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3. Biotic threats for 23 major non-native tree species in Europe

Author

Pötzelsberger, Elisabeth, Gossner, Martin M., Beenken, Ludwig, Gazda, Anna, Petr, Michal, Ylioja, Tiina, La Porta, Nicola, Avtzis, Dimitrios N., Bay, Elodie, De Groot, Maarten, Drenkhan, Rein, Duduman, Mihai-Leonard, Enderle, Rasmus, Georgieva, Margarita, Hietala, Ari M., Hoppe, Björn, Jactel, Hervé, Jarni, Kristjan, Keren, Srđan, Keseru, Zsolt, Koprowski, Marcin, Kormuťák, Andrej, Lombardero, María Josefa, Lukjanova, Aljona, Marozas, Vitas, Mauri, Edurad, Monteverdi, Maria Cristina, Nygaard, Per Holm, Ogris, Nikica, Olenici, Nicolai, Orazio, Christophe, Perny, Bernhard, Pinto, Glória, Power, Michael, Puchalka, Radoslaw, Ravn, Hans Peter, Sevillano, Ignacio, Stroheker, Sophie, Taylor, Paul, Tsopelas, Panagiotis, Urban, Josef, Voolma, Kaljo, Westergren, Marjana, Witzell, Johanna, Zborovska, Olga, and Zlatkovic, Milica

Published
2021
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4. Recent summer precipitation trends in the Greater Horn of Africa and the emerging role of Indian Ocean sea surface temperature

Author

Williams, A Park, Funk, Chris, Michaelsen, Joel, Rauscher, Sara A, Robertson, Iain, Wils, Tommy HG, Koprowski, Marcin, Eshetu, Zewdu, and Loader, Neil J

Subjects
Climate Action, African monsoon, Indian Ocean warming, Drought, Moisture transports, Energy flux, Tree rings, Stable isotopes, Global warming, Food security, Atmospheric Sciences, Oceanography, Physical Geography and Environmental Geoscience, Meteorology & Atmospheric Sciences
Published
2012

5. The climate in Poland (central Europe) in the first half of the last millennium, revisited.

Author

Przybylak, Rajmund, Oliński, Piotr, Koprowski, Marcin, Szychowska-Krąpiec, Elżbieta, Krąpiec, Marek, Pospieszyńska, Aleksandra, and Puchałka, Radosław

Subjects
FIFTEENTH century, WEATHER, HISTORICAL source material, COLD (Temperature), FOURTEENTH century, DENDROCHRONOLOGY, WINTER
Abstract

The article presents updated knowledge on climate change in Poland (central Europe) in the first half of the last millennium (1001–1500). This knowledge is required to delimit the existence, duration, and scale of the Medieval Warm Period (MWP, also called the Medieval Climate Anomaly, MCA, here). To this end, it employs all available quantitative climate reconstructions created for Poland in the last 2 decades and four new reconstructions using three dendrochronological series and an extensive database of historical source data on weather conditions. The growth of conifers in lowland and upland Poland depends on the temperature in the cold season, especially in February and March. All available reconstructions based on dendrochronology data represent this time of the year. Summer temperatures were reconstructed using biological proxies and documentary evidence. The latter, however, is limited to the 15th century only. Winter temperature was used as the proxy for annual temperature proxies instead of the more usual use of summer temperature. The MWP occurred in Poland probably from the late 12th century to the first halves of the 14th or 15th centuries. All the analysed quantitative reconstructions suggest that the MWP in Poland was comparable to or warmer than the mean temperature in the period 1951–2000. The coldest conditions in the entire study period were noted in the first half of the 11th century (both winter and summer) and the second half of the 15th century (only winter). The greatest climate continentality occurred in the 15th century. Good agreement was found between the reconstructions of Poland's climate and many reconstructions available for Europe. [ABSTRACT FROM AUTHOR]

Published
2023
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6. Impact of non-native tree species in Europe on soil properties and biodiversity: a review

Author

Wohlgemuth, Thomas, primary, Gossner, Martin M., additional, Campagnaro, Thomas, additional, Marchante, Hélia, additional, van Loo, Marcela, additional, Vacchiano, Giorgio, additional, Castro-Díez, Pilar, additional, Dobrowolska, Dorota, additional, Gazda, Anna, additional, Keren, Srdjan, additional, Keserű, Zsolt, additional, Koprowski, Marcin, additional, La Porta, Nicola, additional, Marozas, Vitas, additional, Nygaard, Per Holm, additional, Podrázský, Vilém, additional, Puchałka, Radosław, additional, Reisman-Berman, Orna, additional, Straigytė, Lina, additional, Ylioja, Tiina, additional, Pötzelsberger, Elisabeth, additional, and Silva, Joaquim S., additional

Published
2022
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8. Tropical tree growth driven by dry-season climate variability

