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Altitudinal effects on leaf morphology and their implications of plasticity in Piper species, November 2001

Chambers, Rachel

Digital Commons @ University of South Florida 2001

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  • Título:
    Altitudinal effects on leaf morphology and their implications of plasticity in Piper species, November 2001
  • Autor: Chambers, Rachel
  • Assuntos: CIEE Fall 2001 ; Plant morphology
  • Notas: Tropical Ecology and Conservation [Monteverde Institute]
  • Descrição: Leaf morphology is affected by environmental conditions and has therefore been studied in response to many environmental factors, including altitudinal gradients, which can be used to show responses to climatic changes of temperature and moisture. The ability of a plant to respond morphologically to its environment should influence the extent of its range along a gradient of changing environmental conditions. This study shows changes in width/length ratios, surface area, toughness, and petiole length of both young and old leaves within three Piper species along an altitudinal gradient. The ranges of two species, P. amalago and P. dotanum, extend to the end of the premontane wet forest in San Luis, Costa Rica, while the third species, P. hispidum extends into the lower montane wet forest in the Monteverde Cloud Forest Preserve. As expected, P. hispidum shows greater morphological response to climatic changes with altitude, especially in width/length ratios (2-way ANOVA; p = 0.0012) and toughness (2-way ANOVA; p = <0.0001). This plasticity may therefore be the reason for P. hispidum's presence in the lower montane wet forest, where the other two species are not found. https://digitalcommons.usf.edu/tropical_ecology/1151/thumbnail.jpg
  • Editor: Digital Commons @ University of South Florida
  • Data de criação/publicação: 2001
  • Idioma: Inglês;Espanhol
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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