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Journal articles on the topic 'Floristic Regions'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Packer, John G., and Armen Takhtajan. "Floristic Regions of the World." Bulletin of the Torrey Botanical Club 115, no. 3 (1988): 230. http://dx.doi.org/10.2307/2995961.

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2

Schmid, Rudolf, A. Takhtajan, T. J. Crovello, and A. Cronquist. "Floristic Regions of the World." Taxon 36, no. 3 (1987): 672. http://dx.doi.org/10.2307/1221885.

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3

THORNE, R. F. "Phytogeography: Floristic Regions of the World." Science 236, no. 4797 (1987): 100. http://dx.doi.org/10.1126/science.236.4797.100.

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4

Trisurat, Yongyut, Nantida Sutummawong, Patrick R. Roehrdanz, and Auschada Chitechote. "Climate Change Impacts on Species Composition and Floristic Regions in Thailand." Diversity 15, no. 10 (2023): 1087. http://dx.doi.org/10.3390/d15101087.

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Tropical forests are vulnerable to climate change including increased temperatures and changes to rainfall variation. Here, we use Thailand as a case study for assessing the impacts of the shared socio-economic pathway and climate scenarios on changes to the distribution and extent of floristic regions. To address this question, we assigned floristic regions based on a structured cluster analysis of modeled species ranges, and evaluated how those regions respond under scenarios of climate change. A total of 201 plant species with sufficient occurrence data obtained from the systematic forest i

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Ruokolainen, Kalle, Hanna Tuomisto, Manuel J. Macía, Mark A. Higgins, and Markku Yli-Halla. "Are floristic and edaphic patterns in Amazonian rain forests congruent for trees, pteridophytes and Melastomataceae?" Journal of Tropical Ecology 23, no. 1 (2007): 13–25. http://dx.doi.org/10.1017/s0266467406003889.

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Studies in western Amazonian forests have found that similarities in soil cation concentration and texture explain floristic similarities between sites, when these are measured using trees, pteridophytes or Melastomataceae. However, it is not known to what extent the three plant groups react to the same soil characteristics, because tree studies have almost always been conducted in different areas than studies on the understorey plant groups. We made inventories in 23 sites representing non-inundated rain forests on clayey to loamy soil in three regions of western Amazonia. Significant Mantel

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Villaseñor, José Luis, Patricia Dávila, and Fernando Chiang. "Fitogeografía del Valle de Tehuacán-Cuicatlán." Botanical Sciences, no. 50 (April 10, 2017): 135. http://dx.doi.org/10.17129/botsci.1381.

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The Tehuacán-Cuicatlán Valley Floristic Povince covers an area of approximately 10,000 km- , with ca. 630 genera and 1,400 species of vascular plants (Davila, 1983). Its climate is predominantly semiarid and its endemic flora is notably rich. The generic flora is analyzed from the viewpoint of its geographic and climatic affinities, as well as its floristic relationships with other geographical regions. The tropical affinities, particularly the neotropical ones, of this generic flora , prevail over all others: the characteristically Mexican element being second in importance. The floristic rel

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R.A., Murtazaliev. "Analysis of Dagestan Flora And Peculiarities Of Taxonomic Structure In Its Floristic Districts." Journal of Life Sciences and Biomedicine 71, no. 3 (2016): 24–29. https://doi.org/10.5281/zenodo.8156924.

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Comparative analysis of species composition of floristic regions of Dagestan is given in the article. It is noted that families' location succession in spectra shows the influence of one or another floristic center on flora formation in separate regions. It is shown that regions, situated in the same natural zone, are alike. According to the character of leading families location in spectra its own peculiarities for each region are determined.

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8

Honorio Coronado, E. N., T. R. Baker, O. L. Phillips, et al. "Multi-scale comparisons of tree composition in Amazonian terra firme forests." Biogeosciences 6, no. 11 (2009): 2719–31. http://dx.doi.org/10.5194/bg-6-2719-2009.

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Abstract. We explored the floristic composition of terra firme forests across Amazonia using 55 plots. Firstly, we examined the floristic patterns using both genus- and species-level data and found that the species-level analysis more clearly distinguishes among forests. Next, we compared the variation in plot floristic composition at regional- and continental-scales, and found that average among-pair floristic similarity and its decay with distance behave similarly at regional- and continental-scales. Nevertheless, geographical distance had different effects on floristic similarity within reg

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9

Ito, Yu, and Nobuyuki Tanaka. "Chromosome studies in the aquatic monocots of Myanmar: A brief review with additional records." Biodiversity Data Journal 2 (May 13, 2014): e1069. https://doi.org/10.3897/BDJ.2.e1069.