Author

Zuidema, Pieter A., Babst, Flurin, Groenendijk, Peter, Trouet, Valerie, Abiyu, Abrham, Acuña-Soto, Rodolfo, Adenesky-Filho, Eduardo, Alfaro-Sánchez, Raquel, Aragão, José Roberto Vieira, Assis-Pereira, Gabriel, Bai, Xue, Barbosa, Ana Carolina, Battipaglia, Giovanna, Beeckman, Hans, Botosso, Paulo Cesar, Bradley, Tim, Bräuning, Achim, Brienen, Roel, Buckley, Brendan M., Camarero, J. Julio, Carvalho, Ana, Ceccantini, Gregório, Centeno-Erguera, Librado R., Cerano-Paredes, Julián, Chávez-Durán, Álvaro Agustín, Cintra, Bruno Barçante Ladvocat, Cleaveland, Malcolm K., Couralet, Camille, D’Arrigo, Rosanne, del Valle, Jorge Ignacio, Dünisch, Oliver, Enquist, Brian J., Esemann-Quadros, Karin, Eshetu, Zewdu, Fan, Ze Xin, Ferrero, M. Eugenia, Fichtler, Esther, Fontana, Claudia, Francisco, Kainana S., Gebrekirstos, Aster, Gloor, Emanuel, Granato-Souza, Daniela, Haneca, Kristof, Harley, Grant Logan, Heinrich, Ingo, Helle, Gerd, Inga, Janet G., Islam, Mahmuda, Jiang, Yu mei, Kaib, Mark, Khamisi, Zakia Hassan, Koprowski, Marcin, Kruijt, Bart, Layme, Eva, Leemans, Rik, Leffler, A. Joshua, Lisi, Claudio Sergio, Loader, Neil J., Locosselli, Giuliano Maselli, Lopez, Lidio, López-Hernández, María I., Lousada, José Luís Penetra Cerveira, Mendivelso, Hooz A., Mokria, Mulugeta, Montóia, Valdinez Ribeiro, Moors, Eddy, Nabais, Cristina, Ngoma, Justine, Nogueira Júnior, Francisco de Carvalho, Oliveira, Juliano Morales, Olmedo, Gabriela Morais, Pagotto, Mariana Alves, Panthi, Shankar, Pérez-De-Lis, Gonzalo, Pucha-Cofrep, Darwin, Pumijumnong, Nathsuda, Rahman, Mizanur, Ramirez, Jorge Andres, Requena-Rojas, Edilson Jimmy, Ribeiro, Adauto de Souza, Robertson, Iain, Roig, Fidel Alejandro, Rubio-Camacho, Ernesto Alonso, Sass-Klaassen, Ute, Schöngart, Jochen, Sheppard, Paul R., Slotta, Franziska, Speer, James H., Therrell, Matthew D., Toirambe, Benjamin, Tomazello-Filho, Mario, Torbenson, Max C.A., Touchan, Ramzi, Venegas-González, Alejandro, Villalba, Ricardo, Villanueva-Diaz, Jose, Vinya, Royd, Vlam, Mart, Wils, Tommy, Zhou, Zhe Kun, Zuidema, Pieter A., Babst, Flurin, Groenendijk, Peter, Trouet, Valerie, Abiyu, Abrham, Acuña-Soto, Rodolfo, Adenesky-Filho, Eduardo, Alfaro-Sánchez, Raquel, Aragão, José Roberto Vieira, Assis-Pereira, Gabriel, Bai, Xue, Barbosa, Ana Carolina, Battipaglia, Giovanna, Beeckman, Hans, Botosso, Paulo Cesar, Bradley, Tim, Bräuning, Achim, Brienen, Roel, Buckley, Brendan M., Camarero, J. Julio, Carvalho, Ana, Ceccantini, Gregório, Centeno-Erguera, Librado R., Cerano-Paredes, Julián, Chávez-Durán, Álvaro Agustín, Cintra, Bruno Barçante Ladvocat, Cleaveland, Malcolm K., Couralet, Camille, D’Arrigo, Rosanne, del Valle, Jorge Ignacio, Dünisch, Oliver, Enquist, Brian J., Esemann-Quadros, Karin, Eshetu, Zewdu, Fan, Ze Xin, Ferrero, M. Eugenia, Fichtler, Esther, Fontana, Claudia, Francisco, Kainana S., Gebrekirstos, Aster, Gloor, Emanuel, Granato-Souza, Daniela, Haneca, Kristof, Harley, Grant Logan, Heinrich, Ingo, Helle, Gerd, Inga, Janet G., Islam, Mahmuda, Jiang, Yu mei, Kaib, Mark, Khamisi, Zakia Hassan, Koprowski, Marcin, Kruijt, Bart, Layme, Eva, Leemans, Rik, Leffler, A. Joshua, Lisi, Claudio Sergio, Loader, Neil J., Locosselli, Giuliano Maselli, Lopez, Lidio, López-Hernández, María I., Lousada, José Luís Penetra Cerveira, Mendivelso, Hooz A., Mokria, Mulugeta, Montóia, Valdinez Ribeiro, Moors, Eddy, Nabais, Cristina, Ngoma, Justine, Nogueira Júnior, Francisco de Carvalho, Oliveira, Juliano Morales, Olmedo, Gabriela Morais, Pagotto, Mariana Alves, Panthi, Shankar, Pérez-De-Lis, Gonzalo, Pucha-Cofrep, Darwin, Pumijumnong, Nathsuda, Rahman, Mizanur, Ramirez, Jorge Andres, Requena-Rojas, Edilson Jimmy, Ribeiro, Adauto de Souza, Robertson, Iain, Roig, Fidel Alejandro, Rubio-Camacho, Ernesto Alonso, Sass-Klaassen, Ute, Schöngart, Jochen, Sheppard, Paul R., Slotta, Franziska, Speer, James H., Therrell, Matthew D., Toirambe, Benjamin, Tomazello-Filho, Mario, Torbenson, Max C.A., Touchan, Ramzi, Venegas-González, Alejandro, Villalba, Ricardo, Villanueva-Diaz, Jose, Vinya, Royd, Vlam, Mart, Wils, Tommy, and Zhou, Zhe Kun

Abstract

Interannual variability in the global land carbon sink is strongly related to variations in tropical temperature and rainfall. This association suggests an important role for moisture-driven fluctuations in tropical vegetation productivity, but empirical evidence to quantify the responsible ecological processes is missing. Such evidence can be obtained from tree-ring data that quantify variability in a major vegetation productivity component: woody biomass growth. Here we compile a pantropical tree-ring network to show that annual woody biomass growth increases primarily with dry-season precipitation and decreases with dry-season maximum temperature. The strength of these dry-season climate responses varies among sites, as reflected in four robust and distinct climate response groups of tropical tree growth derived from clustering. Using cluster and regression analyses, we find that dry-season climate responses are amplified in regions that are drier, hotter and more climatically variable. These amplification patterns suggest that projected global warming will probably aggravate drought-induced declines in annual tropical vegetation productivity. Our study reveals a previously underappreciated role of dry-season climate variability in driving the dynamics of tropical vegetation productivity and consequently in influencing the land carbon sink.

Published
2022
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9. Impact of non-native tree species in Europe on soil properties and biodiversity: a review

Author

Wohlgemuth, Thomas, Gossner, Martin, Campagnaro, Thomas, Marchante, Hélia, van Loo, Marcela, Vacchiano, Giorgio, Castro-Díez, Pilar, Dobrowolska, Dorota, Gazda, Anna, Keren, Srdjan, Keserű, Zsolt, Koprowski, Marcin, La Porta, Nicola, Marozas, Vitas, Nygaard, Per Holm, Podrazsky, Vilem, Puchałka, Radosław, Reisman-Berman, Orna, Straigytė, Lina, Ylioja, Tiina, Pötzelsberger, Elisabeth, and Silva, Joaquim S.

Subjects
soil impacts, forest management, pairwise stand comparisons, biogeography, biodiversity
Abstract

In the context of global change, the integration of non-native tree (NNT) species into European forestry is increasingly being discussed. The ecological consequences of increasing use or spread of NNTs in European forests are highly uncertain, as the scientific evidence is either constraint to results from case studies with limited spatial extent, or concerns global assessments that lack focus on European NNTs. For either case, generalisations on European NNTs are challenging to draw. Here we compile data on the impacts of seven important NNTs (Acacia dealbata, Ailanthus altissima, Eucalyptus globulus, Prunus serotina, Pseudotsuga menziesii, Quercus rubra, Robinia pseudoacacia) on physical and chemical soil properties and diversity attributes in Europe, and summarise commonalities and differences. From a total of 103 publications considered, studies on diversity attributes were overall more frequent than studies on soil properties. The effects on soil properties varied greatly among tree species and depended on the respective soil property. Overall, increasing (45%) and decreasing (45%) impacts on soil occurred with similar frequency. In contrast, decreasing impacts on biodiversity were much more frequent (66%) than increasing ones (24%). Species phylogenetically distant from European tree species, such as Acacia dealbata, Eucalyptus globulus and Ailanthus altissima, showed the strongest decreasing impacts on biodiversity. Our results suggest that forest managers should be cautious in using NNTs, as a majority of NNT stands host fewer species when compared with native tree species or ecosystems, likely reflected in changes in biotic interactions and ecosystem functions. The high variability of impacts suggests that individual NNTs should be assessed separately, but NNTs that lack European relatives should be used with particular caution.

