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Résultats de la recherche (11 résultats)

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  • Geomorphic agents versus vegetation spreading as causes of badland occurrence in a Mediterranean subhumid mountainous area
  • Badlands in changing environments. Special issue
  • Badland ; Domaine méditerranéen ; Dynamique de versant ; Espagne ; Gel ; Montagne ; Météorisation ; Pyrénées ; Végétation
  • Badland ; Freezing ; Mediterranean area ; Mountain ; Pyrénées ; Slope dynamics ; Spain ; Vegetation ; Weathering
  • The aim of this study is to discuss the mechanisms that determine the occurrence of badland forms in a subhumid mountain area in the Vallcebre area, southeastern Pyrenees, that has been subjected to detailed studies on physical weathering
  • and vegetation dynamics. Special attention is paid to the amounts of energy available for the main geomorphic agents (rainfall, freezing, clay shrinking) as well as to the explication of the preferred occurence of badland surfaces in north facing aspects.
  • 2000
  • Soil seed bank and seedling dynamics in badlands of the Upper Llobregat basin (Pyrenees)
  • Badlands in changing environments. Special issue
  • Badland ; Bassin-versant ; Dynamique de la végétation ; Erosion des sols ; Espagne ; Inventaire écologique ; Montagne ; Pyrénées ; Taxonomie ; Végétation
  • Badland ; Ecological inventory ; Mountain ; Pyrénées ; Soil erosion ; Spain ; Taxonomy ; Vegetation ; Vegetation dynamics ; Watershed
  • and seedling phases in the badland areas of the Upper Llobregat basin. The AA. sought to test the hypothesis that seed availability and seedling recruitment was not enough to guarantee colonization of these areas.
  • 2000
  • The impact of the farming practice of remodeling hillslope topography on badland morphology and soil erosion processes
  • Badlands in changing environments. Special issue
  • Badland ; Basilicata ; Calanchi ; Céréale ; Domaine semi-aride ; Erosion des sols ; Italie ; Pente de versant ; Pratique culturale ; Réseau de drainage ; Utilisation agricole du sol ; Versant
  • Agricultural land use ; Agricultural practice ; Badland ; Basilicata ; Cereal ; Drainage network ; Italy ; Semi-arid area ; Slope ; Slope gradient ; Soil erosion
  • Badland landforms, created in Plio-Pleistocene clay landscapes of the Basilicata region of southern Italy, form marginal features in a semi-arid landscape dominated by the widespread cultivation of subsidised cereals. These badland features are high
  • relative relief forms exhibiting a high drainage density and steep slopes, with slope angles typically in excess of 35°. The economically-driven change in land use from visually striking badland areas to newly remodelled fields for agricultural use results
  • 2000
  • The role of some site geochemical processes in the development and stabilisation of three badland sites in Almería, Southern Spain
  • Almería ; Argile minéral ; Badland ; Domaine semi-aride ; Espagne ; Géochimie ; Propriétés du sol ; Ravinement ; Sol
  • Almería ; Badland ; Clay mineral ; Geochemistry ; Gully erosion ; Semi-arid area ; Soil ; Soil properties ; Spain
  • The AA. reconsider existing and new soil geochemical data collected in 3 of 4 Almería badland areas (Tabernas, Vera and Mocatan), aiming to identify diagnostic site physico-chemical relationships (or signatures). The hypothesis that site
  • 2000
  • Recent gully erosion in the El Cautivo badlands (Tabernas, SE Spain)
  • Badlands in changing environments. Special issue
  • Almería ; Badland ; Couvert végétal ; Diagramme pollinique ; Domaine aride ; Domaine semi-aride ; Erosion des sols ; Espagne ; Holocène ; Palynologie ; Précipitation ; Ravinement ; Végétation
  • Almería ; Arid area ; Badland ; Gully erosion ; Holocene ; Palynology ; Plant canopy ; Pollen diagram ; Precipitation ; Semi-arid area ; Soil erosion ; Spain ; Vegetation
  • The aim of this study is to analyze a recent deposition-erosion alternation within a badland area in semiarid South-East Spain. Given the small size of the drainage areas involved, this alternation can be analyzed in terms of hillslope
  • 2000
  • Investigation of relationships between measured field indicators and erosion processes on badland surfaces at Petrer, Spain
  • Badlands in changing environments. Special issue
  • Badland ; Domaine aride ; Erodabilité ; Erosion des sols ; Erosion hydrique ; Espagne ; Granada ; Infiltration ; Mouvement de masse ; Propriétés du sol ; Simulation de pluie ; Versant
  • Arid area ; Badland ; Erodibility ; Granada ; Infiltration ; Mass movement ; Rainfall simulation ; Slope ; Soil erosion ; Soil properties ; Spain ; Water erosion
  • 2000
  • Identification of Calanco, a badland landform in the northern Apennines, Italy
  • Appennino ; Badland ; Bassin-versant ; Bilan sédimentaire ; Calanco ; Cartographie géomorphologique ; Concept ; Emilia-Romagna ; Erosion des sols ; Italie ; Ravinement ; Terminologie
  • Appennino ; Badland ; Concept ; Emilia Romagna ; Geomorphological mapping ; Gully erosion ; Italy ; Sediment budget ; Soil erosion ; Terminology ; Watershed
  • Calanco (plural, calanchi) is a term widely used in the northern Apennines, Italy, to define a type of badland formed in clayey bedrock. However, no precise geomorphological definition of calanco has been established. The availability of modern
  • 2000
  • Badlands in changing environments. Special issue
  • Action anthropique ; Appennino ; Badland ; Calanchi ; Concept ; Distribution spatiale ; Domaine méditerranéen ; Erosion des sols ; Italie ; Italie centrale ; Piedmont ; Utilisation du sol
  • Appennino ; Badland ; Central Italy ; Concept ; Human impact ; Italy ; Land use ; Mediterranean area ; Piedmont ; Soil erosion ; Spatial distribution
  • The subject of this research, the calanchi landscape, often generally considered as badlands by non-Italian authors, is, in fact, made up of many singular landforms, each of which (calanco) corresponds to a more or less extended hydrographic unit
  • 2000
  • Land reform implications of the distribution of badlands in the Mfolosi catchment, KwaZulu-Natal
  • 2000
  • Action anthropique ; Analyse quantitative ; Badland ; Bassin sédimentaire ; Erosion ; Erosion des sols ; Géomorphogenèse ; Loess ; Namibie ; Ravinement
  • Badland ; Erosion ; Geomorphogenesis ; Gully erosion ; Human impact ; Loess ; Namibia ; Quantitative analysis ; Sedimentary basin ; Soil erosion
  • 2000