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Management and Research Needs for Endangered and Threatened Plants, Sand Prairie Vegetation and Habitat-Restricted Animal Species at the Savanna Army Depot Carroll Co. and Jo Daviess Co., IL (3.104180)
Date: August 1995Creator: Bowles, Marlin L., Jones, Mike
Type: Article
Deep-Soil Savannas and Barrens of the Midwestern United States as part of "The Savanna, Barren, and Rock Outcrop Communities of North America". (3.108799)
Date: 1999Creator: Anderson, R. C., Bowles, Marlin L.
Type: Book
Description:The digitized document in this record is the chapter: Deep-soil savannas and barrens of the midwestern United States, which is a part of the book "The savanna, barren, and rock outcrop communities of North America".
"Presettlement Barrens in the Glaciated Prairie Region of Illinois" as part of the Proceedings of the North American Conference on Savannas and Barrens (3.113799)
Date: October 1994Creator: Bowles, Marlin L., McBride, Jenny
Type: Article
Description:A digitized chapter of the 1994 North American Conference on Savannas and Barrens Proceedings written by Marlin L. Bowles and Jeanette L. McBride.
Full proceedings from the conference can be found online here.
Temporal Changes in Vegetation Structure in a Fire-Managed Prairie Fen (3.113800)
Date: 1996Creator: Bowles, Marlin L., McBride, Jenny, Johnson, Ken
Type: Article
The Prairie-Wetland Vegetation Continuum in the Chicago Region of Northeastern Illinois. Pages 23-35 in: Proceedings of the 19th North American Prairie Conference (3.113801)
Date: 2006Creator: Jones, Mike, Bowles, Marlin L.
Type: Article
Restoration of Endangered Species: Conceptual Issues, Planning, and Implementation (3.113802)
Date: 1994Creator: Bowles, Marlin L.
Type: Book
Description:Papers from a Symposium on Recovery and Restoration of Endagered Plants and Animals organized for the Second Annual Conference of the Society for Ecological Resortation held in Chicago, Ill., 1990.
Natural Community Profile: Lake Shore Dune (3.113803)
Date: 1976Creator: Illinois Natural Areas Inventory
Type: Dataset
Description:A community profile containing data for lake shore dunes.
Telling a Tree's Age (3.113831)
Date: 2006Creator: Bowles, Marlin L., Jones, Mike
Type: Article
Description:An article from the Spring 2006 issue of Chicago Wilderness Magazine titled "Telling a Tree's Age".
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
Status and structure of a Pitcher's thistle (Cirsium pitcheri) population reintroducted to Illinois Beach Nature Preserve as part of "Restoring Diversity: Ecological Restoration and Endangered Plants" (3.114775)
Date: 1996Type: Book
Description:The digitized document in this record is the chapter: Status and structure of a Pitcher's thistle (Cirsium pitcheri) population reintroducted to Illinois Beach Nature Preserve, which is a part of the book "Restoring Diversity: Ecological Restoration and Endangered Plants".
Landscape Pattern and Structure of Oak Savanna, Woodland, and Barrens in Northeastern Illinois at the Time of European Settlement as part of "Proceedings of the North American Conference on Savannas and Barrens" (3.114776)
Date: 1994Type: Book
Description:The digitized document in this record is the chapter: Landscape Pattern and Structure of Oak Savanna, Woodland, and Barrens in Northeastern Illinois at the Time of European Settlement, which is a part of the full document "Proceedings of the North American Conference on Savannas and Barrens".
Restoration Status of the Federal Threatened Mead's Milkweed (Asclepias meadii) in Illinois and Indiana as part of "Proceedings of the Northern Illinois Prairie Workshop" (3.114777)
Date: 2001Type: Book
Description:The digitized document in this record is the chapter: Restoration Status of the Federal Threatened Mead's Milkweed (Asclepias meadii) in Illinois and Indiana, which is a part of the full document "Proceedings of the Northern Illinois Prairie Workshop".
Clonal population structure of the federal threatened Mead’s milkweed, as determined by RAPD analysis, and its conservation implications as part of "Seeds for the Future Roots of the Past: Proceedings of the Seventh North American Prairie Conference" (3.31532)
Date: 2002Creator: Bowles, Marlin L.
