Zobrazeno 1 - 6
of 6
pro vyhledávání: '"John E. Schwegman"'
Autor:
John E Schwegman
The Natural Heritage of Illinois is an engaging collection of ninety-three essays on the lands, waters, plants, and animals found in Illinois. Written in lively, accessible prose, the book discusses how wind, water, glaciers, earthquakes, fire, and
Autor:
Paul D. Welch, Brian M. Butler, Staffan D. Peterson, Michael L. Hargrave, John E. Schwegman, John A. Schwegman, R. Berle Clay
Publikováno v:
Southeastern Archaeology. 30:20-37
Despite extensive work by the University of Chicago in 1934–44, Kincaid has remained one of the least understood of the large mid-South Mississippian mound complexes. Between 2003 and 2009, large-scale magnetic gradient survey was done on 33.6 ha o
Publikováno v:
Castanea. 73:29-39
The 590 ha Sand Prairie-Scrub Oak Nature Preserve in Mason County, Illinois contains remnant dry sand prairies, sand savanna, sand forest, and successional fields. Purchased in 1969, the abandoned agricultural fields have been allowed to re-vegetate
Publikováno v:
Restoration Ecology. 8:296-306
We studied vegetation change of a remnant barrens in southern Illinois over twenty-five years. The study area was periodically burned between 1969 and 1993, but fire was excluded for a 16-year period (1974-1989). During the study, the barrens support
Autor:
John E. Schwegman, W. Carl Taylor
Publikováno v:
American Fern Journal. 82:82
Autor:
John E. Schwegman
Publikováno v:
American Fern Journal. 58:89