Mediterranean Pine Forest Distribution: Assessing Vulnerability and Resilience Under Climate Change

Herrero, Asier; Ruiz‐Benito, Paloma; Andivia, Enrique; Madrigal‐González, Jaime; Villar-Salvador, Pedro; Ratcliffe, Sophia; Zavala, M.

doi:10.1007/978-3-030-63625-8_13

Cited by 3 publications

(2 citation statements)

References 151 publications

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“…Moreover, warm PDO phases, in conjunction with El Niño-Southern Oscillation (ENSO) events, have led to severe droughts, including those in the Mediterranean basin 43 . Positive NAO and AMO phases can decrease forest productivity due to increased aridity 109 . While during periods of positive PDO conditions contrasting patterns emerge, negative PDO conditions tend to enhance rainfall over the western European Mediterranean area and result in cooler temperatures in Scandinavia 110 .…”

Section: Methodsmentioning

confidence: 99%

A millennium-long perspective on recent groundwater changes in the Iberian Peninsula

Diodato,

Seim,

Ljungqvist

et al. 2024

Commun Earth Environ

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Groundwater dynamics are often overlooked within historical climatology because of their complexity and the influence of multiple factors. This study presents a groundwater model for Spain, using an existing tree-ring based summer drought reconstruction to estimate the groundwater depth in Castile and León (northwestern Spain) over the 1056–2020 CE period. Spanish groundwater volume fluctuations are found to be associated with quasi-decadal variations in the North Atlantic and Pacific Oceans. The reconstructed annual groundwater depth shows significant oscillations around a mean value of 123 m. Changes in groundwater depths include a wet medieval period ( ~ 1056–1200 CE), recurring megadroughts during parts of the Little Ice Age (~1471–1600 CE), and unprecedentedly large variations during recent decades. Aligning with previous studies for the Iberian Peninsula, our new modelling approach highlights the need to enhance groundwater resilience in anticipation of potentially worsening future drought trends across the Mediterranean.

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Section: Methodsmentioning

confidence: 99%

A millennium-long perspective on recent groundwater changes in the Iberian Peninsula

Diodato,

Seim,

Ljungqvist

et al. 2024

Commun Earth Environ

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“…15 million ha (Astigarraga et al, 2020). Therefore, assessing how they respond to drought is fundamental to advance in our understanding of how future Spanish forests will look like in the near future (Andreu et al, 2007;Camarero et al, 2021a;Herrero et al, 2021). Poleward and upward migrations of Mediterranean tree species are forecasted in the long-term (Buras and Menzel, 2019), but these projections should also consider the role played by drought as constraint of performance in some pine species (Andreu et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Mixed Pine Forests in a Hotter and Drier World: The Great Resilience to Drought of Aleppo Pine Benefits It Over Other Coexisting Pine Species

Gazol¹,

Oliva²,

Valeriano³

et al. 2022

Front. For. Glob. Change

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Drought is an important driver of forest dynamics in the Mediterranean region. The forecasted increase in drought frequency and severity can notably influence tree growth, forest structure, composition and productivity. Understanding how coexisting tree species respond to drought is thus crucial to understand which are less vulnerable and will perform better in a warmer and drier world. To assess drought vulnerability, we used dendrochronology to study the radial growth trends and responses to a drought index of four pine species (Pinus halepensis, Pinus pinea, Pinus nigra, and Pinus sylvestris) coexisting in North-eastern Spain. We reconstructed the growth of each species and evaluated their short- and long-term growth response to drought for the common period 1980–2017. The growth of the four pine species depended on water availability and high early spring temperatures impacted the growth of P. nigra and P. sylvestris negatively. The occurrence of a severe drought between 2005 and 2007 lead to marked growth reductions in the four species, but it was greater in magnitude in P. pinea and P. halepensis in 2005, and in P. nigra in 2007. The results of basal area increment models at the individual tree level suggested that P. halepensis trees grow more than the rest of species. After accounting for age and drought effects, P. nigra and P. sylvestris displayed negative growth trends in the 2008–2017 period while P. pinea and P. halepensis displayed positive growth trends. P. sylvestris was the most resistant species and P. pinea the less resistant. Conversely, P. halepensis and P. pinea were slightly more resilient than P. sylvestris. Moreover, P. sylvestris was the species displaying the highest autocorrelation and the lowest coefficient of variation in ring-width indices. A marked drop in the autocorrelation of P. pinea ring-width index was observed in response to the 2005 drought. These results indicate that all study species are vulnerable to drought but in different degrees. The strong resilience capacity of P. halepensis suggests that it will better thrive in a drier future, but mixed pine forests, such as the one here studied, may contract or become rare due to the strong sensitivity of P. pinea to drought and the lower post-drought performance of P. nigra and P. sylvestris.

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Elevational changes in climate response of Pinus nigra pallasiana tree-rings on the Crimean Peninsula

2023

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Mediterranean Pine Forest Distribution: Assessing Vulnerability and Resilience Under Climate Change

Cited by 3 publications

References 151 publications

A millennium-long perspective on recent groundwater changes in the Iberian Peninsula

A millennium-long perspective on recent groundwater changes in the Iberian Peninsula

Mixed Pine Forests in a Hotter and Drier World: The Great Resilience to Drought of Aleppo Pine Benefits It Over Other Coexisting Pine Species

Elevational changes in climate response of Pinus nigra pallasiana tree-rings on the Crimean Peninsula

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