In this paper, the AA. study the mechanisms that control plant colonization on semi-arid eroded slopes in the basin of the Alfambra River (Teruel, east Spain) by (i) determining topographic thresholds for plant colonization, (ii) identifying
the soil properties limiting plant establishment and (iii) assessing whether colonizing species have specific plant traits to cope with these limitations. Since soil erosion and water availability can limit plant establishment and both can interact
in the landscape, they analysed variations in colonization success (vegetation cover and species number) with slope angle on 156 slopes, as a function of slope aspect. The results are discussed in the perspective of a more efficient ecological restoration
Colonization ; East Timor ; History ; Identity ; Independence ; Nationalism ; Policy
, legitimacy and electoral processes, 4- Tracks for the construction of the future. The fundamental elements of the country, forever tied to Portuguese and Indonesian colonization, are presented in historical perspective. Reconciliation, between Timor-Leste
To extend understanding of the role of silk-producing caddisflies (from the family Hydropsychidae) on particle entrainment, this study compares thresholds of incipient motion for colonized and river-conditioned but also uncolonized sediments using
combined field and laboratory flume experiments. In contrast to previous work, the AA. examine the incipient motion of fine-gravel substrates that have been colonized to natural densities, without isolating the animals from those abiotic and biotic
la colonisation. Les privilèges dont jouissaient les membres de la famille n'empêchaient pas les autres membres des sociétés de colons de survivre à la périphérie et d'exercer des rôles essentiels au sein des sociétés de colonisation.
Processsus hydrologiques et de sédimentation actuels. Répartition des associations de diatomées et de palynomorphes dans des colonnes de sédiments de fond. Changements des conditions hydrologiques sur ma plate-forme intérieure de la mer des Laptev à
Arctic Region ; Cold area ; Geomorphometry ; Gully erosion ; Paraglacial ; Plant colonization ; Polar region ; Slope dynamics ; Spitsbergen ; Svalbard
of photographic archives. Gully erosion has been estimated using morphometric parameters and by surveys of vegetation cover. The rapid melting of dead-ice cores controls gully formation. This leads to slope form modification. Vegetation colonization is a response
Agricultural colonization ; Deforestation ; Environmental conservation ; Forest ; Internal migration ; Land use ; Latin America ; Population pressure ; Rural area
, dans le territoire Costa Abajo de Colón, Panama. Modélisation hydrologique de l'inondation consécutive à cet ECET avec l'application HEC-HMS (Hydrologic Engineering Center - Hydrologic Modeling System). Présentation de scenarii de comportements
Colonization ; Development ; Economic geography ; Institution ; Local development ; Maoris ; Neo liberalism ; New Zealand ; Place ; Political economy ; Post-structuralism ; Residential environment ; Space ; Urban development
Les colons marginalisés sont devenus prisonniers d'un système de production insoutenable, faute de moyens et de choix pour en inventer un autre. De leur point de vue, il faudrait pour en sortir un ordre social plus juste. Certaines idées, nouvelles
Les infrastructures de transport constituent la colonne vertébrale du territoire. L’intégration de nouveaux pays dans l’Union européenne a entraîné l’augmentation du budget dédié à celles-ci, particulièrement en Pologne, comme cela s’est produit il