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Zeitschriftenartikel zum Thema „Phytosociological characterization“

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Veröffentlicht am 18. Mai 2024

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1

Concenço, G., M. Tomazi, I. V. T. Correia, S. A. Santos, and L. Galon. "Phytosociological surveys: tools for weed science?" Planta Daninha 31, no. 2 (2013): 469–82. http://dx.doi.org/10.1590/s0100-83582013000200025.

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In simple terms, a phytosociological survey is a group of ecological evaluation methods whose aim is to provide a comprehensive overview of both the composition and distribution of plant species in a given plant community. To understand the applicability of phytosociological surveys for weed science, as well as their validity, their ecological basis should be understood and the most suitable ones need to be chosen, because cultivated fields present a relatively distinct group of selecting factors when compared to natural plant communities. For weed science, the following sequence of steps is p

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Rodríguez-Oubiña, Juan, Jesús Izco, and Pablo Ramil. "Phytosociological characterization ofSphagnum pylaesiiBrid. communities in Northwest Spain." Acta Botanica Gallica 148, no. 3 (2001): 201–13. http://dx.doi.org/10.1080/12538078.2001.10515888.

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Slack, Nancy G. "Distribution, Ecological Amplitude, and Phytosociological Characterization of European Bryophytes." Bryologist 105, no. 3 (2002): 503–4. http://dx.doi.org/10.1639/0007-2745(2002)105[0503:]2.0.co;2.

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Patricia, KONAN Affoué, NEUBA Danho Fursy Rodelec, AKAFFOU Tchimou Antoine, KOUGBO Ménéké Distel, and ADJOUMANI Kobenan Ange-Pierre. "PHYTOSOCIOLOGICAL CHARACTERIZATION OF THE UNDERGROWTH OF BANCO NATIONAL PARK FOREST." International Journal of Agriculture, Environment and Bioresearch 07, no. 06 (2022): 178–92. http://dx.doi.org/10.35410/ijaeb.2022.5783.

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The Diversity of the understory is an important factor in predicting the future of forest ecosystems. It is of great interest for the development and conservation of biodiversity. The main objective of this study is to investigate the impact of disturbances in the undergrowth of Banco National Park. To this end, the phytosociological characterization of the undergrowth of the old disturbed sites and the forest reserve was carried out. The method used is that of phytosociology under its synusial approach. 91 surveys (82 in the former silvicultural treatment sites and 9 in forest reserve) identi

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Pesaresi, Simone, Adriano Mancini, and Simona Casavecchia. "Recognition and Characterization of Forest Plant Communities through Remote-Sensing NDVI Time Series." Diversity 12, no. 8 (2020): 313. http://dx.doi.org/10.3390/d12080313.

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Phytosociology is a reference method to classify vegetation that relies on field data. Its classification in hierarchical vegetation units, from plant associations to class level, hierarchically reflects the floristic similarity between different sites on different spatial scales. The development of remotely sensed multispectral platforms as satellites enormously contributes to the detection and mapping of vegetation on all scales. However, the integration between phytosociology and remotely sensed data is rather difficult and little practiced despite being a goal for the modern science of veg

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Reinecke, Jennifer, and Elena Troeva. "Extrazonal steppes and other temperate grasslands of northern Siberia − Phytosociological classification and ecological characterization." Phytocoenologia 47, no. 2 (2017): 167–96. http://dx.doi.org/10.1127/phyto/2017/0175.

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da Silva, Ester Fonseca, Fernando Ramos de Souza, Lucas Cesar Martins, Miler Soares Machado, Junior Borella, and Aroldo Ferreira Lopes Machado. "Phytosociological characterization of weed communities along a railway crossing the Atlantic Forest biome (Brazil)." Phytocoenologia 50, no. 2 (2020): 123–35. http://dx.doi.org/10.1127/phyto/2020/0355.

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Wojewoda, Władysław. "Macromycetes of the Ojców National Park. II. Phytosociological, ecological and geographical characterization." Acta Mycologica 11, no. 2 (2014): 163–209. http://dx.doi.org/10.5586/am.1975.012.

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Ecological and geographical characterization of macromycetes of the Ojców Naional Park is given. The investigations have been carried out in all plant communities of the Park: forest and shrub associations, communities of felled forest areas, of rocks and xerothermic grasslands, of meadows and pastures, and of cultivated fields. A new association (<i>Stropharietum semiglobatae</i>) is described.

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Musarella, Carmelo Maria, Salvatore Brullo, and Gianpietro Giusso del Galdo. "Contribution to the Orophilous Cushion-Like Vegetation of Central-Southern and Insular Greece." Plants 9, no. 12 (2020): 1678. http://dx.doi.org/10.3390/plants9121678.

