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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Pardos, M;Río, M. del;Pretzsch, Hans;Jactel, H;Bielak, K;Bravo, F;Brazaitis, Gediminas;Defossez, E;Engel, M;Godvod, Kšištof;Jacobs, K;Jansone, L;Jansons, A;Morin, Xavier;Nothdurf, A;Oreti, L;Ponette, Q;Pach, M;Riofrío, J;Ruíz-Peinado, R;Tomao, A;Uhl, E;Calama, R
Title: The greater resilience of mixed forests to drought mainly depends on their composition: Analysis along a climate gradient across Europe
Is part of: Forest Ecology and Management. Amsterdam : Elsevier, 2021, vol. 481
Extent: p. 1-15
Date: 2021
Keywords: Drought event;Functional diversity;Mixing effects;Lloret indices;Tree-ring data
Abstract: Despite growing evidence that diverse forests play an important role in ecosystem functioning, ensuring the provision of different ecosystem services, whether such diversity improves their response to drought events remains unclear. In this study, we use a large tree-ring database from thirty case studies across nine European countries and eleven species, covering from Mediterranean to hemiboreal forests, to test if the growth response to site specific drought events that occurred between 1975 and 2015 varied between mixed and monospecific stands. In particular, we quantify how stands resist those specific drought events and recover after them, thus analyzing their resilience. For each drought event and forest stand we calculated resistance, recovery, resilience and relative resilience and we related the variation in these indices between monospecific and mixed stands with type of admixture, tree species identity, site aridity gradient, stand basal area and stand age. We found a large variability among case studies, even for those that share similar species composition and have similar climates. On average, mixed stands showed higher resistance, resilience and relative resilience to drought events than monospecific stands. However, the beneficial effect of mixtures could not be generalized, being greatly modulated by the type of admixture and tree species identity, and depending on site water supply and stand characteristics, such as basal area and age. The increase in resilience in mixtures compared with monocultures was greater on the conifer-broadleaved admixtures, and to a lesser extent in the broadleaved-broadleaved combinations. The observed response patterns to drought largely varied among the eleven studied species, thus revealing the importance of functional traits for understanding a species’ response to drought across its distribution range. Along the site aridity gradient, resilience and relative resilience to drought increased in drier[...]
Affiliation(s): Miškų ir ekologijos fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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