Published
2022

11. ConservePlants: An integrated approach to conservation of threatened plants for the 21st Century

Author

Fišer, Živa, Aronne, Giovanna, Aavik, Tsipe, Akin, Meleksen, Alizoti, Paraskevi, Aravanopoulos, Filippos, Bacchetta, Gianluigi, Balant, Manica, Ballian, Dalibor, Barazani, Oz, Bellia, Andrea Francesca, Bernhardt, Nadine, Kharrat, Magda Bou Dagher, Bugeja Douglas, Adrian, Burkart, Michael, Ćalić, Dušica, Carapeto, André, Carlsen, Tor, Castro, Sílvia, Colling, Guy, Cursach, Joana, Cvetanoska, Sara, Cvetanka, Cvetkoska, Ćušterevska, Renata, Daco, Laura, Danova, Danova, Dervishi, Aida, Djukanović, Gordana, Dragićević, Snežana, Ensslin, Andreas, Evju, Marianne, Fenu, Giuseppe, Francisco, Ana, Gallego, Pedro Pablo, Galloni, Marta, Ganea, Anatolie, Gemeinholzer, Birgit, Glasnović, Peter, Godefroid, Sandrine, Goul Thomsen, Mette, Halassy, Melinda, Helm, Aveliina, Hyvärinen, Marko, Joshi, Jasmin, Amra, Kazić, Kiehn, Michael, Klisz, Marcin, Kool, Anneleen, Koprowski, Marcin, Kövendi-Jakó, Anna, Kříž, Karel, Kropf, Matthias, Kull, Tiiu, Lanfranco, Sandro, Lazarević, Predrag, Lazarević, Maja, Vine, Merav Lebel, Liepina, Ligita, Loureiro, João, Lukminė, Diana, Machon, Nathalie, Meade, Conor, Milanović, Đorđije, Navarro, Luis, Orlović, Saša, Panis, Bart, Hana, Pankova, Parpan, Taras, Pašek, Ondřej, Peci, Dhimiter, Petanidou, Theodora, Plenk, Kristina, Puchałka, Radosław, Radosavljević, Ivan, Rankou, Hassan, Rašomavičius, Valerijus, Romanciuc, Gabriela, Ruotsalainen, Anna, Šajna, Nina, Salaj, Terezia, Sánchez-Romero, Carolina, Sarginci, Murat, Deborah, Schäfer, Seberg, Ole, Sharrock, Suzanne, Šibík, Jozef, Šibíková, Mária, Skarpaas, Olav, Stanković Neđić, Milena, Stojnic, Srdjan, Surina, Boštjan, Szitár, Katalin, Teofilovski, Aco, Thoroddsen, Rannveig, Tsvetkov, Ivaylo, Uogintas, Domas, Van Meerbeek, Koenraad, van Rooijen, N.M., Vassiliou, Loukia, Verbylaitė, Rita, Vergeer, Philippine, Vít, Petr, Walczak, Margareta, Widmer, Alex, Wiland-Szymańska, Justyna, Zdunić, Goran, Zippel, Elke, Fišer, Živa, Aronne, Giovanna, Aavik, Tsipe, Akin, Meleksen, Alizoti, Paraskevi, Aravanopoulos, Filippos, Bacchetta, Gianluigi, Balant, Manica, Ballian, Dalibor, Barazani, Oz, Bellia, Andrea Francesca, Bernhardt, Nadine, Kharrat, Magda Bou Dagher, Bugeja Douglas, Adrian, Burkart, Michael, Ćalić, Dušica, Carapeto, André, Carlsen, Tor, Castro, Sílvia, Colling, Guy, Cursach, Joana, Cvetanoska, Sara, Cvetanka, Cvetkoska, Ćušterevska, Renata, Daco, Laura, Danova, Danova, Dervishi, Aida, Djukanović, Gordana, Dragićević, Snežana, Ensslin, Andreas, Evju, Marianne, Fenu, Giuseppe, Francisco, Ana, Gallego, Pedro Pablo, Galloni, Marta, Ganea, Anatolie, Gemeinholzer, Birgit, Glasnović, Peter, Godefroid, Sandrine, Goul Thomsen, Mette, Halassy, Melinda, Helm, Aveliina, Hyvärinen, Marko, Joshi, Jasmin, Amra, Kazić, Kiehn, Michael, Klisz, Marcin, Kool, Anneleen, Koprowski, Marcin, Kövendi-Jakó, Anna, Kříž, Karel, Kropf, Matthias, Kull, Tiiu, Lanfranco, Sandro, Lazarević, Predrag, Lazarević, Maja, Vine, Merav Lebel, Liepina, Ligita, Loureiro, João, Lukminė, Diana, Machon, Nathalie, Meade, Conor, Milanović, Đorđije, Navarro, Luis, Orlović, Saša, Panis, Bart, Hana, Pankova, Parpan, Taras, Pašek, Ondřej, Peci, Dhimiter, Petanidou, Theodora, Plenk, Kristina, Puchałka, Radosław, Radosavljević, Ivan, Rankou, Hassan, Rašomavičius, Valerijus, Romanciuc, Gabriela, Ruotsalainen, Anna, Šajna, Nina, Salaj, Terezia, Sánchez-Romero, Carolina, Sarginci, Murat, Deborah, Schäfer, Seberg, Ole, Sharrock, Suzanne, Šibík, Jozef, Šibíková, Mária, Skarpaas, Olav, Stanković Neđić, Milena, Stojnic, Srdjan, Surina, Boštjan, Szitár, Katalin, Teofilovski, Aco, Thoroddsen, Rannveig, Tsvetkov, Ivaylo, Uogintas, Domas, Van Meerbeek, Koenraad, van Rooijen, N.M., Vassiliou, Loukia, Verbylaitė, Rita, Vergeer, Philippine, Vít, Petr, Walczak, Margareta, Widmer, Alex, Wiland-Szymańska, Justyna, Zdunić, Goran, and Zippel, Elke

Abstract

[eng] Even though plants represent an essential part of our lives offering exploitational, supporting and cultural services, we know very little about the biology of the rarest and most threatened plant species, and even less about their conservation status. Rapid changes in the environment and climate, today more pronounced than ever, affect their fitness and distribution causing rapid species declines, sometimes even before they had been discovered. Despite the high goals set by conservationists to protect native plants from further degradation and extinction, the initiatives for the conservation of threatened species in Europe are scattered and have not yielded the desired results. The main aim of this Action is to improve plant conservation in Europe through the establishment of a network of scientists and other stakeholders who deal with different aspects of plant conservation, from plant taxonomy, ecology, conservation genetics, conservation physiology and reproductive biology to protected area's managers, not forgetting social scientists, who are crucial when dealing with the general public.