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Myanmar (Burma) constitutes a significant component of the Indo-Myanmar biodiversity hotspot, with elements of the Indian, the Indochina, and the Sino-Japanese floristic regions, yet thus far only a few reliable sources of the country's flora have been available. As a part of a contribution for the floristic inventory of Myanmar, since it is important in a floristic survey to obtain as much information as possible, in addition to previous two reports, here we present three more chromosome counts in the aquatic monocots of Myanmar: <i>Limnocharis flava</i> with 2n = 20, <i>Sagittaria trifolia</

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Yusufov, G. A., A. A. Teymurov, Z. I. Soltanmuradova, B. N. Saypulaeva, and K. V. Bortsov. "Floristic regions of the Samur-Chirakhchay interfluve and Dzhufudag (Southern Dagestan) according to analysis of petrophyte species composition." South of Russia: ecology, development 16, no. 2 (2021): 129–36. http://dx.doi.org/10.18470/1992-1098-2021-2-129-136.

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Aim. To undertake floristic zoning of the Samur-Chirakhchay interfluve and Dzhufudag for the analysis of the species composition of petrophylic complexes.Material and Methods. A list of obligate petrophytes was compiled based on the results of processing the authors' own field collections and taking into account information from floristic reports and determinations. The assessment of similarity of species composition of petrophytes in the regions was carried out using the Jaccard (Kj) and S0rensen-Czekanowski (Ksc) coefficients.Results. A subdivision of the mountain area studied into 7 florist

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11

Zverev, Andrei, Alexander Ebel, and Natalia Shchegoleva. "Hemeroby assessment of the flora of the north-western part of the Altai-Sayan province." BIO Web of Conferences 128 (2024): 00018. http://dx.doi.org/10.1051/bioconf/202412800018.

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Based on the regional flora studied by the authors (north-western part of the Altai-Sayan floristic province, subdivided into 13 operational botanical-geographical regions), an assessment of the degree of transformation of territories at the level of large units of the rank of botanical-geographical regions according to the structure of hemeroby tolerance of their floristic composition was made. This study revealed a rather close relationship between the distribution of species by ecological-coenotic groups and hemeroby classes. These indicators can be used for floristic zoning and assessing t

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Ibrahim, Hassan M., Hana A. Saleh, and AbdulNasser A. Al-Gifri. "The African Paleotropical floristic categories links to the Flora of highland plains in Yemen." University of Aden Journal of Natural and Applied Sciences 23, no. 1 (2019): 151–64. http://dx.doi.org/10.47372/uajnas.2019.n1.a12.

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About 222 plant species (two Ferns, one Gymnosperm, 219 Angiosperms: 169 Dicotyledons and 50 Monocotyledons) from the total 249 species were recorded from the Highland plains in Yemen, showing a distribution relationship with three African paleotropical floristic regions and 10 African paleotropical floristic elements. The distribution relationship among the African paleotropical floristic elements was subjected to numerical analysis: the African paleotropical floristic region with the highest number of species is Sudano-Zambezian, with 207 (83.1 %) species; while the African paleotropical flo

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13

D’Antraccoli, Marco, Lorenzo Peruzzi, Fabio Conti, Gabriele Galasso, Francesco Roma-Marzio, and Fabrizio Bartolucci. "Floristic Richness in a Mediterranean Hotspot: A Journey across Italy." Plants 13, no. 1 (2023): 12. http://dx.doi.org/10.3390/plants13010012.

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Species richness is a fundamental property of biodiversity patterns and is properly expressed by the species–area relationship (SAR), namely the increase in the number of species with the area. Here, we studied and explored the species–area relationship with respect to vascular plant species in Italy and compared vascular plant richness among Italian administrative regions. Concerning the entire vascular flora (native and alien), the best-performing formula is the Arrhenius’ Power function: S = c Az. The constants of this function are c = 241.2 and z = 0.281. The best-performing formula concer

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14

Barlow, BA. "A revised natural regions map for Australia." Brunonia 8, no. 2 (1985): 387. http://dx.doi.org/10.1071/bru9850387.

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A previously published proposal for delineation of botanical regions in Australia is emended in response to comments and suggestions received. Thirty-three natural regions are distinguished in a grid cell framework, and are grouped into six floristic zones.

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Loidi, Javier, and Denys Vynokurov. "The biogeographical kingdoms and regions of the world." Mediterranean Botany 45, no. 2 (2024): e92333. http://dx.doi.org/10.5209/mbot.92333.