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The results of a phytosociological investigation regarding the orophilous cushion-like vegetation occurring in the top of the high mountains of central-southern Greece and in some Ionian (Lefkas, Cephalonia) and Aegean Islands (Euboea, Samos, Lesvos, Chios and Thassos) are provided. Based on 680 phytosociological relevès (460 unpublished and 220 from literature), a new syntaxonomical arrangement is proposed with the description of a new class, including two new orders, eight new alliances, and several associations (many of them new). Compared to the previous hierarchical framework usually foll

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Warcholińska, Aurelia U. "Differentiation and distribution of Spergulo-Veronicetum dillenii (Wójcik 1965) Warcholińska 1981 in Poland." Acta Agrobotanica 59, no. 2 (2012): 291–301. http://dx.doi.org/10.5586/aa.2006.084.

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The study presents an analysis of the diversity of the <i>Spergulo</i>-<i>Veronicetum</i> dillenii association in Poland. On the basis of reviewed literature data and own contemporary investigation results (Warcholińska , 2004) species richness and community structure of the association are presented. Its phytosociological-syntaxonomical characterization and occurrence conditions are specified. Besides, the distribution and occurrence range of the discussed association are given.

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Souza, Mary Regina de, Maria Beatriz Ferreira, Geovana Gomes de Sousa, Allyson Rocha Alves, and Alan Cauê de Holanda. "CARACTERIZAÇÃO FLORÍSTICA E FITOSSOCIOLÓGICA DO COMPONENTE LENHOSO DE UM FRAGMENTO FLORESTAL DE CAATINGA EM SERRA DO MEL, RIO GRANDE DO NORTE, BRASIL." Nativa 8, no. 3 (2020): 329–35. http://dx.doi.org/10.31413/nativa.v8i3.9136.

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A caatinga apresenta uma diversidade de fisionomias e um enorme quadro de degradação, sendo importantes os estudos relacionados a fitossociologia para a caracterização da vegetação. O objetivo deste trabalho foi realizar um estudo de florística e fitossociologia em um fragmento florestal de caatinga no município de Serra do Mel no Rio Grande do Norte. Para realização do estudo foi realizado um levantamento da vegetação adotando-se a Amostragem Inteiramente Aleatória, onde foram marcadas 10 unidades amostrais de 20 x 20 m (400 m²). Foram amostrados todos os indivíduos florestais arbustivos-arbó

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Loidi, Javier. "The concept of vegetation class and order in phytosociological syntaxonomy." Vegetation Classification and Survey 1 (December 21, 2020): 163–67. http://dx.doi.org/10.3897/vcs/2020/59977.

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In order to stabilize the defining concepts of the higher rank syntaxonomic units such as class or order, the criteria of floristic content and unity of origin are enunciated. This is done with the aim of preventing the fragmentation of the large classes and the subsequent typological inflation. For orders, the criterion of specific floristic content is discussed, with orders that have been described to encompass seral secondary forests or the separation of forest vegetation from that which is dominated by shrubs rejected, due to their weak floristic characterization. These criteria have been

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Rahman, Inayat Ur, Aftab Afzal, Zafar Iqbal, et al. "Classification and Characterization of the Manoor Valley’s (Lesser Himalaya) Vegetation from the Subtropical-Temperate Ecotonal Forests to the Alpine Pastures along Ecological Variables." Plants 11, no. 1 (2021): 87. http://dx.doi.org/10.3390/plants11010087.

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Plant species are distributed in different types of habitats, forming different communities driven by different sets of environmental variables. Here, we assessed potential plant communities along an altitudinal gradient and their associations with different environmental drivers in the unexplored Manoor Valley (Lesser Himalaya), Pakistan. We have implemented various ecological techniques and evaluated phytosociological attributes in three randomly selected 50 m-transects within each stand (a total of 133) during different seasons for four years (2015–2018). This phytosociological exploration

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Gianotti, André Rodrigues da Cunha, Maria José Hatem de Souza, Israel Marinho Pereira, Evandro Luiz Mendonça Machado, Artur Duarte Vieira, and Mariana Rodrigues Magalhães. "Soil and phytosociological characterization of an area with predominance of arnica (Lychnophora pohlii sch. bip.)." Revista Brasileira de Ciência do Solo 37, no. 3 (2013): 565–71. http://dx.doi.org/10.1590/s0100-06832013000300002.

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Lychnophora pohlii Sch. Bip. (Asteraceae), known as "Arnica mineira", is widely used in folk medicine and very abundant in the altitude vegetation of rocky grassland. The aim of this work was to study the density of this species and its relationship with soil parameters in rocky grassland in Diamantina, in the Upper Jequitinhonha region, Minas Gerais. Ten contiguous 20 x 50 m plots were marked (total sampled area 10,000 m²) on the campus Juscelino Kubitschek of the Federal University of Jequitinhonha and Mucuri Valleys (UFVJM). The plants in these plots were evaluated for frequency, dominance

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Górski, Piotr. "The Nardo-Gnaphalietum supini plant association in the Western Carpathians (the Tatra Mts and the Babia Góra Massif)." Acta Societatis Botanicorum Poloniae 73, no. 1 (2011): 71–77. http://dx.doi.org/10.5586/asbp.2004.012.

