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Article

Spanish

ID: <

HLygl6U-3QdM94q0Z-33-

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Where these data come from
Functional traits in the genus Quercus: breeding versus conservative approaches in resource use

Abstract

Species of the genus Quercus are one of the most abundant and important groups of ligneous plants in the Iberian Peninsula, their distribution being determined by water availability, soil type and management history. Knowledge of the variation in their morpho-functional characteristics can help us understand the degree of diversification of species of the same genus and the mechanisms that control their distribution patterns. The main objectives of this study are: (I) analyse the relationships between the different functional traits within the genus Quercus and how they are in line with resource collection strategies; and (ii) check whether there is coordination between the traits measured at leaf, stem and root level. Sampling was carried out in Sierra Morena (Córdoba) and Sierra del Aljibe (Cadiz), quantifying key functional features at leaf, stem, root, plant size and physiology level in five Quercus species (Q. canariensis, Q. coccifera, Q. faginea, Q. ilex and Q. suber). The results show that the different Quercus species have clear patterns in their functional strategies that are related to their distribution, finding a gradient from more conservative species in the use of resources under conditions of reduced water availability to more aromatic species in wetter areas. At the same time, there is coordination between the patterns of functional traits found at leaf, stem and root level, which supports the existence of a spectrum of economics at the level of the entire plant.

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