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Aspects of the life history of Cichla temensis (Perciformes: Cichlidae) and its relationship to the Amazon Basin's flood pulse
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TitleInfo
Title
Aspects of the life history of Cichla temensis (Perciformes: Cichlidae) and its relationship to the Amazon Basin's flood pulse
Name
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Reiss
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Paul
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1949-
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Paul Reiss
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author
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Kenneth W.
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Kenneth W. Able
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Advisory Committee
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chair
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Taghon
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Gary L.
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Gary L. Taghon
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Advisory Committee
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internal member
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(type = family)
Jordan
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(type = given)
Rebecca
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Rebecca Jordan
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Advisory Committee
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internal member
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Grothues
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Thomas M.
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Thomas M. Grothues
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Advisory Committee
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outside member
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Rutgers University
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degree grantor
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Graduate School - New Brunswick
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school
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theses
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2015
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2015-10
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2015
Place
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xx
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eng
Abstract
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Cichla temensis, the largest of the Neotropical “peacock basses”, is an economically important species for both sportfishing and human consumption in the central Amazon lowlands. As an apex predator, it is also an important component of its ecosystem. Due to taxonomic questions and a dearth of definitive information about the species’ life history and relationship to its natural flood pulse habitat, there has been a lack of effective management tools and conservation policies to protect this economically and ecologically important species. The principle motivation for the work performed for, and described in, this dissertation is to clarify these topics and provide a foundation for the creation of effective future management tools. In Chapter 1, a three-part study using morphometric, reproductive and molecular data showed that variants of Cichla temensis are members of a single species whose individuals undergo a yearly color and pattern variation correlated to their specific degree of seasonal sexual maturation. Chapter 2 used geometric morphometric techniques to analyze shape changes in the variants and their relation to the deposition of fatty reserves necessary for prespawn gametogenesis and postspawn maintenance during a protracted fast associated with brood guarding behavior. The study showed that the behavioral and physiological characters analyzed are related to each other and to their environment’s yearly flood pulse. Chapters 1 and 2, in conjunction with prior studies and personal observation, laid a foundation that served as the basis for Chapter 3. Habitat use and spawning behavior were analyzed in relation to flood pulse conditions and grade of color and pattern variation. The temporal and spatial linkages provided by these results enabled, for the first time, a synthesis of the species’ life history with the Amazon basin’s pulsative ecology. This new body of information can help provide a foundation for future management tools and conservation policies to maximize the economic benefits provided by this species while simultaneously creating the sustainability to protect the unique ecosystem in which it plays an integral role.
Subject
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Topic
Ecology and Evolution
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Rutgers University Electronic Theses and Dissertations
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ETD_6692
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electronic resource
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application/pdf
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text/xml
Extent
1 online resource (vii, 152 p. : ill.)
Note
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Ph.D.
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Includes bibliographical references
Subject
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Topic
Peacock bass
Subject
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Topic
Amazon River
Note
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by Paul Reiss
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Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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doi:10.7282/T32B911F
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ETD doctoral
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Rights
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The author owns the copyright to this work.
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Name
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Reiss
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Paul
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Permission or license
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2015-09-01 12:40:47
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Paul Reiss
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Rutgers University. Graduate School - New Brunswick
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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2015-10-31
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2016-10-30
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Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after October 30th, 2016.
Copyright
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Copyright protected
Availability
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Open
Reason
Permission or license
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windows xp
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