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Book Sections Year : 2022

Anatomical, Developmental and Physiological Bases of Tree-Ring Formation in Relation to Environmental Factors

Abstract

Understanding the process of wood formation and its dynamics over the growing season is fundamental to interpret the isotopic signature of tree rings. Indeed, the isotopic signal recorded in wood does not only depend on the conditions influencing carbon, water, and nitrogen uptake in the leaves and roots, but also on how these elements are translocated to the stem and incorporated into the developing xylem. Depending on environmental conditions, tree developmental stage, and physiological status, wood formation dynamics can vary greatly and produce tree-ring structures carrying specific isotopic signatures. In this chapter, we present the physiological processes involved in wood formation, along with their relationships with anatomical, developmental, and environmental factors, to understand when and how photosynthetic assimilates are progressively incorporated into the forming xylem, creating the final isotopic signature of a tree ring. First, we review current knowledge
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hal-04226996 , version 1 (03-10-2023)

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Cyrille B K Rathgeber, Gonzalo Pérez de Lis Castro, Laura Fernández-De-Uña, Patrick Fonti, Sergio Rossi, et al.. Anatomical, Developmental and Physiological Bases of Tree-Ring Formation in Relation to Environmental Factors. Stable Isotopes in Tree Rings, 8, Springer International Publishing, pp.61 - 99, 2022, Tree Physiology, ⟨10.1007/978-3-030-92698-4_3⟩. ⟨hal-04226996⟩
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