The worldwide leaf economics spectrum
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Bringing together leaf trait data spanning 2,548 species and 175 sites we describe, for the first time at global scale, a universal spectrum of leaf economics consisting of key chemical, structural and physiological properties. The spectrum runs from quick to slow return on investments of nutrients and dry mass in leaves, and operates largely independently of growth form, plant functional type or biome. Categories along the spectrum would, in general, describe leaf economic variation at the global scale better than plant functional types, because functional types overlap substantially in their leaf traits. Overall, modulation of leaf traits and trait relationships by climate is surprisingly modest, although some striking and significant patterns can be seen. Reliable quantification of the leaf economics spectrum and its interaction with climate will prove valuable for modelling nutrient fluxes and vegetation boundaries under changing land-use and climate.
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Wright, I.; Groom, Philip; Lamont, Byron; Poot, P.; Prior, L.; Reich, P.; Schulze, E-D.; Veneklaas, E.; Westoby, M. (2004)Leaf trait data were compiled for 258 Australian plant species from several habitat types dominated by woody perennials. Specific leaf area (SLA), photosynthetic capacity, dark respiration rate and leaf nitrogen (N) and ...
Sexually dimorphic facial features vary according to level of autistic-like traits in the general populationGilani, S.; Tan, D.; Russell-Smith, S.; Maybery, M.; Mian, A.; Eastwood, Peter; Shafait, F.; Goonewardene, M.; Whitehouse, A. (2015)© 2015 Gilani et al.; licensee BioMed Central. Background: In a recent study, Bejerot et al. observed that several physical features (including faces) of individuals with an autism spectrum disorder (ASD) were more ...
Putting plant resistance traits on the map: a test of the idea that plants are better defended at lower latitudesMoles, A.; Wallis, I.; Foley, W.; Warton, D.; Stegen, J.; Bisigato, A.; Cella-Pizarro, L.; Clark, C.; Cohen, P.; Cornwell, W.; Edwards, W.; Ejrnaes, R.; Gonzalez-Ojeda, T.; Graae, B.; Hay, G.; Lumbwe, F.; Magana-Rodriquez, B.; Moore, B.; Peri, P.; Poulsen, J.; Veldtman, R.; von Zeipel, H.; Andrew, N.; Boulter, S.; Borer, E.; Fernandez Campon, F.; Coll, M.; Farji-Brener, A.; De Gabriel, J.; Jurado, E.; Kyhn, L.; Low, B.; Mulder, C.; Reardon-Smith, K.; Velazquez-Rodriguez, J.; Seabloom, E.; Vesk, P.; Cauter, A.; Waldram, M.; Zheng, Z.; Blendinger, P.; Enquist, B.; Facelli, J.; Knight, T.; Majer, Jonathan; Martinez-Ramos, M.; McQuillan, P.; Prior, L. (2011)It has long been believed that plant species from the tropics have higher levels of traits associated with resistance to herbivores than do species from higher latitudes. A meta-analysis recently showed that the published ...