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This paper presents an updated overview of the world’s biogeographical realms and regions in the terrestrial domain. It incorporates new data on floristic and vegetation aspects, along with recent regional information, which has emerged in the decades following the influential maps created by A. Takhtajan and R. Good. We elucidate the various biogeographic scales, ranging from kingdoms to districts, and outline the specific criteria that define them. We delve into the criteria used for characterizing the kingdoms and regions, with a particular focus on their floristic content, evolutionary bac

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Stinca, Adriano, Carmelo Maria Musarella, Leonardo Rosati, et al. "Italian Vascular Flora: New Findings, Updates and Exploration of Floristic Similarities between Regions." Diversity 13, no. 11 (2021): 600. http://dx.doi.org/10.3390/d13110600.

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The tradition of floristic studies in Italy has made it possible to obtain a good knowledge of plant diversity both on a national and regional scale. However, the lack of knowledge for some areas, advances in plant systematics and human activities related to globalization, highlight the need for further studies aimed at improving floristic knowledge. In this paper, based on fieldwork and herbaria and literature surveys, we update the knowledge on the Italian vascular flora and analyze the floristic similarities between the administrative regions. Four taxa, all exotic, were recorded for the fi

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Li, Zizhen, Qing Tian, Peifang Chong, Weibo Du, Jia Wei, and Rong Huang. "Phylogenetic Partitioning of Gansu Flora: Unveiling the Core Transitional Zone of Chinese Flora." Plants 12, no. 17 (2023): 3060. http://dx.doi.org/10.3390/plants12173060.

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Floristic regions, conventionally established using species distribution patterns, have often overlooked the phylogenetic relationships among taxa. However, how phylogenetic relationships influence the historical interconnections within and among biogeographic regions remains inadequately understood. In this research, we compiled distribution data for seed plants in Gansu, a region of significant biogeographic diversity located in northwestern China.We proposed a novel framework for floristic regions within Gansu, integrating distribution data and phylogenetic relationships of genera-level nat

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18

Sutkin, A. V., O. P. Vinkovskaya, and A. S. Krasnopevtseva. "Alien plants of the flora of Baikal Siberia - updating floristic data." Проблемы ботаники Южной Сибири и Монголии 22, no. 1 (2023): 360–63. http://dx.doi.org/10.14258/pbssm.2023069.

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Information about composition of the alien fraction of the flora of Baikal Siberia (BS) is given, which includes 465 species and subspecies of alien plants belonging to 282 genera and 70 families. At the same time, the same number of alien species were noted in the Irkutsk region (IO) as in the Republic of Buryatia (RB) and Zabaikalsky krai (ZK) combined. Alien plants are extremely unevenly distributed over the territory of the BS, in some areas (the north of the RB and ZK) information on the location of adventitious species is completely absent. In terms of the number of recorded adventitious

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19

Silva-Moraes, H. G., I. Cordeiro, and N. Figueiredo. "FLORA AND FLORISTIC AFFINITIES OF THE CERRADOS OF MARANHÃO STATE, BRAZIL." Edinburgh Journal of Botany 76, no. 1 (2018): 1–21. http://dx.doi.org/10.1017/s0960428618000215.

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Cerrado vegetation is the main formation covering c.60% of the land surface of Maranhão, Brazil, with cerradão being the dominant physiognomy. To characterise the cerrado flora in Maranhão, 12 localities were selected across its distribution in the northeastern, central, southern and southeastern regions of the state. A total of 150 angiosperm species were identified, distributed across 105 genera and 43 families. Twelve are new occurrences in Maranhão, and of these, four are also new records for Northeast Brazil. Two distinct floristic regions were recognised: the cerrados of the northeastern

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20

Stinca, Adriano, Giuseppina Chianese, Giuseppe D’Auria, et al. "Contribution to the floristic knowledge of eastern Irpinia and Vulture-Melfese area (Campania and Basilicata, southern Italy)." Italian Botanist 8 (September 20, 2019): 1–16. http://dx.doi.org/10.3897/italianbotanist.8.37818.

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In order to improve the floristic knowledge of the Italian territory, we report the inventory of the taxa collected during the annual field trip of the working group for Floristics, Systematics and Evolution of the Italian Botanical Society held in 2015 in eastern Irpinia and Vulture-Melfese area (South Italy). The investigated territories are located in southern Apennines, along the border between the Campania and Basilicata administrative regions. These areas are scarcely known in terms of vascular flora. The floristic samplings were performed in 19 sites selected as representative of the lo

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21

Stinca, Adriano, Giuseppina Chianese, Giuseppe D'Auria, et al. "Contribution to the floristic knowledge of eastern Irpinia and Vulture-Melfese area (Campania and Basilicata, southern Italy)." Italian Botanist 8 (September 20, 2019): 1–16. https://doi.org/10.3897/italianbotanist.8.37818.

