Matematika fanini o`qitishning samaradorligini oshirishning bir usuli haqida

Аннотация

This article provides information about species belonging to the Astragalus L. family distributed in Jizzakh region. Key words: Molguzar ridge, endemic, Astragalus L, vital form, rare species. Jizzakh region is considered a significant administrative area located in the central part of the Republic of Uzbekistan, situated between the Syr Darya and Zarafshan rivers from a physical-geographical perspective. Its terrain is characterized by ruggedness, deserts, and arid landscapes. The region encompasses the southeastern part of the Kyzylkum Desert, the eastern portion of the Aydar-Arnasay river system, the eastern slopes of the Nurata Range, and the arid expanses leading to the foothills of the Molguzar and Turkestan mountain ranges. This region harbors numerous endemic species, rare species facing the risk of extinction, and a diverse array of plant species of global economic importance. The flora of the Jizzakh region comprises 105 families, 613 genera, and 1965 species of plants. Specifically, 51 species of plants are included in the Red Book of the Republic of Uzbekistan. Among the prominent genera in the flora of the Jizzakh region, the Astragalus L. genus holds the foremost position with 107 species (5.45%) in terms of the range of species. The Astragalus L. genus accounts for 61.4% of the plant species found in the Pomir-Oloy mountains. When compared to the local floras of other mountainous regions in Central Asia, this particular indicator demonstrates a significantly high level. Within the floral richness of the Molguzar mountain range, astragalus species constitute 70 types, accounting for 5.58%, while in the Surkhan state reserve, 30 species represent 4.03% [3]. Similarly, in the Nurata state reserve, 37 species make up 4.7% [6], and in the Zamin state reserve, 62 species represent 5.2% [2]. When analyzing the astragali found in the Jizzakh region according to their life form, it is possible to observe that out of 70 types are perennial, 20 types are annual, 9 types are shrubs, and 8 types consist of semishrubs species. 1-diagram. The floristic distribution of Astragalus L. species found in the Jizzakh region is classified according to their life forms 22