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  • The ecological impact of cattle on caulescent Andean rosettes in a high Venezuelan paramo
  • Andes ; Applied ecology ; Cattle ; Livestock farming ; Meadow;Grassland ; Mountain ; Vegetation degradation ; Venezuela
  • Andes ; Bovin ; Dégradation de la végétation ; Ecologie appliquée ; Elevage ; Montagne ; Prairie ; Venezuela
  • Biogeography ; Concept ; Ecology ; Ecosystem ; Taxonomy ; Vegetation
  • Biogéographie ; Concept ; Ecologie ; Ecosystème ; Invasion ; Plante vasculaire ; Taxonomie ; Végétation
  • This paper considers key issues in plant invasion ecology where findings published since 1990 have significantly improved the understanding of many aspects of invasions. The review focuses on vascular plants invading natural and semi-natural
  • ecosystems, and on fundamental ecological issues relating to species invasiveness and community invasibility.
  • Modern climate change and shifting ecological states of the Subalpine / Alpine landscape in the swedish scandes
  • Changement climatique ; Etagement de la végétation ; Montagne ; Suède ; Végétation
  • Altitudinal zonation of vegetation ; Climatic change ; Mountain ; Sweden ; Vegetation
  • L'A. présente les résultats d'une observation longue de la végétation dans les montagnes scandinaves dans le cadre d'un réseau de recherche alpine. L'objectif est d'estimer les modifications de l'étage de la végétation alpine dans un futur plus
  • Geomorphological controls on coastal vegetation at the Virginia Coast Reserve
  • Biodiversité ; Dynamique de la végétation ; Eau souterraine ; Ecosystème ; Etats-Unis ; Littoral ; Niveau marin ; Salinité ; Virginia ; Végétation
  • Biodiversity ; Coastal environment ; Ecosystem ; Groundwater ; Salinity ; Sea level ; United States of America ; Vegetation ; Vegetation dynamics ; Virginia
  • This paper examines the consequences of geomorphologic and hydrologic processes in the establishment of ecologic pattern and process. Specifically, the AA. will focus on the barrier islands of Virginia's Eastern Shore at the site of the National
  • Science Foundation's Long-term Ecological Research site on the Virginia Coast Reserve.
  • Studies of vegetation burial : a focus for biogeography and biogeomorphology ?
  • Biogeography ; Palaeo-ecology ; Palaeo-environment ; Pedogenesis ; Sand ; Vegetation ; Vegetation dynamics ; Volcanic ash
  • Biogéographie ; Cendre volcanique ; Dynamique de la végétation ; Ensevelissement ; Paléo-environnement ; Paléo-écologie ; Pédogenèse ; Sable ; Végétation
  • This paper examines the literature on research into the effects of burial by deposition of blown sand, volcanic deposits (tephra, lavas and lahars) or fluvial sediment on vegetation and the subsequent capacity of the vegetation for survival
  • is then demonstrated by reference to macahir sand dune stratification in the Outer Hebrides and vegetation damage and burial following proximal volcanic impacts in New Zealand.
  • Fire in the cerrado (savannas) of Brazil : an ecological review
  • Biodiversity ; Biogeography ; Brazil ; Ecology ; Environmental management ; Fire ; Savanna
  • Fire is a major determinant of cerrado (savanna) vegetation in Brazil, and is used as a management tool during the dry season. This article reviews past and present fire ecology studies in the cerrado, (abiotic, biotic, social studies and management
  • Aerial photography ; Ecology ; Hungary ; Landscape ; Vegetation
  • Ecologie ; Hongrie ; Paysage ; Photographie aérienne ; Szigetköz ; Végétation
  • The consequences of implementing Variety C affect a substantially large area. The analysis based on the aerial photographs made in Szigetköz between 1984 and 1998. The changes in the sediment and the vegetation of point bars are also examined from
  • landscape ecological view. - (AM)
  • Biogeography ; Ecology ; Floodplain ; Forest ; Iowa ; Meander ; United States ; Vegetation ; Vegetation dynamics
  • Biogéographie ; Dynamique de la végétation ; Ecologie ; Etats-Unis ; Forêt ; Iowa ; Méandre ; Plaine d'inondation ; Végétation
  • To examine specific changes in vegetation initiated by the lateral migration of a river channel, the AA. quantify the structures and composition of woody trees and shrubs along a cutbank forest edge in an Iowa floodplain.
