forestry lab - Eric Russo Lab 7: Forest Ecology Ben Webb:...

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Eric Russo Lab 7: Forest Ecology Ben Webb: Tuesdays 1-4 The Orchard Hill forest has never been clear cut, but it has been used for some selective cutting by the forestry department. To start this week’s lab we looked at the forest edge which was faced in the southwest direction. The sun has a major effect on this part of the forest, especially because of the 20% slope directed towards the sun. Walking up the slope there were a lot of invasive species, such as the Norway maple and burning bush, especially within the first 50 feet of the forest because of the direct sunlight. Along with that, there were more deciduous trees and plants on the southwest side of the forest, also due to the sunlight. Some of these deciduous trees consisted of sugar maple, black cherry and red maple, most of which were 40-60 feet tall. Walking further up the slope still facing the southwest, the slope had increased to about 50 percent. At about 17 feet into our second transect a concrete pathway was put in that was about 6 feet wide. The placement of the concrete roadway was in a good location because at this part of the forest the trees were lightly scattered, so it looked as if not too many trees were taken down. Walking further up the second transect there were still invasive species such as winged euonymus, but not as many because of the denser canopy cover and lack of sunlight. On the southwest side there were also many native species, such as New England aster, maple leaf viburnum, and sugar maple saplings, which persisted further away from the sun due to less invasive species. Although containing more deciduous trees still, such as black birch and sugar
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This note was uploaded on 11/10/2011 for the course ENVIRDES 547 taught by Professor Staff during the Fall '10 term at UMass (Amherst).

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forestry lab - Eric Russo Lab 7: Forest Ecology Ben Webb:...

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