Published
2021

12. Biotic threats for 23 major non-native tree species in Europe

Author

Poetzelsberger, Elisabeth, Gossner, Martin M., Beenken, Ludwig, Gazda, Anna, Petr, Michal, Ylioja, Tiina, La Porta, Nicola, Avtzis, Dimitrios N., Bay, Elodie, De Groot, Maarten, Drenkhan, Rein, Duduman, Mihai-Leonard, Enderle, Rasmus, Georgieva, Margarita, Hietala, Ari M., Hoppe, Bjoern, Jactel, Herve, Jarni, Kristjan, Keren, Srdan, Keseru, Zsolt, Koprowski, Marcin, Kormutak, Andrej, Lombardero, Maria Josefa, Lukjanova, Aljona, Marozas, Vitas, Mauri, Edurad, Monteverdi, Maria Cristina, Nygaard, Per Holm, Ogris, Nikica, Olenici, Nicolai, Orazio, Christophe, Perny, Bernhard, Pinto, Gloria, Power, Michael, Puchalka, Radoslaw, Ravn, Hans Peter, Sevillano, Ignacio, Stroheker, Sophie, Taylor, Paul, Tsopelas, Panagiotis, Urban, Josef, Voolma, Kaljo, Westergren, Marjana, Witzell, Johanna, Zborovska, Olga, Zlatkovic, Milica, Poetzelsberger, Elisabeth, Gossner, Martin M., Beenken, Ludwig, Gazda, Anna, Petr, Michal, Ylioja, Tiina, La Porta, Nicola, Avtzis, Dimitrios N., Bay, Elodie, De Groot, Maarten, Drenkhan, Rein, Duduman, Mihai-Leonard, Enderle, Rasmus, Georgieva, Margarita, Hietala, Ari M., Hoppe, Bjoern, Jactel, Herve, Jarni, Kristjan, Keren, Srdan, Keseru, Zsolt, Koprowski, Marcin, Kormutak, Andrej, Lombardero, Maria Josefa, Lukjanova, Aljona, Marozas, Vitas, Mauri, Edurad, Monteverdi, Maria Cristina, Nygaard, Per Holm, Ogris, Nikica, Olenici, Nicolai, Orazio, Christophe, Perny, Bernhard, Pinto, Gloria, Power, Michael, Puchalka, Radoslaw, Ravn, Hans Peter, Sevillano, Ignacio, Stroheker, Sophie, Taylor, Paul, Tsopelas, Panagiotis, Urban, Josef, Voolma, Kaljo, Westergren, Marjana, Witzell, Johanna, Zborovska, Olga, and Zlatkovic, Milica

Abstract

For non-native tree species with an origin outside of Europe a detailed compilation of enemy species including the severity of their attack is lacking up to now. We collected information on native and non-native species attacking non-native trees, i.e. type, extent and time of first observation of damage for 23 important non-native trees in 27 European countries. Our database includes about 2300 synthesised attack records (synthesised per biotic threat, tree and country) from over 800 species. Insects (49%) and fungi (45%) are the main observed biotic threats, but also arachnids, bacteria including phytoplasmas, mammals, nematodes, plants and viruses have been recorded. This information will be valuable to identify patterns and drivers of attacks, and trees with a lower current health risk to be considered for planting. In addition, our database will provide a baseline to which future impacts on non-native tree species could be compared with and thus will allow to analyse temporal trends of impacts.

Published
2021

13. ConservePlants: An integrated approach to conservation of threatened plants for the 21st Century

Author

Fišer Pečnikar, Živa, Aronne, Giovanna, Aavik, Tsipe, Akin, Meleksen, Alizoti, Paraskevi, Aravanopoulos, Filippos, Bacchetta, Gianluigi, Balant, Manica, Ballian, Dalibor, Barazani, Oz, Bellia, Andrea Francesca, Verbylaitė, Rita, Vergeer, Philippine, Vít, Petr, Walczak, M., Widmer, Alex, Wiland-Szymańska, Justyna, Zdunić, Goran, Zippel, Elke, Bernhardt, Nadine, Dagher Kharrat, Magda Bou, Douglas, Adrian Bugeja, Burkart, Michael, Ćalić, Dušica, Carapeto, A., Carlsen, Tor, Castro, Silvia, Colling, Guy, Cursach, Joana, Cvetanoska, Sara, Cvetkoska, Cvetanka, Custerevska, Renata, Daco, Laura, Danova, Kalina, Dervishi, Aida, Djukanović, Gordana, Dragićević, Snežana, Ensslin, Andreas, Evju, Marianne, Fenu, Giuseppe, Francisco, Ana, Gallego, Pedro Pablo, Galloni, Marta, Ganea, Anatolie, Gemeinholzer, Birgit, Glasnović, Peter, Godefroid, Sandrine, Goul Thomsen, Mette, Halassy, Melinda, Helm, Aveliina, Hyvärinen, Marko, Joshi, Jasmin, Kazić, Amra, Kiehn, Michael, Klisz, Marcin, Kool, Anneleen, Koprowski, Marcin, Kövendi-Jakó, Anna, Kříž, Karel, Kropf, Matthias, Kull, Tiiu, Lanfranco, Sandro, Lazarević, Predrag, Lazarević, Maja, Lebel Vine, Merav, Liepina, Ligita, Loureiro, Joäo, Lukminė, Diana, Machon, Natalie, Meade, Conor, Metzing, Detlev, Milanović, Đorđije, Navarro, Luis, Orlović, Saša, Panis, Bart, Pankova, Hana, Parpan, Taras, Pašek, Ondřej, Peci, Dhimiter, Petanidou, Theodora, Plenk, Kristina, Puchałka, Radosław, Radosavljević, Ivan, Rankou, Hassan, Rašomavičius, V., Romanciuc, Gabriela, Ruotsalainen, Anna, Šajna, Nina, Salaj, Terezia, Sánchez-Romero, Carolina, Sarginci, Murat, Schäfer, Deborah, Seberg, Ole, Sharrock, Suzanne, Šibík, J., Šibíková, Mária, Skarpaas, Olav, Stanković Neđić, Milena, Stojnic, Srdjan, Surina, Boštjan, Szitár, Katalin, Teofilovski, Aco, Thoroddsen, Rannveig, Tsvetkov, I., Uogintas, D., Van Meerbeek, K., van Rooijen, Nils, Vassiliou, Loukia, Fišer Pečnikar, Živa, Aronne, Giovanna, Aavik, Tsipe, Akin, Meleksen, Alizoti, Paraskevi, Aravanopoulos, Filippos, Bacchetta, Gianluigi, Balant, Manica, Ballian, Dalibor, Barazani, Oz, Bellia, Andrea Francesca, Verbylaitė, Rita, Vergeer, Philippine, Vít, Petr, Walczak, M., Widmer, Alex, Wiland-Szymańska, Justyna, Zdunić, Goran, Zippel, Elke, Bernhardt, Nadine, Dagher Kharrat, Magda Bou, Douglas, Adrian Bugeja, Burkart, Michael, Ćalić, Dušica, Carapeto, A., Carlsen, Tor, Castro, Silvia, Colling, Guy, Cursach, Joana, Cvetanoska, Sara, Cvetkoska, Cvetanka, Custerevska, Renata, Daco, Laura, Danova, Kalina, Dervishi, Aida, Djukanović, Gordana, Dragićević, Snežana, Ensslin, Andreas, Evju, Marianne, Fenu, Giuseppe, Francisco, Ana, Gallego, Pedro Pablo, Galloni, Marta, Ganea, Anatolie, Gemeinholzer, Birgit, Glasnović, Peter, Godefroid, Sandrine, Goul Thomsen, Mette, Halassy, Melinda, Helm, Aveliina, Hyvärinen, Marko, Joshi, Jasmin, Kazić, Amra, Kiehn, Michael, Klisz, Marcin, Kool, Anneleen, Koprowski, Marcin, Kövendi-Jakó, Anna, Kříž, Karel, Kropf, Matthias, Kull, Tiiu, Lanfranco, Sandro, Lazarević, Predrag, Lazarević, Maja, Lebel Vine, Merav, Liepina, Ligita, Loureiro, Joäo, Lukminė, Diana, Machon, Natalie, Meade, Conor, Metzing, Detlev, Milanović, Đorđije, Navarro, Luis, Orlović, Saša, Panis, Bart, Pankova, Hana, Parpan, Taras, Pašek, Ondřej, Peci, Dhimiter, Petanidou, Theodora, Plenk, Kristina, Puchałka, Radosław, Radosavljević, Ivan, Rankou, Hassan, Rašomavičius, V., Romanciuc, Gabriela, Ruotsalainen, Anna, Šajna, Nina, Salaj, Terezia, Sánchez-Romero, Carolina, Sarginci, Murat, Schäfer, Deborah, Seberg, Ole, Sharrock, Suzanne, Šibík, J., Šibíková, Mária, Skarpaas, Olav, Stanković Neđić, Milena, Stojnic, Srdjan, Surina, Boštjan, Szitár, Katalin, Teofilovski, Aco, Thoroddsen, Rannveig, Tsvetkov, I., Uogintas, D., Van Meerbeek, K., van Rooijen, Nils, and Vassiliou, Loukia