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In order to improve the floristic knowledge of the Italian territory, we report the inventory of the taxa collected during the annual field trip of the working group for Floristics, Systematics and Evolution of the Italian Botanical Society held in 2015 in eastern Irpinia and Vulture-Melfese area (South Italy). The investigated territories are located in southern Apennines, along the border between the Campania and Basilicata administrative regions. These areas are scarcely known in terms of vascular flora. The floristic samplings were performed in 19 sites selected as representative of the lo

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22

Aalbu, Rolf, and Aaron Smith. "The Tenebrionidae of California: A Time Sensitive Snapshot Assessment." ZooKeys 415 (June 12, 2014): 9–22. https://doi.org/10.3897/zookeys.415.6523.

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Due to a diversity of habitats and its geologic history, the US state of California hosts a spectacular assemblage of darkling beetle species (Coleoptera: Tenebrionidae). In addition to being part of the California Floristic Province, one of 34 global biodiversity hotspots identified by Conservation International, California also has additional areas which are parts of the Great Basin, Mojave, and Sonoran deserts. California is divided into nine floristic regions. Each region is assessed in terms of faunal composition and endemism. A “snapshot” of our present knowledge of the Tenebrionidae ind

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23

Kamelin, Rudolf V. "Floristic division of Soviet Middle Asia." Turczaninowia 24, no. 4 (2021): 5–11. http://dx.doi.org/10.14258/turczaninowia.24.4.1.

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New floristic zoning of Central Asia is demonstrated briefly consuming the original map. Essential features of floras’ composition and similarity, their endemism level, peculiarities of floristic complexes and florocenotypes and furthermore the analysis of taxa included to the flora determine the zoning. Some particularities of large regions of Central Asia are described briefly.

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24

Lücking, Robert. "Takhtajan's floristic regions and foliicolous lichen biogeography: a compatibility analysis." Lichenologist 35, no. 1 (2003): 33–53. http://dx.doi.org/10.1006/lich.2002.0430.

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AbstractTakhtajan's floristic regions of the world, based on vascular plant distribution, were used for a comparative analysis of foliicolous lichen biogeography. Of the 35 regions distinguished by that author, 23 feature foliicolous lichens. The South-East African, Fijian, Polynesian and Hawaiian regions lack sufficient information and were excluded from further analysis. Using multi-dimensional scaling and cluster and cladistic analyses, the remaining 19 regions were grouped into six lichenogeographical regions: (1) Neotropics, (2) African Paleotropics (including Madagascar, Réunion and Seyc

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Doronkin, Vladimir, Natalia Vlasova, and Konstantin Baikov. "To cognition of the scientific contribution of Professor L.I. Malyshev to the floristic research of Siberia and other territories: a brief analytical review." BIO Web of Conferences 38 (2021): 00026. http://dx.doi.org/10.1051/bioconf/20213800026.

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Analytical review of scientific contribution of Professor Malyshev is performed and presented on the floristic research of Siberia and other territories (Ural Mountains, Mongolia, Russian Far East, etc.). It was shown, that there were several stages in these researches: from Eastern Sayan to Stanovoy Uplands, Putorana Plateau, and then Central (Baikalian Siberia and Dahuria) Siberia, Siberia in whole, and joined flora of Siberia and Russian Far East, usung different methodical approaches (method of concrete flora of A.I. Tolmachev adopted to mountain regions, and various techniques of multivar

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Makunina, Natalia, Mikhail Telyatnikov, and Evgeniy Zibzeev. "On plant communities of arid regions of Altai-Sayan mountains." BIO Web of Conferences 16 (2019): 00021. http://dx.doi.org/10.1051/bioconf/20191600021.

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8 basic types of plant communities of arid regions of Altai- Sayan mountains have been revealed, their floristic classification has been carried out. Short description of the basic types has been given, their altitudinal distribution has been characterized.

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27

Sekar, Chandra, Aseesh Pandey, Lalit Giri, et al. "Floristic diversity in Cold Desert regions of Uttarakhand Himalaya, India." Phytotaxa 537, no. 1 (2022): 1–62. https://doi.org/10.11646/phytotaxa.537.1.1.

