As aforementioned in the introduction section, plants are often exposed to various degrees of water stress, which triggers a cascade of several responses. In evolutionary terms, initiated with stomatal closure induced by hormone homeostasis. If water stress is prolonged, the plants tend to modify th...
Several covariates were incorporated in the GLM: (1) a natural cubic smooth function of calendar time with 4 degrees of freedom (df) per year to exclude unmeasured long-term and seasonal trends in daily mortality; (2) natural cubic smooth functions of air pollutants (PM10, SO2, and NO2)...