2 edition of Nearshore small fishes of Lake Huron: Maximizing the detection of species in sampling surveys, demography of an invasive species, round goby, and nest defense of native smallmouth bass against round gobies. found in the catalog.
Nearshore small fishes of Lake Huron: Maximizing the detection of species in sampling surveys, demography of an invasive species, round goby, and nest defense of native smallmouth bass against round gobies.
Jennifer Lam-Anh Tran
Written in English
This research is part of the Lake Huron Nearshore Small Fish Community and Exotic Species Assessment. Chapter 1: For twenty fish species of interest, I determined the probabilities of detection ( p) and the proportions of sites occupied (psi) by a binomial-with-added-zeros mixture model and maximum likelihood estimation. Perca flavescens, Notropis hudsonius, Micropterus dolomieu, Sander vitreus, and Catostomus commersoni had the highest p values. Chanter 2: In the demographic and life history study of round gobies (Apollonia melanostomus), population densities were 0.88 +/- SE 0.19 m-2. Annual survival rate was between 0.012 and 0.036 for young-of the-year, and 0.0239 for one-year-olds, 0.200 for two-year-olds, and 0 for three-year-olds. Chapter 3: My observations of nest-guarding Micropterus dolomieu support previous findings that round gobies increase the frequency of defensive behaviours. Furthermore, as the round goby population density increased from 0 to 3.96 m-2, the probability of a nest success decreased by 65%.
|The Physical Object|
|Number of Pages||179|
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