4 results on '"Ibrahimspahić, Aida"'
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2. Empirical and process-based models predict enhanced beech growth in European mountains under climate change scenarios: A multimodel approach
- Author
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Slovak Research and Development Agency, Slovenian Research Agency, Ministry of Civil Affairs of Bosnia and Herzegovina, Junta de Castilla y León, European Commission, Universidad Politécnica de Madrid, Ministry of Education, Science and Technological Development (Serbia), Ministry of Education and Science (Bulgaria), Bosela, Michal [0000-0001-6706-8614], Rubio-Cuadrado, Álvaro [0000-0001-5299-6063], Marcis, Peter [0000-0001-5143-3509], Merganičová, Katarina [0000-0003-4380-7472], Forrester, David I. [0000-0003-4546-3554], Uhl, Enno [0000-0002-7847-923X], Avdagić, Admir [0000-0001-5866-6946], Bellan, Michal [0000-0001-9602-4629], Bielak, Kamil [0000-0002-1327-4911], Bravo, Felipe [0000-0001-7348-6695], Coll, Lluís [0000-0002-8035-5949], Cseke, Klára [0000-0002-1728-5167], Río, Miren del [0000-0001-7496-3713], Dinca, Lucian [0000-0003-0399-3688], Dobor, Laura [0000-0001-6712-9827], Drozdowski, Stanisław [0000-0002-1253-7281], Giammarchi, Francesco [0000-0003-3999-3583], Gömöryová, Erika [0000-0002-0374-1168], Ibrahimspahić, Aida [0000-0002-2682-6463], Kašanin-Grubin, Milica [0000-0002-7764-2509], Klopcic, Matija [0000-0003-2619-9073], Kurylyak, Viktor [0000-0002-8647-6514], Montes, Fernando [0000-0001-5859-8533], Pach, Maciej [0000-0002-9833-867X], Ruiz-Peinado, Ricardo [0000-0003-0126-1651], Skrzyszewski, Jerzy [0000-0003-4330-5827], Stajić, Branko [0000-0001-8542-3173], Stojanovic, Dejan [0000-0003-2967-2049], Svoboda, Miroslav [0000-0003-4050-3422], Tonon, Giustino [0000-0002-4851-0662], Mitrovic, Suzana [0000-0003-1855-4418], Zlatanov, Tzvetan [0000-0003-4205-3429], Pretzsch, Hans [0000-0002-4958-1868], Tognetti, Roberto [0000-0002-7771-6176], Bosela, Michal, Rubio-Cuadrado, Álvaro, Marcis, Peter, Merganičová, Katarina, Fleischer, Peter, Forrester, David I., Uhl, Enno, Avdagić, Admir, Bellan, Michal, Bielak, Kamil, Bravo, Felipe, Coll, Lluís, Cseke, Klára, Río, Miren del, Dinca, Lucian, Dobor, Laura, Drozdowski, Stanisław, Giammarchi, Francesco, Gömöryová, Erika, Ibrahimspahić, Aida, Kašanin-Grubin, Milica, Klopcic, Matija, Kurylyak, Viktor, Montes, Fernando, Pach, Maciej, Ruiz-Peinado, Ricardo, Skrzyszewski, Jerzy, Stajić, Branko, Stojanovic, Dejan, Svoboda, Miroslav, Tonon, Giustino, Versace, Soraya, Mitrovic, Suzana, Zlatanov, Tzvetan, Pretzsch, Hans, Tognetti, Roberto, Slovak Research and Development Agency, Slovenian Research Agency, Ministry of Civil Affairs of Bosnia and Herzegovina, Junta de Castilla y León, European Commission, Universidad Politécnica de Madrid, Ministry of Education, Science and Technological Development (Serbia), Ministry of Education and Science (Bulgaria), Bosela, Michal [0000-0001-6706-8614], Rubio-Cuadrado, Álvaro [0000-0001-5299-6063], Marcis, Peter [0000-0001-5143-3509], Merganičová, Katarina [0000-0003-4380-7472], Forrester, David I. [0000-0003-4546-3554], Uhl, Enno [0000-0002-7847-923X], Avdagić, Admir [0000-0001-5866-6946], Bellan, Michal [0000-0001-9602-4629], Bielak, Kamil [0000-0002-1327-4911], Bravo, Felipe [0000-0001-7348-6695], Coll, Lluís [0000-0002-8035-5949], Cseke, Klára [0000-0002-1728-5167], Río, Miren del [0000-0001-7496-3713], Dinca, Lucian [0000-0003-0399-3688], Dobor, Laura [0000-0001-6712-9827], Drozdowski, Stanisław [0000-0002-1253-7281], Giammarchi, Francesco [0000-0003-3999-3583], Gömöryová, Erika [0000-0002-0374-1168], Ibrahimspahić, Aida [0000-0002-2682-6463], Kašanin-Grubin, Milica [0000-0002-7764-2509], Klopcic, Matija [0000-0003-2619-9073], Kurylyak, Viktor [0000-0002-8647-6514], Montes, Fernando [0000-0001-5859-8533], Pach, Maciej [0000-0002-9833-867X], Ruiz-Peinado, Ricardo [0000-0003-0126-1651], Skrzyszewski, Jerzy [0000-0003-4330-5827], Stajić, Branko [0000-0001-8542-3173], Stojanovic, Dejan [0000-0003-2967-2049], Svoboda, Miroslav [0000-0003-4050-3422], Tonon, Giustino [0000-0002-4851-0662], Mitrovic, Suzana [0000-0003-1855-4418], Zlatanov, Tzvetan [0000-0003-4205-3429], Pretzsch, Hans [0000-0002-4958-1868], Tognetti, Roberto [0000-0002-7771-6176], Bosela, Michal, Rubio-Cuadrado, Álvaro, Marcis, Peter, Merganičová, Katarina, Fleischer, Peter, Forrester, David I., Uhl, Enno, Avdagić, Admir, Bellan, Michal, Bielak, Kamil, Bravo, Felipe, Coll, Lluís, Cseke, Klára, Río, Miren del, Dinca, Lucian, Dobor, Laura, Drozdowski, Stanisław, Giammarchi, Francesco, Gömöryová, Erika, Ibrahimspahić, Aida, Kašanin-Grubin, Milica, Klopcic, Matija, Kurylyak, Viktor, Montes, Fernando, Pach, Maciej, Ruiz-Peinado, Ricardo, Skrzyszewski, Jerzy, Stajić, Branko, Stojanovic, Dejan, Svoboda, Miroslav, Tonon, Giustino, Versace, Soraya, Mitrovic, Suzana, Zlatanov, Tzvetan, Pretzsch, Hans, and Tognetti, Roberto
- Abstract
Process-based models and empirical modelling techniques are frequently used to (i) explore the sensitivity of tree growth to environmental variables, and (ii) predict the future growth of trees and forest stands under climate change scenarios. However, modelling approaches substantially influence predictions of the sensitivity of trees to environmental factors. Here, we used tree-ring width (TRW) data from 1630 beech trees from a network of 70 plots established across European mountains to build empirical predictive growth models using various modelling approaches. In addition, we used 3-PG and Biome-BGCMuSo process-based models to compare growth predictions with derived empirical models. Results revealed similar prediction errors (RMSE) across models ranging between 3.71 and 7.54 cm2 of basal area increment (BAI). The models explained most of the variability in BAI ranging from 54 % to 87 %. Selected explanatory variables (despite being statistically highly significant) and the pattern of the growth sensitivity differed between models substantially. We identified only five factors with the same effect and the same sensitivity pattern in all empirical models: tree DBH, competition index, elevation, Gini index of DBH, and soil silt content. However, the sensitivity to most of the climate variables was low and inconsistent among the empirical models. Both empirical and process-based models suggest that beech in European mountains will, on average, likely experience better growth conditions under both 4.5 and 8.5 RCP scenarios. The process-based models indicated that beech may grow better across European mountains by 1.05 to 1.4 times in warmer conditions. The empirical models identified several drivers of tree growth that are not included in the current process-based models (e.g., different nutrients) but may have a substantial effect on final results, particularly if they are limiting factors. Hence, future development of process-based models may build upon our findi
- Published
- 2023
3. Temperature effect on size distributions in spruce-fir-beech mixed stands across Europe
- Author