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<p>This article is the first published information on the occurrence of the snow-beds of Nardo-Gnaphalietum supini in the Western Carpathians. So far, localities of Nardo-Gnaphalietum supini phytocoenoses have been known exclusively from the Alps, the Black Forest, and the Eastern Carpathians. During this study, carried out in the Polish Carpathians, phytocoenoses of Nardo-Gnaphalietum were recorded in the two highest massifs - the Tatra Mountains and the Babia Góra Massif. They were closely related to anthropogenically-influenced sites with exposed and lumped ground located near tourist

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John, Chris, Vishram Ram, Sushree Panda, and Ngangbam Pusparani. "Phytosociological studies of weeds associated with rice in Ri-Bhoi district of Meghalaya." Oryza-An International Journal on Rice 60, no. 4 (2023): 603–14. http://dx.doi.org/10.35709/ory.2023.60.4.13.

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Rice-based cropping systems are predominant in Meghalaya, India, comprising rice-potato, rice-mustard, rice-pea and rice monocropping systems. In areas that have shifted to cultivating cash crops, rice has supplanted the consumption of millet and maize as the principal staple. Thus, paddy-based weed assemblages are of significant importance in maximizing grain yields. Characterization and descriptive analysis of weed communities in crops can be brought about by phytosociological studies. Knowledge of the relative importance of spatial and temporal variables, environmental conditions and manage

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Bogosavljevic, Jelena, Aleksandar Djordjevic, Urban Silc, Zora Dajic-Stevanovic, Svetlana Acic, and Svjetlana Radmanovic. "Characterization of soils on consolidated limestone and its relations to grassland vegetation." Archives of Biological Sciences, no. 00 (2023): 6. http://dx.doi.org/10.2298/abs230106006b.

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Understanding the relations between soil features and plant responses is important for agricultural production and nature conservation. The aim of this study was to investigate the importance of the influence of soils? physical and chemical features on the composition of plant species and richness in grasslands studied on the limestone massif in eastern Serbia (Mt. Rtanj). The data set included 22 phytosociological relev?s, the same number of corresponding mixed soil samples (0-10 cm depth) and 8 soil profiles. Two vegetation types were distinguished by numerical classification as Saturejion m

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CONCENÇO, G., A. ANDRES, G. M. TELÓ, M. B. MARTINS, and I. S. MOISINHO. "PHYTOSOCIOLOGICAL CHARACTERIZATION OF WEEDS AS A FUNCTION OF RESIDUAL HERBICIDES APPLIED TO RICE GROWN UNDER SPRINKLER IRRIGATION." Experimental Agriculture 54, no. 2 (2017): 303–14. http://dx.doi.org/10.1017/s0014479717000059.

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SUMMARYWe aimed to characterize the weed community in sprinkler irrigated rice, previously applied with residual herbicides for two years, as well as to infer about sustainability of the management applied to the fields based on an ecological approach. The experiment was conducted during the cropping seasons 2013/14 and 2014/15, under sprinkler irrigation. Rice was planted in the second-half of October, using the cultivar PUITA INTA CL. Herbicides were applied in pre- and post-emergence (sequential application) of crop and weeds. Ryegrass (Lolium multiflorum) was planted in winter. In May 2015

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Nikolov, Ivaylo Dimitrov, and Marius Alipiev Dimitrov. "Forest habitats on the territory of the National Park “Central Balkan” Bulgaria." Hacquetia 22, no. 2 (2023): 215–45. http://dx.doi.org/10.2478/hacq-2022-0021.

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Abstract Identification and characterization of forest habitats on the territory of the “Central Balkan” National Park in Bulgaria was carried out. The national park is one of the most valuable and largest protected areas in Europe – second category according to the International Union for Conservation of Nature (IUCN). Based on 786 phytosociological relevés, a total of 17 different habitat types, according to EUNIS were identified and mapped. The habitats were ecologically characterized by Ellenberg indicator values and their area was determined. A comparison was made with the areas determine

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Stešević, Danijela, Filip Küzmič, Đorđije Milanović, Milica Stanišić-Vujačić, and Urban Šilc. "Coastal sand dune vegetation of Velika plaža (Montenegro)." Acta botanica Croatica 79, no. 1 (2020): 43–54. http://dx.doi.org/10.37427/botcro-2020-003.

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Velika plaža (Ulcinj, Montenegro) is the largest sandy beach along the coast of the eastern Adriatic that still has well-developed sand-dune vegetation. Although the characterization of the flora and vegetation of Velika plaža has been addressed by many authors, knowledge on its vegetation remained poor. We made a phytosociological study of sand beach vegetation comprising both dunal and wetland areas to provide a comprehensive survey of sand dune vegetation and habitat typology of Velika plaža. Based on 149 relevés (both from literature and recent field work), and with numerical classificatio

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Sales, Denyse Cássia de Maria, Ana Laura da Silva Luz, Nívea Maria Mafra Rodrigues, Wendel Kaian Mendonça Oliveira, Raimundo Thiago Lima da Silva, and João Olegário Pereira de Carvalho. "Floristic and phytosociological study of an urban fragment of secondary Amazonian forest in Capitão Poço – PA." Revista de Ciências Agroveterinárias 22, no. 4 (2023): 733–40. http://dx.doi.org/10.5965/223811712242023733.

