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The Effects Of Global Warming On The Distribution Of Steelhead Trout Oncorhynchus Mykiss Populations On The Alaska Peninsula Alaska
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Book Synopsis The Effects of Global Warming on the Distribution of Steelhead Trout (Oncorhynchus Mykiss) Populations on the Alaska Peninsula, Alaska by : F. Jeffrey Adams
Download or read book The Effects of Global Warming on the Distribution of Steelhead Trout (Oncorhynchus Mykiss) Populations on the Alaska Peninsula, Alaska written by F. Jeffrey Adams and published by . This book was released on 1993 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Global Warming on the Distribution of Steelhead Trout Populations on the Alaska Peninsula, Alaska by : Dewey Mitchell Eaton
Download or read book The Effects of Global Warming on the Distribution of Steelhead Trout Populations on the Alaska Peninsula, Alaska written by Dewey Mitchell Eaton and published by . This book was released on 1995 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation to determine the distribution and population characterstics of steelhead trout (Onchorhynchus mykiss) on the Alaska Peninsula, Alaska, was conducted during 1991-1994 as the first phase of a long-term investigation initiated in 1991 as part of the global change component of the Fishery Resources Status and Trends (FRST).
Book Synopsis Biological Characteristics and Population Status of Steelhead (Oncorhynchus Mykiss) in Southeast Alaska by : Samuel Clark Lohr
Download or read book Biological Characteristics and Population Status of Steelhead (Oncorhynchus Mykiss) in Southeast Alaska written by Samuel Clark Lohr and published by . This book was released on 1999 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis General Technical Report PNW-GTR by :
Download or read book General Technical Report PNW-GTR written by and published by . This book was released on 1999 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Distribution and Origins of Steelhead Trout (Oncorhynchus Mykiss) in Offshore Waters of the North Pacific Ocean by : R. L. (Robert Louis) Burgner
Download or read book Distribution and Origins of Steelhead Trout (Oncorhynchus Mykiss) in Offshore Waters of the North Pacific Ocean written by R. L. (Robert Louis) Burgner and published by . This book was released on 1992 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Charactieristics and Population Status of Steelhead (Oncorhynchus Mykiss) in Southeast Alaska by : Samuel C. Lohr
Download or read book Biological Charactieristics and Population Status of Steelhead (Oncorhynchus Mykiss) in Southeast Alaska written by Samuel C. Lohr and published by . This book was released on 1999 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spawning Stocks and Juvenile Summer Habitat of Rainbow Trout and Steelhead, Gulkana River, Alaska by : Thomas Christopher Stark
Download or read book Spawning Stocks and Juvenile Summer Habitat of Rainbow Trout and Steelhead, Gulkana River, Alaska written by Thomas Christopher Stark and published by . This book was released on 1999 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Gulkana River supports the northernmost population of steelhead and rainbow trout Oncorhynchus mykiss in North America. The summer habitat of Gulkana River juvenile trout (i.e., steelhead and rainbow trout) was identified and described. Analysis of geomorphological features of stream reaches (stream entrenchment, bankfull width-to-depth ratio, sinuosity, channel material, and slope) in relation to differential use of habitat by juvenile trout indicated a strong preference for type C reaches (predominately riffle/run habitat) over type E reaches (predominately slow run habitat). A comparison of micro-habitats (riffle, run, pool, slow run) within those same reaches and distribution of juvenile trout indicated a preference for riffle and run habitat. Most type C reaches in the Mainstem were sparsely populated by juveniles throughout summer. The Middle Fork was devoid of juveniles in early summer. In mid- and late summer, coinciding with the arrival of spawning chinook O. tshawytscha and sockeye salmon O. nerka, most riffle/run reaches in the Middle Fork were occupied by juvenile trout. The steelhead spawning population has declined from an estimated 200-1,000 fish two decades ago to 20-50 fish during this study (1993-1995). Rainbow trout stocks are also apparently low. Monitoring of Copper River fisheries and Gulkana spawning populations and an investigation into other steelhead spawning populations in the Copper River basin are recommended"--3.
Book Synopsis Population Ecology of Adult Steelhead Trout (Oncorynchus Mykiss) of the Karluk River, Alaska by : Robert N. Begich
Download or read book Population Ecology of Adult Steelhead Trout (Oncorynchus Mykiss) of the Karluk River, Alaska written by Robert N. Begich and published by . This book was released on 1999 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Early Marine Growth Patterns of Situk River Steelhead, Oncorhynchus Mykiss by : Matthew R. Catterson
Download or read book Early Marine Growth Patterns of Situk River Steelhead, Oncorhynchus Mykiss written by Matthew R. Catterson and published by . This book was released on 2017 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Steelhead Oncorhynchus mykiss exhibit complex life-history patterns described by variable freshwater and marine residency periods, maturation patterns, and reproductive characteristics. Over 300 small populations of Steelhead are present in Southeast Alaska, and similar trends in abundance among these populations suggest the influence of population-regulating forces operating on a regional scale. The Situk River, near Yakutat, Alaska, supports the largest known population of Steelhead in Alaska. Stock assessment studies on this river have collected the longest set of biological data and scale samples for Steelhead in the state. For this study, retrospective scale pattern analysis of samples from Situk River Steelhead was synthesized with regional abundance information to investigate patterns in early marine growth among different life-history and demographic groups, as well as to explore linkages between growth, abundance, and marine environmental variables. Positive correlations were identified between freshwater growth, first ocean-year growth, and adult length, while first ocean-year growth was negatively correlated with second ocean-year growth. Early maturing Steelhead were found to have increased first ocean-year growth and reduced adult length relative to later maturing Steelhead, confirming connections between growth and maturation. Correlations in abundance among Southeast Alaska Steelhead populations suggest that marine and climatic drivers may impact these populations in a regionally coherent manner. Correlations among patterns in abundance also varied along a distance gradient: populations located closer to the Situk River were more correlated with the Situk River than more distant populations. Positive relationships between Gulf of Alaska sea surface temperature, North Pacific Gyre Oscillation, and Situk River Steelhead abundance further supported the importance of climate-driven marine conditions to Steelhead productivity. While conservation concerns for Steelhead in Southeast Alaska are currently minimal, proactive investigations into life-history diversity and population linkages may become more relevant with increased marine ecosystem variability related to climate change.