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del Rio, Miren [0000-0001-7496-3713], Forrester, David I. [0000-0003-4546-3554], Condés, Sonia, Río, Miren del, Forrester, David I., Avdagić, Admir, Bielak, Kamil, Bončina, Andrej, Bosela, Michal, Hilmers, Torben, Ibrahimspahić, Aida, Drozdowski, Stanisław, Jaworski, Andrzej, Nagel, Thomas A., Sitkova, Zuzana, Skrzyszewski, Jerzy, Tognetti, Roberto, Tonon, Giustino, Zlatanov, Tzvetan, Pretzsch, Hans, del Rio, Miren [0000-0001-7496-3713], Forrester, David I. [0000-0003-4546-3554], Condés, Sonia, Río, Miren del, Forrester, David I., Avdagić, Admir, Bielak, Kamil, Bončina, Andrej, Bosela, Michal, Hilmers, Torben, Ibrahimspahić, Aida, Drozdowski, Stanisław, Jaworski, Andrzej, Nagel, Thomas A., Sitkova, Zuzana, Skrzyszewski, Jerzy, Tognetti, Roberto, Tonon, Giustino, Zlatanov, Tzvetan, and Pretzsch, Hans
- Abstract
Forest composed of Picea abies L., Abies alba Mill. and Fagus sylvatica L. cover a large area in the European mountain regions and have a high ecological and socio-economic importance as they supply many ecosystems services. Because of climate change, these forests are exposed to warming, and this effect increases with elevation, which may impact their delivery of goods and services. Previous studies did not find significant changes in the overall productivity of these species over the last 30 years, but they observed changes in species competitiveness at the species and tree levels. In this study, we aimed to link previous results on tree, species and stand level growth in spruce-fir-beech mixed mountain forests by analysing species size distribution dynamics under different climate conditions and their effect on stand growth. We developed a matrix model based on data from 76 long-term experimental plots distributed throughout Europe. We used the change in stand basal area to explore whether temperature modifies species size dominances and proportions, whether the temperature effects on changes in species basal area depend on species size dominance, and whether the effect of species size dominance on changes in the stand basal area varies with temperature. Our results showed that annual mean temperature is an important climatic driver of species dynamics in spruce-fir-beech mixed mountain forests, such that stand basal area growth was favored by higher temperatures, particularly due to positive responses of silver fir which were greater than negative effects of temperature on European beech. The high temperatures also favored the size-dominance of silver fir, while European beech tended to have smaller diameters, independent of the temperature. We also found that the identity of the size-dominant species also influenced changes in stand basal area, with the highest or the lowest changes when Norway spruce and European beech were the size-dominant species, respectiv
- Published
- 2022
4. Temperature effect on size distributions in spruce-fir-beech mixed stands across Europe
- Author
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Condés, Sonia, primary, del Río, Miren, additional, Forrester, David I., additional, Avdagić, Admir, additional, Bielak, Kamil, additional, Bončina, Andrej, additional, Bosela, Michal, additional, Hilmers, Torben, additional, Ibrahimspahić, Aida, additional, Drozdowski, Stanisław, additional, Jaworski, Andrzej, additional, Nagel, Thomas A., additional, Sitková, Zuzana, additional, Skrzyszewski, Jerzy, additional, Tognetti, Roberto, additional, Tonon, Giustino, additional, Zlatanov, Tzvetan, additional, and Pretzsch, Hans, additional
- Published
- 2022
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