Abstract

Even though plants represent an essential part of our lives offering exploitational, supporting and cultural services, we know very little about the biology of the rarest and most threatened plant species, and even less about their conservation status. Rapid changes in the environment and climate, today more pronounced than ever, affect their fitness and distribution causing rapid species declines, sometimes even before they had been discovered. Despite the high goals set by conservationists to protect native plants from further degradation and extinction, the initiatives for the conservation of threatened species in Europe are scattered and have not yielded the desired results. The main aim of this Action is to improve plant conservation in Europe through the establishment of a network of scientists and other stakeholders who deal with different aspects of plant conservation, from plant taxonomy, ecology, conservation genetics, conservation physiology and reproductive biology to protected area's managers, not forgetting social scientists, who are crucial when dealing with the general public.

Published
2021

15. ConservePlants: An integrated approach to conservation of threatened plants for the 21st Century

Author

Fišer, Živa, primary, Aronne, Giovanna, additional, Aavik, Tsipe, additional, Akin, Meleksen, additional, Alizoti, Paraskevi, additional, Aravanopoulos, Filippos, additional, Bacchetta, Gianluigi, additional, Balant, Manica, additional, Ballian, Dalibor, additional, Barazani, Oz, additional, Bellia, Andrea Francesca, additional, Bernhardt, Nadine, additional, Bou Dagher Kharrat, Magda, additional, Bugeja Douglas, Adrian, additional, Burkart, Michael, additional, Ćalić, Dušica, additional, Carapeto, André, additional, Carlsen, Tor, additional, Castro, Sílvia, additional, Colling, Guy, additional, Cursach, Joana, additional, Cvetanoska, Sara, additional, Cvetkoska, Cvetanka, additional, Ćušterevska, Renata, additional, Daco, Laura, additional, Danova, Kalina, additional, Dervishi, Aida, additional, Djukanović, Gordana, additional, Dragićević, Snežana, additional, Ensslin, Andreas, additional, Evju, Marianne, additional, Fenu, Giuseppe, additional, Francisco, Ana, additional, Gallego, Pedro Pablo, additional, Galloni, Marta, additional, Ganea, Anatolie, additional, Gemeinholzer, Birgit, additional, Glasnović, Peter, additional, Godefroid, Sandrine, additional, Goul Thomsen, Mette, additional, Halassy, Melinda, additional, Helm, Aveliina, additional, Hyvärinen, Marko, additional, Joshi, Jasmin, additional, Kazić, Amra, additional, Kiehn, Michael, additional, Klisz, Marcin, additional, Kool, Anneleen, additional, Koprowski, Marcin, additional, Kövendi-Jakó, Anna, additional, Kříž, Karel, additional, Kropf, Matthias, additional, Kull, Tiiu, additional, Lanfranco, Sandro, additional, Lazarević, Predrag, additional, Lazarević, Maja, additional, Lebel Vine, Merav, additional, Liepina, Ligita, additional, Loureiro, João, additional, Lukminė, Diana, additional, Machon, Nathalie, additional, Meade, Conor, additional, Metzing, Detlev, additional, Milanović, Đorđije, additional, Navarro, Luis, additional, Orlović, Saša, additional, Panis, Bart, additional, Pankova, Hana, additional, Parpan, Taras, additional, Pašek, Ondřej, additional, Peci, Dhimiter, additional, Petanidou, Theodora, additional, Plenk, Kristina, additional, Puchałka, Radosław, additional, Radosavljević, Ivan, additional, Rankou, Hassan, additional, Rašomavičius, Valerijus, additional, Romanciuc, Gabriela, additional, Ruotsalainen, Anna, additional, Šajna, Nina, additional, Salaj, Terezia, additional, Sánchez-Romero, Carolina, additional, Sarginci, Murat, additional, Schäfer, Deborah, additional, Seberg, Ole, additional, Sharrock, Suzanne, additional, Šibík, Jozef, additional, Šibíková, Mária, additional, Skarpaas, Olav, additional, Stanković Neđić, Milena, additional, Stojnic, Srdjan, additional, Surina, Boštjan, additional, Szitár, Katalin, additional, Teofilovski, Aco, additional, Thoroddsen, Rannveig, additional, Tsvetkov, Ivaylo, additional, Uogintas, Domas, additional, Van Meerbeek, Koenraad, additional, van Rooijen, Nils, additional, Vassiliou, Loukia, additional, Verbylaitė, Rita, additional, Vergeer, Philippine, additional, Vít, Petr, additional, Walczak, Margareta, additional, Widmer, Alex, additional, Wiland-Szymańska, Justyna, additional, Zdunić, Goran, additional, and Zippel, Elke, additional

