Mixed effects of climate variation on the scots pine forests: Age and species mixture matter |
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| Institution: | 1. Forest National Institute for Research and Development in Forestry “Marin Drăcea”, Research Station for Norway spruce Silviculture, Calea Bucovinei 73 bis, Câmpulung Moldovenesc, Romania;2. Department of Forest Management Planning and Geodesy, Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 24, 96053, Zvolen, Slovakia;3. National Forest Centre, Forest Research Institute Zvolen, T.G. Masaryka 22, 96092, Zvolen, Slovakia;4. Department of Geography, University of Cambridge, Cambridge, CB2 3EN, UK;5. Swiss Federal Research Institute, 8903, Birmensdorf, Switzerland;6. CzechGlobe & Department of Geography, Masaryk University, 61137, Brno, Czech Republic;1. Department of Geography, Johannes Gutenberg University, Mainz, Germany;2. Department of Atmospheric and Environmental Sciences, University at Albany (SUNY), Albany, New York, USA;3. Dendroøkologen A.J. Kirchhefer, Tromsø, Norway;4. Natural Resources Institute Finland, Rovaniemi, Finland;5. Department of Physical Geography, Stockholm University, Stockholm, Sweden;6. Department of Geography, University of Cambridge, UK;7. Swiss Federal Research Institute WSL, Birmensdorf, Switzerland;8. Global Change Research Centre AS CR, Brno, Czech Republic;1. Institute of Plant and Animal Ecology UB RAS, Ekaterinburg, Russia;2. Greifswald University, Greifswald, Germany;3. Department of Physical Geography and Geoecology, Faculty of Science, Charles University, Prague, Czech Republic;4. Technical University Munich, Freising, Germany;1. Centro Nacional de Investigación Disciplinaría en Relación Agua-Suelo-Planta-Atmósfera del Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias, Km. 6.5 Margen Derecha del Canal Sacramento, CP 35140, Gómez Palacio, Durango, Mexico;2. USDA Forest Service, Rocky Mountain Research Station, 2500 S. Pine Knoll Drive, Flagstaff, AZ 86001, United States;3. Instituto de Geografía, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, 04510, Ciudad de México, Mexico;4. Divición de Ciencias Forestales, Universidad Autónoma Chapingo, Texcoco, Edo. de México, 56320, Mexico;1. National Institute for Research and Development in Forestry \"Marin Drăcea\", Calea Bucovinei, 73 bis, 725100, Câmpulung Moldovenesc, Romania;2. Icelandic Forest Research, Mógilsá, IS-162 Reykjavík, Iceland;3. Department of Geography, Universităţii 13, 720229, Ștefan cel Mare University of Suceava, Romania;1. Departamento de Botánica, Universidade de Santiago de Compostela, Escola Politécnica Superior de Enxeñaría, Campus Terra, 27002 Lugo, Spain;2. Área de Botánica, Departamento de Ciencias Agroforestales, EiFAB, Universidad de Valladolid, Campus Duques de Soria, 42004 Soria, Spain |
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| Abstract: | Understanding and unravelling the direct and indirect effects of ongoing and predicted climate change on the vitality and productivity of Scots pine forests is particularly important for Romania and other parts of eastern Europe, where the species represents an essential ecological and economic value. Here, we introduce the first nation-wide network of 34 Scots pine chronologies of basal area increment (BAI), and assess the species’ vulnerability to climate change. Temperatures of the previous autumn, as well as current year spring and summer warmth are found to be most critical for the productivity of Romania’s Scots pine forests. Negative growth anomalies after hot and dry August conditions are most severe in young (<50 years) Scots pine monocultures (>70% dominance) at lower elevations (<1000 m a.s.l.) across western Romania. Our findings emphasise the relevance and timeliness of carefully adapting sylvicultural management strategies to enhance the ecological and economic resilience of Romania’s widespread forest areas under a warmer and drier future climate. |
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| Keywords: | Biomass productivity Climate change Drought risk Scots pine Tree rings |
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