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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Streel, Géraud de;Ammer, Christian;Annighöfer, Peter;Barbeito, Ignacio;Bielak, Kamil;Bravo-Oviedo, Andres;Brazaitis, Gediminas;Buraczyk, Włodzimierz;Collet, Caterin;Hurt, Václav;Kurylyak, Viktor;Ouden, Jan den;Pach, Maciej;Pretzsch, Hans;Skrzyszewski, Jerzy;Sramek, Vit;Stankevičiūtė, Jolanta;Strelcova, Katarin;Svoboda, Miroslav;Verheyen, Kris;Zlatanov, Tzvetan;Ponette, Quentin
Title: Mixing has limited impacts on the foliar nutrition of European beech and Scots pine trees across Europe
Is part of: Forest Ecology and Management. Amsterdam : Elsevier, 2021, vol. 479
Extent: p. 1-14
Date: 2021
Keywords: Foliar nutrition;Complementarity;Species mixture;Fagus sylvatica L;Pinus sylvestris L;Resilience
Abstract: Tree species-mixing has been suggested as one option to counteract the adverse effects of global change on tree mineral nutrition, yet the effect of mixing on nutrient availability remains poorly documented. We therefore analyzed the current foliar nutrient (N, P, K, Ca, Mg) quantities and ilr balances (isometric log transformed ratios between elements or groups of elements) for 261 European beech and 248 Scots pine trees from 15 sites, each consisting of one beech-pine mixed stand and the respective monocultures, across a gradient of environmental conditions in Europe. We hypothesized an overall positive effect of mixing on tree foliar nutrient content, and that this mixing effect would be stronger on nutrient-poor sites. Using linear mixed models and multivariate linear regression models, we first tested for the effects of species (beech/pine) and composition (pure/mixed) across all sites; we then investigated whether the species-mixing effect was related to site fertility. The nutrient composition of beech leaves and pine needles differed significantly for all ilr balances. For both species, significant mixing effects were detected for some nutrients and ilr balances; those effects, however, could not be consistently related to contrasted nutrient composition between species. For most nutrients and ilr balances, the mixing effect was influenced by the site nutritional status, but the pattern differed from expectation: absence or minor differences between monocultures and mixtures at the lower end of the chemical fertility gradient, and maximum differences in rich soils. The contrasting foliar nutrient composition of pine and beech trees and the site nutrient status only partly explained the mixing effects on tree mineral nutrition. Our results claim for a better understanding of nutrientrelated mechanisms associated with complementarity and points towards the need to further expand the existing frameworks to [...]
Affiliation(s): Miškų ir ekologijos fakultetas
Sut. "Bukų žėlimo tyrimai"
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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