What is it about?
This study aimed to evaluate, through a dendroecological analysis of riparian trees, the strength of the climatic and hydrological signals retained in the tree-ring widths and to detect a critical water-level threshold affecting tree resilience and growth recovery.
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Why is it important?
In the Mediterranean region, the coupled effect of recent changes in climatic features and an increase in human related water demand induced a progressive reduction in the water level of many lakes. Consequently, intense withdrawals for public supply can affect the health of lake ecosystems and increase trees’ vulnerability to predicted drought intensification effects.
Perspectives
Tree-rings of riparian species appear to be a useful tool to detect critical water levels after the intensive water withdrawals and the increase in dry conditions occurred in the past few decades. This finding may support lake water withdrawal regulation for riparian ecosystem protection and conservation under future drought intensification.
Piermaria Corona
CREA Research Centre for Forestry and Wood
Read the Original
This page is a summary of: Climatic and anthropogenic influence on tree-ring growth in riparian lake forest ecosystems under contrasting disturbance regimes, Agricultural and Forest Meteorology, September 2020, Elsevier,
DOI: 10.1016/j.agrformet.2020.108036.
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