Fish Communities of the Buffalo River Basin and Nearby Basins of Arkansas and Their Relation to Selected Environmental Factors, 2001-2002 PDF Download
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Author: James Carroll Petersen
Publisher:
ISBN:
Category : Buffalo River (Ark.)
Languages : en
Pages : 108
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Book Description
Author: James Carroll Petersen
Publisher:
ISBN:
Category : Buffalo River (Ark.)
Languages : en
Pages : 108
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Book Description
Author: Henry W. Robison
Publisher:
ISBN: 1682261034
Category : Nature
Languages : en
Pages : 995
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Book Description
The second edition of Fishes of Arkansas, in development for more than a decade, is an extensive revision and expansion of the first edition, including reclassifications, taxonomic changes, and descriptions of more than thirty new species. An invaluable reference for anyone interested in the state's fish population--from professional ichthyologists, fisheries biologists, and managers of aquatic resources, to amateur naturalists and anglers--this new edition provides updated taxonomic keys as well as detailed descriptions, photographs, and line drawings to aid identification of the state's 241 fish species. There is also much information on the distribution and biology of each species, including descriptions of habitat, foods eaten, reproductive biology, and conservation status. This project and the preparation of this publication was funded in part by a grant from the Arkansas Game and Fish Commission.
Author: United States. National Park Service. Water Resources Division
Publisher:
ISBN:
Category : National parks and reserves
Languages : en
Pages : 144
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Michael D. Bilger
Publisher:
ISBN:
Category : Fish communities
Languages : en
Pages : 52
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Michael D. Bilger
Publisher:
ISBN:
Category : Fish communities
Languages : en
Pages : 34
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Book Description
Author: Keith A. Whisenant
Publisher:
ISBN:
Category : Ambloplites constellatus
Languages : en
Pages : 64
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Book Description
Author: Janice Arlene Mixon-Hinsey
Publisher:
ISBN:
Category : Aquatic invertebrates
Languages : en
Pages : 414
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Book Description
A multi-metric Buffalo River Index of Community Integrity (BRICI) was developed by the National Park Service to assess the aquatic invertebrate community of the Buffalo River, Arkansas. The BRICI has been successfully used on the main-stem of the river, but not evaluated on tributaries in the watershed. The purpose of this study was to evaluate the BRICI, comprised of 10 metrics, on tributaries in the Buffalo River watershed and then compare them to the Missouri Stream Community Index (SCI) that uses only four individual metrics. Available water-quality, habitat, and watershed-level geospatial data were used to determine which index serves as the better predictor of community integrity in the watershed. Based on significant findings, the BRICI appears to be more responsive than the SCI to the local and regional environmental factors of the composition, vegetation, specific conductance, and nitrogen levels. It was more consistent in detecting changes in impairment over time at one year and ten year intervals of available data. Similarity among invertebrate distributions generally reflects the BRICI impairment findings indicating that the BRICI is appropriate for use for all tributaries within the watershed and across ecoregions.
Author: Sandra J.. Clark
Publisher:
ISBN:
Category : Fish communities
Languages : en
Pages : 324
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Book Description
Abstract: Floodplain lakes have been extensively studied in tropical systems, but little is known about the influence of connectivity on floodplain lake fish communities in temperate systems. Relationships between floodplain lake connectivity and fish community dynamics within the White River National Wildlife Refuge, Arkansas were investigated and temporal patterns of fish communities were characterized. In 2002,2004, and 2005, a total of 41 floodplain lakes were sampled using various combinations of gears including: boat electrofishing, experimental gill nets, mini-fyke nets, and large-mesh gill nets. Environmental variables including water quality, lake morphometrics, and quantitative measures of connectivity were measured for each lake. Canonical correspondence analysis identified temperature, lake shape, type of connection, and start date of connection as most important in the structuring of floodplain lake fish communities. Three floodplain lake classification types were generated with large, deep, long, and narrow lakes with great temporal connection via a slough or bayou having greater abundances of rheophilic species. Intermediate size, shape, depth, and connectivity lakes were associated with rheophilic and more lacustrine species; while small, shallow, round lakes with low temporal connection due to overbank connection were associated with more lacustrine species. Five floodplain lakes followed over the entire 4-year period (2002,2004, and 2005) demonstrated a shift from cyprinid to cyprinid/centrarchid dominated systems; however, no temporal changes in richness or diversity were found. Previous year's connectivity may have influenced dominance shifts more rheophilic species toward more lacustrine species in subsequent years as connectivity conditions changed. Eight floodplain lakes were sampled during periods of documented with some lakes becoming completely inundated during high stage conditions while others were only connected via a ditch. During connection, lakes with complete inundation had lower catch per unit effort and diversity than lakes with ditch connection. It seems likely that fish dispersed from inundated lakes into the floodplain for spawning. Additionally, measured spatial and temporal connection gradients appeared to influence fish communities in floodplain lakes during periods of connection and disconnection. Connectivity is more important in influencing floodplain lake fish communities than previously documented.
