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An ecological assessment of the non-indigenous isopod, Synidotea laticauda, in Delaware Bay

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TitleInfo (type = uniform)
Title
An ecological assessment of the non-indigenous isopod, Synidotea laticauda, in Delaware Bay
Name (type = personal)
NamePart (type = family)
Boyd
NamePart (type = given)
Sean G.
DisplayForm
Sean G. Boyd
Role
RoleTerm (authority = RUETD)
author
Name (type = personal)
NamePart (type = family)
Bushek
NamePart (type = given)
David
Affiliation
Advisory Committee
DisplayForm
David Bushek
Role
RoleTerm (authority = RULIB)
chair
Name (type = personal)
NamePart (type = family)
Grassle
NamePart (type = given)
Judith
Affiliation
Advisory Committee
DisplayForm
Judith Grassle
Role
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internal member
Name (type = personal)
NamePart (type = family)
Handel
NamePart (type = given)
Steven
Affiliation
Advisory Committee
DisplayForm
Steven Handel
Role
RoleTerm (authority = RULIB)
internal member
Name (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB)
degree grantor
Name (type = corporate)
NamePart
Graduate School - New Brunswick
Role
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school
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Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (qualifier = exact)
2008
DateOther (qualifier = exact); (type = degree)
2008-05
Language
LanguageTerm
English
PhysicalDescription
Form (authority = marcform)
electronic
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
viii, 82 pages
Abstract
Synidotea laticauda is a non-indigenous marine isopod that has been documented in Delaware Bay since 1998. Due to its relatively resent arrive there is a general lack of scientific knowledge about the impact this isopod may have on local ecosystems. Extremely high seasonal abundances, documented over the past three years, suggest the potential for a strong impact. A presence-absence survey conducted during the summer of 2006 documented S. laticauda along portions of both the New Jersey and Delaware coasts of Delaware Bay and on several oyster seed beds within the bay. Isopods were only present in portions of the bay containing anthropogenic structures and salinities between 2 and 22. Synidotea laticauda were not observed along the Atlantic coasts of New Jersey or Delaware. Temperature-salinity challenges found that S. laticauda die quickly in fresh water but can survive in salinities of 30 and 35. The temperature-salinity challenges also found that S. laticauda survived in water temperatures typical for Delaware Bay. Although lethargic, isopods experienced very little mortality at 5° C; however, high mortality was experienced above 25° C. Regular monitoring of recently deployed (clean) and continuously deployed (fouled) cages in the Maurice River identified a preference for structures accumulating biological fouling. Several trophic interactions between S. laticauda and the biota of Delaware Bay were also identified in this study. Single-choice feeding trials identified predation on nine fauna and flora species and established S. laticauda as an omnivore capable of exploiting multiple food resources within the bay. Furthermore, gut content analyses of fish collected from the Maurice and Nantuxent Rivers indicate that a minimum of four predatory fish species consume S. laticauda, although it does not appear to be an important component of their diet. Collectively these findings indicate S. laticauda will persist in portions Delaware Bay but with a nominal ecological impact.
Note (type = degree)
M.S.
Note (type = bibliography)
Includes bibliographical references (p. 78-82).
Subject (authority = RUETD)
Topic
Ecology and Evolution
Subject (authority = ETD-LCSH)
Topic
Isopoda
Subject (authority = ETD-LCSH)
Topic
Delaware Bay (Del. and N.J.)
Subject (authority = ETD-LCSH)
Topic
Marine ecology
Subject
HierarchicalGeographic
Country
UNITED STATES
State
Delaware
RelatedItem (type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Identifier (type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17280
Identifier
ETD_915
Identifier (type = doi)
doi:10.7282/T3T1541W
Location
PhysicalLocation (authority = marcorg); (displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Subject (authority = lcsh/lcnaf)
Geographic
Delaware
Genre (authority = ExL-Esploro)
ETD graduate
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The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
AssociatedEntity (AUTHORITY = rulib); (ID = 1)
Name
Sean Boyd
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
RightsEvent (AUTHORITY = rulib); (ID = 1)
Type
Permission or license
Detail
Non-exclusive ETD license
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License
Name
Author Agreement License
Detail
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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