Published
2021
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17. River Regulation Causes Rapid Changes in Relationships Between Floodplain Oak Growth and Environmental Variables

Author

Netsvetov, Maksym, Prokopuk, Yulia, Puchalka, Radoslaw, Koprowski, Marcin, Klisz, Marcin, Romenskyy, Maksym, Netsvetov, Maksym, Prokopuk, Yulia, Puchalka, Radoslaw, Koprowski, Marcin, Klisz, Marcin, and Romenskyy, Maksym

Abstract

The radial growth of pedunculate oak (Quercus robur), a species often ecologically dominating European deciduous forests, is closely tied up with local environmental variables. The oak tree-ring series usually contain a climatic and hydrologic signal that allows assessing the main drivers of tree growth in various ecosystems. Understanding the climate-growth relationship patterns in floodplains is important for providing insights into the species persistence and longevity in vulnerable riverine ecosystems experiencing human-induced hydrology alteration. Here, we use 139 years long instrumental records of local temperature, precipitation, and water levels in the Dnipro River in Kyiv to demonstrate that the implementation of river regulation has decoupled the established relationship between the radial growth of floodplain oak and local hydro-climatic conditions. Before the river flow has been altered by engineering modifications of 1965-1977, the water level in the Dnipro River was the key driver of oak radial growth, as reflected in the tree-ring width and earlywood width. The construction of two dams has altered the seasonal distribution of water level diminishing the positive effect of high water on oak growth and subsequently reversing this trend to negative, resulting from a seasonal ground water surplus. The decrease in the correlation between oak growth indices and the river's water level in April-June was unprecedentedly rapid and clearly distinguishable among other changes in the growth-to-climate relationship. Our findings further demonstrate that trees growing in areas exposed to urban development are the most susceptible to downside effects of river regulation.

Published
2019
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18. Limitations at the limit? Diminishing of genetic effects in norway spruce provenance trials

Author

Klisz, Marcin, Buras, Allan, Sass-Klaassen, Ute, Puchałka, Radosław, Koprowski, Marcin, Ukalska, Joanna, Klisz, Marcin, Buras, Allan, Sass-Klaassen, Ute, Puchałka, Radosław, Koprowski, Marcin, and Ukalska, Joanna

Abstract

Provenance trials are used to study the effects of tree origin on climate-growth relationships. Thereby, they potentially identify provenances which appear more resilient to anticipated climate change. However, when studying between provenance variability in growth behavior it becomes important to address potential effects related to site marginality in the context of provenance trials. In our study we focus on provenance-specific climate sensitivity manifested under marginal growth conditions. We hypothesized that the provenance effects are masked if trials are located at marginal environmental conditions of the natural species distribution. Under this framework, we investigate 10 Norway spruce provenances growing at two contrasting locations, i.e., a relatively drought-prone site in western Poland (at the climatic margin of Norway spruce’s natural distribution) and a mild and moist site in north-eastern Poland (within its natural range). Combining principal component analysis with climate-growth relationships, we found distinguishable growth patterns and climate correlations among provenances. That is, at the mild and moist north-eastern site, we observed provenance-specific growth patterns and thus a varying drought susceptibility. In contrast, at the dryer western site, provenance-specific growth patterns were less pronounced and all provenances expressed a common and strong sensitivity to drought. Our results indicate that the genetic specificity of growth reactions diminishes toward the distributional margins of a given species. We conclude that the climate conditions at the margins of a species’ distribution are constraining tree growth independently of tree origin. Because of this, the marginality of a site has to be considered when evaluating climate sensitivity of provenances within trials. As a consequence, the yet different responses of provenances to adverse growing conditions may synchronize under more extreme conditions in course of the anticipated cl

Published
2019

23. Fertilisation with potato starch wastewater effect on the growth of Scots pine (Pinus sylvestrisL.) forest in Poland

Author

Waszak, Nella, Campelo, Filipe, Robertson, Iain, Puchałka, Radosław, Balghiti, Fatima-Zahraa El, Gričar, Jožica, Boularbah, Ali, and Koprowski, Marcin

Abstract

•High nitrogen concentrations have a negative effect on radial growth.•Overfertilized trees produce tracheids with thinner cell walls.•Wood structure in over-fertilized trees can affect water transport in the trunk.•Overfertilized trees produce wood with inferior wood properties.

Published
2024
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25. Structure and function of intra-annual density fluctuations

Author

Battipaglia, Giovanna, Campelo, Filipe, Vieira, Joana, Grabner, Michael, de Micco, Veronica, Nabais, Cristina, Cherubini, Paolo, Carrer, Marco, Bräuning, Achim, Čufar, Katarina, Di Filippo, Alfredo, García-González, Ignacio, Koprowski, Marcin, Klisz, Marcin, Kirdyanov, Alexander V., Zafirov, Nikolay, and De Luis, Martin

Subjects
WOOD SCIENCE AND TECHNOLOGY
Abstract

Tree rings are natural archives of climate and environmental information with a yearly resolution. Indeed, wood anatomical, chemical, and other properties of tree rings are a synthesis of several intrinsic and external factors, and their interaction during tree growth. In particular, Intra-Annual Density Fluctuations (IADFs) can be considered as tree-ring anomalies that can be used to better understand tree growth and to reconstruct past climate conditions with intra-annual resolution. However, the ecophysiological processes behind IADF formation, as well as their functional impact, remain unclear. Are IADFs resulting from a prompt adjustment to fluctuations in environmental conditions to avoid stressful conditions and/or to take advantage from favorable conditions? In this paper we discuss: (1) the influence of climatic factors on the formation of IADFs; (2) the occurrence of IADFs in different species and environments; (3) the potential of new approaches to study IADFs and identify their triggering factors. Our final aim is to underscore the advantages offered by network analyses of data and the importance of high-resolution measurements to gain insight into IADFs formation processes and their relations with climatic conditions, including extreme weather events.

