of Chilkat Lake, Alaska, matched to brood year escapement estimates, indicate that sockeye marine-derived phosphorus and nitrogen contributed up to 87% and 20%, respectively, of the lake nutrient pool. Since salmon populations fluctuate annually, the resulting marine derived nutrient (MDN) inputs and ð15N also fluctuate. Sedimentary ð15N is positively correlated (r2=0.8605, p=0.0076, df=5) with observed escapement. Additionally, ð15N is positively related to lake paleoproductivity and inversely correlated with high concentrations of CaCO3 and glacial silt. The frequency and duration of these CaCO3 inputs are believed to be the result of climate related glacial meltwater intrusions from the Tsirku River. Thus, fluctuations in MDN can be shown to influence the overall sockeye salmon production at Chilkat Lake by controlling lake productivity"--Leaf iii.
Book Synopsis Long-term Limnological Research and Monitoring at Crater Lake, Oregon by : G.L. Larson
Download or read book Long-term Limnological Research and Monitoring at Crater Lake, Oregon written by G.L. Larson and published by Springer Science & Business Media. This book was released on 2007-04-22 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This special volume represents the current state of knowledge of the status of Crater Lake, an ecosystem essentially undisturbed by human activities. The lake’s natural dynamics and processes have been studied, including its special optical properties, algal nutrient limitations, pelagic bacteria, and models of the inter-relationships of thermal properties, nutrients, phytoplankton, deep-water mixing, and water budgets.
Author :Jeremy M. B. Hume Publisher :Cultus Lake, B.C. : Fisheries and Oceans Canada, Science ISBN 13 : Total Pages :126 pages Book Rating :4.:/5 (31 download)
Book Synopsis An Assessment of the Juvenile Sockeye Salmon (Oncorhynchus Nerka) Populations of Babine Lake by : Jeremy M. B. Hume
Download or read book An Assessment of the Juvenile Sockeye Salmon (Oncorhynchus Nerka) Populations of Babine Lake written by Jeremy M. B. Hume and published by Cultus Lake, B.C. : Fisheries and Oceans Canada, Science. This book was released on 2000 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Juvenile sockeye salmon rearing in Babine Lake were re-examined 22 years after the initiation of the Babine Lake Development Project (BLDP). Abundance, distribution, size, and species composition of the limnetic fish populations, including juvenile sockeye salmon, were determined by hydroacoustic and midwater trawl surveys in the autumn of 1993 and the summer and fall of 1994 and 1995 and compared to results collected before and shortly after the start of the BDLP. Our objectives were to look for: 1) changes in the abundance of juvenile sockeye relative to spawning numbers; 2) changes in the utilization of the available nursery area; and 3) the effects of increased popualtion size and density on the size and growth of juvenile sockeye.
Download or read book Biological Report written by and published by . This book was released on 1984 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Hydrological Assessment of Sockeye Salmon Spawning Beaches on Lake Ozette, WA by : Aaron Cochran Brooks
Download or read book A Hydrological Assessment of Sockeye Salmon Spawning Beaches on Lake Ozette, WA written by Aaron Cochran Brooks and published by . This book was released on 2010 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Limnological and Fisheries Assessment of the Potential Production of Sockeye Salmon (Oncorhynchus Nerka) in Spiridon Lake by : Gary B. Kyle
Download or read book Limnological and Fisheries Assessment of the Potential Production of Sockeye Salmon (Oncorhynchus Nerka) in Spiridon Lake written by Gary B. Kyle and published by . This book was released on 1990 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Limnological and Fisheries Assessment of Sockeye Salmon (Oncorhynchus Nerka) Production in Afognak Lake by : Lorne E. White
Download or read book Limnological and Fisheries Assessment of Sockeye Salmon (Oncorhynchus Nerka) Production in Afognak Lake written by Lorne E. White and published by . This book was released on 1990 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Factors Affecting the Production of Juvenile Sockeye Salmon (Oncorhynchus Nerka) in Shuswap and Quesnel Lakes, British Columbia by : Jeremy M. B. Hume
Download or read book Factors Affecting the Production of Juvenile Sockeye Salmon (Oncorhynchus Nerka) in Shuswap and Quesnel Lakes, British Columbia written by Jeremy M. B. Hume and published by . This book was released on 1994 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: The four-year cycles in abundance, characteristic of many Fraser River stocks of sockeye salmon, provided an opportunity to study the effects of fry density on sockeye production. The investigators examined juvenile sockeye density, growth, biomass, and survival, and the density and species composition of macrozooplankton over a wide variety of initial (emergent) sockeye densities in Shuswap and Quesnel lakes. The report presents results indicating how density, macrozooplankton, and temperature affect sockeye growth and survival in the lakes.
Author :Canada. Department of Fisheries and Oceans Publisher :Cultus Lake, B.C. : Fisheries and Oceans Canada ISBN 13 : Total Pages :23 pages Book Rating :4.:/5 (358 download)
Book Synopsis Factors Affecting the Production of Juvenile Sockeye Salmon (Oncorhynchus Nerka) in Shuswap and Quesnel Lakes, British Columbia by : Canada. Department of Fisheries and Oceans
Download or read book Factors Affecting the Production of Juvenile Sockeye Salmon (Oncorhynchus Nerka) in Shuswap and Quesnel Lakes, British Columbia written by Canada. Department of Fisheries and Oceans and published by Cultus Lake, B.C. : Fisheries and Oceans Canada. This book was released on 1994 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Mammal Protection Act and Endangered Species Act Implementation Program, 1999 by : Anita L. Lopez
Download or read book Marine Mammal Protection Act and Endangered Species Act Implementation Program, 1999 written by Anita L. Lopez and published by . This book was released on 2000 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Marine Fisheries Service (l\rNßS) conducted an aerial survey of the beluga whale population in Cook Inlet, Alaska, during 8-14 June 1999. The 41.5 hr surveywas flown in a twin-engine, high-wing aircraft at an altitude of 244 m (800 ft) and speed of 185 km/hr (100 kt) along a trackline 1.4 km from shore, consistent with annual surveys flown each year since 1993. The flights in 1999 included one or more surveys of coastal areas around nearly the entire Inlet and 1,790 km oftransects across the Inlet. Paired, independent observers searched on the coastal (left) side of the plane, where virtually all sightings occur, while a single observer and a computer operatorldatarecorder were on the right side. In addition, each day a different visitor observed from the left side. After finding beluga groups, a series of aerial passes were made to allow at least two pairs of primary observers to make four or more counts of each group. Inter-day counts ranged from 75 to160 belugas near the Susitna River (between the Beluga and Little Susitna Rivers), 13 to 43 in Knik Arm, and 17 to 30 in Chickaloon Bay, but no belugas were found in lower Cook Inlet. The sum of the aerial estimates (using median counts from each site, not corrected for missed whales) ranged from 197 to 221 whales, depending on observer. The index count for 1999 is 217 , which is slightly higher than the index counts for 1998 (193) but lower than all index counts by NMFS observers between 1993-97
