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Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Spatial patterns and structure of the mountain birch tree-limit in the southern Swedish Scandes - a regional perspective
  • Aeolian deflation ; Biogeography ; Ecotone ; Geo-ecology ; Microrelief ; Mountain ; Regression analysis ; Slope gradient ; Snow ; Spatial variation ; Sweden ; Tree line
  • This study improves the understanding of the tree-limit phenomenon in general by identifying and analysing regional spatial patterns of the present-day tree-limit position (m a.s.l.) and structure of mountain birch along relevant topographical
  • 1998
  • Agroecosystem ; Alentejo ; Ecosystem ; Forest ; Landscape ; Landscape ecology ; Photointerpretation ; Portugal ; Tree
  • 1998
  • Paper is in two sections. First, A. traces how people came to know about Nicaragua's tunu (Castilla fallax) and how Nicaragua became aware of this resource and legislated access to its forest and tree latexes. There is a discussion of the decision
  • 1998
  • tree hedgerows, grass strips, and incorporation of perennials - have not been adopted by most farmers. Authors seek a better understanding for poor adoption rate and search for alternatives. - (SLD)
  • 1998
  • Biogeography ; Canada ; Climatic variation ; Climatic warming ; Dendrochronology ; Dendrology ; Eighteenth Century ; Global change ; Historical geography ; Nineteenth Century ; Northwest Territories ; Tree line ; Twentieth Century ; Vegetation
  • 1998
  • The Lone Tree landslide is located on the coast north of San Francisco, California, and is unusual in that it is positioned within the San Andreas fault zone. The focus of this paper is on the development of a model to analyse the frequency of wave
  • 1998
  • Algeria ; Applied ecology ; Forest ; Reforestation ; Stand treatment ; Tree species
  • 1998
  • Asia ; Forest ; Japan ; Korea ; Palaeobotany ; Palaeogeography ; Periglacial features ; Tree line ; Volcanism
  • 1998
  • Altitudinal zonation of vegetation ; Drought ; Island ; Mountain ; Plant species ; Trade wind ; Tree line ; Tropical climate ; Vegetation
  • 1998
  • Atmospheric pollution ; Biogeochemical cycle ; Biological indicator ; European part of Russia ; Pollution ; Quantitative ecology ; Saint Petersburg ; Tree
  • 1998
  • -age stands ; the latter exhibited old-age characteristics. Old-age stands and mixed-age stands ; the latter exhibited old-age characteristics. Old-age stands were found to be declining in tree sensity due to harvests and beetle outbreaks. Small
  • 1998
  • Cartography ; Forest ; Perception ; Remote sensing ; Research technique ; Scale ; Spectral reflectance ; Tree ; Vegetation
  • 1998
  • (55 years old) and an adjacent primary forest, using both direct and indirect measures. The nonspatial components included : the vertical complexity of the forests with respect to tree sizes/layers, a measure of species diversity, and the statistical
  • 1998
  • of the termite Macrotermes michaelseni. Shrubs and trees are able to colonize these mounds, which results in increased transpiration. As a result, precipitation of calcite and silica from the shallow ground water occurs preferentially beneath the mounds
  • 1998
  • units were selected : tree cover, sheep trials, shrub cover, hillslope grass and bottom grass. The importance of the soil water repellency on surface runoff generation is highlighted.
  • 1998
  • Asia ; Asian part of Russia ; Climatic variation ; Geomorphology ; High mountain ; Himalaya ; Holocene ; Human impact ; Mongolia ; Monsoon ; Permafrost ; Quaternary ; Rill wash ; Sakha ; Snow line ; Soil erosion ; Tibet ; Tree line
  • 1998
  • Canada ; Dendrochronology ; Dendrology ; Glacial features ; Glacier ; Glaciology ; Little ice age ; Methodology ; Moraine ; Rocky Mountains ; Tree line
  • 1998
  • Altitudinal zonation of vegetation ; Biogeography ; Forest ; Geo-ecology ; Human impact ; Landscape ecology ; Mexico ; Mountain ; Natural landscape ; Phytogeography ; Tree species ; Urbanization ; Vegetation ; Vegetation degradation ; Vegetation
  • 1998
  • Environment ; Environmental management ; Forest ; Forest policy ; Forest stand ; France ; Impact ; Industrial region ; Land development ; Leisure ; Lorraine ; Nature conservation ; Regional planning ; Stand treatment ; Tree species
  • 1998