Population characteristics of the alewife in Lake Michigan near Michigan City, Indiana in 1971

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dc.contributor.author McNutt, Howard Steven en_US
dc.date.accessioned 2011-06-03T19:34:40Z
dc.date.available 2011-06-03T19:34:40Z
dc.date.created 1973 en_US
dc.date.issued 1973
dc.identifier LD2489.Z9 1973 .M46 en_US
dc.identifier.uri http://cardinalscholar.bsu.edu/handle/handle/183532
dc.description.abstract Alewives , Alosa pseudoharengus (Wilson), were collected from May through October, 1971, on a transect in Lake Michigan near Michigan City, Indiana by trawling and gillnetting at depths of 5, 10, 15, and 18 m. Age groups III and IV (1968 and 1967 year-classes) predominated in the catch and comprised over one-half the fish captured. Males were greater in number than females in age groups II-IV but were about equal in age groups V-VII. The mean lengths in millimeters of age groups I to VIII were 91.7, 144.7, 165.3, 179.7, 184.2, 188.8, 191.9, and 200.0, respectively. Females had greater length than males in all age groups. The length-weight relationships and weight by age group analysis revealed females were heavier than males of similar lengths and ages in May-June (except fish less than 160 mm), July-August, and September-October. Condition of fish generally increased by period from May-June to July-August and was greatest in September-October. en_US
dc.format.extent v, 39 leaves : ill. ; 28 cm. en_US
dc.source Virtual Press en_US
dc.title Population characteristics of the alewife in Lake Michigan near Michigan City, Indiana in 1971 en_US
dc.type Research paper (M.A.), 4 hrs. en_US
dc.description.degree Thesis (M.A.) en_US
dc.identifier.cardcat-url http://liblink.bsu.edu/catkey/849053 en_US

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  • Research Papers [5068]
    Research papers submitted to the Graduate School by Ball State University master's degree candidates in partial fulfillment of degree requirements.

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