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Sekar, Chandra, Pandey, Aseesh, Giri, Lalit, Joshi, Bhaskar Chandra, Bhatt, Deepika, Bhojak, Puja, Dey, Dipti, Thapliyal, Neha, Bisht, Kapil, Bisht, Monika, Negi, Vikram Singh, Mehta, Poonam (2022): Floristic diversity in Cold Desert regions of Uttarakhand Himalaya, India. Phytotaxa 537 (1): 1-62, DOI: 10.11646/phytotaxa.537.1.1

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SEKAR, K. CHANDRA, ASEESH PANDEY, LALIT GIRI, et al. "Floristic diversity in Cold Desert regions of Uttarakhand Himalaya, India." Phytotaxa 537, no. 1 (2022): 1–62. http://dx.doi.org/10.11646/phytotaxa.537.1.1.

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Cold desert regions of Uttarakhand are one of the least explored remote ecosystems in the Himalaya with fragmented database. To address the issue, the task of documenting the floristic diversity of cold deserts of Uttarakhand was taken up in the present study. A total of 932 taxa (908 species, 05 subspecies and 19 varieties) belonging to 371 genera and 76 families of angiosperms and gymnosperms were recorded. In view of conservation of plant diversity, methods such as in-situ conservation, popularizing cultivation of endemic, threatened and high value medicinal plants and controlling the lives

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Allen, Judy R. M., and Brian Huntley. "Estimating past floristic diversity in montane regions from macrofossil assemblages." Journal of Biogeography 26, no. 1 (1999): 55–73. http://dx.doi.org/10.1046/j.1365-2699.1999.00284.x.

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30

Dudagova, Elza Sh, Musa A. Taisumov, Marzhan A. M. Astamirova, and Elina R. Baibatyrova. "Distribution of Plant Species by Floristic Regions of the Argun River Basin." UNIVERSITY NEWS. NORTH-CAUCASIAN REGION. NATURAL SCIENCES SERIES, no. 3 (September 30, 2024): 141–50. http://dx.doi.org/10.18522/1026-2237-2024-3-141-150.

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The article is devoted to the flora of the Argun River basin within the Chechen Republic. One of the important areas of floristic research is solving the issue of the position of the flora under study in botanical-geographical zoning systems developed for a particular territory, in particular, for the territory of the republics of the Eastern Caucasus and the Northern Caucasus. Botanical-geographical zoning is based not only on quantitative indicators, but also on the composition of floristic complexes of a given territory, mostly on the localization of habitats of endemic and relict species,

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31

Zykova, Elena Yu, and Dmitry N. Shaulo. "Floristic findings in the Novosibirsk Region." Turczaninowia 26, no. 4 (2023): 22–26. http://dx.doi.org/10.14258/turczaninowia.26.4.5.

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New adventive species for the Novosibirsk Region are reported: Achillea collina, Campanula latifolia, Corylus avellana, Geranium sanguineum, Lolium × hybridum, Mentha × piperita, Nicandra physalodes, Rosa spinosissima, Sedum album. New locations of rare species are indicated: Arrhenatherum elatius, Clinopodium acinos, Hedysarum alpinum, the distribution of species recently recorded in the Novosibirsk Region is noted. For each species, its range is given, the distribution in the regions of Siberia is indicated.  Copy Translate Copy Translate

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32

V.A., Medvedev, and Iljenko O.O. "Dendrosozophytes of phylum Magnoliophyta in the State Dendrological Park Trostjanets of the NAS of Ukraine." Plant Introduction 68 (November 1, 2015): 77–88. https://doi.org/10.5281/zenodo.2527205.

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The information on results of research of species composition, geographical origin and viability in the conditions of the dendropark Trostjanets of rare species of plants of phylum <em>Magnolіophyta </em>is given. On the basis of the analysis of inventory materials 2008 it is observed that from 698 species of phylum <em>Magnolіophyta </em>which are cultivated in the park and the arboretum, 73 species are protected on the different level by “red lists”. From this number 35 species are included in the Red list of International Union for the Conservation of Nature and Natural Resource

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Astamirova, M. A., M. A. Taysumov, A. S. Abdurzakova, R. S. Magomadova, and F. S. Omarkhadzhieva. "Floristic zoning of high-mountain landscapes of the Central and North-Eastern Caucasus." South of Russia: ecology, development 18, no. 1 (2023): 46–53. http://dx.doi.org/10.18470/1992-1098-2023-1-46-53.

