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Prince William's Oily Mess: A Tale of Recovery

Working with Real Data


Graphing Changes in Marine Life Abundance

Welcome to Working with Real Data! In this hands-on activity, students work with real data collected by scientists at NOAA’s National Ocean Service, who are studying the ecological recovery of Prince William Sound following the Exxon Valdez oil spill. From photos of sampling quadrats at Mearns Rock, an oiled shoreline boulder, students record the abundance of marine intertidal organisms, graph the data and interpret their results.

Click the graphic below and follow steps 1-4 to complete Graphing Changes in Marine Life Abundance interactively on the Web.

thumbnail of Working with data exercise

Another option is to Download the pdf file (pdf, 10.5Mb) to your computer's hard drive and complete the activity by navigating this file, which is similar to the Web version. The entire activity can also be printed from the pdf file and completed on paper (approximatly 44 printed pages).




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