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Hydroacoustic Evaluation Of Rainbow Smelt Osmerus Mordax Abundance Spatial Distribution And Cannibalism In Lake Champlain
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Author :Sandra L. Parker-Stetter Publisher :Ann Arbor, Mich. : University Microfilms International ISBN 13 : Total Pages :328 pages Book Rating :4.E/5 ( download)
Book Synopsis Hydroacoustic Evaluation of Rainbow Smelt Osmerus Mordax Abundance, Spatial Distribution, and Cannibalism in Lake Champlain by : Sandra L. Parker-Stetter
Download or read book Hydroacoustic Evaluation of Rainbow Smelt Osmerus Mordax Abundance, Spatial Distribution, and Cannibalism in Lake Champlain written by Sandra L. Parker-Stetter and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 2005 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rainbow Smelt (Osmerus Mordax) in Lake Champlain by : Jennifer L. Stritzel Thomson
Download or read book Rainbow Smelt (Osmerus Mordax) in Lake Champlain written by Jennifer L. Stritzel Thomson and published by . This book was released on 2006 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rainbow smelt (Osmerus mordax) occupy the middle of the pelagic foodweb in Lake Champlain as zooplanktivores and cannibals, while serving as the major forage fish for piscivores. The focus of this study was to (i) relate spatial and temporal distributions of young-of-the-year (YOY) and yearling-and-older (YAO) smelt to zooplanktivory patterns and (ii) to determine the effects of density and availability of larger prey (Mysis relicta and YOY smelt) on smelt individual growth rates. We used hydroacoustics to obtain smelt abundance, midwater trawling to verify acoustic targets and to collect fish for size and stomach content information, and sampled zooplankton with vertical tows throughout the lake from June to September in 2001 and 2002. From these data, diets of smelt and zooplankton consumption were related to zooplankton abundance and species composition and we calculated individual growth rates of smelt. The 2001 smelt yea class was very large, which subsequently resulted in a large number of YAO smelt in 2002. Therefore, in 2001 YOY smelt consumed a major portion of the available zooplankton whereas the majority was consumed by YAO smelt in 2002. Through bioenergetics modeling and zooplankton production estimates, we determined that zooplankton production remained positive in most months and areas during both years despite high consumption of zooplankton by smelt. Seasonally, smelt consumed more zooplankton in September than in June or July. Through AIC analyses, we concluded that YOY growth rates were negatively influenced by YOY density and YAO growth rates were positively influenced by the abundance of Mysis in diets. The findings of this study provide a substantial contribution to our knowledge of the Lake Champlain food web, especially in light of the recent invasion of alewife (Alosa pseudoharengus). Preinvasion levels of smelt consumption and growth rates will be the information needed to document the effect of alewife on the food web as the alewife population becomes more abundant.
Book Synopsis The Effects of Spring Climate, Spawner Abundance, and Cannibalism on the Abundance of Rainbow Smelt (Osmerus Mordax) at Two Sites in the Upper Great Lakes by : Robert Daniel Sluka
Download or read book The Effects of Spring Climate, Spawner Abundance, and Cannibalism on the Abundance of Rainbow Smelt (Osmerus Mordax) at Two Sites in the Upper Great Lakes written by Robert Daniel Sluka and published by . This book was released on 1991 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of Rainbow Smelt (Osmerus Mordax) as Forage in Lake Champlain by : Richard A. Kirn
Download or read book Assessment of Rainbow Smelt (Osmerus Mordax) as Forage in Lake Champlain written by Richard A. Kirn and published by . This book was released on 1986 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Assessment of the Abundance and Distribution of Rainbow Smelt in Lake Oahe by : Janusz Burczynski
Download or read book Hydroacoustic Assessment of the Abundance and Distribution of Rainbow Smelt in Lake Oahe written by Janusz Burczynski and published by . This book was released on 1986 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydroacoustic Evaluation of Rainbow Smelt Abundance, Biomass, and Distribution in Lake Sakakawea During August and September, 1999-2002 by : Jason D. Lee
Download or read book Hydroacoustic Evaluation of Rainbow Smelt Abundance, Biomass, and Distribution in Lake Sakakawea During August and September, 1999-2002 written by Jason D. Lee and published by . This book was released on 2003 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Re-assessment of Rainbow Smelt (Osmerus Mordax) Predation on Cisco (Coregonus Artedi) in Lake Superior by : Jared T. Myers
Download or read book A Re-assessment of Rainbow Smelt (Osmerus Mordax) Predation on Cisco (Coregonus Artedi) in Lake Superior written by Jared T. Myers and published by . This book was released on 2008 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimates of Abundance, Biomass, and Distribution of Rainbow Smelt and Other Pelagic Fish in Lake Oahe Using Hydroacoustic Techniques, 1996-1999 by : Wayne Nelson-Stastny