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Secondary forests constitute important regenerating areas and they are expanding rapidly in the Amazonian landscape. The characterization of forest remnants provides essential information for conservation, management and recovery actions. The objective of the present study was to conduct a floristic and phytosociological evaluation of an urban fragment of secondary Amazonian forest (8.12 ha) in Capitão Poço, Pará. Trees with DBH ≥ 3.2 cm were inventoried in five 15 m x 30 m plots. The floristic diversity, importance value, and diametric distribution were investigated. In the survey, 236 indivi

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Ribeiro, Maria Margarida, Tatiana Diamantino, Joana Domingues, Ílio Montanari, Marcos Nopper Alves, and José Carlos Gonçalves. "Stevia rebaudiana germplasm characterization using microsatellite markers and steviol glycosides quantification by HPLC." Molecular Biology Reports 48, no. 3 (2021): 2573–82. http://dx.doi.org/10.1007/s11033-021-06308-x.

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AbstractStevia rebaudianaBertoni, Asteraceae, is an herbaceous perennial plant native to Paraguay. This species is considered since ancient times a medicinal plant with important bioactive compounds and pharmacologic and food properties, namely diterpenes glycosides. The high natural sweetener potential stevioside and rebaudioside A produced byS. rebaudianaplants are suitable sucrose substitutes, and their obtention is influenced by environmental, phytosociological, and genetic factors. The plants’ genetic profile and sweet potential depiction are needed for suitable plant selection for improv

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Zauski, Tomasz. "Łąki selernicowe (związek Cnidion dubii Bal.-Tul. 1966) w Polsce [Meadow communities of Cnidion dubii Bal.-Tul. 1966 alliance in Poland]." Monographiae Botanicae 77 (2014): 1–142. http://dx.doi.org/10.5586/mb.1995.001.

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The paper contains a characterization of the alliance <em>Cnidion dubii</em> Bal.-Tul. 1966 and of the association<em> Violo-Cnidietum dubii</em> Walther in Tx. 1954, belonging to it, both of which so far unreported from Poland. The syntaxonomy of those units has been based on analytic-synthetical phytosociological studies with the use of numerical classification and ordination methods, mainly of the TWINSPAN program. To demonstrate the distinct character of the units under study from Poland, the alliance <em>Cnidion dubii</em> has been analysed in compariso

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Sułkowska, Małgorzata. "Genetic and Ecotype Characterization of European Beech (Fagus sylvatica L.) in Poland." Acta Silvatica et Lignaria Hungarica 6, no. 1 (2010): 115–21. http://dx.doi.org/10.37045/aslh-2010-0009.

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European beech (Fagus sylvatica L.) is one of the most important forest tree species in Poland and it covers 5.2% of forest area. Present genetic structure of beech populations has been formed within the last few thousand years and influenced by many different factors, not only of environmental (postglacial) and genetic origin, but also by anthropogenic ones. In Poland, beech attains its north-eastern limit of natural range, and is limited by continental climate, winter temperatures, air humidity and soil conditions. The growth of beech stands outside the natural beech limit indicates that the

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Reis, Régilla Martins dos, Ariadne Enes Rocha, Mary Jane Nunes Carvalho, et al. "Characterization of vegetation structure in areas of natural occurrence of Hancornia speciosa Gomes." JANUARY 2021, no. 15(01):2021 (January 2, 2021): 156–63. http://dx.doi.org/10.21475/ajcs.21.15.01.2017.

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The mangabeira (Hancornia speciosa Gomes) has great food and pharmaceutical values but its production is almost entirely made by people gathering fruits in forests, which increases the risk extinction, particularly in savannah regions. Thus, the objective of this study was to compare floristic, phytosociology and species diversity in five areas of natural occurrence of mangabeira. All plants with a diameter at soil level equal to or greater than five cm were selected by the quadrant method in five villages in the state of Maranhão, northeastern Brazil. The assessed variables for the whole vege

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Ramírez S., Javier, Verónica Hoyos C., and Guido Plaza T. "Phytosociology of weeds associated with rice crops in the department of Tolima, Colombia." Agronomía Colombiana 33, no. 1 (2015): 64–73. http://dx.doi.org/10.15446/agron.colomb.v33n1.46747.

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<p>Phytosociological studies allow for the characterization and descriptive analysis of weed communities in crops. This study aimed to characterize the weed communities associated with weed crops in the “Centro, Meseta, and Norte” zones of the Tolima Department. The study was conducted in 96 commercial lots, in which a 1 ha area was marked off for the sampling. The development stage, density and cover of the weeds were evaluated. The importance value index, the alpha diversity indices of Shannon-Wiener, Simpson and uniformity as well as the similarity indices of Jaccard, Sorensen and Ste

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Vignoni, Ana Paz, Iris Edith Peralta, and Elena María Abraham. "Fragmented areas due to agricultural activity: native vegetation dynamics at crop interface (Montecaseros, Mendoza, Argentina)." Revista de la Facultad de Ciencias Agrarias UNCuyo 55, no. 2 (2023): 46–60. http://dx.doi.org/10.48162/rev.39.108.

