Studies of the Channel Catfish (Ictalurus Punctatus) in the Lower Platte River, Nebraska PDF Download
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Author: Edward J. Peters
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages :
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Author: Edward J. Peters
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages :
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Author: Nebraska Game and Parks Commission. Fisheries Division
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages :
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Author: Brandon L. Eder
Publisher:
ISBN:
Category :
Languages : en
Pages : 197
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The popularity of catfish Ictaluridae nationally as a sport fish is well documented and angling for catfish on the Missouri River in Nebraska (NMR) is especially popular. Catfish monitoring program by the Nebraska Game and Parks Commission (NGPC) began in 1974 and several short-term evaluations of Channel Catfish population dynamics have been performed. However, no long term analyses of population characteristics have been conducted since the early 1990s. The focus of this research was to summarize the status of Channel Catfish populations in the NMR and give recommendations for future management. I summarized population characteristics, modeled length limit regulations, and assessed the feasibility of a survey design aimed at gathering effort and catch data from setline anglers. Population characteristics varied among the four reaches studied. Channel Catfish in the upper unchannelized reach had relatively low mortality, moderate population densities and a long life span. The lower unchannelized reach had a population of small, slow growing Channel Catfish with high mortality rates. Population characteristics in the upper channelized reach were similar to those of the lower unchannelized reach except relative abundance was greater. The lower channelized reach had the highest mortality and the fastest growing, shortest lived fish in the study. Modeling revealed all reaches except the lower unchannelized reach could benefit from a 380-mm minimum length limit. In all cases, mean total length, mean weight, and yield would increase with a minimum length limit. A maximum length limit would likely not be effective for growing trophy sized fish in the upper unchannelized reach. Setlining is an unknown aspect of the Missouri River catfish fishery, and methods described in this study appear to be a feasible alternative to traditional creel surveys for estimating setline effort and catch.
Author: Vincent J. Burke
Publisher:
ISBN:
Category : Natural resources
Languages : en
Pages : 174
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Author:
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 500
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Author:
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ISBN:
Category : Biotic communities
Languages : en
Pages : 250
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Author: Steven R. Walker
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages : 144
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Author: Thomas P. Simon
Publisher: CRC Press
ISBN: 0203497643
Category : Medical
Languages : en
Pages : 232
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This series fills immense gaps in knowledge of issues related to early life development of fishes in the Ohio basin. Volume I includes familes Acipenseridae to Esocidae, Volume II includes the Catostomidae, while Volume III addresses the developmental and morphological issues of catfish and madtoms. This volume describes the characteristics of the
Author: Larry D. Messman
Publisher:
ISBN:
Category : Channel catfish
Languages : en
Pages : 192
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Author:
Publisher:
ISBN:
Category : Fish-culture
Languages : en
Pages : 642
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