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Capstone Projects

Does the presence of Malus spp. increase the fertility of the soil surface in pastures?

Mon, 05/01/2017 - 18:24
Abstract: Techniques to increase soil fertility in a pasture can benefit the system by combating soil degradation and increasing the health of vegetation. The use of apple trees (Malus spp.) may be particularly beneficial in achieving this due to reliable fruit yields, ease of management, and variety of suitable habitat. We hypothesized that soil directly under the canopy of apple trees would be higher in nutrients (C, Ca, K, Mg, N, & P) than soil in areas with no tree cover. Soil samples were taken from the top 15 cm of the soil surface under apple trees and in areas without trees at 14 sites in Massachusetts and New York. Samples were analyzed using spectrometry and color imagery to determine nutrient content. Potassium and magnesium concentrations were found to be significantly higher in under-canopy samples. Further research may expand these results and determine if the application of apple trees can be used to increase the health of pasture systems.
Access: Yes
Literary Rights: Off
Major: Environmental Sciences, Forestry
Year: 2017
File Attachments: capstone_gumbartpayson.pdf
Authors: Julia Payson, Ryan Gumbart

Affordable Sustainable Housing in the Urban Environment

Sat, 05/06/2017 - 21:26
Abstract: This paper addresses the lack of sustainable affordable housing in the urban environment. The focus of this study is the urban environment due to an increased rate of migration from rural areas to urban areas. This increase has led to a growing need for cities to become more sustainable in order to support the increasing population density. Focusing on the residential sector, cities have made great strides towards providing green-supportive and sustainable housing for their residents. However, the accessibility to sustainable housing in the urban environment for low-income residents is limited. The primary research questions this study addresses are what are the barriers to sustainable affordable housing in the urban environment, and how can we overcome these barriers? Through using secondary sources, the findings for this study were that the greatest barriers to developing sustainable low-income housing is the need for costly retrofits, and a lack of government subsidies. Addressing the second research question, the solutions to overcoming these barriers include: technological innovation, public-private partnerships, encouraging grass-roots groups, mixed-use development, and micro-apartments.
Access: Yes
Literary Rights: Off
Major: Natural Resources Conservation and Management
Year: 2017
Authors: Erinn Pollock