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Showing 1 to 6 of 6 for “"Northwestern Illinois"”.
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A quantitative study of the vegetation of dry and dry-mesic sand prairies in Central and Northwestern Illinois
Dry and dry-mesic sand prairies in Illinois are mainly restricted to the glacial outwash and valley train deposits bordering major rivers in the northern half of the state, particularly the Illinois, Mississippi, and Rock Rivers. When compared to typical Illinois blacksoil prairies, these sand …
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Reintroduction Biology of Head-Started Ornate Box Turtles
… River National Wildlife and Fish Refuge in northwestern Illinois, I compared the relative success of different approaches to reintroduction. Specifically, I tested the null hypothesis that reintroduced turtles exhibited equal reintroduction success when, 1) released at a site that is known …
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Community and ecosystem changes in tallgrass prairie restorations: the effects of population source and diversity
… gradient from eastern Kansas to western Illinois), and consisted of a split plot design, with dominant grass source as the whole-plot factor (2 levels) and seeded dominance of grasses as the subplot factor (5 levels). Percent cover of each species in each treatment combination was …
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The John Chapman site and creolization on the northern frontier of the Mississippian world
… materials from the John Chapman (11JD12) site in northwestern Illinois. Here a small contingent of Mississippian people appears to have migrated to live among a local population of Terminal Late Woodland people. As these two groups created new settlements, they constructed a unique identity …
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Is meadowlark habitat segregation within sympatry behaviorally mediated?
… patterns at a large remnant sand prairie in northwestern Illinois. In the first study, I examined habitat use of both species occurring in the same area at the same time. Complementary to the habitat study, I examined the response of Eastern and Western Meadowlarks to conspecific and …
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Enhancement of diversity via disturbance and seed addition in two sand prairies dominated by different grasses
… differ over time? In a sand prairie in northwestern Illinois, USA, baseline community structure was compared in two communities dominated by either Schizachyrium scoparium, a native warm-season (C4) grass, or Bromus inermis, a non-native cool-season (C3) grass. Five years of vegetation …