Plant species distribution across two contrasting treeline ecotones in the Spanish Pyrenees

  title={Plant species distribution across two contrasting treeline ecotones in the Spanish Pyrenees},
  author={Jesus Julio Camarero and Emilia Guti{\'e}rrez},
  journal={Plant Ecology},
We describe the structure of two contrasting (elevation, topography,climate, vegetation, soil) alpine forest–pasture ecotones located in theCentral Pyrenees (sites Ordesa, O, and Tessó, T). We define ecotonestructure as the spatial distribution of trees of different size classes andgrowth-forms and the relationship between these aspects and the spatialdistribution of understory vegetation and substrate. The studied ecotones aredominated by Pinus uncinata Ram. and have been littleaffected by… CONTINUE READING
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