Nova Biologica Reperta

Floristic study of Kasf forest (Khorasan Razavi Province)

Authors

Hassan Zare- Maivan
Javad Mohammadi 1
Hamid Ejtehadi- Bajestani 2
Karim Pasad 1

1 Tarbiat Modarres University

2 Ferdowsi University of Mashhad

https://doi.org/10.29252/nbr.1.1.34
Abstract
Kasf forest, with an area of over 12 ha, running in the east-west direction and located at a distance of 20 kilometers in the north of the city of Bardaskan in a mountainous arid region. The minimum and maximum temperature of the area ranges between -10° C and +45° C. The average annual precipitation of the region is 155 mm. The altitude of the forest is about 1600 m above sea level with a 15% slope. The vegetation of this forest was studied using floristic methods 2 years after a devastative fire and life forms and geographical distributions of plant species were determined. Sixty nine plant species belonged to 29 families (25 Dicots, 3 monocots and one gymnosperm). The largest families were the Lamiaceae with 11, Asteraceae with 9 and Caryophyllaceae with 5 species. The percentages of life forms were determined as follows: Therophytes with 36% (25 species), Hemicryptophytes with 29% (20 species), Chamaephytes with 16% (11 species), Phanerophytes with 13% (9 species) and Cryptophytes with 6% (4 species) of total investigated species. The high percentage of Hemicryptophytes indicated the dominance of cold mountainous climate and the presence of Asteraceae species such as harmala (Peganum harmala) showed that a severe disturbance had taken place in the region, which indicated a poor ecological administration in the studied region.

Keywords

flora
geographical distribution
life form
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  • Receive Date 08 June 2026
  • Publish Date 08 June 2026

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