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The Castalia Prairie

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/5284

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dc.creator Sears, Paul Bigelow en_US
dc.date.accessioned 2005-10-01T01:39:18Z
dc.date.available 2005-10-01T01:39:18Z
dc.date.issued 1967-03 en_US
dc.identifier.citation The Ohio Journal of Science. v67 n2 (March, 1967), 78-88 en_US
dc.identifier.issn 0030-0950 en_US
dc.identifier.uri http://hdl.handle.net/1811/5284
dc.description Author Institution: Department of Biology, Yale University, New Haven, Conn. en_US
dc.description.abstract The Castalia Prairie in northern Ohio developed on 3000 or more acres of calcareous deposit averaging 6 to 7 feet in thickness and representing an interval of some 8000 years. Below it, at 54 feet, are lake sediments that accumulated on till during an interval of about 5000 years. Pollen analysis shows a transition from spruce dominance to deciduous forest and grassland conditions just above the lake sediments, with a subsequent increase in herbaceous (prairie) pollen. However, peaks of prairie pollen occur within the (coniferous) lake sediments, indicating that representatives of the grassland community had already migrated eastward during the time of glacial retreat and were at hand to become established at the onset of xerothermic conditions around 3600 years ago. en_US
dc.format.extent 754950 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.rights Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given. en_US
dc.title The Castalia Prairie en_US