  • Bibliography ; Environment ; Glacial features ; Remote sensing ; Soil erosion ; Spectral reflectance ; Urban ecology ; Vegetation ; Vegetation index ; Volcanism ; Weathering
  • Bibliographie ; Ecologie urbaine ; Environnement ; Erosion des sols ; Glaciaire ; Indice de végétation ; Météorisation ; Réflectance ; Télédétection ; Volcanisme ; Végétation
  • Le point sur les études réalisées à l'aide de la télédétection, en 1996 et 1997, concernant l'environnement, la végétation, les glaciers, les sols, la géomorphologie.
  • AVHRR ; Aerosol ; Ecology ; LANDSAT ; Oceanography ; Remote sensing ; SPOT ; Vegetation ; Vegetation index
  • AVHRR ; Aérosol ; Ecologie ; Indice de végétation ; LANDSAT ; Océanographie ; SPOT ; Télédétection ; Végétation
  • Le point sur le lancement des derniers capteurs et l'exploitation des nouvelles données pour les études atmosphériques, océanographiques et terrestres : SeaWifs et MODIS sur EOS-AM1 et IRS-P4, VEGETATION sur SPOT-4.
  • Non-classificatory analysis and representation of heathland vegetation from remotely sensed imagery
  • Data processing ; Ecology ; Heathland ; Remote sensing ; Thematic mapping;Thematic cartography ; United Kingdom ; Vegetation
  • Cartographie thématique ; Ecologie ; Lande ; Royaume-Uni ; Traitement des données ; Télédétection ; Végétation
  • This paper discusses the representation of semi-natural vegetation, drawing on examples of heathland vegetation that lie along continua. Tow alternative approaches to the representation of heathland vegetation are examined, both of which aim
  • to model the continuous character of the vegetation with measures of the strength of class membership to « discrete classes », namely probabilities of class membership from a maximum likelihood classification and fuzzy membership functions from the fuzzy c
  • Effects of anthropogenic disturbances on paramo vegetation in Podocarpus National Park, Ecuador
  • Andes ; Biodiversity ; Biogeography ; Ecology ; Ecosystem ; Ecuador ; Human impact ; Mountain ; Vegetation ; Vegetation degradation ; Vegetation dynamics
  • Action anthropique ; Andes ; Biodiversité ; Biogéographie ; Dynamique de la végétation ; Dégradation de la végétation ; Ecologie ; Ecosystème ; Equateur ; Montagne ; Páramo ; Végétation
  • Vegetation patterns and species-environment relationships in the Gurbantunggut Desert of China
  • Biodiversité ; Chine ; Colonisation végétale ; Distribution spatiale ; Domaine aride ; Dune ; Désert ; Propriétés du sol ; Sol ; Végétation ; Xinjiang
  • Arid area ; Biodiversity ; China ; Desert ; Dune ; Plant colonization ; Soil ; Soil properties ; Spatial distribution ; Vegetation ; Xinjiang
  • varying gradients of environmental factors, such as landform morphology and soil physical and chemical properties. Thus, this paper aims to provide ecological understanding of the relationship between the vegetation patterns and environmental factors
  • on a quantitative level, to aid vegetation rehabilitation and ecological re-building.