Book Synopsis Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2007-2008 by : David Champlain Love
Download or read book Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2007-2008 written by David Champlain Love and published by . This book was released on 2012 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for life history information on steelhead trout Oncorhynchus mykiss irideus in Southeast Alaska prompted a multi-year study that began in 2003 at Sitkoh Creek. The long-term goal of this project is to estimate the number of steelhead smolts produced from a known escapement of adults.
Book Synopsis Food Limitations in Nature Intensify Sublethal Thermal Stress Experienced by Juvenile Steelhead Trout (Oncorhynchus Mykiss) by : Eric R. Huber
Download or read book Food Limitations in Nature Intensify Sublethal Thermal Stress Experienced by Juvenile Steelhead Trout (Oncorhynchus Mykiss) written by Eric R. Huber and published by . This book was released on 2006 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2003-2004 by : David Champlain Love
Download or read book Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2003-2004 written by David Champlain Love and published by . This book was released on 2008 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for life history information on steelhead trout, Oncorhynchus mykiss, in southeast Alaska prompted a multi-year study that began in 2003 at Sitkoh Creek. The long-term goal of this project is to estimate the number of steelhead smolts produced from a known escapement of adults, i.e., smolt per spawner. This information will be combined with data from a steelhead carrying capacity project to lay the foundation for estimating escapement targets. This report summarizes the first 2 years of the multi-year project at Sitkoh Creek (2003 and 2004).
Book Synopsis Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2005-2006 by : David Champlain Love
Download or read book Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2005-2006 written by David Champlain Love and published by . This book was released on 2009 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for life history information on steelhead trout Oncorhynchus mykiss in Southeast Alaska prompted a multi-year study that began in 2003 at Sitkoh Creek. The long-term goal of this project is to estimate the number of steelhead smolt produced per spawner. This information will be combined with data from a habitat-based carrying capacity project to estimate escapement targets. This report summarizes the third and fourth years of the Sitkoh Creek project (2005-2006).
Book Synopsis Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2003-2009, and 2009 Final Report by : David Champlain Love
Download or read book Steelhead Trout Production Studies at Sitkoh Creek, Alaska, 2003-2009, and 2009 Final Report written by David Champlain Love and published by . This book was released on 2012 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the need for life history information on steelhead Oncorhynchus mykiss in Southeast Alaska, which prompted a multi-year study, whereby steelhead adults and smolts were counted through a weir on Sitkoh Creek each spring from April-June, 2003-2009. The ultimate goal of this project was to estimate demographic parameters necessary for describing spawner-recruit relationships such as the number of steelhead smolt produced per spawner.
Book Synopsis Distribution and Summer Survival of Juvenile Steelhead Trout (Oncorhynchus Mykiss) in Two Streams Within the King Range National Conservation Area, California by : Rodney O. Engle
Download or read book Distribution and Summer Survival of Juvenile Steelhead Trout (Oncorhynchus Mykiss) in Two Streams Within the King Range National Conservation Area, California written by Rodney O. Engle and published by . This book was released on 2005 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Southeast Alaska Steelhead Trout Escapement Surveys by : Troy Allen Tydingco
Download or read book Southeast Alaska Steelhead Trout Escapement Surveys written by Troy Allen Tydingco and published by . This book was released on 2020 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This project is a continuation of a long-term indicator study designed to monitor steelhead Oncorhynchus mykiss escapement within select streams across Southeast Alaska. Snorkel surveys will be used to enumerate adult steelhead within 10 index streams during times of peak inriver abundance during 2020 and 2021. This information is used to evaluate annual and regional trends in escapement, provide inseason information to fisheries managers, and provide information for regulatory decisions. This operational plan details planned activities for the 2020 and 2021 seasons."--Page 1
Book Synopsis Steelhead Trout (Oncorhynchus Mykiss). by :
Download or read book Steelhead Trout (Oncorhynchus Mykiss). written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Marie Fisheries Service of the U.S. National Oceanic and Atmospheric Administration (NOAA), headquartered in Silver Spring, Maryland, provides information on domestic endangered species listed under the Endangered Species Act of 1973. The service discusses the population, range, biology, distribution, and human impacts on the steelhead trout. A photographic image of the steelhead trout is included.