Published
2016

26. Structure and Function of Intra–Annual Density Fluctuations: Mind the Gaps

Author

Battipaglia, Giovanna, Campelo, Filipe, Vieira, Joana, Grabner, Michael, De Micco, Veronica, Nabais, Cristina, Cherubini, Paolo, Carrer, Marco, Bräuning, Achim, Čufar, Katarina, Di Filippo, Alfredo, García-González, Ignacio, Koprowski, Marcin, Klisz, Marcin, Kirdyanov, Alexander V., Zafirov, Nikolay, and de Luis, Martin

Subjects
wood anatomy, IADF, stable isotopes, wood formation, Plant Science, tree-ring, network analysis
Abstract

Tree rings are natural archives of climate and environmental information with a yearly resolution. Indeed, wood anatomical, chemical, and other properties of tree rings are a synthesis of several intrinsic and external factors, and their interaction during tree growth. In particular, Intra-Annual Density Fluctuations (IADFs) can be considered as tree-ring anomalies that can be used to better understand tree growth and to reconstruct past climate conditions with intra-annual resolution. However, the ecophysiological processes behind IADF formation, as well as their functional impact, remain unclear. Are IADFs resulting from a prompt adjustment to fluctuations in environmental conditions to avoid stressful conditions and/or to take advantage from favorable conditions? In this paper we discuss: (1) the influence of climatic factors on the formation of IADFs; (2) the occurrence of IADFs in different species and environments; (3) the potential of new approaches to study IADFs and identify their triggering factors. Our final aim is to underscore the advantages offered by network analyses of data and the importance of high-resolution measurements to gain insight into IADFs formation processes and their relations with climatic conditions, including extreme weather events.

Published
2016
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27. Droughts in the area of Poland in recent centuries.

Author

Przybylak, Rajmund, Oliński, Piotr, Koprowski, Marcin, Filipiak, Janusz, Pospieszyńska, Aleksandra, Chorążyczewski, Waldemar, Puchałka, Radosław, and Dąbrowski, Henryk P.

Abstract

The paper presents the main features of droughts in Poland in recent centuries, including their frequency of occurrence, coverage, duration and intensity. For this purpose both proxy data (documentary and dendrochronological) and instrumental measurements of precipitation were used. The reconstructions of droughts based on all the mentioned sources of data covered the period 996-2015. Examples of megadroughts were also chosen using documentary evidence, and some of them were described. Various documentary sources have been used to identify droughts in the area of Poland in period 1451-1800 and to estimate their intensity, spatial coverage and duration. Twenty-two local chronologies of trees (pine, oak, and fir) from Poland were taken into account for detecting negative pointer years (exceptionally narrow rings). The longest chronology covers the years 996-1986 and was constructed for eastern Pomerania. The delimitation of droughts based on instrumental data (eight long-term precipitation series) was conducted using two independent approaches. In the first approach we used the globally and nationally popular Standard Precipitation Index (SPI), which was calculated for 1-, 3-, and 24-month time scales. Thus, three categories of droughts were analysed: meteorological (SPI1), agricultural (SPI3) and hydrological (SPI24). For delimitation of droughts (dry months), the criteria used were those proposed by McKee (1993) and modified for the climate conditions of Poland by Łabędzki (2007). Droughts were divided into three categories based on the following SPI values: moderate droughts (-0.50 to -1.49), severe (-1.50 to -1.99), and extreme (≤-2.00). The second approach includes the new proposed method for distinguishing droughts and quantitatively estimating their intensity and duration. More than one hundred droughts were found in documentary sources from the mid-15th century to the end of the 18th century, including 17 megadroughts. A greater-than-average number of droughts was observed in the second halves of the 17th century, and of the 18th century in particular. Dendrochronological data confirmed this general tendency in the mentioned period. The clearly greatest number of negative pointer years occurred in the 18th century and then in the period 1451-1500. In the period 996-2015, a total of 758 negative pointer years were recorded. Analysis of SPI (including its lowest values, i.e. droughts) showed that the long-term frequency of droughts in Poland has been stable in the last two or three centuries. Extreme and severe droughts were most frequent in the coastal part of Poland and in Silesia. Most droughts had a duration of two months (about 60-70%), or 3-4 months (10-20%). Frequencies of droughts with a duration of 5 and more months were lower than 10%. The longest droughts had a duration of 7-8 months. The frequency of droughts of all categories in Poland in the period 1722-2015 was greatest in winter. This fact should be taken into account when analysing droughts delimited using documentary evidence. In Poland in 1451-1800, in light of this sort of information, droughts in spring and summer clearly dominated, while only three winter droughts were mentioned. The occurrence of negative pointer years (a good proxy for droughts) was compared with droughts delimited based on documentary and instrumental data. A good correspondence was found between the timing of occurrence of droughts identified using all three kinds of data (sources). [ABSTRACT FROM AUTHOR]

Published
2019
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28. Structure and Function of Intra–Annual Density Fluctuations: Mind the Gaps

Author

Universidade de Santiago de Compostela. Departamento de Botánica, Battipaglia, Giovanna, Campelo, Filipe, Vieira, Joana, Grabner, Michael, De Micco, Veronica, Nabais, Cristina, Cherubini, Paolo, Carrer, Marco, Bräuning, Achim, Čufar, Katarina, Di Filippo, Alfredo, García González, Ignacio, Koprowski, Marcin, Klisz, Marcin, Kirdyanov, Alexander V., Zafirov, Nikolay, Luis, Martin de, Universidade de Santiago de Compostela. Departamento de Botánica, Battipaglia, Giovanna, Campelo, Filipe, Vieira, Joana, Grabner, Michael, De Micco, Veronica, Nabais, Cristina, Cherubini, Paolo, Carrer, Marco, Bräuning, Achim, Čufar, Katarina, Di Filippo, Alfredo, García González, Ignacio, Koprowski, Marcin, Klisz, Marcin, Kirdyanov, Alexander V., Zafirov, Nikolay, and Luis, Martin de

Abstract

Tree rings are natural archives of climate and environmental information with a yearly resolution. Indeed, wood anatomical, chemical, and other properties of tree rings are a synthesis of several intrinsic and external factors, and their interaction during tree growth. In particular, Intra-Annual Density Fluctuations (IADFs) can be considered as tree-ring anomalies that can be used to better understand tree growth and to reconstruct past climate conditions with intra-annual resolution. However, the ecophysiological processes behind IADF formation, as well as their functional impact, remain unclear. Are IADFs resulting from a prompt adjustment to fluctuations in environmental conditions to avoid stressful conditions and/or to take advantage from favorable conditions? In this paper we discuss: (1) the influence of climatic factors on the formation of IADFs; (2) the occurrence of IADFs in different species and environments; (3) the potential of new approaches to study IADFs and identify their triggering factors. Our final aim is to underscore the advantages offered by network analyses of data and the importance of high-resolution measurements to gain insight into IADFs formation processes and their relations with climatic conditions, including extreme weather events.

