Results 11 to 20 of about 1,019 (98)

Distribution maps of vegetation alliances in Europe

open access: yesApplied Vegetation Science, Volume 25, Issue 1, January/March 2022., 2022
We provide distribution maps for 1,105 phytosociological alliances of vascular‐plant dominated vegetation listed in the EuroVegChecklist. The alliances were mapped in 82 territorial units, in which three levels of occurrence probability are indicated: (a) verified occurrence; (b) uncertain occurrence; and (c) absence.
Zdenka Preislerová   +71 more
wiley   +1 more source

Systématique et biogéographie du genre Lamprothamnium (Characées) Caractéristique des biotopes aquatiques saumâtres [PDF]

open access: yes, 1992
La publication fait le point des connaissances sur le genre Lamprothamnium dans les domaines de la morphologie et du cycle de développement, de l'écologie et des végétations associées, de la répartition des espèces.Toutes les espèces monoïques de ...
Guerlesquin, M.
core   +1 more source

The effect of elevation on species richness in tropical forests depends on the considered lifeform: results from an East African mountain forest [PDF]

open access: yes, 2019
Elevation gradients in tropical forests have been studied but the analysis of patterns displayed by species richness and elevation have received little attention.
Amani, Christian   +3 more
core   +1 more source

Divergent responses of alpine bryophytes and lichens to climate change in the Swiss Alps

open access: yesJournal of Vegetation Science, Volume 35, Issue 4, July/August 2024.
The effect of climate on cryptogams was studied over 21 years on four summits in the Swiss Alps. Total bryophyte cover remained stable, but species richness and six species declined, probably due to several droughts. In contrast, terricolous lichen cover increased significantly on the second‐lowest summit, and species richness increased on the two ...
Rut Mayo de la Iglesia   +5 more
wiley   +1 more source

Pâturages de la zone tropicale humide : connaissances acquises et besoins en recherches complémentaires [PDF]

open access: yes, 1977
En zone tropicale humide, les chercheurs spécialisés dans l'étude des pâturages naturels ont déjà acquis des connaissances permettant l'élaboration de quelques principes fondamentaux de gestion des parcours (range-management) susceptibles de servir comme
Boudet, Gabriel
core   +1 more source

ReSurveyEurope: A database of resurveyed vegetation plots in Europe

open access: yesJournal of Vegetation Science, Volume 35, Issue 2, March/April 2024.
We introduce ReSurveyEurope – a new data source of 79,190 resurveyed vegetation plots in Europe, compiled by a collaborative network of vegetation scientists. We describe the scope of this initiative, provide an overview of currently available data, governance, data contribution rules, and accessibility. In addition, we outline further steps, including
Ilona Knollová   +264 more
wiley   +1 more source

Impacts of land abandonment and climate variability on runoff generation and sediment transport in the Pisuerga headwaters (Cantabrian Mountains, Spain) [PDF]

open access: yes, 2019
Producción CientíficaThe Atlantic mountains of Spain are suffering a strong landscape change due to a widespread and intensive emigration to urban areas since the 1950s.
López Moreno, Juan Ignacio   +3 more
core   +2 more sources

Structural, ecological and biogeographical attributes of European vegetation alliances

open access: yesApplied Vegetation Science, Volume 27, Issue 1, January/March 2024.
This new database contains standardized attributes of 12 variables that characterize 1106 phytosociological alliances dominated by vascular plants defined in EuroVegChecklist. These variables include dominant life form, phenological optimum, substrate moisture, substrate reaction, salinity, nutrient status, soil organic matter, vegetation region ...
Zdenka Preislerová   +59 more
wiley   +1 more source

Étude écologique, phytogéographique et revue de la nomenclature des espèces de genres Gnaphalium L., Lactuca L., et Vicoa Cass. (Asteraceae) conservés à l’herbarium IUK/Kinshasa

open access: yesRevue Congolaise des Sciences et Technologies
Un voucher d’herbier des Asteraceae est constitué de 345 spécimens au sein de l’Herbarium IUK (Inera–Unikin). Une étude a été faite pour les espèces de genres Gnaphalium (4 espèces), Lactuca (22 espèces), Vicoa (1 espèce) pour refaire la révision de ...
Blaise Bikandu Kapesa   +5 more
doaj   +1 more source

Phytogéographie tropicale réalités et perspectives

open access: yes, 1994
Au total, 168 participants ont repré­ senté 29 pays (10 d’Afrique, 10 d’Europe, 5 d’Amérique et 4 d’Asie). Au cours de ses­ sions, 79 communications ont été présentées et 29 affiches ont été exposées.
H. Puig
semanticscholar   +1 more source

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