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dc.contributor.advisorAnderson, J. W.
dc.creatorBedford, William Brian
dc.date.accessioned2020-01-08T18:15:37Z
dc.date.available2020-01-08T18:15:37Z
dc.date.created1973
dc.date.issued1972
dc.identifier.urihttps://hdl.handle.net/1969.1/DISSERTATIONS-181854
dc.description.abstractRangia cuneata (Gray, 1832), an estuarine lamellibranch of the marine family Mactridae, is found in areas subject to salinity fluctuations ranging between 0 and 25°/oo. As adults these clams are capable of surviving several months in freshwater and at least two months in full-strength seawater. The present study was conducted to determine the effect of environmental salinity variation on selected physiological parameters. At salinities of 5°/oo or less Rangia responds by maintaining its blood osmotic concentration at approximately 60 m0sm/liter above the medium. Uptake of dissolved glycine is sharply reduced at salinities below 5°/oo, but between 6 and 25°/oo there was no significant difference in the rate of glycine uptake by whole animals or isolated gill tissue. ...en
dc.format.extent122 leavesen
dc.format.mediumelectronicen
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.rightsThis thesis was part of a retrospective digitization project authorized by the Texas A&M University Libraries. Copyright remains vested with the author(s). It is the user's responsibility to secure permission from the copyright holder(s) for re-use of the work beyond the provision of Fair Use.en
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectBiologyen
dc.titleThe physiological ecology of the estuarine clam Rangia cuneata (Gray)en
dc.typeThesisen
thesis.degree.disciplineBiologyen
thesis.degree.grantorTexas A&M Universityen
thesis.degree.nameDoctor of Philosophyen
thesis.degree.levelDoctoralen
dc.contributor.committeeMemberBerner, Leo
dc.contributor.committeeMemberCox, Elenor R.
dc.contributor.committeeMemberDarnell, R. M.
dc.contributor.committeeMemberSweet, Merrill H.
dc.type.genredissertationsen
dc.type.materialtexten
dc.format.digitalOriginreformatted digitalen
dc.publisher.digitalTexas A&M University. Libraries


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