Shading effects in agrivoltaic systems can make the difference in boosting food security in climate change

被引:8
|
作者
Semeraro, Teodoro [1 ]
Scarano, Aurelia [2 ]
Curci, Lorenzo Maria [3 ]
Leggieri, Angelo [4 ]
Lenucci, Marcello [3 ]
Basset, Alberto [1 ,3 ,5 ]
Santino, Angelo [2 ]
Piro, Gabriella [3 ,5 ]
De Caroli, Monica [3 ,5 ]
机构
[1] Natl Res Council Italy CNR, Res Inst Terr Ecosyst IRET URT Lecce, Campus Ecotekne, I-73100 Lecce, Italy
[2] Inst Sci Food Prod, CNR Unit Lecce, I-73100 Lecce, Italy
[3] Univ Salento, Dept Biol & Environm Sci & Technol, Campus Ecotekne, I-73100 Lecce, Italy
[4] Via Firenze 24, I-74100 Taranto, Italy
[5] NBCF Natl Biodivers Future Ctr, I-90133 Palermo, Italy
关键词
Shade Avoidance Syndrome; Human Health; Food Quality; Food Production; Renewable Energy; Ecosystem Services; SOURCE-SINK DYNAMICS; SOLAR-ENERGY; GROWTH; POLLINATORS; ENVIRONMENT; LANDSCAPES; UNDERSTORY; NORMALITY; STRATEGY; BENEFITS;
D O I
10.1016/j.apenergy.2023.122565
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Photovoltaic (PV) systems play an important role in the sustainable energy transition, but their impact on food security is ambiguous due to the shift in land use from agriculture to energy production. Currently, agrivoltaic is emerging as an alternative sustainable energy source that optimises multifunctional land use by simultaneously supporting electricity generation and agricultural activities. While many studies have extolled the benefits of shade provided by agrivoltaic on crop water balance and evapotranspiration, plant ecological adaptation, such as Shade Avoidance Syndrome (SAS), and its implications for food security remain relatively unexplored. In this context, we have investigated the influence of a panel -generated shadow on chicory crop production in terms of plant biomass yield and its quality for human health under different water irrigation regimes. For each chicory plant, fresh weight and leaf dimensions were measured to estimate edible biomass, while leaf water content, chlorophylls a and b, carotenoids, metabolite profile and antioxidant capacity were evaluated to assess food quality. Our results show that the shading system has a remarkable capacity to increase edible chicory biomass production compared to full sunlight conditions of 69% and 23%, respectively for high water supply and low water supply, and greater capacity to promote pollination ecosystem services. The shade, provided by a welldesigned agrivoltaic system, improves SAS and directly increase yield without altering food quality. Thus, agrivoltaic systems can combine renewable energy strategies with food security, while enhancing ecosystem services for human well-being.
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页数:16
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