To learn more about the map elements, please download the "Pan-European strategy for genetic conservation of forest trees"
This distribution map has been developed by the European Commission Joint Research Centre (partly based on the EUFORGEN map) and released under Creative Commons Attribution 4.0 International (CC-BY 4.0)
Caudullo, G., Welk, E., San-Miguel-Ayanz, J., 2017. Chorological maps for the main European woody species. Data in Brief 12, 662-666. DOI: https://doi.org/10.1016/j.dib.2017.05.007
The following experts have contributed to the development of the EUFORGEN distribution maps:
Fazia Krouchi (Algeria), Hasmik Ghalachyan (Armenia), Thomas Geburek (Austria), Berthold Heinze (Austria), Rudi Litschauer (Austria), Rudolf Litschauer (Austria), Michael Mengl (Austria), Ferdinand Müller (Austria), Franz Starlinger (Austria), Valida Ali-zade (Azerbaijan), Vahid Djalal Hajiyev (Azerbaijan), Karen Cox (Belgium), Bart De Cuyper (Belgium), Olivier Desteucq (Belgium), Patrick Mertens (Belgium), Jos Van Slycken (Belgium), An Vanden Broeck (Belgium), Kristine Vander Mijnsbrugge (Belgium), Dalibor Ballian (Bosnia and Herzegovina), Alexander H. Alexandrov (Bulgaria), Alexander Delkov (Bulgaria), Ivanova Denitsa Pandeva (Bulgaria), Peter Zhelev Stoyanov (Bulgaria), Joso Gracan (Croatia), Marilena Idzojtic (Croatia), Mladen Ivankovic (Croatia), Željka Ivanović (Croatia), Davorin Kajba (Croatia), Hrvoje Marjanovic (Croatia), Sanja Peric (Croatia), Andreas Christou (Cyprus), Xenophon Hadjikyriacou (Cyprus), Václav Buriánek (Czech Republic), Jan Chládek (Czech Republic), Josef Frýdl (Czech Republic), Petr Novotný (Czech Republic), Martin Slovacek (Czech Republic), Zdenek Špišek (Czech Republic), Karel Vancura (Czech Republic), Ulrik Bräuner (Denmark), Bjerne Ditlevsen (Denmark), Jon Kehlet Hansen (Denmark), Jan Svejgaard Jensen (Denmark), Kalev Jðgiste (Estonia), Tiit Maaten (Estonia), Raul Pihu (Estonia), Ülo Tamm (Estonia), Arvo Tullus (Estonia), Aivo Vares (Estonia), Teijo Nikkanen (Finland), Sanna Paanukoski (Finland), Mari Rusanen (Finland), Pekka Vakkari (Finland), Leena Yrjänä (Finland), Daniel Cambon (France), Eric Collin (France), Alexis Ducousso (France), Bruno Fady (France), François Lefèvre (France), Brigitte Musch (France), Sylvie Oddou-Muratorio (France), Luc E. Pâques (France), Julien Saudubray (France), Marc Villar (France), Vlatko Andonovski (FYR Macedonia), Dragi Pop-Stojanov (FYR Macedonia), Merab Machavariani (Georgia), Irina Tvauri (Georgia), Alexander Urushadze (Georgia), Bernd Degen (Germany), Jochen Kleinschmit (Germany), Armin König (Germany), Armin König (Germany), Volker Schneck (Germany), Richard Stephan (Germany), H. H. Kausch-Blecken Von Schmeling (Germany), Georg von Wühlisch (Germany), Iris Wagner (Germany), Heino Wolf (Germany), Paraskevi Alizoti (Greece), Filippos Aravanopoulos (Greece), Andreas Drouzas (Greece), Despina Paitaridou (Greece), Aristotelis C. Papageorgiou (Greece), Kostas Thanos (Greece), Sándor Bordács (Hungary), Csaba Mátyás (Hungary), László Nagy (Hungary), Thröstur Eysteinsson (Iceland), Adalsteinn Sigurgeirsson (Iceland), Halldór Sverrisson (Iceland), John Fennessy (Ireland), Ellen O'Connor (Ireland), Fulvio Ducci (Italy), Silvia Fineschi (Italy), Bartolomeo Schirone (Italy), Marco Cosimo Simeone (Italy), Giovanni Giuseppe Vendramin (Italy), Lorenzo Vietto (Italy), Janis Birgelis (Latvia), Virgilijus Baliuckas (Lithuania), Kestutis Cesnavicius (Lithuania), Darius Danusevicius (Lithuania), Valmantas Kundrotas (Lithuania), Alfas Pliûra (Lithuania), Darius Raudonius (Lithuania), Robert du Fays (Luxembourg), Myriam Heuertz (Luxembourg), Claude Parini (Luxembourg), Fred Trossen (Luxembourg), Frank Wolter (Luxembourg), Joseph Buhagiar (Malta), Eman Calleja (Malta), Ion Palancean (Moldova), Dragos Postolache (Moldova), Gheorghe Postolache (Moldova), Hassan Sbay (Morocco), Tor Myking (Norway), Tore Skrøppa (Norway), Anna Gugala (Poland), Jan Kowalczyk (Poland), Czeslaw Koziol (Poland), Jan Matras (Poland), Zbigniew Sobierajski (Poland), Maria Helena Almeida (Portugal), Filipe Costa e Silva (Portugal), Luís Reis (Portugal), Maria Carolina Varela (Portugal), Ioan Blada (Romania), Alexandru-Lucian Curtu (Romania), Lucian Dinca (Romania), Georgeta Mihai (Romania), Mihai Olaru (Romania), Gheorghe Parnuta (Romania), Natalia Demidova (Russian Federation), Mikhail V. Pridnya (Russian Federation), Andrey Prokazin (Russian Federation), Srdjan Bojovic (Serbia) , Vasilije Isajev (Serbia), Saša Orlovic (Serbia), Rudolf Bruchánik (Slovakia), Roman Longauer (Slovakia), Ladislav Paule (Slovakia), Gregor Bozič (Slovenia), Robert Brus (Slovenia), Katarina Celič (Slovenia), Hojka Kraigher (Slovenia), Andrej Verlič (Slovenia), Marjana Westergren (Slovenia), Ricardo Alía (Spain), Josefa Fernández-López (Spain), Luis Gil Sanchez (Spain), Pablo Gonzalez Goicoechea (Spain), Santiago C. González-Martínez (Spain), Sonia Martin Albertos (Spain), Eduardo Notivol Paino (Spain), María Arantxa Prada (Spain), Alvaro Soto de Viana (Spain), Lennart Ackzell (Sweden), Jonas Bergquist (Sweden), Sanna Black-Samuelsson (Sweden), Jonas Cedergren (Sweden), Gösta Eriksson (Sweden), Markus Bolliger (Switzerland), Felix Gugerli (Switzerland), Rolf Holderegger (Switzerland), Peter Rotach (Switzerland), Marcus Ulber (Switzerland), Sven M.G. de Vries (The Netherlands), Khouja Mohamed Larbi (Tunisia), Murat Alan (Turkey), Gaye Kandemir (Turkey), Gursel Karagöz (Turkey), Zeki Kaya (Turkey), Hasan Özer (Turkey), Hacer Semerci (Turkey), Ferit Toplu (Turkey), Mykola M. Vedmid (Ukraine), Roman T. Volosyanchuk (Ukraine), Stuart A'Hara (United Kingdom), Joan Cottrell (United Kingdom), Colin Edwards (United Kingdom), Michael Frankis (United Kingdom), Jason Hubert (United Kingdom), Karen Russell (United Kingdom), C.J.A. Samuel (United Kingdom).
