In the Mediterranean basin, cork oak (Quercus suber L.) woodlands are characteristic and widespread forestry ecosystems. Though presenting significant economic potential as a renewable resource, they are not adequately valorised, in spite of a growing market demand for cork and cork-based products, which are appreciated, today, for their use in sustainable building. In this respect, cork meets the needs of the building industry in responding to the growing demand for quality products, which are eco-and energy-friendly and hygienically safe. Moreover, European cultural and biodiversity value has been attributed to cork oak woodlands and their most significant examples have been included in the Natura 2000 framework. So far, in some countries like Italy, the territorial distribution and characterisation of cork oak woodlands have not been adequately investigated. This study provides a method for mapping the actual presence of cork oak woodlands and for assessing their potential distribution. Special attention was given to the characterisation of cork oak spectral signature. To this end, Landsat 8 satellite images, digital photointerpretation and in situ surveys were implemented. The work carried out allows assessing the effectiveness of GIS and remote sensing techniques coupled with ancillary data and tools, and their applicability for the development of a comprehensive mapping and monitoring system of cork oak woodlands in Mediterranean ecosystems. Such techniques are vital to develop a detailed management strategy and to assist restoration activities and the economic assessment of semi-natural habitats. A case study, carried out in two different locations in Calabria (Italy), is provided.
Abstract:The sustainability of agri-food products is an increasingly pressing need. It is fundamental to consider the various needs related to the factors of production and to workers, which are different from those of products and plants, as well as new requirements, such as environmental hygiene, protection from pests, and perishability control. To that purpose, this work proposes a method for in-use performance assessment (Post-Occupancy Evaluation) in food processing buildings. The method was applied to a traditional olive oil mill in Calabria. The building was thoroughly checked, and a questionnaire was given to the employees. An overall negative judgement value was recorded only for the oil storage area. The indoor thermal conditions of this area were monitored by a sensor network. The results obtained showed that the temperature in the oil storage area sometimes reached and exceeded 30 • C, while the optimal maximum temperature for the storage of extra-virgin olive oil should not go beyond 20 • C to preserve its organoleptic characteristics. To solve the problems detected, modelling and analyses were carried out with a dynamic thermal software program. A few minor building interventions were proposed and the indoor thermal values, obtained from the dynamic thermal simulation, showed a clear improvement in the building behavior in terms of protection from high temperatures, and lower energy consumption to diminish the environmental indoor temperature.
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