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Heathland vegetation of the northern-central part of the Iberian Peninsula / Javier Loidi in Folia geobotanica et phytotaxonomica, vol. 32 (Année 1997)

Public [article]  inFolia geobotanica et phytotaxonomica > vol. 32 (Année 1997) . - pp. 259-281 Titre : Heathland vegetation of the northern-central part of the Iberian Peninsula Type de document : texte imprimé Auteurs : Javier Loidi, Auteur ; Itziar García-Mijangos, Auteur ; Mercedes Herrera, Auteur ; Asun Berastegi Gartziandia, Auteur ; Ainhoa Darquistade, Auteur Année de publication : 1997 Article en page(s) : pp. 259-281 Langues : Anglais (eng) Catégories : [habitats/milieux] 3 - Landes, fruticées et prairies [Thèmes] Végétation Mots-clés : Calluno-Ulicetea  classification  phytosociologie  syntaxonomie Résumé : "Heathland vegetation of northern Spain, included in theCalluno-Ulicetea, was studied using a set of 802 phytosociological relevés. The existing syntaxonomy has been tested and most of the types (associations and subassociations) fit satisfactorily with the observed groupings. Two main problems were encountered within theUlex dominated communities of the Cantabrian fringe and the Castilian-Cantabrian heathland communities. Both groups of communities were subject to ordination in order to clarify relationships between them. For the former group, ordination suggests that three associations can be distinguished: theUlici-Ericetum vagantis (lowlands up to the submontane belt), theVaccinio-Ulicetum gallii for the communities of higher altitudes (montane belt) and theUlici-Ericetum ciliaris (hygrophilous heathlands). The Castilian-Cantabrian heathlands show a variable Mediterranean influence and have a dispersed distribution due to lithological conditions. This results in the distinction of two new associations, viz. theArctostaphylo crassifoliae-Daboecietum cantabricae (marly, water-retaining soils) and theEricetum scopario-vagantis (sandy soils). A complete classification of theCalluno-Ulicetea in the studied area and short ecological and biogeographical diagnoses are given." (source : auteurs) Type de publication : périodique Référence biblio : Loidi J., García-Mijangos I., Herrera M., Berastegi Gartziandia A., Darquistade A., 1997 - Heathland vegetation of the northern-central part of the Iberian Peninsula. Folia geobotanica et phytotaxonomica, 32 : 259-281. ID PMB : 71045 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=71045 [article]

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Invasion patterns in riparian habitats : the role of anthropogenic pressure in temperature streams / Diego Liendo in Plant Biosystems, vol. 149, n°2 (Année 2015)

Public [article]  inPlant Biosystems > vol. 149, n°2 (Année 2015) . - pp. 289-297 Titre : Invasion patterns in riparian habitats : the role of anthropogenic pressure in temperature streams Type de document : texte imprimé Auteurs : Diego Liendo, Auteur ; Idoia Biurrun, Auteur ; Juan Antonio Campos, Auteur ; Javier Loidi, Auteur ; Itziar García-Mijangos, Auteur Année de publication : 2015 Article en page(s) : pp. 289-297 Langues : Anglais (eng) Catégories : [ZG] Espagne [habitats/milieux] 24 - Eaux courantes Mots-clés : plante invasive  habitat  niveau d'invasion  écosystème  pression anthropique  index de qualité  rivière  dégradation  ripisylve  grève  Pays basque  végétation Résumé : "The riparian flora and the level of invasion in the rivers of the Cantabric watershed in Spain were studied in relation to the ecological status and the anthropogenic pressure. The level of invasion was also analyzed in different riparian habitats : forests, river bars and man-made slopes. For this purpose, 18 sites were sampled and a list of native and alien plant species was made along a 100-m strip at each site. The habitat/s where alien species were found and their abundance per habitat and in the total area were also indicated. Out of 112 alien taxa found, 51 were classified as invasive. Exotic plants native to America were the most common (35%). The level of invasion was significantly higher in the sampling sites subject to high levels of hydrological and morphological disturbances, proxies of the anthropogenic pressure. River bars and man-made slopes supported similar number of alien plant species, higher than forests. We suggest that disturbance in river banks should be minimized as much as possible in order to diminish the risk of invasion." (source : auteurs) Type de publication : périodique Référence biblio : Liendo D., Biurrun I., Campos J., 2015 - Invasion patterns in riparian habitats : the role of anthropogenic pressure in temperature streams. Plant Biosystems, 149 (2) : 289-297. ID PMB : 60018 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=60018 [article]

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