Phenological study of thirty five tree and shrub species in Esfahan city

“Phenological study of thirty five tree and shrub species in Esfahan city” Journal of Sciences and Technology of Agriculture and Natural Resources, Isfahan, Iran July 2006

Global warming is one of the critical issues in the recent years. Phenology is the study of the cycling of biological events throughout the year. Color of the different plant parts change during time. We developed a quantitative method for documenting and analyzing the color changes.