Cecilio Frois Caldeira is a Researcher in Plant Physiology at the Vale Technological Institute (ITV), Belém, Brazil. He completed his Ph.D. in Plant Physiology at the INRA Centre de Montpellier (2009–2013). His research interests are ecophysiology, abiotic stress, plant physiology, hydraulics, drought, photosynthesis, physiology, plants, plant environmental stress physiology, and environmental stresses.