Wikipedia
Absard (, also Romanized as Ābsard and Āb Sard) is a city in the Central District of Damavand County, Tehran Province, Iran. At the 2006 census, its population was 9,865, in 2,438 families.
The minimum and maximum temperature was -24°C in January-February and 37°C in July-August. Average rainfall of a year was 333 mm and of first 3 months of year (development and flowering stage of plants) were 13 and 130 mm in 2008 and 2009, respectively.
In this research, samples were harvested at critical phenological stages of plant growth. Enzymatic activities in leaf and twig were evaluated during 2008 and 2009. The 3 phenological stages for leaf sampling included 50% flowering in spring, warmest time in summer and before rains in autumn. Twigs were taken at 4 stages, including above stages and in winter. Fresh leaves and twigs were sampled and the measurements were carried out.