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Plant communities fragmented by agricultural activities were analyzed in a 250-ha area in eastern plains of Montecaseros, Gral. San Martín Department, Mendoza, Argentina. A phytosociological method assessed different sites along a gradient of human intervention, from natural environments with no evidence of altered native vegetation to maximum farming modification, also including cleared and abandoned fields. Soil analyses supplemented the characterization of six plant communities. A scrubland physiognomy dominates the area, with species of the genera Larrea, Atriplex and Lycium. Tillage and c

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Jaśkiewicz, Barbara. "Fitocenozy Spergulo morisonii-Corynephoretum canescentis na Pojezierzu Mazurskim [Phytocoenoses of Spergulo morisonii-Corynephoretum in Mazurian Lakeland]." Monographiae Botanicae 86 (2014): 1–122. http://dx.doi.org/10.5586/mb.1999.007.

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The study contains a characterization of psammophilous grasslands on Mazurian Lakeland. Field research was carried out in 29 localities in which 596 phytosociological relevs were collected. As a consequence of numerical classification according to the TWINSPAN program, the occurrence of association <em>Spergulo-Corynephoretum</em> R. Tx. ex K. Czyżewska 1992 was proved. Within the association the following syntaxa were distinguished: subass.<em> typicum</em> and variants with <em>Hypochoeris radicata</em>, with <em>Artemisia campestris</em> ssp.

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Moussa, Loukmane, Ibouraïma Yabi, and Ismaïla Toko Imorou. "Diversité Floristique Et Usages Des Ligneux Le Long Des Couloirs De Transhumance Dans La Commune De Savè Au Centre Bénin." European Scientific Journal, ESJ 13, no. 2 (2017): 400. http://dx.doi.org/10.19044/esj.2017.v13n2p400.

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The vegetation cover of the District of Savè is subject to continuous pressure linked inter alia to the cutting of wood, agriculture and livestock through transhumance. Thus, forage seedlings are regularly used mainly during the dry season by transhumant herds. In this context, the characterization of woody pastures and the study of the uses of its timber by the local populations is a major imperative for their preservation and sustainable management. To this end, socio-economic surveys were carried out among the stakeholders involved in the use of these plant resources. The phytosociological

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Wszałek-Rożek, Katarzyna, Magdalena Lazarus, Renata Afranowicz-Cieślak, et al. "Endangered flora of Gdańsk Pomerania – its distinctiveness and diversity." Biodiversity Research and Conservation 50, no. 1 (2018): 53–60. http://dx.doi.org/10.2478/biorc-2018-0007.

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Abstract Gdańsk Pomerania is a region characterized by unique physiographic features and diverse flora. This region, as many other areas, is subject to numerous accelerating transformations. The occurrence of numerous species on their range edges and on isolated stands, e.g. mountain and xerothermic grassland species, was an important criterion in the development of a regional red list of vascular plants of Gdańsk Pomerania (Markowski & Buliński 2004). On this list, 648 species of vascular plants, which constitute about 39% of the regional flora and 26% of all Polish flora, are considered

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Bertacchi, Andrea. "Cork oak (Quercus suber) in the dynamism of a forest landscape shaped by fire on Monte Pisano (Tuscany N-W, Italy)." Plant Sociology 60, no. 2 (2023): 57–69. http://dx.doi.org/10.3897/pls2023602/04.

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The plant landscape of Monte Pisano is characterized by a predominant forest component, with Pinus pinaster and Castanea sativa, of clear anthropic imprint. Another important component is constituted by dynamically advanced scrubs and woods of evergreen sclerophylls of natural origin, although often differently altered by the anthropic action and/or by fires, and dominated by Quercus ilex. Quercus suber is often found within holm oak woods, and – with lower frequency – inside the pine forests. Cork oak, in some cases, becomes dominant going to constitute the northernmost cork forests in Tuscan

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Concenço, G., C. J. Silva, M. Tomazi, I. V. T. Correia, N. C. D. S. Souza, and A. Andres. "Infestation of weed species in pre-planting of soybean in succession to winter crops." Planta Daninha 31, no. 3 (2013): 551–58. http://dx.doi.org/10.1590/s0100-83582013000300007.

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This study aimed to evaluate different crops and plant species planted after soybeans for one year, in terms of their potential to inhibit the occurrence of weed species. The following crops that were planted as second crop after soybeans were evaluated: (1) corn (Zea mays) planted at spacing of 90 cm between rows, intercropped with Brachiaria ruziziensis in the inter-rows; (2) sunflower (Helianthus annuus); (3) crambe (Crambe abyssinica); (4) radish (Raphanus sativus); (5) rapeseed (Brassica napus); and (6) winter fallow - no plantation after soybeans. Phytosociological characterization of we

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Peyre, Gwendolyn, Henrik Balslev, and Xavier Font. "Phytoregionalisation of the Andean páramo." PeerJ 6 (June 1, 2018): e4786. http://dx.doi.org/10.7717/peerj.4786.