Type: Article
Description:A digitized chapter of Clonal population structure of the federal threatened Mead’s milkweed, as determined by RAPD analysis, and its conservation implications as part of "Seeds for the Future Roots of the Past: Proceedings of the Seventh North American Prairie Conference"
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
Flatwoods Tree Cores (3.44161)
Date: 1997 – 1998Creator: Bowles, Marlin L.
Type: Dataset
Description:The dataset includes tree ring measurements from approximately 256 trees in the Chicago region.
Chronological Change in Old-Growth Forests of the Chicago Region (3.44163)
Date: 1997 – 1998Creator: Bowles, Marlin L.
Type: Dataset
Description:Approximately 600 tree cores were collected from 24 forest stands and 4 savanna stands in the area around Chicago, Ill. Tree rings were measured using a stereo microscope on a VELMEX unislide stage, ACU-RITE linear encoder and Quick-check digital readout before being digitally processed using MeasureJ2X software. Protocols can be found in Bowles and Jones, 2008 (see below).
LaRue Pine Hills Tree Cores (3.44170)
Creator: Bowles, Marlin L.
Type: Dataset
Description:The dataset includes tree cores from approximately 150 trees in southern Illinois.
Research staff group shot in Research Building - (Seated L to R): Bill Hess, Marlin Bowles (Standing L to R): Fay Wheatman, Chris Whelan, Gary Watson, Kim Allen (3.4498)
Type: Photographic image
Description:Research staff group shot in Research Building - (Seated L to R): Bill Hess, Marlin Bowles (Standing L to R): Fay Wheatman, Chris Whelan, Gary Watson, Kim Allen
Extent: 1 photograph
Plant Reintroduction in a Changing Climate: Promises and Perils (3.47565)
Date: 2012Creator: Bell, Timothy J., Bowles, Marlin L.
Type: Book
Fire chronology and windstorm effects on persistence of a disjunct oak-shortleaf pine community. (3.54044)
Date: 2006Creator: Jones, Mike, Bowles, Marlin L.
Type: Article
Report to Wolf Road Prairie Nature Preserve (3.54070)
Date: 2013Creator: Bowles, Marlin L.
Type: Article
Grassland-Forest Transition in the Prairie Peninsula Region of Northwest Indiana as Recorded by the US Public Land Survey (1829-1835) as part of a Report to the Indiana Department of Natural Resources, Lake Michigan Coastal Program (3.54103)
Date: 2015Creator: Bowles, Marlin L., Halsey, Sam, McBride, Jenny
Type: Article
Long-Term Changes in Chicago Region Prairie Vegetation in Relation to Fire Management (3.55248)
Date: 2004Creator: Bowles, Marlin L., Jones, Mike
Type: Article
Protocorm Mycobionts of the Federally Threatened Eastern Prairie Fringed Orchid, Platanthera leucophaea (Nutt.) Lindley, and a Technique to Prompt Leaf Elongation in Seedlings (3.55251)
Date: 2005Creator: Zettler, Lawrence W., Bowles, Marlin L., Bell, Timothy J.
Type: Article
Relationships Among Environmental Factors, Vegetation Zones, and Species Richness in a North American Calcareous Prairie Fen (3.55252)
Date: 2005Creator: Bowles, Marlin L., Kelsey, Pat, McBride, Jenny
Type: Article
Relationships Between Soil Characteristics, Distribution and Restoration Potential of the Federal Threatened Eastern Prairie Fringed Orchid, Platanthera leucophaea (Nutt.) Lindl. (3.55253)
Date: 2005Creator: Bowles, Marlin L., Zettler, Lawrence W., Bell, Timothy J., Kelsey, Pat
Type: Article
Temporal instability in Chicago's Upland Old Growth Forests (3.55254)
Date: 2005Creator: Bowles, Marlin L., Jones, Mike, McBride, Jenny, Bell, Timothy J., Dunn, Christopher P., Burke, Christopher B.
Type: Article
Testing the Efficacy of Species Richness and Floristic Quality Assessment of Quality, Temporal Change, and Fire Effects in Tallgrass Prairie Natural Areas (3.55261)
Date: 2006Creator: Bowles, Marlin L., Jones, Mike
Type: Article