Status of Abies nordmanniana conservation in Europe
Caucasian fir populations have been shown to have high allelic richness and low differentiation, which is consistent with other fir species (Kaya, Skaggs, and Neale, 2008; Hrivnák et al., 2017). Most genetic variation is within populations, with only small genetic variation between populations (Nielsen, Xu, and Hansen, 2020). Some regional subpopulations of Caucasian fir have higher allelic richness and heterozygosity than average for the species and higher genetic diversity than other fir species such as Cilician fir (Abies cilicica) (Hrivnák et al., 2017). Some genetic clustering shows a geographical pattern associated with mountain ranges, which act as natural barriers to gene flow (Hrivnák et al., 2017).
The bibliographic review was conducted by James Chaplin of the EUFORGEN Secretariat in August 2024.
The taxonomical status of Caucasian fir is complicated and unclear (Alizoti et al., 2011; Hrivnák et al., 2017). Trojan fir (Abies equi-trojani), Turkish fir (Abies bornmuelleriana), and Nordmann fir (Abies nordmanniana subsp. nordmanniana) were at one time described as separate species but were later described as subspecies of Caucasian fir, with some literature referring to all three as one species (Hrivnák et al., 2017). Even Cilician fir is not always referred to as a separate species to Caucasian fir (Hrivnák et al., 2017).
Gene exchange and hybridization occurs regularly between Trojan, Turkish and Nordmann fir, creating “transitional” individuals between these three species and making identification more difficult (Hrivnák et al., 2017). It is likely that Trojan, Turkish, and Nordmann fir all share a common ancestral species as the genetic distance between these species is small (Kaya, Skaggs, and Neale, 2008). While Caucasian fir is less differentiated from other fir species, it is still genetically distinct (Hrivnák et al., 2017).
The bibliographic review was conducted by James Chaplin of the EUFORGEN Secretariat in August 2024.
Caucasian fir is recognized as a species of least concern. However, climate change is predicted to intensify summer droughts in the Mediterranean, presenting a serious threat for fir forests (Alizoti et al., 2011). Across the Mediterranean, overharvesting, grazing, prolonged drought, and wildfires are major threats to Mediterranean firs (Alizoti et al., 2011).
Breeding programmes for Caucasian fir have already been initiated, such as in Denmark in the early 1990s, because of the species’ economic importance (Nielsen, Xu, and Hansen, 2020). Caucasian fir is also covered by protected areas in Türkiye and in ex situ conservation in test sites, plantations, and arboreta in Denmark and France (Alizoti et al., 2011). The species may even offer an opportunity to tackle predicted forest decline caused by climate change by being used in reforestation efforts in Europe (Alizoti et al., 2011).
The bibliographic review was conducted by James Chaplin of the EUFORGEN Secretariat in August 2024.
Genetic Characterisation of Abies nordmanniana and its GCUs
Availability of FRM
FOREMATIS
Abies spp - Technical guidelines for genetic conservation and use for Mediterranean firs
Publication Year: 2011Due to the threats, endemism and geographically scattered distribution, the conservation of Mediterranean firs and their genetic resources is a major challenge.
The genetic resources of the firs are currently conserved in various protected areas that have rarely been established for this purpose. Due to their evolutionary history and specific adaptation, the fir forests harbour unique genetic resources that are important beyond the Mediterranean. Thus, the establishment of conservation units for the firs that meet pan-European minimum requirements for dynamic gene conservation is of crucial importance.
At present, several of the species and their genetic resources are protected either in situ (national parks, nature reserves and gene conservation units) or ex situ (conservation seed orchards and stands). The critically endangered A. nebrodensis is conserved in situ in the Madonie Regional Park in Sicily, but the reinforcement of the species has been problematic mainly due to soil degradation in its natural habitat. A. nebrodensis is also conserved ex situ in a seed orchard (with grafts of the 29 remaining individuals of the species) in Arezzo, in botanical gardens (40 000 plants in the Botanical Garden of Palermo), arboreta and in private properties in the Madonie Mountains close to the natural habitat. A. borisiiregis and A. cephalonica are protected in situ in various protected areas in Greece. Genetic material, representing almost the whole natural distribution of the fir species, is included in provenance trials established in Greece and France. A. cilicica is protected in national parks, nature reserves and seed stands in ten areas in Turkey and in Lebanon while in Syria it is considered as an endangered species. A. equi-trojani is conserved in situ in the Kazdagi Goknari nature reserve in Turkey. A. nordmanniana is also covered by protected areas in Turkey and several provenances are growing ex situ in test sites, plantations and arboreta in Denmark and France. The A. pinsapo forests are included in three protected areas in Spain. A. numidica is protected in the Djebel Barbor nature reserve located in the Petite Kabylia Mountain range of Algeria and the same provenance is reportedly also conserved in ex situ stands. At present A. marocana is conserved in a nature reserve in Morocco and seven ex situ stands have also been established for the species.
