Experimental biology

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ЭКОЛОГО-ФИТОЦЕНОТИЧЕСКАЯ ОЦЕНКА ПОПУЛЯЦИЙ ЭНДЕМИЧНОГО ВИДА TULIPA BRACHYSTEMON REGEL НА СЕВЕРНОМ МАКРОСКЛОНЕ ЖЕТЫСУСКОГО АЛАТАУ
(Al-Farabi Kazakh National University, 2026-09-20)
B. Sh. Kaliyev
;
Liliya A. Dimeyeva
;
Kapar Ussen
;
Ажар Иманалинова
;
Ж.Е. Сагидолдина
Tulipa brachystemon Regel is a narrowly distributed endemic whose occurrence within the Zhetysu Alatau mountains remains insufficiently studied, while information on its phytocoenotic affinity and habitat structure is still fragmentary. Therefore, the study of plant communities with the participation of T. brachystemon and the assessment of its role within the vegetation cover of the northern macroslope of the Zhetysu Alatau mountains are of considerable relevance. The aim of this study was to summarize available data on plant communities with the participation of Tulipa brachystemon on the northern macroslope of the Zhetysu Alatau mountains, to identify the floristic features of these communities and to assess the phytocoenotic affinity of the species. The scientific significance of the study lies in the synthesis of all available information on the composition and diversity of plant communities containing Tulipa brachystemon. The study was based on field investigations conducted between 2015 and 2022, herbarium collections, ...
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ASSESSMENT OF THE ECOLOGICAL STATE OF THE POPULATION OF THE SPECIES SCHMALHAUSENIA NIDULANS (REGEL) PETR. OF THE FLORA OF THE NORTHERN TIEN SHAN
(Al-Farabi Kazakh National University, 2026-06-20)
Gulbanu Aueskhanovna Sadyrova
;
Marzhankul Myrzakhmetovna Dauletbaeva
;
А. А. Шорманова
;
K.К. Khamitova
;
Gani Sadyrov
This article presents the results of a comprehensive assessment of the ecological status of populations of the rare endemic species Schmalhausenia nidulans native to the high-mountain regions of the Northern Tien Shan. The aim of the study was to investigate the current state of the species populations by analyzing their numbers, ontogenetic structure, morphometric parameters, and anatomical features. Two natural populations of the species were examined: the first population, located on the Uzynkara Ridge at an altitude of 3003 m above sea level, and the second population, growing on the Ile-Alatau Ridge at an altitude of 3260 m above sea level. During the field research, the population size, age structure, and morphological traits of individuals at the juvenile, immature, virginal, and generative stages of development were studied, and an anatomical analysis of the stem structure was also conducted.

Experimental biology

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