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Using chlorophyll a fluorescence imaging to select desiccation-tolerant native moss species for water-sustainable green roofs
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Orientador(es)
Resumo(s)
Green roofs have been more thoroughly investigated in the last few years due to the
potential benefits they o er to ecosystems in urban areas (e.g., carbon sequestration, particle retention,
heat island e ect attenuation). However, current climate change models predict an increase in
desertification, with an increase in temperature and decrease in rainfall, which means there is an
increasing demand for green roofs with lower water consumption. Vegetation with very little
water requirements, such as desiccation-tolerant mosses, has shown a potential to complement
or substitute for vascular species, increasing the sustainability of lower water use in green roofs.
In this study, we use chlorophyll a fluorescence imaging to screen for bryophytes with adequate
physiology to be used in green roofs placed in at-risk areas with prolonged drought episodes.
Apart from Hypnum cupressiforme, all selected species presented a high potential for use in those
conditions, particularly Didymodon fallax, Grimmia lisae, Pleurochaete squarrosa, and Targionia hypophylla.
Chlorophyll a fluorescence imaging technology proved to be a simple and non-invasive tool for a
fast screening of these poikilohydric organisms, to be used in future studies of bryophyte biology,
but more importantly in the green roof industry
Descrição
Palavras-chave
green roofs mosses chlorophyll a fluorescence water use sustainability Mediterranean biological soil crusts
Contexto Educativo
Citação
Water 2020, 12, 1748
Editora
MDPI