Published
2016

35. Tree-ring formation dynamics in Fagus sylvatica and Quercus petraea in a dry and a wet year.

Author

Puchałka, Radosław, Prislan, Peter, Klisz, Marcin, Koprowski, Marcin, and Gričar, Jožica

Subjects
*EUROPEAN beech, *DURMAST oak, *TREE-rings, *SUMMER, *WOOD, *TWO-way analysis of variance
Abstract

European beech Fagus sylvatica and Sessile oak Quercus petraea are reaching the north-eastern limits of their natural ranges in northern Poland. According to the projected changes in potential ranges in this region, climatic conditions for both species until 2080 will remain stable. On the other hand, a decrease in the vitality of mature trees and a reduction in their radial growth are currently observed. To understand these contradictory findings, we monitored the cambial activity in both species during two vegetation seasons. 2015 was characterized by a negative water balance, while 2017 was wet. This provided an opportunity to compare how the xylogenesis proceeds in diffuse-porous beech and ring-porous oak during contrasting in the summer precipitation seasons. The forming annual increments were sampled with Presler borer at variable time intervals depending on the leaf phenological phases. The cores were prepared using a sledge microtome and double-stained with safranin and astra blue. Observations of the phases of wood formation and measurements of the width of the forming increments were analysed on the microslide digital images. Differences in the dates of the phenological phases were analysed using Two-Way ANOVA, while the dynamics of the formation of annual increments were fitted to the Single and Double Gompertz function for beech and oak, respectively. The beginning of vessel formation started earlier in both seasons compared to previous studies. Inter-seasonal differences in the duration of spring phenological phases were insignificant for both species, while inter-species differences were significant due to physiological diversity between diffuse-porous beech and ring-porous oak. In dry 2015, cambial activity ceased sooner in both species than in 2017. Differences between oak and beech were insignificant in both years, but statistically significant disparities existed within each species due to varying in precipitation seasons. Rainfall significantly elongated the duration of cambial activity and caused wider tree-rings. According to our study, despite predicted maintaining their climatic niche, both species, situated at the north-eastern cooler range boundary, are expected to produce wood at a lower rate due to the projected warmer central European climate with increased heatwaves and summer droughts. [ABSTRACT FROM AUTHOR]

Published
2024
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36. Structure and function of intra–annual density fluctuations: Mind the gaps

Author

Giovanna eBattipaglia, Filipe eCampelo, Joana eVieira, Michael eGrabner, Veronica eDe Micco, Cristina eNabais, Paolo eCherubini, Marco eCarrer, Achim eBraeuning, Katarina eCufar, Alfredo eDi Filippo, Ignacio eGarcía-González, Marcin eKoprowski, Marcin eKlisz, Alexander V. Kirdyanov, Nikolay eZafirov, Martin eDe Luis, Second University of Naples-Caserta, University of Naples Federico II, Centre de Bio-Archéologie et d'Ecologie (CBAE), Centre National de la Recherche Scientifique (CNRS)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Montpellier 2 - Sciences et Techniques (UM2), Euro-Mediterranean Center on Climate Change (CMCC), Institut des Sciences de l'Evolution de Montpellier (UMR ISEM), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UR226, University of Coimbra [Portugal] (UC), University of Natural Resources and Life Sciences (BOKU), Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Department of Land, Environment, Agriculture and Forestry (TeSAF), Universita degli Studi di Padova, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), University of Ljubljana, Università degli studi della Tuscia [Viterbo], Universidade de Santiago de Compostela [Spain] (USC ), Faculty of Biology and Environmental Protection [Toruń], Nicolaus Copernicus University [Toruń], Department of Silviculture and Genetics, Forest Research Institute, V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences (SB RAS), Siberian Federal University (SibFU), Forestry University of Sofia, University of Zaragoza - Universidad de Zaragoza [Zaragoza], University of Naples Federico II = Università degli studi di Napoli Federico II, Université Montpellier 2 - Sciences et Techniques (UM2)-École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement [IRD] : UR226-Centre National de la Recherche Scientifique (CNRS), Universität für Bodenkultur Wien = University of Natural Resources and Life [Vienne, Autriche] (BOKU), Università degli Studi di Padova = University of Padua (Unipd), Universidade de Santiago de Compostela. Departamento de Botánica, Battipaglia, Giovanna, Campelo, Filipe, Vieira, Joana, Grabner, Michael, DE MICCO, Veronica, Nabais, Cristina, Cherubin, Paolo, Carrer, Marco, Bräuning, Achim, Čufar, Katarina, Di Filippo, Alfredo, García González, Ignacio, Koprowski, Marcin, Klisz, Marcin, Kirdyanov, Alexander V., Zafirov, Nikolay, de Luis, Martin, and De Micco, Veronica

Subjects
0106 biological sciences, 010504 meteorology & atmospheric sciences, stable isotopes, Functional impact, Plant Science, lcsh:Plant culture, Biology, tree-ring, 01 natural sciences, Extreme weather, wood anatomy, IADF, Dendrochronology, lcsh:SB1-1110, network analysis, Stable isotopes, 0105 earth and related environmental sciences, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Wood formation, Wood anatomy, Ecology, Naturwissenschaftliche Fakultät, Network analysi, [SDV.BV.BOT]Life Sciences [q-bio]/Vegetal Biology/Botanics, 15. Life on land, Stable isotope, Structure and function, 13. Climate action, Climatology, Perspective, wood formation, Network analysis, ddc:500, Tree-ring, 010606 plant biology & botany
Abstract

Tree rings are natural archives of climate and environmental information with a yearly resolution. Indeed, wood anatomical, chemical, and other properties of tree rings are a synthesis of several intrinsic and external factors, and their interaction during tree growth. In particular, Intra-Annual Density Fluctuations (IADFs) can be considered as tree-ring anomalies that can be used to better understand tree growth and to reconstruct past climate conditions with intra-annual resolution. However, the ecophysiological processes behind IADF formation, as well as their functional impact, remain unclear. Are IADFs resulting from a prompt adjustment to fluctuations in environmental conditions to avoid stressful conditions and/or to take advantage from favorable conditions? In this paper we discuss: (1) the influence of climatic factors on the formation of IADFs; (2) the occurrence of IADFs in different species and environments; (3) the potential of new approaches to study IADFs and identify their triggering factors. Our final aim is to underscore the advantages offered by network analyses of data and the importance of high-resolution measurements to gain insight into IADFs formation processes and their relations with climatic conditions, including extreme weather events. This research is linked to activities conducted within the COST FP1106 “STReESS” network. Collection of datasets used for this work was supported by the projects: – ELENA (CGL2012-31668) and CGL2015-69985-R funded by the Spanish Science and Innovation Ministry (MICINN) and FEDER funds. – PGIDIT06PXIB502262PR funded by Dirección Xeral de Investigación, Desenvolvemento e Innovación, Xunta de Galicia. – Slovenian Research Agency (program P4-0015). – Austrian Science Fund (FWF-TRP 122-B16). – Russian Science Foundation 14-14-00295. – POCI/CLI/58680/2004 and PTDC/AAC-AMB/111675/2009 funded by the Portuguese Foundation for Science and Technology (FCT) and the European Union (POCI 2010) SI

Published
2016

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