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Aim. To carry out floristic zoning of high-mountain landscapes of the Central and North-Eastern Caucasus.Material and Methods. A list of obligate petrophytes was compiled based on the results of processing the authors' own field collections and taking into account information from floristic reports and determinants. The assessment of the similarity of species composition of the flora of the high-mountain landscapes of the Central and North-Eastern Caucasus was carried out according to the Jaccard and S0rensen-Chekanovskiy coefficients.Results. Based on the analysis of similarity of floristic l

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34

Miara, Mohamed Djamel, Sami Youssef, Yassine Fendane, et al. "Phytogeographic Transition Areas Hide Floristic Diversity in Hyper-Arid Environments (Sharaan Natural Reserve, NW-Saudi Arabia)." Diversity 17, no. 1 (2024): 30. https://doi.org/10.3390/d17010030.

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Phytogeographic transition zones are often considered areas rich in biodiversity due to their ecological and landscape diversity. This study constitutes the first floristic investigation of the Sharaan Natural Reserve (SNR) located in the northwest of the KSA, which is supposed to be a phytogeographic transition zone due to its location between the central zone of the country dominated by Saharo-Arabic flora and the northern zone characterized by a Mediterranean and Irano-Turanian floristic affinities. The floristic studies carried out in the vegetation season from 2022 to 2024 led to the iden

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Von Konrat, Matthew J., and John E. Braggins. "The epiphyllous habit in the hepatic genus Frullania." Bryophyte Diversity and Evolution 17, no. 1 (1999): 103–13. http://dx.doi.org/10.11646/bde.17.1.13.

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We report for the first time 11 species of Frullania growing as epiphylls in New Zealand, New Caledonia, and Colombia . Also listed are 29 Frullania species that have previously been recorded growing as epiphylls in other regions of the world. The highest diversity of Frullania epiphyllous species are in the floristic regions of New Zealand, New Caledonia, Macraonesia, and Madagascar. Frullania epiphylls range in altitude from sea-level to 2500m and can be categorised into facultative or accidental epiphylls. The number of Frullania species currently recorded growing as epiphylls will no doubt

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Hopper, Stephen D. "South-western Australia, Cinderella of the world's temperate floristic regions, 2." Curtis's Botanical Magazine 21, no. 2 (2004): 132–80. http://dx.doi.org/10.1111/j.1355-4905.2004.00430.x.

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Hopper, Stephen D. "South-western Australia, Cinderella of the World's Temperate Floristic Regions 1." Curtis's Botanical Magazine 20, no. 2 (2003): 101–26. http://dx.doi.org/10.1111/1467-8748.00379.

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38

Sleptsov, Igor' Vital'yevich, and Sakhayana Mikhaylovna Rozhina. "ECOLOGICAL AND GEOGRAPHICAL FEATURES OF THE ACCUMULATION OF METABOLITES IN THE NEE-DLES OF LARIX CAJANDERI IN THE TERRITORY OF YAKUTIA." chemistry of plant raw material, no. 2 (June 10, 2021): 275–80. http://dx.doi.org/10.14258/jcprm.2021028322.

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The accumulation of primary and secondary metabolites in Larix cajanderi needles in some areas of North (Kobyayskiy, Anabarskiy uluses and Verkhoyanskiy district), Western (Nyurbinskiy district and Vilyuyskiy ulus) and Central (Megino-Kangalasskiy ulus) Yakutia was studied. It was found that the maximum content of dihydroquercetin, rutin, pimaric, isopimaric and dehydroabietic acids in Larix cajanderi needles was recorded in the northern part of Yakutia, which may be associated with the protective functions of flavonoids and diterpenic acids from ultraviolet radiation under conditions of longe

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Luneva, N. N., A. S. Tret'yakova, P. V. Kondratkov, et al. "SPECIES COMPOSITION OF WEEDS IN RAPESEED CROPS IN GEOGRAPHICALLY REMOTE REGIONS ON THE EXAMPLE OF LIPETSK AND SVERDLOVSK REGIONS." AGRO-INDUSTRIAL TECHNOLOGIES OF THE CENTRAL RUSSIA 18, no. 4 (2020): 96–107. http://dx.doi.org/10.24888/2541-7835-2020-18-96-107.

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The aim of the study is to identify differences in the species composition of weeds in spring rapeseed crops in two geographically remote regions of the Russian Federation – Lipetsk (Central black earth region) and Sverdlovsk (Ural region). The analysis was carried out using methods of comparative Floristics and distribution of species by classes of constancy of occurrence. Differences between segetal weed flora elements in the agrophytocenoses of canola compare regions, as in floral structure, consisting of the first two "triads" of the floristic spectra and confirmed the low rate coefficient

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Senator, Stepan, Sergey Saksonov, and Viktoria Bondareva. "Floristic areas of the Middle Volga region: materials to the analysis." BIO Web of Conferences 16 (2019): 00048. http://dx.doi.org/10.1051/bioconf/20191600048.

