Age effects on the climatic signal in Araucaria araucana from xeric sites in Patagonia, Argentina

• Published in: Plant ecology & diversity Vol. 8; no. 3; pp. 343 - 351
• Main Authors: Hadad, Martín A, Roig Juñent, Fidel A, Boninsegna, José A, Patón, Daniel
• Format: Journal Article
• Language: English
• Published: Abingdon Taylor & Francis 04.05.2015; Taylor & Francis Ltd
• Subjects: age class; age structure; air temperature; Araucaria araucana; cambium; climate; dendroclimatology; environmental factors; growing season; growth rings; pehuén; photosynthesis; SAM; spring; summer; tree age; tree growth; tree-ring; trees; water stress; Argentina

Background: At different cambial ages, trees experience changes in their structure and interactions with environmental conditions. Reciprocal mechanisms between tree age and physical resources, photosynthetic rates, and xylem production may influence hydraulic resistance and plant water stress. Howe...