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Background The páramo is a high-elevation biogeographical province in the northern Andes, known for its great biodiversity and ecosystem services. Because there have been very few biogeographic studies encompassing the entire province to date, this study aimed at conducting a phytogeographical regionalisation of the páramo. Specifically, (1) clustering analyses were conducted to identify the main phytogeographical units in the three altitudinal belts: sub-páramo, mid-páramo and super-páramo, and examine their diagnostic flora, (2) an ordination complemented the geo-climatic characterization of

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Peyre, G., and X. Font. "Syntaxonomic revision and floristic characterization of the phytosociological alliances corresponding to subalpine and alpine grasslands of the Pyrenees and Cantabrian Mountains (classesCaricetea curvulae,Carici-Kobresietea, andFestuco-Seslerietea)." Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology 145, sup1 (2011): 220–32. http://dx.doi.org/10.1080/11263504.2011.602732.

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Concenço, G., C. J. Silva, I. V. T. Correia, et al. "Occurrence of weed species in Jatropha curcas intercropping systems." Planta Daninha 32, no. 2 (2014): 327–34. http://dx.doi.org/10.1590/s0100-83582014000200010.

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This study aimed to evaluate the level of infestation by weed species in a consolidated Jatropha plantation, as a function of the plant species grown in interrows. The experiment was installed in 2006 at the district of Itahum, city of Dourados, state of Mato Grosso do Sul, Brazil, made possible through a partnership between Embrapa Western Agriculture and Paraiso Farm. Treatments consisted of (1) Jatropha in monocrop, with no plant at the interrrows; or the following plants cultivaded at the interrows of Jatropha: (2) Stylosanthes spp.; (3) Brachiaria ruziziensis; (4) Brachiaria ruziziensis +

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Ziemińska-Smyk, Marta, and Czesława Trąba. "Weed infestation of crops in different soils in the protective zone of Roztocze National Park. Part I. Winter and spring cereals." Acta Agrobotanica 57, no. 1-2 (2013): 207–19. http://dx.doi.org/10.5586/aa.2004.019.

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The study on weed infestation of crops in different soils in the protective zone of RPN was conducted in the years 1991-1995. The characterization of weed infestation of winter and spring cereals was based on 306 phytosociological records. made with the use of Braun-Blanquet method. The degree of weed infestation in the fields in the protective zone of RPN depended on environment conditions. Both winter and spring cereals in majority of soils were most infested by: <i>Cenaturea cyanus, Apera spica-venti</i> and <i>Vicia hirsta</i>. In the lightest podsolic soils, made o

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Gado, Byll O. Kperou, Ismaïla Toko Imorou, Ousséni Arouna, and Madjidou Oumorou. "Caractérisation des parcours de transhumance à la périphérie de la réserve de biosphère transfrontalière du W au Bénin." International Journal of Biological and Chemical Sciences 14, no. 2 (2020): 333–52. http://dx.doi.org/10.4314/ijbcs.v14i2.3.

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La caractérisation des parcours naturels est un enjeu majeur pour protéger ces derniers et maintenir la productivité des systèmes d’élevage pastoraux. Cette recherche a été réalisée à la périphérie de la réserve de biosphère transfrontalière du W du Bénin. Le but est de mieux connaître les écosystèmes pâturés autour de la réserve et d’analyser la perception des éleveurs transhumants sur ces pâturages. Les approches phytosociologique et socio-économique ont été utilisées. Au total 225 personnes ont été interrogées. Les résultats ont révélé 132 espèces végétales réparties en 93 genres et 41 fami

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Benjamin, Kouman Koffi, Kouame Kra Frédéric, and Toure Awa. "Diversite et Degre d’Infestation de la Flore Adventice dans les Parcelles Rizicoles du Departement de Man (Cote d’Ivoire)." European Scientific Journal, ESJ 20, no. 3 (2024): 82. http://dx.doi.org/10.19044/esj.2024.v20n3p82.

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Dans la plupart des zones productrices de riz pluvial de la Côte d’Ivoire notamment le département de Man, les producteurs de riz pluvial sont confrontés aux difficultés telles que l’enherbement. La présente étude vise à contribuer à la connaissance des communautés des adventices et leur degré d’infestation en vue d’une gestion efficiente de ces dernières. La méthode d’approche est une enquête réalisée auprès des riziculteurs et des relevés floristiques sur leurs parcelles ont été réalisés. Ces derniers ont permis d’évaluer les paramètres tels que les fréquences et l’indice d’abondance-dominan

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Lima, Thais Espinola de Oliveira, Roberto Tuyoshi Hosokawa, Sebastião do Amaral Machado, and Umberto Klock. "Caracterização fitossociológica da vegetação no entorno de nascentes de um fragmento de Floresta Ombrofila Mista Montana na bacia do rio das Pedras, Guarapuava (PR) / Phytosociological characterization of the vegetation around water springs of the fragment of mixed ombrophilous forest in watershed of rio das Pedras, Guarapuava (PR)." Revista Ambiência 8, no. 2 (2012): 229–44. http://dx.doi.org/10.5777/ambiencia.2012.02.01.

