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The Determinants of Plant Productivity-Natural Versus Man-Modified Communities
There is great variation in the terrestrial primary productivity of different climatic regions of the earth as well as within a given climatic region...
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Disturbance and Basic Properties of Ecosystem Energetics
Ecologists have traditionally been inclined to envisage the natural environment as relatively benign and disturbance-free, nurturing a diversity of...
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Research on the Characteristics of Energy Flows within Natural and Man-Altered Ecosystems
The world contains an extraordinary variety of ecosystems, ranging from equatorial forests to deserts and including a multitude of different...
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Plant Community Structure — Spatial Partitioning of Resources
The spatial partitioning of phytomass is considered in this chapter at three levels of community organization: the supra-organismal (patterning among...
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Existe-t-il une hêtraie ‘Méditerranéenne’ distincte des autres forêts de hêtre en Europe occidentale?
The study area is at the southern limit of the beech area, between the rivers Rhône in France and Ebro in Spain.
From an analysis of the occurrence of...
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Effets de L’Incendie sur L’ecosysteme
Fire is probably one of the most significant factors influencing the evolution of forest vegetation. This paper reviews fire’s principal...
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Processus dynamiques de reconstitution dans la série du Quercus ilex en Corse
The use of permanent plots in representative sites of various phytosociologically defined stages of the Quercus ilex series in NW Corsica allows us...
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Development of flora, vegetation and grazing value in experimental plots of a Quercus coccifera garrigue
From 1969–1977 an experiment was carried out in a Quercus coccifera garrigue, to follow the herbaceous species development after removal of the woody...
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Processus dynamiques de reconstitution dans la série du Quercus ilex en Corse
The use of permanent plots in representative sites of various phytosociologically defined stages of the Quercus ilex series in NW Corsica allows us...
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Development of flora, vegetation and grazing value in experimental plots of a Quercus coccifera garrigue
From 1969–1977 an experiment was carried out in a Quercus coccifera garrigue, to follow the herbaceous species development after removal of the woody...
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An indirect gradient analysis of the ecological relationships between ancient and recent reiverine woodlands to the south of Bruges (Flanders, Belgium)
Riverine forests to the south of Bruges were sampled according to the principles of the Braun-Blanquet approach. Cartographic data allowed a...
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Influence du traitement sylvicole sur la flore forestiere: Cas de la futaie et du taillis-sous-futaie
In a previous study, 772 floristics relevés, made in a large forest on calcareous soils (north-east France), had been treated by factorial analysis...
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Diversité spécifique et évolution des groupements végétaux supra forestiers des Pyrenèes centrales
Calculations of various diversity indices in seral meadow communities from the Central Pyrenees subalpine zone were based on quantitative...
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Les Relations Biogeographiques Des Alpes Avec Les Chaînes Calcaires Peripheriques (Jura, Apennin, Dinarides)
Malgré sa diversité et sa complexité, la végétation de la chaîne alpine est beaucoup mieux connue que celle des autres grands massifs. Sa position...
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L’etagement Altitudinal de la Vegetation au Chili Central: Les Profils Phytogeographiques
Central Chile extends under a mediterranean type of climatic influence between the 30th and 38th grades of southern latitude. Due to a great...
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Methodes D’etude des Formations Herbacees Denses. Essais D’application a L’etude de la Dynamique de la Vegetation
Les formations herbacées denses occupent une grande partie du territoire de certaines régions francaises. Or, ces formations présentent deux...
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Adaptation and acclimation of higher plants at the enzyme level: Latitudinal variations of thermal properties of NAD malate dehydrogenase in Lathyrus japonicus Willd. (Leguminosae)
Thermal properties of NAD malate dehydrogenase were investigated in 8 clonal populations of Lathyrus japonicus Willd. collected over a 16°...
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Contribution a l'etude des ceintures de vegetation d'une lagune continentale du nord de la tunisie (lac ischkeul)
For all stations, we established a sharing in space and time (according to abondance-dominance test) and we tried to represent the relative...