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2 Journal of Ecological Engineering

2 2022

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Study of Drought Effects on Three Medicinal and Aromatic Plants Using Field Spectroscopy

El Azizi Sarah, Amharref Mina, Bernoussi Abdes-Samed

Journal of Ecological Engineering

2022

Vol. 23, nr 12

155--162

Water deficit is one of the major environmental issues affecting biodiversity. Drought-related works are conducted to explore the mechanisms involved in drought vulnerability or resistance and to adopt the most advantageous tool to monitor these changes. Field spectroscopy, an accessory tool of remote sensing, evaluates the reflectance to collect continuous spectrum from materials. In the conducted study, the potential of using UV-Near infrared (NIR) spectroscopy as a non-destructive and reliable approach in monitoring of drought effects on three Medicinal and Aromatic Plants species (MAPs): Lavandula stoechas, Cistus laurifolius and Pistacia lentiscus from Northern Morocco during dry (July 2021) and wet (March 2022) period was addressed. It was found that Lavandula stoechas species is more impacted by water deficit than Cistus laurifolius and Pistacia lentiscus. Indeed, this species has a lower reflectance in Visible and NIR regions of the spectrum after a period of drought and therefore a higher vulnerability to water deficit than the other two species.

Eco-District, an Ideal Framework to Initiate Large-Scale Urban Energy Renovation in Morocco

Echlouchi Khalid, Ouardouz Mustapha, Bernoussi Abdes-Samed

Journal of Ecological Engineering

2022

Vol. 23, nr 9

100--114

In the perspective of the large-scale application of the Moroccan Thermal Construction Regulations (RTCM) to existing buildings, eco-districts represent an ideal framework to initiate, test, and evaluate such an action. This study aims to present a methodological framework to improve the decision-making process for the energy upgrade of a future eco-district transformation. The case study of a neighborhood in northern Morocco shows that thermal insulation of buildings allows a significant reduction of energy needs that can reach an average annual gain of 52.72% compared to the existing situation. While installing PV systems on 50% of the roof surfaces allows a more critical improvement of the obtained gain: the average annual income in the case of monocrystalline PV can reach 108.14% and 94.87% for polycrystalline PV at the scale of the district.