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Great Plains Research: A Journal of Natural and Social Sciences

1992

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A Chromosome Study Of Blue Grama (Bouteloua Gracilis) In Northern Colorado, T. Tsuchiya, W. Mcginnies, A. Shahla Aug 1992

A Chromosome Study Of Blue Grama (Bouteloua Gracilis) In Northern Colorado, T. Tsuchiya, W. Mcginnies, A. Shahla

Great Plains Research: A Journal of Natural and Social Sciences

Chromosomes were studied in somatic cells of 60 plants of blue grama, Bouteloua gracilis (Willd. ex Kunth) Lag ex Griffiths, collected from a 7-hectare field of native range at the Central Plains Experiment Range (CPER), Nunn, Colorado, to determine chromosome constitution in relation to the plant characteristics. Somatic chromosomes were studied in root tips collected from vigorously growing plants in the greenhouse. Acetocarmine squash method was used to make slide preparation. The majority of the plants were 2n =40. However, three plants were 2n=50 and two were 2n=60. The pentaploid plants (2n =50) were recorded for the first time in …


Review Of Cheyenne Bottoms: Wetland In Jeopardy By John L. Zimmerman, John Janovy Aug 1992

Review Of Cheyenne Bottoms: Wetland In Jeopardy By John L. Zimmerman, John Janovy

Great Plains Research: A Journal of Natural and Social Sciences

The Cheyenne Bottoms, Barton County, Kansas, has long been hallowed ground for birders and scientists as well as hunters. The dikes let one drive slowly through the marshes, scanning the flats for favorite sandpiper species and experiencing first hand the isolation of the central Kansas prairies. John Zimmerman, professor of biology at Kansas State University, had captured the Cheyenne Bottoms aura in eloquent prose, giving us a taste of wetlands natural history, while bringing to life the political and economic conflicts surrounding Arkansas River, and Walnut Creek, water. In many ways, the Cheyenne Bottoms case is a modern archetypical prairie …