A Study of Factors Affecting Biological Diversity Based On The Auburn Forest and Nokomis Forest Auburn Nokomis Collin Li, Eric Tom, Benjamin Park, Cindy.

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Presentation transcript:

A Study of Factors Affecting Biological Diversity Based On The Auburn Forest and Nokomis Forest Auburn Nokomis Collin Li, Eric Tom, Benjamin Park, Cindy Li, Kevin Chan, Christina Bogdan AP Environmental Fall 2010 Mr. Citron

Introduction Trees influence soil type, water runoff and drainage, provide food and habitat to a multitude of animals, and they may also impose distinct microclimates. The presence or absence of certain trees may serve as a direct indicator of overall forest health. Tree species diversity, or tree biodiversity, varies with different environmental factors, which can then impact the overall health of the ecosystem Invasive species, precipitation, climate, and elevation all play a factor in biological diversity. Hence, the latitude and longitude play an important role in the biodiversity of a forest. The purpose of this project is to determine the health of Auburn Forest and compare the climate, precipitation, and elevation to that of the Nokomis Forest.

Methods Data was collected on an atypical site (Auburn Forest) and trees were counted in a plot (FIG) Different species were recorded using My World GIS for a single plot in the Auburn Forest(FIA) Different species were recorded using My World GIS for 20 plots in the Auburn Forest (FIA) Different species were recorded using My World GIS for a single plot in the Nokomis Forest (FIA)

LatitudeLongitudePlotSpeciesCount Auburn Land LabAmerican Beech Auburn Land LabBalsam Fir Auburn Land LabBlack Oak Auburn Land LabOther Oak Auburn Land LabPaper Birch Auburn Land LabRed Maple Auburn Land LabRed Oak Auburn Land LabSugar Maple Auburn Land LabWhite Ash Auburn Land Lab White Oak Auburn Land LabWhite Pine2 Data

Auburn Forest FIA

Nokomis Forest FIA

Elevation Precipitation Temperature Auburn receives more precipitation than Nokomis, providing more moisture for plants. Nokomis has a slightly higher 30 year average surface temperature than Auburn. Auburn has a higher elevation than Nokomis.

Conclusions The invasive species Red Oak greatly decreases biodiversity in the atypical Auburn forest. An abundance in a particular species suggests low biodiversity. If the Red Oak was able to dominate the atypical plot, the seeds may spread to other plots and cause the biodiversity of Auburn forest to decrease drastically. Biodiversity increases with a larger sample size. Precipitation is a dominant factor for biodiversity compared to temperature and elevation.

Works Cited Barnett, Chuck, Karen Waddell, Jim Menlove, and Carol Perry. "FIA DataMart: FIADB Version 4.0." FIA DataMart. USDA Forest Service, 15 Jan Web. 17 Jan Maloney, Pat. "Maine Forest Facts." Main Project Learning Tree. Web. 19 Jan State of Maine. "Facts & History: Wildlife & Plant Life." Maine.gov. InforME, Web. 20 Jan State of Maine. "Fig - Resources." Maine.gov. State of Maine. Web. 19 Jan "Tree Encyclopedia." North American Insects and Spiders / Tree Encyclopedia. Red Planet Inc. Web. 18 Jan Urban, Michael J., Ken Laustsen, Pat Maloney, Donald Sprangers, and Gerry Saunders. "Seeing the Forest for the Trees: What's in Your Woods?" Seeing the Forest for the Trees: What's In Your Woods? Earth Exploration Toolbook, 12 Oct Web. 19 Jan