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  5. Technical Report
Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/6451
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dc.contributor.authorKillgore, K. Jacken_US
dc.contributor.authorMiller, Gary L. (Gary Leon), 1954-en_US
dc.creatorWetlands Research Program (U.S.)en_US
dc.creatorU.S. Army Engineer Waterways Experiment Stationen_US
dc.creatorUniversity of Mississippi.-
dc.date.accessioned2016-03-23T20:09:47Zen_US
dc.date.available2016-03-23T20:09:47Zen_US
dc.date.issued1995-09en_US
dc.identifier.govdocTechnical Report WRP-SM-11en_US
dc.identifier.urihttp://hdl.handle.net/11681/6451en_US
dc.descriptionTechnical Reporten_US
dc.description.abstractLarval fish assemblages were evaluated in oxbow lakes with varying degrees of connection with the Tallahatchie River, a delta stream in the upper Yazoo River Basin in northwestern Mississippi: isolated, seasonally connected, and permanently connected. Eight collections at approximately 7-day intervals were made in each lake between 2 April and 21 May 1993 using Plexiglas larval traps; total sample size was 216. A total of 3,814larval and 436 juvenile fish from 11 different taxa were collected during the study; larval fish abundance and species richness were similar among lakes. However, species diversity and evenness were highest in the permanently connected lake. The three lakes differed in the relative representation of the most common taxa found in the study. Larval Pomoxis was the most common taxon collected in the isolated and permanently connected lakes, whereas Dorosoma cepedianum was most common in the seasonally connected lake. Larval Ictiobus were collected in small numbers in the two lakes with connections to the main river channel, whereas larval Micropterus were collected only in the isolated lake. Temporal abundance of common taxa also differed among the three lakes with the isolated lake most dissimilar. Spatial distribution of total catch was nonuniform in lakes. Oxbow lakes support moderate numbers of larval fish species, which may reflect the relative stability of physical conditions in these floodplain habitats. Species common in the oxbow lakes are also common species in the lower Mississippi River basin: crappie, gizzard shad, minnow and shiners, sunfishes, and mosquitofish. This study suggests that oxbow lakes contiguous with the river have higher species diversity than those that are isolated due to accessibility to floodplain by laterally migrating fish such as buffalo and an ecotone between swift and slackwater habitats that can be exploited by smaller species, particularly minnows and shiners. Thus, one practical solution to managing wetlands is ensuring that permanent water bodies on the floodplain are contiguous with the river during floods.en_US
dc.description.sponsorshipPrepared for U.S. Army Corps of Engineers, Washington, DC 20314-1000en_US
dc.description.tableofcontentsPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Conversion Factors, Non-SI to SI Units of Measurement ............. vii 1-Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Floodplain Habitat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Oxbow Lakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Study Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2-Description of Study Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Yazoo River Delta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Tallahatchie Oxbow Lake Sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 River Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3- Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Fish Collections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Fish Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Species Composition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Temporal Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Spatial Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5-Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Habitat Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Species Richness and Diversity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Larval Fish Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Conservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 &--Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Species Richness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Spatial Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Species Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 SF 298en_US
dc.format.extent34 pagesen_US
dc.format.mediumPDFen_US
dc.language.isoen_USen_US
dc.publisherU.S. Army Engineer Waterways Experiment Stationen_US
dc.relationhttp://acwc.sdp.sirsi.net/client/en_US/search/asset/1040682en_US
dc.relation.ispartofseriesTechnical Report (Wetlands Research Program (U.S.)) ; no. Technical Report WRP-SM-11en_US
dc.rightsApproved for public release; distribution is unlimited.en_US
dc.sourceThe ERDC Library created this digital resource using one or more of the following: Zeta TS-0995, Zeutcehl OS 12000, HP HD Pro 42-in. map scanner, Epson flatbeden_US
dc.subjectFish rearingen_US
dc.subjectFloodplainsen_US
dc.subjectOxbow lakesen_US
dc.subjectWetlandsen_US
dc.subjectFish larvaeen_US
dc.subjectFish populationsen_US
dc.subjectEcologyen_US
dc.titleLarval fish dynamics in oxbow lakes with varying connections to a temperate riveren_US
dc.typeReporten_US
Appears in Collections:Technical Report

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