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Mechanics and chemistry of rain forest leaves: canopy and understorey compared

Mechanics and chemistry of rain forest leaves: canopy and understorey compared,10.1093/jxb/erg224,Journal of Experimental Botany,Nathaniel J. Dominy,P

Mechanics and chemistry of rain forest leaves: canopy and understorey compared   (Citations: 21)
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Despite the potential for changes during transit or preservation, the physicochemical properties of leaves are typically measured in a laboratory setting. A suite of laboratory methods adapted for use in the field is described here. The equipment is portable and operable in remote environments. Each tech- nique has been validated against laboratory stand- ards and has been tested throughout the tropics in a variety of ecological contexts. The properties of can- opy and understorey leaves from Central Panama are reported here. The results show clear differences between leaves growing in different light regimes. Canopy leaves are tougher and possess greater con- centrations of protein, phenols, and tannins. The implication of these results to the resource availabil- ity hypothesis, which proposes trade-offs between physiology and defences against herbivory, is dis- cussed.
Journal: Journal of Experimental Botany - J EXP BOT , vol. 54, no. 390, pp. 2007-2014, 2003
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