Estimating Percentages - Worksheet 4

Example Quadrat Analysis

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Plant Key Code: %: Yellow Coneflower _____% Indian Grass _____% Compass Plant _____% Big Bluestem Grass _____% Rosinweed _____% Bare Ground _____%

The square is an example of a prairie quadrat. The scientists roughly drew in the location of the plants in the square (quadrat). Fill in the table with an estimate of the percentages (%) for each plant. (Remember that the "Key" identifies the plants.)

1. Which plant is there the most of? _______________

2. Which plant is there the least of? _______________

3. Which plants are in nearly equal amounts? _______________________________

4. Which plant takes the largest single area? _________________

5. Find an easy and accurate way to measure the percentage of space each plant takes up in the quadrat?