Climate change will have an impact on the current in situ conservation efforts but it is difficult to predict its effect on seed production, natural regeneration and recruitment of the firs as well as on the risks from insects and pathogens. The dynamic gene conservation units should be monitored in order to ensure that the populations are not seriously affected and that they retain their evolutionary potential and regenerate naturally. Management of the units should aim mainly at assisting natural regeneration and when this is not possible, the area should be artificially regenerated with local genetic material. Management of natural forests should also safeguard genetic resources by allowing natural selection to occur on regeneration in a variety of situations. Ex situ conservation efforts should focus on small populations that have an endangered status, insufficient seed production or unsuccessful pollination in their natural environment. This approach is useful especially in case of rare species or species with limited or scattered distribution as ex situ stands with a sufficient number of genotypes form new interbreeding populations that will produce seeds with a potentially high genetic diversity.
Mediterranean firs offers an opportunity to tackle the predicted forest decline in southern Europe as a result of climate change. A. nordmanniana has already been used for reforestation in Europe. Other Mediterranean firs (particularly A. cephalonica, A. bornmuelleriana and A. cilicica) are far less water demanding and could represent an alternative for silver fir (A. alba) in Europe. Fir provenance tests in the Mediterranean include material that has demonstrated good growth, adaptation to drought and late bud burst in spring. Such provenances of Mediterranean firs could be of interest for the European forestry.
Due to the threats, endemism and geographically scattered distribution, the conservation of Mediterranean firs and their genetic resources is a major challenge.
The genetic resources of the firs are currently conserved in various protected areas that have rarely been established for this purpose. Due to their evolutionary history and specific adaptation, the fir forests harbour...
Contacts of experts
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Further reading
Sevik, H., Yahyaoglu, Z., and Turna, I. 2012. Determination of genetic variation between populations of Abies nordmanniana subsp. bornmulleriana Mattf according to some seed characteristics. In: M. Çalişkan, ed. Genetic diversity in plants, pp. 231–248. London, IntechOpen.
References
Alizoti, P.G., Fady, B., Prada, M.A., and Vendramin, G.G. 2011. EUFORGEN Technical Guidelines for genetic conservation and use of Mediterranean firs (Abies spp.). Rome, Bioversity International. 6 pp.
Hrivnák, M., Paule, L., Krajmerová, D., Kulaç, Ş., Şevik, H., Turna, İ., Tvauri, I., and Gömöry, D. 2017. Genetic variation in Tertiary relics: The case of eastern‐Mediterranean Abies (Pinaceae). Ecology and Evolution, 7(23): 10018–10030.
Kaya, Z., Skaggs, A., and Neale, D.B. 2008. Genetic differentiation of Abies equi-trojani (Asch. & Sint. ex Boiss) Mattf. populations from Kazdağı, Turkey and the genetic relationship between Turkish firs belonging to the Abies nordmanniana Spach complex. Turkish Journal of Botany, 32(1): 1. https://journals.tubitak.gov.tr/botany/vol32/iss1/1
Nielsen, U.B., Xu, J., and Hansen, O.K. 2020. Genetics in and opportunities for improvement of Nordmann fir (Abies nordmanniana (Steven) Spach) Christmas tree production. Tree Genetics & Genomes, 16(5): 66. https://doi.org/10.1007/s11295-020-01461-z
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