Study of Population Density on a Suburban Lawn - Explore Biology

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Name _____________________________ Regents Biology 5. Count the number <strong>of</strong> each plant species in each rectangle <strong>of</strong> your quadrat and record the population size in Table 1 on the following page. You can first use “tic” marks in the table and then write in a number as a final count for each rectangle when you are done. 6. Using the symbols shown alongside the plant diagrams (Figure 2), also plot the approximate location <strong>of</strong> the plants on your quadrat drawing below (Figure 1). 7. Total the number <strong>of</strong> each plant species in Table 1. These totals will be shared with the class, once we return to the classroom. 8. Copy the class data in Table 2. Total each column to get the class totals for the lawn. Now we want to calculate the average population density for the lawn. This will be expressed in plants/meter 2 . Figure 1. YOUR QUADRAT <strong>Population</strong> density <strong>of</strong> four weed species in a suburban lawn. string 2 <strong>of</strong> 6 Adapted by Kim B. Foglia • www.ExploreBiology.com • ©2008
Name _____________________________ Regents Biology Figure 2. Common New York State Lawn Weed Species Dandelion White Clover Buckhorn Plantain Broadleaf Plantain 3 <strong>of</strong> 6 Adapted by Kim B. Foglia • www.ExploreBiology.com • ©2008
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Study of Population Density on a Suburban Lawn - Explore Biology

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