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Wotoko, Valentin Omasombo, Jean Malekani, Julien Punga, Jean-Philippe Cherel, and Jean-Christophe Bokika. "La Dynamique du Système Socio-écologique dans la Concession Forestière des Communautés Locales de la Rivière Mbali en République Démocratique du Congo: Implication pour la Conservation du Bonobo (Pan Paniscus)." European Scientific Journal, ESJ 19, no. 6 (2023): 456. http://dx.doi.org/10.19044/esj.2023.v19n6p456.

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Cette étude a porté sur l’analyse de la dynamique socio-écologique de la Concession Forestière des Communautés Locales de la Rivière Mbali et ses implications sur la conservation du bonobo. L’objectif est de dégager la problématique générale de la conservation du bonobo à travers l’évaluation de la socio-démographie des ménages et l’examen des modes d’utilisation des terres et d’extraction des ressources. L’observation participative, les interviews sur questionnaire ouvert, des entretiens informels et les focus group ont été utilisés pour collecter les données. Les résultats de l’étude montren

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Patricia, Konan Affoué, Neuba Danho Fursy Rodelec, Malan Djah François, and Akaffou Tchimou Antoine. "Caractérisation phytosociologique des anciens sites de traitements sylvicoles et de la réserve naturelle dans le parc national du Banco (Abidjan-Côte d’Ivoire)." European Scientific Journal, ESJ 18, no. 24 (2022): 1. http://dx.doi.org/10.19044/esj.2022.v18n24p1.

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La perturbation des milieux est à l’origine de la destruction des habitats, elle contribue à la perte de la biodiversité et est une des causes du changement de la flore dans une localité. Elle entraine par conséquent la transformation des associations végétales. L’objectif principal de cette étude est de rechercher les associations végétales dans le parc national du Banco suite aux plantations villageoises et aux essais sylvicoles dus à la recherche d’une méthodologie propre à la sylviculture africaine. Pour ce faire, la caractérisation phytosociologique des anciens sites de traitements et de

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Silva, Virgínia M. de A., Claudeam M. Gama, Élder G. dos Santos, Sara H. P. Nunes, and Prof Carlos A. C. dos Santos. "Characterization NDVI space-time and surface and analysis phytosociologic albedo for São João do Cariri." Journal of Hyperspectral Remote Sensing 6, no. 6 (2016): 305–15. http://dx.doi.org/10.5935/2237-2202.20160030.

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Opolski-Neto, Thadeu, and João Carlos Ferreira Melo Júnior. "Influência das condições edáficas na composição florística e estrutural de uma comunidade de restinga sobre costão rochoso no sul do Brasil." Revista Brasileira de Geografia Física 15, no. 2 (2022): 1108. http://dx.doi.org/10.26848/rbgf.v15.2.p1108-1127.

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O presente trabalho objetiva avaliar a influência das condições edáficas na composição das espécies vegetais e na estrutura comunitária da restinga sobre costão rochoso localizado no Morro da Enseada, São Francisco do Sul, Santa Catarina. Para o levantamento da composição florística foi utilizado o método de caminhamento. Para a estrutura da vegetação foi usado o método de parcelas de 1 m². Foram alocadas 149 parcelas paralelas à zona de arrebentação das ondas no costão rochoso. A diversidade de espécies relativa à cada estrato do costão foi estimado por meio do índice de Shannon calculado por

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Korznikov, K. A., and P. V. Krestov. "Syntaxa of dark coniferous forests and Siberian dwarf pine thickets in the Russian Far East (the class Vaccinio-Piceetea)." Vegetation of Russia, no. 47 (2023): 61–71. http://dx.doi.org/10.31111/vegrus/2023.47.61.

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This paper presents a characterization of the syntaxa of zonal dark coniferous forests dominated by Abies nephrolepis, A. sachalinensis, Picea jezoensis, P. glehnii, and P. obovata of the class Vaccinio-Piceetea Br.-Bl. in Br.-Bl. et al. 1939 and the order Abieti veitchii–Piceetalia jezoensis Miyawaki, Ohba, Okuda, Nakayama et Fujiwara 1968. The order Pinetalia pumilae Suzuki 1964, which unites thickets of Siberian dwarf pine (Pinus pumila), is also included. Each syntaxon is presented with its diagnostic taxa list, distribution, and habitat conditions. Furthermore, we validate the names of on

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Colmanetti, Michel Anderson Almeida, Luiz Mauro Barbosa, Regina Tomoko Shirasuna, and Hilton Thadeu Zarate do Couto. "PHYTOSOCIOLOGY AND STRUCTURAL CHARACTERIZATION OF WOODY REGENERATION FROM A REFORESTATION WITH NATIVE SPECIES IN SOUTHEASTERN BRAZIL." Revista Árvore 40, no. 2 (2016): 209–18. http://dx.doi.org/10.1590/0100-67622016000200003.