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The publication presents some quantitative characteristics of the 17 pre-selected floristic areas of the Middle Volga region (the total number of species, number of indigenous taxa and the number of differentiating species). Based on the available data, a linear regression is constructed, illustrating the relative dominance of allochthonous or autochthonous trends in the development of flora in the selected areas. The cluster analysis of the species lists of the floristic areas was completed, and then DCA-ordination of the selected areas was implemented. It is revealed that the forest-steppe a

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Nunes, Hélder P. B., Cristiana Maduro Dias, Adriana Abreu, Alfredo Borba, and Catarina D. Melo. "Insights into Enteric Methane Emissions in Conventional and Organic Dairy Grazing Systems in Island Regions." Sustainability 17, no. 11 (2025): 4944. https://doi.org/10.3390/su17114944.

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Pasture-based dairy systems are a cornerstone of agricultural practices in the Azores, contributing significantly to both the local economy and environmental sustainability. However, the environmental impact of these systems, particularly in terms of methane (CH4) emissions, remains a major challenge, especially given the need to balance productivity with ecological preservation. This study aimed to compare enteric methane emissions, floristic composition, productivity, and nutritional quality between conventional and organic pasture systems in the Azores. Data were collected from representati

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Stepanyan, Elena, Victoria Chadaeva, and Nelli Tsepkova. "Floristic findings in the Kabardino-Balkar Republic (Central Caucasus)." BIO Web of Conferences 35 (2021): 00022. http://dx.doi.org/10.1051/bioconf/20213500022.

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The article presents information on floristic findings in the Kabardino-Balkari Republic. As a result of expedition research in 2020-2021 and inventory studies in the Herbarium of the Tembotov Institute of Ecology of Mountain Territories RAS, we revealed nine species new to the Kabardino-Balkar Republic and new locations of ten vascular plants species. Species new to the region flora were Carex acuta, Genista angustifolia, Amorpha fruticosa, Ambrosia psilostachya, Mercurialis annua, Echinocystis lobata, Phlomis majkopensis, Cleistogenes squarrosa, Bidens frondosa. New locations of seven specie

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Trigas, Panayiotis, Eleftherios Kalpoutzakis, Epaminondas Kalogiannis, et al. "Noteworthy new floristic records from Greece." Botanica Serbica 45, no. 2 (2021): 321–31. http://dx.doi.org/10.2298/botserb2102321t.

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This contribution to the Greek flora includes distribution extensions and taxonomic notes for some noteworthy plant taxa. New records for certain phytogeographical regions of Greece are presented for: Arum cylindraceum, Convolvulus pentapetaloides. Cruciata taurica, Galanthus reginae-olgae subsp. vernalis, Ilex aquifolium, Linum decumbens, Lythrum thymifolia, Sedum praesidis, Silene congesta and Trifolium diffusum. Allium karistanum, Helichrysum amorginum, Limonium antipaxorum and L. cephalonicum have been recorded for the first time on some islands. New populations of Allium maniaticum and A.

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Martins, Sebastião Venâncio, Elizabeth Rodrigues Brito, Ary Teixeira de Oliveira Filho, Alexandre Francisco da Silva, and Elias Silva. "Floristic composition of two wetland forests in Araguaian Plain, State of Tocantins, Brazil, and comparison with other areas." Revista Árvore 32, no. 1 (2008): 129–41. http://dx.doi.org/10.1590/s0100-67622008000100015.

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Seasonally inundated native forest fragments ("ipucas") located in natural landform depression swales of the Araguaian Plain are currently under land use pressure. Their composition needs to be better understood to guarantee their protection. This comparative study of fragments under different land use conditions was carried out at Lago Verde Farm, Lagoa da Confusão,Tocantins, Brazil. The location coordinates are UTM 643586 and 644060 East and 8792795 and 8799167 North. This study aimed to first analyze and compare the floristic composition of two seasonally inundated forest fragments of appro

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Nettesheim, Felipe Cito, Luis Fernando Tavares de Menezes, Daniel Costa de Carvalho, Marilena Menezes Silva Conde, and Dorothy Sue Dunn de Araujo. "Influence of environmental variation on Atlantic Forest tree-shrub-layer phytogeography in southeast Brazil." Acta Botanica Brasilica 24, no. 2 (2010): 369–77. http://dx.doi.org/10.1590/s0102-33062010000200007.