Download or read book Estimates of Abundance, Biomass, and Distribution of Rainbow Smelt and Other Pelagic Fish in Lake Oahe Using Hydroacoustic Techniques, 1996-1999 written by Wayne Nelson-Stastny and published by . This book was released on 2001 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Population Dynamics of Rainbow Smelt (Osmerus Mordax) in Western Lake Superior by : James Edward Luey
Download or read book Population Dynamics of Rainbow Smelt (Osmerus Mordax) in Western Lake Superior written by James Edward Luey and published by . This book was released on 1982 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Distribution and Abundance of Native Rainbow Smelt and Nonnative Alewife in Lake Champlain by : Paul W. Simonin
Download or read book Distribution and Abundance of Native Rainbow Smelt and Nonnative Alewife in Lake Champlain written by Paul W. Simonin and published by . This book was released on 2010 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the main lake, YOY rainbow smelt were first observed June, whereas YOY alewife not until late July. In this region, YOY rainbow smelt were most abundant in mid-July, and YOY alewife in early-August, while Malletts Bay populations peaked earlier. Daily mortality rates were higher for earlier hatching fish. YOY alewife growth rates were faster than those of YOY rainbow smelt, and both species recruited to the adult population by October. We found YOY and adult alewife in shallower water than their rainbow smelt counterparts. YOY rainbow smelt distribution overlapped with adult rainbow smelt and YOY alewife, but adult alewife were shallower.
Book Synopsis Ecosystem Effects of Rainbow Smelt (Osmerus Mordax) Invasions in Inland Lakes by : Rebekah C. Rooney
Download or read book Ecosystem Effects of Rainbow Smelt (Osmerus Mordax) Invasions in Inland Lakes written by Rebekah C. Rooney and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Rainbow smelt (Osmerus mordax) have invaded many North American inland lakes, and their distribution continues to expand. Their broad dietary and habitat tolerances permit smelt to interact with numerous trophic levels, including zooplankton, planktivores, benthivores, and piscivores. Major concerns include the potential for rainbow smelt to extirpate native planktivores through a combination of competition and predation, their potential to weaken sport and commercial fisheries through competition and predation on juvenile game fish, and their potential to produce a trophic cascade that accelerates eutrophication. Enhancing adult piscivore populations has proven effective at reducing smelt populations; however, preventing smelt invasion is the preferred management strategy. Accidental and deliberate introduction by humans has been the primary mode of smelt range expansion, thus programs should be aimed at increasing public awareness of the risks of smelt invasion. Future research should examine multiple scales and should include both pelagic and benthic components because smelt have the potential to impact ecosystems at all levels. Recently developed models that forecast smelt distribution should be combined with current distributional data to help managers prioritize lakes at a greater risk of invasion. Investigation into the interaction between smelt invasion, climate change, and expanding human settlements is also necessary.
Book Synopsis An Estimate of Abundance and Distribution of Rainbow Smelt in Lake Oahe Reservoir Using Hydroacoustic Techniques, 1988-1989 by : Clifton C. Stone
Download or read book An Estimate of Abundance and Distribution of Rainbow Smelt in Lake Oahe Reservoir Using Hydroacoustic Techniques, 1988-1989 written by Clifton C. Stone and published by . This book was released on 1990 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Updated Estimate of Lake Utopia Rainbow Smelt (Osmerus Mordax), Large-bodied Population, Spawner Abundance and Allowable Harm by : Canadian Science Advisory Secretariat
Download or read book Updated Estimate of Lake Utopia Rainbow Smelt (Osmerus Mordax), Large-bodied Population, Spawner Abundance and Allowable Harm written by Canadian Science Advisory Secretariat and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimating Lake Utopia Rainbow Smelt (Osmerus Mordax) Spawner Abundance and Allowable Harm by : Fisheries
Download or read book Estimating Lake Utopia Rainbow Smelt (Osmerus Mordax) Spawner Abundance and Allowable Harm written by Fisheries and published by . This book was released on 2016 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Estimate of Abundance and Distribution of Rainbow Smelt in Lake Oahe Reservoir Using Hydroacoustic Techniques, 1990 by : Clifton C. Stone
Download or read book An Estimate of Abundance and Distribution of Rainbow Smelt in Lake Oahe Reservoir Using Hydroacoustic Techniques, 1990 written by Clifton C. Stone and published by . This book was released on 1991 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trophic Models of Aquatic Ecosystems by : Villy Christensen
Download or read book Trophic Models of Aquatic Ecosystems written by Villy Christensen and published by WorldFish. This book was released on 1993 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
