阿克托贝区萨克色花复合体的物种多样性和结构

IF 1.6 Q3 PLANT SCIENCES Sabrao Journal of Breeding and Genetics Pub Date : 2023-10-31 DOI:10.54910/sabrao2023.55.5.4
S. AIPEISOVA, N UTARBAYEVA, E KAZKEEV, M. AGADIYEVA, A BERKALIYEVA, A BAUBEKOVA, B ALZHANOVA, G KAISAGALIYEVA
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引用次数: 0

摘要

研究阿克托贝区系是评价人为因素对草原区系影响,制定减少采矿、冶金和油气设施对植物群落生物多样性不利影响措施的重要任务。该研究及时评估了Aktobe植物区系的物种组成,并分析了sakicolous花复合体,这是植物区系学上最引人注目的复合体之一。该植物群包括39科119属219种。然而,该集团的10个主要科管理着萨氏复合体的75.0%的物种组成。前期的验证结果表明,花的杂性特征在石竹科、龙葵科和藜科中具有优势科,在蔷薇科和玄参科中作用更为显著。花青素复合物的特异性表明,Potentilla属和Centaurea属分别为第2和第3位,Orobanche属、Lappula属、Atraphaxis属和Allium属为主要属;然而,它们在其他花卉复合体中是未注册的。地理生境类型分析表明,黑海/哈萨克斯坦、伏尔加河/哈萨克斯坦和古地中海东部生境类型以萨克色植物群为主。12种特有物种也得到了认可,占特有植物群的60%。在对物种生境、生态生物学特征和文献资料进行分析的基础上,确定了两类杂植物(新近系和第四纪)及其年龄和特有植物。资料还显示更新世-全新世植物区系主要原生核的形成。
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SPECIES DIVERSITY AND STRUCTURE OF THE SAXICOLOUS FLORAL COMPLEX IN THE AKTOBE FLORISTIC DISTRICT
The study of the Aktobe floristic district is a relevant task for assessing anthropogenic factors’ impacts on the flora of the steppe zone and developing measures to reduce the adverse effects of mining, metallurgical, and oil and gas facilities on the biodiversity of plant communities. The timely study evaluated the species composition and analyzed the saxicolous floral complex of the Aktobe floristic district, one of the most fascinating complexes based on florogenetics. The saxicolous complex flora comprised 219 species belonging to 119 genera and 39 families. However, the 10 leading families of the conglomerate manage 75.0% of the species composition of the saxicolous complex. Previous validations revealed that the saxicolous floral complex features have dominant families of Caryophyllaceae, Boraginaceae, and Chenopodiaceae and a more significant role for the Rosaceae and Scrophulariaceae. The saxicolous complex specificity has demonstrated the genera Potentilla and Centaurea as 2nd and 3rd position holders, respectively, and the presence of the genera Orobanche, Lappula, Atraphaxis, and Allium as the leading genera; however, they are unregistered among the other floral complexes. The analysis of geographical habitat types has shown that the Black Sea/Kazakhstan, Volga/Kazakhstan, and Eastern ancient Mediterranean habitat types are predominantly characteristic of the saxicolous floral complex. Twelve endemic species have also received recognition, assembling 60% of the endemic flora. Based on the analysis of species habitat, its ecological and biological features, and paleobotanical material available in literature sources, researchers have identified two groups of miscellaneous plants (Neogene and Quaternary) with their ages and endemic plants. Data also indicated the formation of the chief autochthonous core of the flora in the Pleiocene-Holocene.
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来源期刊
Sabrao Journal of Breeding and Genetics
Sabrao Journal of Breeding and Genetics 农林科学-奶制品与动物科学
CiteScore
1.90
自引率
50.00%
发文量
63
期刊介绍: The SABRAO Journal of Breeding and Genetics is an international journal of plant breeding and genetics research and was first published in 1969. It is the official publication of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO). Its objectives are to: promote the international exchange of research information on plant breeding and genetics, by describing new research findings, or ideas of a basic or practical nature; and be a medium for the exchange of ideas and news regarding members of the Society. The Journal gives priority to articles that are of direct relevance to plant breeders and with emphasis on the Asian region. Invited for publication are research articles, short communications, methods, reviews, commentaries, and opinion articles. Scientific contributions are refereed and edited to international standards. The journal publishes articles for SABRAO members mainly. The Journal preferred strongly that at least one author should be a current member of the Society. Non-members may also publish in the journal.
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