Growth response to climate and drought change along an aridity gradient in the southernmost Pinus nigra relict forests

Camarero, J. Julio; Manzanedo, Rubén D.; Sánchez‐Salguero, Raúl; Navarro-Cerrillo, Rafael M.

doi:10.1007/s13595-013-0321-9

Cited by 92 publications

(78 citation statements)

References 25 publications

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“…According to the used climate projections, a similar frequency of the P. nigra forest decay expected for the last two decades of the 20th century in Hungary as it was observed in the last two decades. These results reflect the observations that tree populations at the rear edge of the natural distribution are sensitive to climate stress and drought (Camarero et al 2013). Our results indicate that though P. nigra can grow on thin, carbonate-rich soils from 2 cm of mean soil level, the growing rate of P. nigra showed strong correlation with soil depth.…”

Section: Discussionsupporting

confidence: 89%

Modelling the growth of young individuals of Pinus nigra on thin carbonate soils under climate change in Hungary

Tràjer

Bede‐Fazekas

Hammer

et al. 2015

Acta Botanica Hungarica

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Climate change highly impacts on tree growth and also threatens the forest of the karstic terrains. From the 1980s the frequency of decay events of the Pinus nigra Arnold forests showed a marked increase in Hungary. To understanding the vulnerability of Pinus nigra forests to climate change on shallow karstic soils in continental-sub Mediterranean climatic conditions we developed the study of three sampled population in the typical karstic landscape of Veszprém in North Transdanubia. We built our model on non-invasive approach using the annual growth of the individuals. MPI Echam5 climate model and as aridity index the Thornthwaite Agrometeorological Index were used. Our results indicate that soil thickness up to 11 cm has a major influence on the main growth intensity, however, aridity determines the annual growth rate. Our model results showed that the increasing decay frequency in the last decades was a parallel change to the decreasing growth rate of pines. The climate model predicts the similar, increased decay frequency to the presents. Our results can be valid for a wider areas of the periphery of Mediterranean climate zone while the annual-growth based model is a cost-effective and simple method to study the vitality of pine trees in a given area.

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Section: Discussionsupporting

confidence: 89%

Modelling the growth of young individuals of Pinus nigra on thin carbonate soils under climate change in Hungary

Tràjer

Bede‐Fazekas

Hammer

et al. 2015

Acta Botanica Hungarica

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“…Low growth rates were caused by warming-induced drought stress; specifically, water deficit in spring, as documented in other Iberian pine forests [15]. However, tree age and size may influence the low-growth periods of P. pinaster in complex ways [45], although the naturally regenerated and planted trees had similar size (DBH) and age within each stand type.…”

Section: Climate-and Drought-growth Relationships In Planted and Natumentioning

confidence: 91%

“…It is considered a drought-avoiding species [27]. Dendrochronology has been used to study this species because of its sensitivity in response to climate stress and its relatively high longevity [15,17,25,[27][28][29].…”

Section: Study Sites and Tree Speciesmentioning

confidence: 99%

“…Our findings echo those observed previously for the study species in Spain [17,25,28,49], namely, a positive correlation between radial growth and cool-wet spring conditions which can stimulate cambial dynamics, thereby resulting in increased production of earlywood and enhanced growth. On the contrary, warm-dry spring conditions may reduce growth through exhaustion of soil-water reserves before the summer dry season [15,29].…”

Section: Climate-and Drought-growth Relationships In Planted and Natumentioning

confidence: 99%

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Cumulative Drought Stress Leads to a Loss of Growth Resilience and Explains Higher Mortality in Planted than in Naturally Regenerated Pinus pinaster Stands

Navarro-Cerrillo

Rodriguez-Vallejo

Silveiro

et al. 2018

Forests

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Abstract:The assessment of the long-term impacts of drought on tree growth decline using tree-ring analyses may be used to test if plantations are more vulnerable to warming after successive droughts, leading to a "cumulative stress" effect. We selected 76 Pinus pinaster trees (declining and non-declining trees), and basal area increments over the last 20 years (BAI 20 ) were calculated to build the chronologies for the stand types and vigor classes. Resistance, recovery and resilience indices were calculated. Pearson correlations, analyses and Partial Least-Squares regression were used to analyze the relationships among the response and environmental variables. We found a negative and significant relationship between mean temperature for May and June of the current year and growth in the naturally regenerated stands. This negative effect on growth under warm spring conditions was more noticeable in plantations than in naturally regenerated stands. A negative trend along time was found for the resilience index in planted stands. Evapotranspiration, maximum temperature and annual radiation showed significant and negative correlations with the growth of declining trees from planted stands, indicating they are susceptible to drought stress. Declining trees in planted stands showed a loss of growth resilience, specifically a negative trend after successive droughts.

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“…Finally, there is the standardized precipitation and evapotranspiration index (SPEI), which is based on the same terms as the SPI but includes a temperature component in terms of evapotranspiration in the equation (VicenteSerrano et al 2010). Both SPI and SPEI have been recognized as effective indices for identifying dry and pluvial periods in the Mediterranean pine forests (Pasho et al 2011;Camarero et al 2013).…”

Section: Original Papermentioning

confidence: 99%

Tree-ring-based drought reconstruction in the Iberian Range (east of Spain) since 1694

et al. 2015

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Droughts are a recurrent phenomenon in the Mediterranean basin with negative consequences for society, economic activities, and natural systems. Nevertheless, the study of drought recurrence and severity in Spain has been limited so far due to the relatively short instrumental period. In this work, we present a reconstruction of the standardized precipitation index (SPI) for the Iberian Range. Growth variations and climatic signals within the network are assessed developing a correlation matrix and the data combined to a single chronology integrating 336 samples from 169 trees of five different pine species distributed throughout the province of Teruel. The new chronology, calibrated against regional instrumental climatic data, shows a high and stable correlation with the July SPI integrating moisture conditions over 12 months forming the basis for a 318-year drought reconstruction. The climate signal contained in this reconstruction is highly significant (p<0.05) and spatially robust over the interior areas of Spain located above 1000 meters above sea level (masl). According to our SPI reconstruction, seven substantially dry and five wet periods are identified since the late seventeenth century considering ≥±1.76 standard deviations. Besides these, 36 drought and 28 pluvial years were identified. Some of these years, such as 1725, 1741, 1803, and 1879, are also revealed in other drought reconstructions in Romania and Turkey, suggesting that coherent larger-scale synoptic patterns drove these extreme deviations. Since regional drought deviations are also retained in historical documents, the tree-ringbased reconstruction presented here will allow us to crossvalidate drought frequency and magnitude in a highly vulnerable region.

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Growth response to climate and drought change along an aridity gradient in the southernmost Pinus nigra relict forests

Cited by 92 publications

References 25 publications

Modelling the growth of young individuals of Pinus nigra on thin carbonate soils under climate change in Hungary

Modelling the growth of young individuals of Pinus nigra on thin carbonate soils under climate change in Hungary

Cumulative Drought Stress Leads to a Loss of Growth Resilience and Explains Higher Mortality in Planted than in Naturally Regenerated Pinus pinaster Stands

Tree-ring-based drought reconstruction in the Iberian Range (east of Spain) since 1694

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