Goldeye Hiodon Alosoides In Lake Oahe
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Goldeye Hiodon Alosoides In Lake Oahe
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Author : Grant L. Miller
language : en
Publisher:
Release Date : 1974
Goldeye Hiodon Alosoides In Lake Oahe written by Grant L. Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Fish populations categories.
Reporductive success was relatively consistent, and adequate to maintain species abundance at a nearly constant level, during 1963-69. Both abundance and growth in length increased from the lower to the upper portion of the reservoir. In most characteristics -- growth in length, length-weight relation, age at maturity, and food -- goldeye in Lake Oahe were similar to those from other Missouri River impoundments.
Technical Papers Of The U S Fish And Wildlife Service
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Author :
language : en
Publisher:
Release Date : 1980
Technical Papers Of The U S Fish And Wildlife Service written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Fish culture categories.
Technical Papers Of The U S Fish And Wildlife Service
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Author :
language : en
Publisher:
Release Date : 1974
Technical Papers Of The U S Fish And Wildlife Service written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Fish culture categories.
The Commercial Fishery In Lake Oahe North And South Dakota 1964 70
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Author : Joseph R. Higham
language : en
Publisher:
Release Date : 1974
The Commercial Fishery In Lake Oahe North And South Dakota 1964 70 written by Joseph R. Higham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Fisheries categories.
Ten species were commercially harvested in Lake Oahe, among which bigmouth buffalo predominated (63.8% of the total weight), smallmouth buffalo and goldeye ranked second, and third. Variations in the seasonal and annual production of buffalo were governed by market conditions and availability. Production and minor species depended on the amount of fishing effort directed toward the harvest of buffalo. Gill and loop nets were principal fishing gears. The fishing season usually extended from April through December; most fishing was in May through August.
Research And Development Series
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Author :
language : en
Publisher:
Release Date : 1987
Research And Development Series written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Wildlife conservation categories.
Selected Research Publication Series Of The U S Fish And Wildlife Service 1889 1985
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Author :
language : en
Publisher:
Release Date : 1987
Selected Research Publication Series Of The U S Fish And Wildlife Service 1889 1985 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Wildlife conservation categories.
A bibliography comprising annotated citations of 2037 scientific and technical publications from ten series issued by the U.S. Fish and Wildlife Service. Includes a six-page introduction containing a history of the Service and a description of the research and development series.
Resource Publication
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Author :
language : en
Publisher:
Release Date : 1987
Resource Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Fisheries categories.
Lake Francis Case A Missouri River Reservoir
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Author : Charles H. Walburg
language : en
Publisher:
Release Date : 1977
Lake Francis Case A Missouri River Reservoir written by Charles H. Walburg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Fish populations categories.
Studies conducted during the first 23 years of impoundment of Lake Francis Case indicated that fish abundance in the early 1970's was about half of that in the late 1950's. Of 39 species collected, 12 were abundant in the 1950's and 8 in the 1970's, but only 4 were abundant throughout the impoundment period.
Abundance Composition And Distribution Of Crustacean Zooplankton In Relation To Hypolimnetic Oxygen Depletion In West Central Lake Erie
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Author : Roy F. Heberger
language : en
Publisher:
Release Date : 1977
Abundance Composition And Distribution Of Crustacean Zooplankton In Relation To Hypolimnetic Oxygen Depletion In West Central Lake Erie written by Roy F. Heberger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Biochemical oxygen demand categories.
Samples of crustacean zooplankton were collected monthly in west-central Lake Erie in April and June to October 1968, and in July and August 1970, before and during periods of hypolimnetic dissolved oxygen (DO) depletion. The water column at offshore stations was thermally stratified from June through September 1968, and the hypolimnion contained no DO in mid-August of 1968 or 1970. Composition, abundance, and vertical distribution of crustacean zooplankton changed coincidently with oxygen depletion. Zooplankton composition shifted from mainly cyclopoid copepods in July to mainly cladocerans and copepod nauplii in middle to late August. We believe that mortality of adults and dormancy of copepodites in response to anoxia was the probable reason for the late summer decline of planktonic C. b. thomasi.
Verification Of A Model For Predicting The Effect Of Inconstant Temperature On Embryonic Development Of Lake Whitefish Coregonus Clupeaformis
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Author : William H. Berlin
language : en
Publisher:
Release Date : 1977
Verification Of A Model For Predicting The Effect Of Inconstant Temperature On Embryonic Development Of Lake Whitefish Coregonus Clupeaformis written by William H. Berlin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Fishes categories.
Eggs stripped from lake whitefish spawning in Lake Michigan were incubated in the laboratory at temperatures similar to those on whitefish spawning grounds in Lake Michigan during December-April. Observed times from fertilization to attachment of each of 21 developmental stages were used to test a model that predicts the rate of development at daily fluctuating temperatures; the model relates rate of development for any given stage j, expressed as the reciprocal of time (Rj), to temperature (T). The generalized equation for a developmental stage is Rj = abt ct[squared]. The model was used to predict the effects of small temperature increases (caused by a hypothetical waste-heat discharge) on the rate of development and time of hatching of lake whitefish eggs.