  • This paper, with CCA and other quantitaive methods, compares the characteristics of vegetation distribution in the longitudinal and transverse directions across the landscape in the Gurbantunggut Desert, and discusses the response to spatially
  • [b1] Xinjiang Institute of Ecology and Geography, Urumqi, Chine
  • Wall ecology : a frontier for urban biodiversity and ecological engineering
  • Applied ecology ; Biodiversity ; Ecosystem ; Habitat ; Urban area ; Urban environment ; Vegetation ; Wall
  • Biodiversité ; Ecologie appliquée ; Ecosystème ; Environnement urbain ; Espace urbain ; Habitat ; Mur ; Végétation
  • This review considers the development of wall ecology, highlighting the key characteristics of walls that have been found to influence their ability to support species, with a focus on higher plants. It then examines the kinds of plant assemblages
  • that are found on walls and the broader role of walls within urban biodiversity, before discussing the potential for ecological engineering of walls. Some progress has recently been made in the latter area with the installation of living walls and the physical
  • Dynamic plant ecology: the spectrum of vegetational change in space and time
  • Biosphère ; Dynamique de la végétation ; Echelle ; Echelle spatio-temporelle ; Ecologie ; Géographie physique ; Paléo-écologie ; Paléobiogéographie ; Quaternaire ; Végétation
  • Etude des facteurs en jeu dans la dynamique de la végétation selon les échelles spatio-temporelles. La notion d'échelle est déterminante dans l'appréciation de l'évolution et de la dynamique des espèces et des communautés, et les données empiriques
  • Landscape sensitivity : an ecological view
  • Concept ; Ecology ; Human impact ; Landscape ; Landscape dynamics ; Scotland ; Sensitivity analysis ; Soil ; United Kingdom ; Vegetation ; Vegetation dynamics
  • Action anthropique ; Analyse de sensibilité ; Concept ; Dynamique de la végétation ; Dynamique du paysage ; Ecologie ; Paysage ; Royaume-Uni ; Scotland ; Sol ; Végétation
  • This paper briefly explores the concept of landscape sensitivity from an ecological perspective by addressing the questions : what is landscape sensitivity, what are the mechanisms of change, and what can landscape change mean for the species living
  • there ? In discussing the first question, the AA. note the difficulty of achieving a precise definition, though it is vegetation that largely gives landscapes their colour and texture. They explore the other three questions using examples and data from Scotland, mainly
  • Ecological models at regional and global scales, presentation of a cooperative research agenda; Lund - Copenhagen
  • Africa ; Ecology ; Ecosystem ; Global change ; Model ; Remote sensing ; Sahel ; Scale ; Spatial distribution ; Vegetation dynamics
  • Afrique ; Changement global ; Distribution spatiale ; Dynamique de la végétation ; Echelle ; Ecologie ; Ecosystème ; Modèle ; Sahel ; Télédétection
  • The objective of this research is to work on a new approach to the development of ecological models where all input parameters can actually be measured on a relevant scale (from regional to global), primarily by means of remote sensing.
  • Fire ecology
  • Applied ecology ; Charcoal ; Climatic change ; Dendrochronology ; Erosion control ; Fire ; Forest ; Forest production management ; Landscape ecology ; Methodology ; Palaeogeography ; Prehistory ; Vegetation degradation
  • Aménagement forestier ; Changement climatique ; Charbon de bois ; Dendrochronologie ; Dégradation de la végétation ; Ecologie appliquée ; Ecologie du paysage ; Feu ; Forêt ; Lutte contre l'érosion ; Méthodologie ; Paléogéographie ; Préhistoire
  • Geostatistics, spatial rate of change analysis and boundary detection in plant ecology and biogeography
  • Biogeography ; Boundary ; Cluster analysis ; Concept ; Ecology ; Geostatistics ; Krigeage ; Spatial analysis ; Spatial autocorrelation ; Terminology ; Vegetation
  • Analyse des groupes ; Analyse spatiale ; Autocorrélation spatiale ; Biogéographie ; Concept ; Ecologie ; Géostatistiques ; Krigeage ; Limite ; Terminologie ; Végétation
  • The primary aim of this paper is to highlight the importance of geostatistical methods in plant ecology and biogeography and to review related issues, concepts and methods. A further aim is to assess the approaches available to assist with spatial
  • Hydro-ecology of the Dutch polder landscape
  • Aménagement du littoral ; Ecosystème ; Habitat ; Hydrologie ; Littoral ; Pays-Bas ; Polder ; Végétation
  • Coastal environment ; Coastal management ; Ecosystem ; Habitat ; Hydrology ; Netherlands (The) ; Polder ; Vegetation
  • The relation between hydrology aznd vegetation in the Dutch man-made aquatic polder ecosystems has been investigated at two scales : first this of the direct habitat relations between species and the values of non-biotic variables, and secondly
  • this of the processes in the ecology of the landscape which change these habitats. The results of this study can be applied to restoration projects, if desired target situation is defined. The technical and sustainable measures for restoration have to be incorporated