Browsing by people, organizations and landmarks: collection:
The 1997 Stewardship Forum: Restoration of Disturbed Natural Areas: Program Announcement (3.106900)
Date: 1997Type: Document
Description:An announcement of a series of presentations held at The Morton Arboretum on the theme of restoring disturbed natural areas.
Extent: 1 sheet, two-sided
PROPOSAL FOR ASSESSMENT OF AND ESTABLISHMENT OF MONITORING PROGRAMS FOR ENDANGERED AND THREATENED SPECIES WITHIN THE LAKE COUNTY FOREST PRESERVE DISTRICT (draft) (3.114666)
Date: 1988Creator: Bowles, Marlin L.
Type: Document
Description:Morton Arboretum's response to a request for proposal by the Lake County Forest Preserve District to assess the status of endangered species within properties of Lake County Forest Preserve District to include: maps, descriptions and location of species populations; make recommendations for management of those populations; develop a monitoring program to assess the status of the populations over time.
Extent: 11 pages
SAVANNA VEGETATION COMPOSITION, STRUCTURE, AND CHRONOLOGICAL CHANGE AT WOLF ROAD PRAIRIE (3.114667)
Date: 1995Creator: Bowles, Marlin L., McBride, Jenny
Type: Article
Description:This paper presents results of a vegetation survey of Wolf Road Prairie conducted in 1995 by Martin Bowles and Jenny McBride of The Morton Arboretum and includes recommendations for future management of the site.
Extent: 20 pages
SAVANNA RECOVERY MONITORING AT WOLF ROAD PRAIRIE: EFFECTS OF CUTTING ON OAK SPROUTING AND GRUB LAYER RESTORATION (3.114668)
Creator: Bowles, Marlin L.
Type: Article
Description:Proposal for monitoring savanna recovery after a restoration project to the grub layer at Wolf Road Prairie.in Cook County. IL
Extent: 6 pages
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
BASELINE POPULATION AND COMMUNITY STATUS FOR RARE PLANT TAXA AT LOOKOUT POINT AND WABASH BREAKS DRY GRAVEL PRAIRIES TIPPECANOE CO., INDIANA (3.114670)
Date: February 1976Creator: Bowles, Marlin L.
Type: Document
Description:This paper is the result of a study to establish an ecological monitoring program that would provide a basis for detecting long-term changes in the population status of endangered and threatened plant taxa, and changes in associated communities. at Lookout Point and Wabash Breaks dry gravel prairies in Tippecanoe County, IN
Extent: 31 pages
LONG-TERM GRAZING EFFECTS ON AN ILLINOIS SAND PRAIRIE AND COMPARISONS WITH UNGRAZED NATURAL AREAS (3.114671)
Date: 1992Creator: Bowles, Marlin L.
Type: Article
Description:This two-year study compares the effects of three treatments: open grazing, reduced grazing (in ten partly open exclosures), and former grazing (on a 40 acre area) on vegetation structure (height and cover per 1/4meter2) of dry-mesic sand prairie, the dominant vegetation type at the Savanna Army Depot, IL.
Extent: 7 pages
The Morton Arboretum's Gravel and Dolomite Prairie Restoration Development Plan (3.114672)
Date: March 1992Creator: Bowles, Marlin L.
Type: Document
Description:This paper covers The Morton Arboretum's plan to restore a gravel and dolomite prairie on the Arboretum's grounds, It covers the natural communities, the endangered and threatened plants included in the restoration, and the steps necessary to establish and maintain the restoration.
Extent: 58 pages
Undated: Jeff Mengler to George Ware et al. (3.37832)
Creator: Mengler, Jeff
Type: Document
Description:Arboretum memo from Jeff Mengler to George Ware, Marlin Bowles, Kris Bachtell, Joe Larkin, Marion Hall, and Floyd Swink about the delivery of a report concerning findings from a seed bank study that was part of the Des Plaines River Wetland Demonstration project.
Extent: 1 sheet
Research Department Computer Software and Hardware Sharing Requirements (3.39927)
Date: October 10 1990Type: Document
Description:A series of 12 documents outlining existing computer equipment and an explanation of information needs, desired software, hardware, and applications within the Arboretum's Research Department for Marlin Bowles, Webb Crowley, Tom Green, Richard Hootman, Patrick Kelsey, Elizabeth Shimp, Mike Spravka, Gary Watson, Fay Wheatman, Chris Whelan, Gerould Wilhelm, and Linda Wetstein.
Extent: 12 sheets
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
1993/02/16: Dennis Nyberg to Marlin Bowles et al. (3.57447)
Date: February 16 1993Creator: Nyberg, Dennis
Type: Document
Description:A set of two documents. The first is a memo from Dennis Nyberg to Marlin Bowles and several others seeking their feedback on his intended response to an article published in Restoration and Management Notes titled, "Carving Up the Woods". The second document is his intended response, titled, "Nature Vs. Nurture.
Extent: 6 sheets
1985-1988: Marlin Bowles to Dr. Hall and George Ware (3.57448)
Date: 1985 – 1988Creator: Bowles, Marlin L.
Type: Document
Description:A series of 7 letters shared with Dr. Hall and George Ware from Marlin Bowles between various employees of The Morton Arboretum and The Center for Plant Conservation in Jamaica Plain, MA, regarding cooperative projects and research programs.
Extent: 11 sheets
1992 Annual Report, Research Group (3.81725)
Date: 1992Type: Document
Description:Annual report for the Research Group of the Morton Arboretum which contains a mission statement, group structure, chronology of events, interactions, priorities, and strengths and weaknesses.
Extent: 8 sheets
Illinois Natural History Survey: Results of an Investigation on Endangered Plants Without Known Extant Populations, and Recommendations for Changes in Their Listing Status (3.83112)
Date: March 11 1988Creator: Bowles, Marlin L., Robertson, Kenneth R., Burton, Philip J., Ketzner, David M., Solecki, Mary Kay, Taft, John B., Ulaszek, Eric F.
Type: Document
Description:Investigation on endangered plants in the state of Illinois with recommendations for changes in their listing status.
Extent: 22 Sheets