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Natural history

Journal of the Minnesota Academy of Science

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Minnesota Banded Darters (Etheostoma Zonale) Exhibit A High Degree Of Genetic Similarity In Mitochondrial Dna Sequences Occurrence, Jean Porterfield, Molly Fee, Jessica Theorin Jan 2004

Minnesota Banded Darters (Etheostoma Zonale) Exhibit A High Degree Of Genetic Similarity In Mitochondrial Dna Sequences Occurrence, Jean Porterfield, Molly Fee, Jessica Theorin

Journal of the Minnesota Academy of Science

Hylogeography, or the historical interpretation of population genetic data, is a useful tool for addressing historical processes like the colonization history of organisms. North American freshwater fishes have experienced glacial ebb and flow in their relatively recent past (as little as 10,000 years before present in Minnesota), and studies of variation in intraspecific DNA sequences of these fishes can shed light on their radiations into previously glaciated areas. This study assessed intraspecific variation in two mitochondrial genes of the banded darter (Etheostoma zonale) from seven Minnesota localities. A high degree of similarity was found among all individuals in the study. …


A New Distributional Checklist Of Minnesota Fishes, With Comments On Historical Occurrence, Jay T. Hatch, Konrad P. Schmidt, Dann P. Siems, James C. Underhill, Robert A. Bellig, Richard A. Baker Jan 2003

A New Distributional Checklist Of Minnesota Fishes, With Comments On Historical Occurrence, Jay T. Hatch, Konrad P. Schmidt, Dann P. Siems, James C. Underhill, Robert A. Bellig, Richard A. Baker

Journal of the Minnesota Academy of Science

Historical documents, Minnesota Department of Natural Resources stream surveys, and the 66,000 record distributional database of the James Ford Bell Museum of Natural History (1879-2002) were used to produce a field-usable checklist of the 160 fish species known from Minnesota waters and waters shared with its boundary states and Canadian provinces. The checklist includes distribution by eight major drainages, the conservation status for each species, and reference to nomenclatural changes over the past 20 years. Fishes are arranged according to the latest interpretations of phylogenetic relationships among species and supraspecific taxa. New distributional information is presented for six species introduced …