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ABSTRACT In Brazil, specifically in São Paulo State, there are guidelines based on the high diversity of tropical forests that instructs the restoration projects in the state (current SMA 32/2014). The main goal of this study was verify the importance and effectiveness of the high diversity of arboreal species originated from a reforestation, and its influence in a woody regenerating composition. We developed a phytosociologic study in a woody regenerating stratum of a nine year old reforestation at a Private Reserve of Natural Heritage (RPPN), in Mogi-Guaçu, São Paulo State. All specimens wit

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Lavrinenko, I. A., and O. V. Lavrinenko. "Classification and mapping of habitats in the northwestern part of the Bolshezemelskaya tundra." Geobotanical mapping, no. 2021 (2021): 20–53. http://dx.doi.org/10.31111/geobotmap/2021.20.

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The integrity and preservation of natural habitats is the basis for the existence of flora and fauna, as well as many aspects of the life of the indigenous population. The high sensitivity of Arctic landscapes and natural ecosystems to anthropogenic and climatic factors predetermines the need for monitoring of habitats. Classification and inventory of Arctic habitats is made on the example of a key site in the Bolshezemelskaya tundra — adjacent tundra to the Bolvansky Nos Cape (23.7 km2) (Fig. 1). The diagnostics of biotopes was carried out on the basis of a previously developed typological sc

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Acherkouk, Mohamed, Abdesselam Maatougui, and Mohamed Aziz El Houmaiz. "Communautés végétales et faciès pastoraux dans la zone de Taourirt-Tafoughalt du Maroc oriental: écologie et inventaire floristique. Vegetation and pasturelands in Taourirt-Tafoughalt (Eastern Morocco): ecology and flora." Acta Botanica Malacitana 36 (December 1, 2011): 125–36. http://dx.doi.org/10.24310/abm.v36i1.2773.

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Français. L’étude a été entreprise durant l’année 2009 dans la zone «Taourirt-Tafoughalt» situeé à l’Ouest du Maroc oriental. Elle tente d’inventorier la végétation naturelle et de la caractériser en terme écologique tout en mettant en relief l’importance des conditions du milieu. La méthode utilisée consiste à déterminer la composition floristique des espèces et à définir l’état écologique de la végétation moyennant des relevés phyto-écologiques. Les analyses statistiques ont été effectuées à l’aide de l’Analyse Factorielle des Correspondances (AFC). Les principaux résultats montrent l’existe

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Lavrinenko, I. A. "Typology and syntaxonomic composition of vegetation territorial units: novel approach suggested with the case study of Arctic marshes." Vegetation of Russia, no. 39 (2020): 100–148. http://dx.doi.org/10.31111/vegrus/2020.39.100.

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General characteristic of approaches of Russian and Western European phytosociologists to the typology of territorial units of vegetation is presented in the paper. Two-dimensional classification of vegetation proposed by V. Sochava (1968) is the basis of Russian approaches, in which 2 classification categories are identified: phytocenomers and phytocenochores. Homogeneous territorial vegetation units are represented by phytocenoses of a certain syntaxa (phytocenomer), then 3 main types are distinguished within heterogeneous units: complexes, ecological series, and ecological-genetic series (R

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Spampinato, Giovanni, Valeria Tomaselli, Luigi Forte, et al. "Relevant but neglected habitat types by the Directive 92/43 EEC in southern Italy." Rendiconti Lincei. Scienze Fisiche e Naturali, February 28, 2023. http://dx.doi.org/10.1007/s12210-023-01136-6.

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AbstractThe 92/43/EEC Habitats Directive is the main European Union legal tool concerning nature conservation. The habitat types listed in Annex I to the Directive are phytosociology-based. It is widely acknowledged that phytosociological analysis is a crucial approach for habitats characterization and for monitoring their conservation status. Based on bibliographic investigations and new field survey campaigns, a list of habitat types neglected by the Habitats Directive is here presented and described for southern Italy. In this paper, 8 new habitat types and 13 subtypes are proposed. For eac

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"PHYTOSOCYOLOGIC CHARACTERIZATION AND ASSOCIATED SEDIMENT IN A MANGROVE AREA WITH IMPACTS OF OIL SPILL, TODOS OS SANTOS BAY, BAHIA, BRAZIL." International Journal of Development Research, June 30, 2020, 36509–17. http://dx.doi.org/10.37118/ijdr.18997.06.2020.

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This article presents the phytosociological characteristics of the São Paulo River estuary, northeastern part of Todosos Santos Bay, a mangrove area with impacts of oil spill as well as the physical-chemical composition of the plant of individuals associated with sediments. For qualitative, phytosociological research, the multiple plot method was applied, with a total of five 20x25 m2 plots. All living species present, Lagunculariaracemosa, Avicenniaschaueriana and Rhizophorae mangle identified with a breast height circumference (HBC) less than 15 cm were marked and their height and circumfere

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