Web Soil Survey USDA. Natural Resources Conservation Service http://websoilsurvey.nrcs.usda.gov/app/
Description: It has maps showing the location of each soil type in the landscape; soil descriptions; use, management and productivity of soils for different agricultural crops, tree species, road construction, etc.; genesis and morphology of soils.
Aerial Imagery Archive Michigan Department of Department of Natural Resources and Environment http://www.michigan.gov/dnr/0,1607,7-153-10371_14546---,00.html
Description: This site provides free access to aerial imagery of Michigan that you can view or download to your computer. To view images, you need a special viewer (similar to how you need Adobe Reader to view publications in PDF formats). All images downloaded from this site are in MrSID format, so they are smaller files and load faster.
Airphotos Online Minnesota Department of Natural Resources http://www.dnr.state.mn.us/airphotos/index.html
Description: This Internet service provides direct access to the most recent color infrared aerial photographs taken by Minnesota DNR for forest management. Locate photos of interest by navigating through the photo database. Then you can view, download and order digital and hardcopy airphoto products. Low and medium resolution views can be viewed and downloaded without charge. High-resolution views can be purchased online by credit card and saved in your personal online album.
Forestry’s Aerial Photography Program Wisconsin Department of Natural Resources http://dnr.wi.gov/forestry/airphoto/
Description: It provides instructions on how to view digital orthophotos of Wisconsin forest land on the DNR website and how to order photos from a vendor.
Wisconsin DNRWebview http://dnrmaps.wisconsin.gov/imf/imf.jsp?site=webview
Description: This is an interactive online map viewer. Using your Web browser, you can access and display aerial photographs and a subset of Geographic Information System (GIS) data.
Sampling and Measuring Timber in the Private Woodland (NR-FO-3025) 1986. Blinn, C. R. and T. E. Burk. University of Minnesota Extension, St. Paul, MN 55108. 8 pp. http://www.extension.umn.edu/distribution/naturalresources/DD3025.html
Description: It explains how to set up sample plots, estimate tree diameter, merchantable tree height, tree defects, tree volumes, and total woodlot volume.
Site Index Curves for Forest Tree Species in the Eastern United States (General Technical Report NC-128)
1989. Carmean, W. H., J. T. Hahn, and R. D. Jacobs. USDA Forest Service, North Central Forest Experiment Station, St. Paul, MN 55108. 142 pp.
Description: A total of 127 site curves are presented including formulation for computing both total height and site index.
What Is a Board Foot? (Forestry Facts No. 42) 1989. Martin, A. J. Department of Forest Ecology and Management, University of Wisconsin, Madison, WI. 2 p. http://fwe.wisc.edu/extension/Publications/42.PDF
Description: It defines board foot and describes the use of this measure, some of the problems in calculating it, and how to estimate log volume in board feet using log length and log diameter inside the bark at the small end of the log.
What Is Basal Area? (Forestry Facts No. 43) 1989. Martin, A. J. Department of Forest Ecology and Management, University of Wisconsin, Madison, WI. 2 p. http://fwe.wisc.edu/extension/Publications/43.PDF
Description: This paper uses diagrams and tables to explain the concept of basal area, how it is used and how to measure and calculate it.
What Is a Cord? (Forestry Facts No. 44) 1989. Martin, A. J. Department of Forest Ecology and Management, University of Wisconsin, Madison, WI.2 p. http://fwe.wisc.edu/extension/Publications/44.PDF
Description: This fact sheet enables the reader to understand how much wood is in a cord, and to estimate how many cords are in a stack of wood from measurements of stack height, width and length.
Native Plant Community Classification Minnesota Department of Natural Resources http://www.dnr.state.mn.us/npc/classification.html
Description: The DNR's native plant community classification is based strongly on plant species composition and was developed through analysis of extensive field data collected from sample plots in forests, prairies, wetlands, and other habitats. The classification is hierarchical, with vegetation units described at levels ranging from broad landscape-scale ecological systems to local communities.
Regional landscape ecosystems of Michigan, Minnesota, and Wisconsin: a working map and classification.
Albert, Dennis A. 1995. Gen. Tech. Rep. NC-178. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. Jamestown, ND: Northern Prairie Wildlife Research Center Online.
http://www.npwrc.usgs.gov/resource/habitat/rlandscp/index.htm (Version 03JUN1998).
Description: It provides an interactive map for each of the three states. Then you can click on a region of the map to bring up a detailed ecological description, including ecological issues of concern.
Ecological Landscapes of Wisconsin
Description: It provides an ecosystem map of Wisconsin. You can click on an ecosystem of interest to bring up information including topography and soils, vegetation, hydrologic features, land use, socioeconomics, species of greatest conservation need, management opportunities, and various maps.
Making and Using Measurement Tools - Basal Area (Forest Management Practices Fact Sheet Managing Water Series # 12 FS-06981) 1998. University of Minnesota Extension. St. Paul, MN. http://www.extension.umn.edu/distribution/naturalresources/DD6981.html
Description: It describes how to measure basal area of a land area by holding an object such as a washer, penny, or thumb a fixed distance from your eye. Use the following formula to calculate the distance to hold the object from your eye: Distance from eye = width of object x 33.