Temperature and Betula disribution on the Holy range Massachusetts
Temperature and Betula distribution on the Holyoke Range, Massachusetts In this study, it will be tested whether temperature affects tree densities in the genus Betula on different slopes of the Holyoke Range, specifically the north and south faces of the mountain range. My prediction is that the north face of the mountain will have a higher density of these trees than the south face of the range because of the temperature differences of the north slope being warmer than south slope for the range of growth for these trees. This experiment can be used to predict patterns of vegetation in other similar latitudes and slopes around the world. On September 20, 2000, the birch tree genus, Betula, density was measured on the north face of the Holyoke Range and on September 27, 2000, Betula's density was also measured, but on the south face of the Holyoke Range. There were eight sites laid across a 150m transect line running across the slope starting from a subjectively chosen point. Based on the data collected on the Holyoke Range, the birch trees densities were
For Betula populifolia, again the mean basal area (cm2 m-2) was larger on the north face of the range, but the tests of the data found them not significant (t = 1. In this experiment, disturbance had little effect on composition of the forest, but does lead to a possible explanation for the densities differences of Betula. Mean adult densities (ind ha-1) and standard error in parerthses. There were eight sites laid across a 150m transect line running across the slope starting from a subjectively chosen point. Forest response to catastrophic wind: results from an experimental hurricane, Ecology 4. For mean density (ind ha-1) of Betula lenta, the data was significantly higher on the north versus the south face of the mountain range (t = 10. Another possible reason for Betula densities to change is herbivory. In fact, temperature is not the only factor that can determine the growth of Betula, or other species of trees. For Betula lutea, mean basal area (cm2 m-2) was higher on the north-facing slope (Fig 1), but was not significant (t = 1. The replicates were formed by taking eight random sites above the transect line, and eight below; then counting each as a single replicate giving a sample size of 16. In mid-latitudes in the Northern Hemisphere, northern-facing slopes are cooler than south-facing slopes because they receive less direct solar radiation. The paper birch, Betula papyrifera, is found at lower elevations and often on north and east-facing slopes. Although these species of Betula are usually found mainly on north facing slopes, there was not enough significant data to support this, suggesting a different reason for the densities of Betula on the Holyoke range.
Common topics in this essay:
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Betula Betula,
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Northern Hemisphere,
Adults North,
Results Mean,
Frequency Betula,
Harvard Forest,
Carlton Lezberg,
Legend Fig,
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betula lenta,
basal cm2 m-2,
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cm2 m-2,
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birch tree,
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mean basal,
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south mountain,
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