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Iskalni niz: "avtor" (Dušan Gömöry) .

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1.
Genetic variability of pedunculate oak (Quercus robur L.) at the Mediterranean margin of the distribution range
Mirzeta Memišević Hodžić, Barbara Fussi, Dušan Gömöry, Dalibor Ballian, 2021, pregledni znanstveni članek

Povzetek: In Bosnia and Herzegovina, pedunculate oak (Quercus robur L.) occurs at the southern margin of its distribution range, close to the glacial refugia of this species. To assess the patterns of genetic diversity distribution at the rear edge of the Holocene colonization, we studied genetic variation in 20 pedunculate oak populations using 14 allozyme loci. Despite considerable differences among populations, neither the numbers of alleles nor genetic diversity showed any geographical trend within the studied area, although small isolated populations showed generally lower allelic richness. The Bayesian analysis of population structure indicated a kind of geographical pattern. We identified no signs of a recent bottleneck. The proximity to multiple glacial refugia explains the outcomes.
Ključne besede: pedunculate oak, allozyme, genetic variability, marginal populations, rear edge
Objavljeno v DiRROS: 22.07.2022; Ogledov: 223; Prenosov: 116
.pdf Celotno besedilo (833,22 KB)
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2.
Genetic aspects linked to production and use of forest reproductive material (FRM) : collecting scientific evidence for developing guidelines and decision support tools for effective FRM management
Dušan Gömöry, Katri Himanen, Mari Mette Tollefsrud, Claes Uggla, Hojka Kraigher, Sandor Bordacs, Paraskevi Alizoti, Stuart A'Hara, Aline Frank, Gunnar Friis Proschowsky, Josef Frýdl, Thomas Geburek, Monique Guibert, Mladen Ivanković, Ana Jurše, Stuart Kennedy, Jan Kowalczyk, Heike Liesebach, Tiit Maaten, Andrej Pilipović, Roberta Proietti, Volker Schneck, Alain Servais, Brynjar Skúlason, Christoph Sperisen, Frank Wolter, Tefide Yüksel, Michele Bozzano, 2021, slovar, enciklopedija, leksikon, priročnik, atlas, zemljevid

Povzetek: This report summarises the current state of knowledge in genetic aspects linked to the production and use of forest reproductive material (FRM). The first chapter describes the different categories of FRM, considers the strategic choice between artificial and natural regeneration in the face of climate change, and articulates the need for and purposes of FRM. Chapter 2 outlines the FRM production chain, in terms of: i) FRM approval, management, collection and certification (seed sources, stands, orchards, plus trees and clones others); ii) Testing standards and examples; iii) Effect of seed and seedling material not intended for use as FRM on forest genetic resources; iv) Breeding effects on basic material including conservation strategy; v) Harvesting, processing and storage of seeds; vi) Nursery practices; vii) Certification and Traceability; and viii) FRM Trading and Transport. Chapter 3 examines FRM with regard to: i) Forest regeneration strategies % especially considering climate change, and ii) Assisted migration and available decision support tools. Chapter 4 provides a detailed overview of forest establishment methods, and chapter 5 looks at keeping records of seed origin to improve forest management. The final chapter offers 38 recommendations arising from the review. This work is the result of an international collaboration rooted in EUFORGEN for more than two decades. It is built on the firm belief that the genetic element is decisive for the creation of a resilient forest capable of surviving threats and adapting to changes, thus enabling the evolution of ecosystems and the conservation of the productive landscape.
Ključne besede: forest reproductive material
Objavljeno v DiRROS: 05.11.2021; Ogledov: 559; Prenosov: 298
.pdf Celotno besedilo (5,81 MB)
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3.
Genetska variabilnost bukve (Fagus sylvatica L.) v Sloveniji
Robert Brus, Sonja Horvat-Marolt, Ladislav Paule, Dušan Gömöry, 1999, izvirni znanstveni članek

Povzetek: Raziskava obravnava genetsko variabilnost, genetsko raznolikost in genetsko diferenciacijo bukve (Fagus sylvatica L.) v Sloveniji. S pomočjo izoencimske analize smo pregledali 13 avtohtonih bukovih populacij. Polimorfizem smo odkrili na 11 od 12 analiziranih izoencimskih lokusih, 9 lokusov je polimorfnih v vseh populacijah. Opazen je rahel trend naraščanja genetske variabilnosti v smeri od severa proti jugu, medtem ko povprečna ugotovljena heterozigotnost Ho od severa proti jugu upada. Genetska diferenciranost je razmeroma majhna, med populacijami pa nismo odkrili diferenciranosti, ki bi ji lahko pripisali jasno geografsko pogojenost.
Ključne besede: bukev, Fagus sylvatica, areal razširjenosti, genetska variabilnost, genetska raznolikost, genetska diferenciacija, Slovenija
Objavljeno v DiRROS: 12.07.2017; Ogledov: 4010; Prenosov: 1736
.pdf Celotno besedilo (869,74 KB)

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