Germination and seed traits in common alder (Alnus spp.): the potential contribution of rear-edge populations to ecological restoration success

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Germination and seed traits in common alder (Alnus spp.) : the potential contribution of rear-edge populations to ecological restoration success

Gomes Marques, Inês (författare): Forest Research Centre, School of Agriculture, University of Lisbon, Tapada da Ajuda, Lisbon, Portugal

Faria, Carla (författare): Forest Research Centre, School of Agriculture, University of Lisbon, Tapada da Ajuda, Lisbon, Portugal

Conceição, Sofia Isabel Rodrigues (författare): Linking Landscape, Environment, Agriculture and Food (LEAF), School of Agriculture, University of Lisbon, Tapada da Ajuda, Lisbon, Portugal

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Jansson, Roland, 1967- (författare): Umeå universitet,Institutionen för ekologi, miljö och geovetenskap

Corcobado, Tamara (författare): Federal Research and Training Centre for Forests, Natural Hazards and Landscape (BFW), Vienna, Austria; Phytophthora Research Centre, Mendel University, Brno, Czech Republic

Milanović, Slobodan (författare): Faculty of Forestry, University of Belgrade, Kneza Višeslava 1, Belgrade, Serbia; Faculty of Forestry and Wood Technology, Mendel University, Zemědělská 3, Brno, Czech Republic

Laurent, Yann (författare): Ecology and Ecosystem Health, National Institute for Agriculture, Food and Environment (INRAE), Institut Agro, Agrocampus Ouest, UMR 985 ESE, 65 rue de Saint-Brieuc, Rennes Cedex, France

Bernez, Ivan (författare): Ecology and Ecosystem Health, National Institute for Agriculture, Food and Environment (INRAE), Institut Agro, Agrocampus Ouest, UMR 985 ESE, 65 rue de Saint-Brieuc, Rennes Cedex, France

Dufour, Simon (författare): Université Rennes 2, CNRS, UMR LETG, Rennes Cedex, France

Mandák, Bohumil (författare): Institute of Botany, Czech Academy of Sciences, Zámek 1, Pruhonice, Czech Republic; Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Praha-Suchdol, Czech Republic

Ennouni, Hassan (författare): Bio-Agrodiversity Team, Applied Botany Laboratory, Department of Biology, Faculty of Sciences, Abdelmalek Essaâdi University, BP 2062, Tétouan, Morocco

Sahli, Abdelouahab (författare): Bio-Agrodiversity Team, Applied Botany Laboratory, Department of Biology, Faculty of Sciences, Abdelmalek Essaâdi University, BP 2062, Tétouan, Morocco

Ater, Mohammed (författare): Bio-Agrodiversity Team, Applied Botany Laboratory, Department of Biology, Faculty of Sciences, Abdelmalek Essaâdi University, BP 2062, Tétouan, Morocco

Dorado, Francisco Javier (författare): Faculty of Forestry, Institute for Dehesa Research (Indehesa), University of Extremadura, Avenida Virgen del Puerto 2, Plasencia, Spain

Caperta, Ana Delaunay (författare): Linking Landscape, Environment, Agriculture and Food (LEAF), School of Agriculture, University of Lisbon, Tapada da Ajuda, Lisbon, Portugal

David, Teresa Soares (författare): Forest Research Centre, School of Agriculture, University of Lisbon, Tapada da Ajuda, Lisbon, Portugal; National Institute of Agricultural and Veterinary Research (INIAV), Av. da República, Quinta do Marquês, Oeiras, Portugal

Solla, Alejandro (författare): Faculty of Forestry, Institute for Dehesa Research (Indehesa), University of Extremadura, Avenida Virgen del Puerto 2, Plasencia, Spain

Rodríguez-González, Patricia María (författare): Forest Research Centre, School of Agriculture, University of Lisbon, Tapada da Ajuda, Lisbon, Portugal

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2021-09-06
2022
Engelska.
Ingår i: Restoration Ecology. - : Wiley. - 1061-2971 .- 1526-100X. ; 30:3

Relaterad länk:: https://doi.org/10.1...; visa fler...; https://umu.diva-por... (primary) (Raw object); https://onlinelibrar...; https://urn.kb.se/re...; https://doi.org/10.1...; visa färre...

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The degradation of riparian ecosystems occurring throughout the past decades has motivated efforts aimed at the restoration of these ecosystems. The success of active revegetation approaches to restoration requires appropriate selection of reproductive material, which in turn requires knowledge of seed traits and germination. Alnus glutinosa (L.) Gaertn. (common alder) is a key riparian tree widely used in restoration projects, and has recently been classified as comprising three species: A. glutinosa; A. lusitanica Vít, Douda, & Mandák; and A. rohlenae Vít, Douda, & Mandák. To help guide restoration species selection, we assessed differences among populations of these species by (1) investigating seed weight, morphology, and germination success from a large population set and (2) modeling germination success in each species in relation to morphological traits and environmental conditions. Seeds were collected from 12 populations encompassing the latitudinal extremes of the species complex, and were then characterized and germinated. Ploidy levels and species were distinguished using cytometric analysis. Site-level climatic data and seed morphology data were used to model germination success for each species. All seed traits differed between populations and one morphological-trait (seed weight-to-area ratio) differed significantly between the three species. Germination modeling showed that the southwestern species, A. lusitanica, responded positively to high temperature extremes, suggesting tolerance to the climate changes projected for southern Europe. Populations of A. lusitanica located at the latitudinal rear edge of common alder's distribution appear to show establishment-facilitating adaptations, and therefore may contribute to ecological restoration efforts under a range of environmental conditions.

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NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Botanik

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Ekologi

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Germination and seed traits in common alder (Alnus spp.) : the potential contribution of rear-edge populations to ecological restoration success

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