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77 articles for “species diversity”
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Research ArticleOpen accessPhrase in the titleSpecies Diversity of Lichens in the Burabay State National Park, KazakhstanAizhan Baubekova, Zhanilxan Bukabayeva, Assemgul Sarsenova et al.Lichens constitute essential components of terrestrial ecosystems, and comprehensive documentation of lichen diversity is fundamental for conservation and ecosystem management. This study investigated the species composition and ecological distribution of lichens in Burabay State National Nature Park, northern Kazakhstan. Established in 2000, the park encompasses over 100,000 hectares representing a unique forest-steppe ecotone surrounded by extensive steppe landscapes, supporting approximately … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 16 Feb 2026 · 1,828 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffect of Altitude on Species Diversity and Vegetation Structure of Kigelia africana Parklands in CameroonAwé Djongmo Victor, Vroh Bi Tra Aimé, Noiha Noumi Valery et al.In the Faro Subdivision (North, Cameroon), there are populations of Kigelia africana, known by the common name “Dambale", whose variety is largely unknown. The study's goal is to demonstrate how altitude affects species diversity and vegetation structure in Kigelia africana parklands. To gather information for statistical analysis, a Randomized Complete Block Design (RCBD) was employed. A total of 90 quadrats … …American Journal of Agricultural and Biological Sciences, Vol. 20, Issue 1 · 20 Dec 2025 · 3,176 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEvaluating Plant Species Diversity and Physiographical Factors in Natural Broad Leaf ForestSeyed Armin HashemiProblem statement: Species diversity is one of the most important specifications of biological societies. Diversity of organisms, measurement of variety and examination of those hypotheses that are about reasons of diversity are such as affairs that have been desired by the ecologists for a long time. Approach: In this research, diversity of plant species in forest region, numbers of 60 … …American Journal of Environmental Sciences, Vol. 6, Issue 1 · 28 Feb 2010 · 7,609 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEndemics and Subendemics Species Diversity of Ketpen Ridge FloraGulbanu Aueskhanovna Sadyrova, Duman Kulakhmetovich Baizhygitov, Saule Melsovna Dzhamilova et al.The article considers endemic and subendemic species composition of Ketpen ridge flora. It has been educed that in the Ketpen ridge flora there are 46 endemic and subendemic species belonging to 28 genera and 17 families. Peculiarly, there are only 5 species belonging to 5 genera and 5 families: Endemic species of the Ketpen ridge: Fabaceae, Boraginaceae, Asteraceae, Zygophyllaceae and … …OnLine Journal of Biological Sciences, Vol. 17, Issue 4 · 19 Oct 2017 · 7,633 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGenetic Diversity of Common Wild Wheat Species in Armenia Using ISSR MarkersManvel Badalyan, Tatevik Aloyan, Varya Dilanyan et al.Armenia is one of the primary genealogical centers of numerous crops, the wild relatives of many of which are still found in Armenia today. Population limits of three out of 4 species of wild relatives of endemic wheat in Armenia (T. araraticum Jakubz, T. urartu Tumanian ex Gandilyan, T. boeoticum Boiss.) have been reduced in recent decades as a result … …OnLine Journal of Biological Sciences, Vol. 23, Issue 3 · 15 Aug 2023 · 5,217 accessesView PDFCite
Research ArticleOpen accessIn the keywordsChanges in the Composition and Diversity of Pasture Grass Due to the Influence of Grazing in the Steppe Zone of Northern KazakhstanAliya Baitelenova, Balzhan Akhylbekova, Meisam Zargar et al.Overgrazing poses a serious threat to the sustainability of steppe pasturelands in Northern Kazakhstan, where intensifying livestock pressure drives significant changes in vegetation composition, species diversity, and soil fertility. This study investigated the effects of grazing intensity on pasture vegetation and chestnut soil properties in the Zhaksyn district of the Akmola region. Field surveys were conducted in July-August 2024 using … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 31 Mar 2026 · 1,338 accessesView PDFCite
Research ArticleOpen accessIn the keywordsParasite Fauna and Infection of Sheep with ParasitosisAssylbek Abdrashitovich Zhanabayev, Birzhan Yeleubaevich Nurgaliev, Abzal Kenesovich Kereyev et al.The purpose of our research was to study the parasitic fauna and infection of sheep with parasites in the northern and southern regions of the Republic of Kazakhstan. For this, we conducted a study to determine the species diversity of sheep parasites. The study was set from 2010-2020 years on infected sheep in the northern and southern parts of the … …OnLine Journal of Biological Sciences, Vol. 22, Issue 4 · 6 Oct 2022 · 6,548 accessesView PDFCite
Research ArticleOpen accessIn the keywordsLANDSCAPE AND BIOLOGICAL DIVERSITY OF PROTECTED AREAS NETWORK IN PERM KRAIS. A. Buzmakov, P. Yu. SannikovThe problem of creating the systems of specially Protected natural Areas (PA) adequately representing the geographical diversity of different territories has been acute. Creation of the territory nature protection systems always requires comprehensive assessment of the representativeness of the existing PA network. In Perm region the only such research was carried out at the end of the last century. Since … …American Journal of Environmental Sciences, Vol. 10, Issue 5 · 12 Nov 2014 · 7,342 accessesView PDFCite
Research ArticleOpen accessIn the keywordsArthropods in Natural Communities in Mescal Agave (Agave durangensis Gentry) in an Arid ZoneMaría P. González-Castillo, Manuel Quintos Escalante, Gabriela Castaño-MenesesProblem statement: The arthropods have a very important role in the arid zones due to their interactions with many organism and because they constituted an important element in the structure of the plant community. Nevertheless their importance there are few knowledge about the community of arthropods associated to vegetation in arid zones in the North of Mexico. The present study … …American Journal of Applied Sciences, Vol. 8, Issue 10 · 20 Aug 2011 · 8,662 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Role of Pioneer Vegetations in Accelerating The Process of Natural SuccessionNormaniza Osman, Faisal Haji Ali, Syed Shahar BarakbahProblem Statement: Even though bioengineering technique has been regarded as one way to alleviate landslide and erosion problems, this process of revegetation is severely time consuming as the process of plant succession of the slopes may take decades or even hundreds of years. Approach: However, the process can be tremendously hastened by planting the right suitable pioneer species on the … …American Journal of Environmental Sciences, Vol. 5, Issue 1 · 28 Feb 2009 · 7,422 accessesView PDFCite