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A STATUS REPORT ON ENDANGERED AND THREATENED PLANTS OF THE INDIANA DUNES NATIONAL LAKESHORE: MONITORING OF SPECIES NEW TO THE LAKESHORE AND RE-MONITORING OF SELECTED SPECIES (3.114669)
Date: January 1989Creator: Bowles, Marlin L.
Type: Document
Description:This report presents results of research conducted under a 1988 cooperative agreement between the Indiana Dunes National Lakeshore and The Morton Arboretum. Primary objectives were 1) to quantify the distribution of species new to the Lakeshore, and 2) to determine the effects of drought, water table lowering, lakeshore erosion, and park development use on selected species by re-examining previously monitored populations.
Extent: 52 pages
1989/04/25: Craig B. Johnson to Marlin Bowles (3.56323)
Date: April 25 1989Creator: Johnson, Craig B.
Type: Document
Description:Memo from Craig Johnson to Marlin Bowles discussing the use of the "The Pit" by the Education Department.
Extent: 1 sheet
Effects of Land Use Stochastic Events on the Heart-Leaved Plantain (Plantago cordata Lam.) in an Illinois Stream System (3.57433)
Date: 1989Creator: Apfelbaum, Stephen I., Bowles, Marlin L.
Type: Article
A Grading Plan for the Cactus Pit [including proposed location of plant habitats] (3.6099)
Date: 1989Creator: Tyznik, Anthony
Type: Map
Description:This plan modified somewhat during final grading for the Endangered Species Habitat located to the east of Meadow Lake.
Colored shading on this copy indicates proposed locations of plant habitats/communities as determined by Marlin Bowles.
Extent: 1 sheet
Endangered and Threatened Wildlife and Plants; Determination of Threatened Status for Eastern and Western Prairie Fringed Orchids (3.91091)
Date: 1989Creator: Bowles, Marlin L.
Type: Article