Directions for Looking at Summary Data

Choose Current Studies or Studies for Previous Years

Current Studies - Choose School or Group to limit the data to a particular school or group.
Studies from Previous Years (starting in 1992) - Select a study and year
You can look at the:

importance value to see how important a particular plant is to the habitat. The larger the importance value the more important the plant is.
dominance to see which plants dominate the habitat. (The number reflects plant numbers and percentage of the habitat they cover.)
full data to see all the data collected and used to calculate the dominance and importance values.
After you get the data for a study,

Look at our bar charts of importance values and dominance. (Click Bar Charts)
Look at our visualization of dominance.(Click 10x10 Quadrat)
Copy data from our pages to spreadsheet applications and make your own charts. (Click Data for Spreadsheet). Use the tutorials on Copying Data to Spreadsheets and Using Bar Charts and 10x10 Quadrats in Your Documents if you need help.
Compare the diversity of prairie plants and invasives.
Now look how prairies change over the years.

Make and study graphs and see if they help you answer your research question.
Use the tutorial to learn how to use the information from the graphs in Excel in other documents.