Ecological parameters concerning the zooplankton community of the San Antonio estuarine system

dc.contributor.advisorCopeland, B. J., 1936-
dc.creatorCooper, David C. (David Clayton), 1943-
dc.date.accessioned2023-03-18T15:21:44Z
dc.date.available2023-03-18T15:21:44Z
dc.date.issued1967
dc.descriptionIncreasing urbanization and industrialization in coastal areas has resulted in the damming of many rivers leading into coastal estuaries, and the retardation of freshwater supply can have detrimental effects upon estuarine areas. Low flow augmentation of an estuary's fresh water supply causes a reduction in river material input and an increase in estuarine salinities. This often results in extensive qualitative changes in the biological characteristics of the estuarine ecosystem (Williams 1955; Copeland and Jones 1965; Copeland 1966). Quantitative characteristics may also be affected (Odum and Wilson 1962), especially in heterotrophic systems such as those involved in this study. The productivity of a heterotrophic estuarine ecosystem may not have an instantaneous response to decreased river flow, but on a long term basis most of the nutrient material deposited in the estuarine basin will be transported to the open sea. The purpose of this study is to determine the effects of environmental variations upon an estuarine zooplankton community, with special emphasis given to environmental conditions which would be appreciably altered by low flow augmentation. This is accomplished by analysis of field data obtained from the San Antonio estuarine system from April 1966 to May 1967. The sampling period traversed a term of naturally occurring low flow; the spring of 1966 had peak river flow rates, while the spring of 1967 was a virtual drought
dc.description.departmentEcology, Evolution and Behavioren_US
dc.format.mediumelectronicen_US
dc.identifier.urihttps://hdl.handle.net/2152/117617
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/44497
dc.language.isoengen_US
dc.relation.ispartofUT Electronic Theses and Dissertationsen_US
dc.rightsCopyright © is held by the author. Presentation of this material on the Libraries' web site by University Libraries, The University of Texas at Austin was made possible under a limited license grant from the author who has retained all copyrights in the works.en_US
dc.rights.restrictionOpenen_US
dc.subjectZooplanktonen_US
dc.subjectEcologyen_US
dc.subjectTexasen_US
dc.subjectSan Antonioen_US
dc.subjectEstuarine healthen_US
dc.subjectSan Antonio estuarine systemen_US
dc.subject.lcshZooplankton--Ecology--Texas--San Antonio
dc.subject.lcshEstuarine health--Texas--San Antonio
dc.titleEcological parameters concerning the zooplankton community of the San Antonio estuarine systemen_US
dc.typeThesisen_US
dc.type.genreThesisen_US
thesis.degree.departmentEcology, Evolution and Behavioren_US
thesis.degree.disciplineEcology, Evolution, and Behavioren_US
thesis.degree.grantorUniversity of Texas at Austinen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Artsen_US

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