Dendrochronology and Dendroclimatology in the Mediterranean

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Ecology and Management".

Deadline for manuscript submissions: closed (20 August 2020) | Viewed by 3552

Special Issue Information

Dear Colleagues,

The development of tree-ring records for use in the development of climate reconstructions, and the testing and use of such reconstructions will be the focus of the Special Issue, titled “Dendrochronology and Dendroclimatology in the Mediterranean Basin” for the Journal of Forests (ISSN 1999-4907). The Mediterranean Basin is a water deficit region with a history of conflict over land and natural resources. The submitted manuscripts will contribute essential information about climatic variability in this region, and its role in global change. This will have relevance to the research-policy community. Dendrochronology is the science of tree-ring dating, by which the annual growth layers of trees may be assigned to the exact year of their formation. Dendrochronology has made a significant contribution to the science of climatology, specifically in the Mediterranean Basin. Dendroclimatology will place tree rings as natural archives of climate fluctuation in the context of interannual- to millennial-fluctuations in climate, and of other sources of evidence.

Dr. Ramzi Touchan
Guest Editor

Manuscript Submission Information

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Keywords

  • dendroclimatology
  • drought
  • climate variablity

Published Papers (1 paper)

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Research

24 pages, 14427 KiB  
Article
Climate Differently Impacts the Growth of Coexisting Trees and Shrubs under Semi-Arid Mediterranean Conditions
by Jesús Julio Camarero, Cristina Valeriano, Antonio Gazol, Michele Colangelo and Raúl Sánchez-Salguero
Forests 2021, 12(3), 381; https://doi.org/10.3390/f12030381 - 23 Mar 2021
Cited by 14 | Viewed by 2860
Abstract
Background and Objectives—Coexisting tree and shrub species will have to withstand more arid conditions as temperatures keep rising in the Mediterranean Basin. However, we still lack reliable assessments on how climate and drought affect the radial growth of tree and shrub species at [...] Read more.
Background and Objectives—Coexisting tree and shrub species will have to withstand more arid conditions as temperatures keep rising in the Mediterranean Basin. However, we still lack reliable assessments on how climate and drought affect the radial growth of tree and shrub species at intra- and interannual time scales under semi-arid Mediterranean conditions. Materials and Methods—We investigated the growth responses to climate of four co-occurring gymnosperms inhabiting semi-arid Mediterranean sites in northeastern Spain: two tree species (Aleppo pine, Pinus halepensis Mill.; Spanish juniper, Juniperus thurifera L.) and two shrubs (Phoenicean juniper, Juniperus phoenicea L.; Ephedra nebrodensis Tineo ex Guss.). First, we quantified the intra-annual radial-growth rates of the four species by periodically sampling wood samples during one growing season. Second, we quantified the climate–growth relationships at an interannual scale at two sites with different soil water availability by using dendrochronology. Third, we simulated growth responses to temperature and soil moisture using the forward, process-based Vaganov‒Shashkin (VS-Lite) growth model to disentangle the main climatic drivers of growth. Results—The growth of all species peaked in spring to early summer (May–June). The pine and junipers grew after the dry summer, i.e., they showed a bimodal growth pattern. Prior wet winter conditions leading to high soil moisture before cambium reactivation in spring enhanced the growth of P. halepensis at dry sites, whereas the growth of both junipers and Ephedra depended more on high spring–summer soil moisture. The VS-Lite model identified these different influences of soil moisture on growth in tree and shrub species. Conclusions—Our approach (i) revealed contrasting growth dynamics of co-existing tree and shrub species under semi-arid Mediterranean conditions and (ii) provided novel insights on different responses as a function of growth habits in similar drought-prone regions. Full article
(This article belongs to the Special Issue Dendrochronology and Dendroclimatology in the Mediterranean)
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