Bibliographies thématiques / Phytosociological characterization

Littérature scientifique sur le sujet « Phytosociological characterization »

Auteur : Grafiati
Publié le 18 mai 2024

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Articles de revues sur le sujet "Phytosociological characterization"

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Concenço, G., M. Tomazi, I. V. T. Correia, S. A. Santos et L. Galon. « Phytosociological surveys : tools for weed science ? » Planta Daninha 31, no 2 (juin 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 proposed as the most suitable: (1) overall infestation; (2) phytosociological tables/graphs; (3) intra-characterization by diversity; (4) inter-characterization and grouping by cluster analysis. A summary of methods is established in order to assist Weed Science researchers through their steps into the realm of phytosociology.
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Rodríguez-Oubiña, Juan, Jesús Izco et Pablo Ramil. « Phytosociological characterization ofSphagnum pylaesiiBrid. communities in Northwest Spain ». Acta Botanica Gallica 148, no 3 (janvier 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 (septembre 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 et 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) identifies 302 species of phanerophytes distributed among 210 genera and 70 families. The dendrogram resulting from ascending hierarchical classification of readings revealed three syntaxa, two of which consist essentially of surveys of old disturbed sites and one of the surveys of the forest reserve. These syntaxons are characteristic of understory of preclimacic formations at different stages of development. The impact of disturbances is still felt in the undergrowth of Banco National Park Forest in terms of floristic richness and the distribution of species abundance in the former disturbed sites and in forest reserve.
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Pesaresi, Simone, Adriano Mancini et Simona Casavecchia. « Recognition and Characterization of Forest Plant Communities through Remote-Sensing NDVI Time Series ». Diversity 12, no 8 (14 août 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 vegetation. In this study, we demonstrate how normalized difference vegetation index (NDVI) time series with functional principal component analysis (FPCA) could support the analyses of phytosociologists. The approach supports the recognition and characterization of forest plant communities identified on the ground by the phytosociological approach by using NDVI time series that encode phenological behaviors. The methodology was evaluated in two study areas of central Italy, and it could characterize and discriminate six different forest plant associations that have similar dominant tree species but distinct specific composition: three dominated by black hornbeam (Ostrya carpinifolia) and three dominated by holm oak (Quercus ilex). The methodology was also able to optimize the ground data collection of unexplored areas (from a phytosociological point of view) by using a phenoclustering approach. The obtained results confirmed that by using remote sensing, it is possible to separate and distinguish plant communities in an objective/instrumental way, thus overcoming the subjectivity intrinsic to the phytosociological method. In particular, FPCA functional components (NDVI seasonalities) were significantly correlated with vegetation abundance data variation (Mantel r = 0.76, p < 0.001).
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Reinecke, Jennifer, et Elena Troeva. « Extrazonal steppes and other temperate grasslands of northern Siberia − Phytosociological classification and ecological characterization ». Phytocoenologia 47, no 2 (20 juillet 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 et Aroldo Ferreira Lopes Machado. « Phytosociological characterization of weed communities along a railway crossing the Atlantic Forest biome (Brazil) ». Phytocoenologia 50, no 2 (10 juillet 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 (21 novembre 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 et Gianpietro Giusso del Galdo. « Contribution to the Orophilous Cushion-Like Vegetation of Central-Southern and Insular Greece ». Plants 9, no 12 (30 novembre 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 followed in the literature, this study provides a more realistic and clear phytosociological characterization of this peculiar and archaic vegetation type, which is exclusive to the high mountains of the north-eastern Mediterranean. The new arrangement is mainly based on the phytogeographical role of the orophytes featuring this very specialized vegetation, which is essentially represented by endemics or rare species belonging to the ancient Mediterranean Tertiary flora. In addition, taxonomic research on the orophilous flora occurring in these plant communities allowed to identify six species new to science (i.e., Astragalus corinthiacus, Allium cremnophilum, A. cylleneum, A. orosamium, A. karvounis, and A. lefkadensis) and a new subspecies (i.e., Allium hirtovaginatum subsp. samium), and two new combinations (i.e., Astragalus rumelicus subsp. euboicus and subsp. taygeticus) are proposed.
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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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Livres sur le sujet "Phytosociological characterization"

1

Distribution, ecological amplitude and phytosociological characterization of European bryophytes. Berlin : Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, 2001.

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