Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories Data
An increasing amount of research is focusing on comparing productivity in monospecific versus mixed stands, although it is difficult to reach a general consensus as mixing effects differ both in sign (over-yielding or under-yielding) and magnitude depending on species composition as well as on site...
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MDPI AG
2018-08-01
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| Series: | Forests |
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| Online Access: | http://www.mdpi.com/1999-4907/9/9/518 |
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| author | Sonia Condés Hubert Sterba Ana Aguirre Kamil Bielak Andrés Bravo-Oviedo Lluís Coll Maciej Pach Hans Pretzsch Patrick Vallet Miren del Río |
| author_facet | Sonia Condés Hubert Sterba Ana Aguirre Kamil Bielak Andrés Bravo-Oviedo Lluís Coll Maciej Pach Hans Pretzsch Patrick Vallet Miren del Río |
| author_sort | Sonia Condés |
| collection | DOAJ |
| description | An increasing amount of research is focusing on comparing productivity in monospecific versus mixed stands, although it is difficult to reach a general consensus as mixing effects differ both in sign (over-yielding or under-yielding) and magnitude depending on species composition as well as on site and stand conditions. While long-term experimental plots provide the best option for disentangling the mixing effects, these datasets are not available for all the existing mixtures nor do they cover large gradients of site factors. The objective of this study was to evaluate the effects and uncertainties of tree species mixing on the productivity of Scots pine–European beech stands along the gradient of site conditions in Europe, using models developed from National and Regional Forest Inventory data. We found a positive effect of pine on beech basal area growth, which was slightly greater for the more humid sites. In contrast, beech negatively affected pine basal area growth, although the effects switched to positive in the more humid sites. However, the uncertainty analysis revealed that the effect on pine at mid- and more humid sites was not-significant. Our results agree with studies developed from a European transect of temporal triplets in the same pine–beech mixtures, confirming the suitability of these datasets and methodology for evaluating mixing effects at large scale. |
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| institution | Directory Open Access Journal |
| issn | 1999-4907 |
| language | English |
| last_indexed | 2024-04-13T16:18:10Z |
| publishDate | 2018-08-01 |
| publisher | MDPI AG |
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| series | Forests |
| spelling | doaj.art-5bc27607ab64424b8d53ee27cb71e2242022-12-22T02:40:00ZengMDPI AGForests1999-49072018-08-019951810.3390/f9090518f9090518Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories DataSonia Condés0Hubert Sterba1Ana Aguirre2Kamil Bielak3Andrés Bravo-Oviedo4Lluís Coll5Maciej Pach6Hans Pretzsch7Patrick Vallet8Miren del Río9Department of Natural Systems and Resources, School of Forest Engineering and Natural Environment, Universidad Politécnica de Madrid, c/José Novais 10, 28040 Madrid, SpainDepartment of Forest and Soil Sciences, BOKU University of Natural Resources and Life Sciences, Peter-Jordan-Straße 82, 1190 Wien, AustriaDepartment of Natural Systems and Resources, School of Forest Engineering and Natural Environment, Universidad Politécnica de Madrid, c/José Novais 10, 28040 Madrid, SpainDepartment of Silviculture, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warszawa, PolandDepartment of Biogeography and Global Change, National Museum of Natural Sciences-CSIC, C/Serrano 115bis, 28006 Madrid, SpainDepartment of Agriculture and Forest Engineering (EAGROF), University of Lleida, Av. de l’Alcalde Rovira Roure 191, 25198 Lleida, SpainDepartment of Silviculture, Institute of Forest Ecology and Silviculture, University of Agriculture in Krakow, Al. 29 Listopada 46, 31-425 Kraków, PolandTUM School of Life Sciences Weihenstephan, Technische Universität München, Hans-Carl-von-Carlowitz-Platz 2, D-85354 Freising, Bavaria, GermanyUniversity Grenoble Alpes, Irstea, UR LESSEM, Centre de Grenoble, F-38402 St-Martin-d’Hères, FranceDepartment of Forest Dynamics and Management, Forest Research Center, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, INIA, Ctra de la Coruña km 7.5, 28040 Madrid, SpainAn increasing amount of research is focusing on comparing productivity in monospecific versus mixed stands, although it is difficult to reach a general consensus as mixing effects differ both in sign (over-yielding or under-yielding) and magnitude depending on species composition as well as on site and stand conditions. While long-term experimental plots provide the best option for disentangling the mixing effects, these datasets are not available for all the existing mixtures nor do they cover large gradients of site factors. The objective of this study was to evaluate the effects and uncertainties of tree species mixing on the productivity of Scots pine–European beech stands along the gradient of site conditions in Europe, using models developed from National and Regional Forest Inventory data. We found a positive effect of pine on beech basal area growth, which was slightly greater for the more humid sites. In contrast, beech negatively affected pine basal area growth, although the effects switched to positive in the more humid sites. However, the uncertainty analysis revealed that the effect on pine at mid- and more humid sites was not-significant. Our results agree with studies developed from a European transect of temporal triplets in the same pine–beech mixtures, confirming the suitability of these datasets and methodology for evaluating mixing effects at large scale.http://www.mdpi.com/1999-4907/9/9/518species interactionsgrowth efficiencybasal area growthmonospecific and mixed stands comparisonMartonne aridity index |
| spellingShingle | Sonia Condés Hubert Sterba Ana Aguirre Kamil Bielak Andrés Bravo-Oviedo Lluís Coll Maciej Pach Hans Pretzsch Patrick Vallet Miren del Río Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories Data Forests species interactions growth efficiency basal area growth monospecific and mixed stands comparison Martonne aridity index |
| title | Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories Data |
| title_full | Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories Data |
| title_fullStr | Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories Data |
| title_full_unstemmed | Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories Data |
| title_short | Estimation and Uncertainty of the Mixing Effects on Scots Pine—European Beech Productivity from National Forest Inventories Data |
| title_sort | estimation and uncertainty of the mixing effects on scots pine european beech productivity from national forest inventories data |
| topic | species interactions growth efficiency basal area growth monospecific and mixed stands comparison Martonne aridity index |
| url | http://www.mdpi.com/1999-4907/9/9/518 |
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