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Título

Evergreens favored by higher responsiveness to increased CO2

AutorNiinemets, Ü.; Peñuelas, Josep; Flexas, Jaume
Fecha de publicación2011
EditorElsevier
CitaciónTrends in Ecology and Evolution 26: 136-142 (2011)
ResumenPhysical CO2 diffusion from sub-stomatal cavities to the chloroplasts where photosynthesis takes place is an important limitation of photosynthesis largely neglected in research related to global climate change. This limitation is particularly important in leaves with robust structures such as evergreen sclerophylls. In these leaves, photosynthesis is less sensitive to changes in stomatal openness, which is considered to be the primary limitation of photosynthesis. In this review we state that, because of large limitations in internal diffusion in C3 plants, photosynthesis and the intrinsic efficiency of the use of plant water responds more strongly to elevated levels of CO2 in leaves with more robust structures. This provides an additional explanation for the current apparent expansion of evergreen sclerophylls in many Earth ecosystems, and adds a new perspective to research of the biological effects of increasing atmospheric CO2.
Descripción7 páginas, 2 figuras.
Versión del editorhttp://dx.doi.org/10.1016/j.tree.2010.12.012
URIhttp://hdl.handle.net/10261/55237
DOI10.1016/j.tree.2010.12.012
ISSN0169-5347
E-ISSN1872-8383
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