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Costa Rica Biodiversity Lab

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We measured the biodiversity of plants in different places in Costa Rica. We did this in Costa Rica because Costa Rica is a country that puts a lot of emphasis on preserving the environment. We took a string that was approximately 1.5 meters long, formed it into a circle, and counted the number of species of plants and how many of each species there were within our circle. We then used the Simpson’s Index of Diversity to calculate the diversity. We did this at four sites including Monteverde (Site 1), Conversa near the picnic tables (Site 2), Manuel Antonio (Site 3), and Conversa above the trail (Site 4). My hypothesis was that Monteverde would have the most plant biodiversity because it is a cloud forest with plenty of precipitation. It is also protected so it should not be that influenced by humans. The results show that Manuel Antonio has the most plant diversity from the four locations with a Simpson Index of Diversity of .92.This result however, is skewed due to the evenness of the plants in Costa Rica.
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Before we did our study we knew that Costa Rica is a tropical country where protecting the environment is taken very seriously. This means that the biodiversity has the potential to be very high. Biodiversity is the variety of living organisms. This is influenced by many different factors including temperature, precipitation, elevation, and human impact. We chose our four different locations because they varied a lot from one another in terms of these factors. Before I go into the differences let me state a few of the similarities these locations have. First, they are all located within Costa Rica. Second, all measurements were taken during the month of

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