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This work assessed data from 32 forest sites in Rio de Janeiro and São Paulo, Brazil, using multivariate analysis to answer the question: Are there floristic patterns of the Atlantic Forest tree-shrub layer related to the Serra do Mar and the width of coastal plains in the states of Rio de Janeiro and São Paulo? Three multivariate analyses were performed to investigate the relationship between the tree-shrub flora and environmental variation in these 32 study areas. Our analyses demonstrated the influence of geo-climatic variation on floristic differentiation of tree and shrub species in Atlan

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Makryi, T. V. "The genus Heppia (Heppiaceae) in the lichen flora of Russia and the finding of H. echinulata, a new species for Russia." Novosti sistematiki nizshikh rastenii 49 (2015): 245–64. http://dx.doi.org/10.31111/nsnr/2015.49.245.

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Heppia echinulata Marton et Galun is found for the first time in Russia on the south-western coast of Baikal Lake. The descriptions of all six presently known Heppia species and a key for their identification are provided. The localities for four Russian species found on the south-western coast of Baikal Lake [H. adglutinata (Kremp.) A. Massal., H. echinulata, H. lutosa (Ach.) Nyl., H. solorinoides (Nyl.) Nyl.] are cited. The systematics, taxonomy, ecology and distributions of Heppia species are discussed. It is shown, that Baikal Siberia is only slightly poorer in Heppia species than the flor

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Fredh, Daniel, Florence Mazier, Petra Bragée, et al. "The effect of local land-use changes on floristic diversity during the past 1000 years in southern Sweden." Holocene 27, no. 5 (2016): 694–711. http://dx.doi.org/10.1177/0959683616670464.

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The relationship between land-use and floristic diversity in the landscape, for the last millennia, is analysed from two small lakes in southern Sweden. Pollen analysis and the Local Vegetation Estimates (LOVE) model are used to quantify land-cover at local scales with 100-year time windows. Floristic richness is estimated using palynological richness, and we introduce LOVE-based evenness as a proxy for floristic evenness on a local scale based on the LOVE output. The results reveal a dynamic land-use pattern, with agricultural expansion during the 13th century, a partly abandoned landscape ar

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Tardella, Federico M., Riccardo Pennesi, Sandro Ballelli, et al. "Contribution to the floristic knowledge of Mount Pennino massif (Umbria-Marche Apennines, central Italy)." Italian Botanist 18 (September 24, 2024): 1–11. http://dx.doi.org/10.3897/italianbotanist.18.128215.

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The inventory of the taxa collected in 2021 during the annual field trip of the Working Group for Floristics, Systematics, and Evolution of the Italian Botanical Society is reported. The field trip was held in the Mount Pennino massif, between Umbria and Marche administrative regions (central Italy). The flora documented for the study area amounts to 413 specific and subspecific taxa (including one hybrid), belonging to 234 genera and 64 families. Thirty-seven taxa are endemic to Italy; 42 are included in the IUCN Red List of the Italian Flora. Only three alien taxa were found. Ten taxa and on

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Tardella, Federico M., Riccardo Pennesi, Sandro Ballelli, et al. "Contribution to the floristic knowledge of Mount Pennino massif (Umbria-Marche Apennines, central Italy)." Italian Botanist 18 (September 24, 2024): 1–11. https://doi.org/10.3897/italianbotanist.18.128215.

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The inventory of the taxa collected in 2021 during the annual field trip of the Working Group for Floristics, Systematics, and Evolution of the Italian Botanical Society is reported. The field trip was held in the Mount Pennino massif, between Umbria and Marche administrative regions (central Italy). The flora documented for the study area amounts to 413 specific and subspecific taxa (including one hybrid), belonging to 234 genera and 64 families. Thirty-seven taxa are endemic to Italy; 42 are included in the IUCN Red List of the Italian Flora. Only three alien taxa were found. Ten taxa and on

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Souddi, Mohammed, and M’hammed Bouallala. "BIODIVERSITY OF TREES AND SHRUBS OF URBAN PLANTATIONS IN ARID REGIONS." Current Trends in Natural Sciences 10, no. 20 (2021): 147–56. http://dx.doi.org/10.47068/ctns.2021.v10i20.020.

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Trees and shrubs are essential components in the production of ecosystem services. The aim of this study is to evaluate the biodiversity of plantations in arid regions. A floristic inventory was carried out in three biotopes using an exhaustive sampling approach. Diversity parameters were calculated to assess phytodiversity in each biotope. A total of 23 plants species belonging to 17 families, with a dominance of eudicots at 95.65% were recorded. The dominant families were Fabaceae (17.38%), Arecaceae, Lythraceae and Tamaricaceae (8.69%). The flora was mixed with 56.52% of exotic plant specie

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