scholarly journals Forest genetic resources in Serbia: State and recommendations for improvement in this area

2014 ◽  
pp. 51-70 ◽  
Author(s):  
Mirjana Sijacic-Nikolic ◽  
Jelena Milovanovic ◽  
Marina Nonic

Forest genetic resources, which represent genetic diversity contained in the thousands of forest tree species, take a significant place in total biodiversity of Serbia. The forest ecosystems of Serbia include about 250 indigenous tree species which, according to geographical-floral elements, belong to the Middle-European, Pontic and Mediterranean element. Within the available gene pool, special attention should be addressed to wild fruit tree species and those species which are relict, endemic, rare and endangered according to the IUCN categorization. The regulatory basis for conservation and directed utilization of forest genetic resources in Serbia can be found in the strategic and legal acts in the field of environmental protection, nature conservation and forestry. Previous activities in the conservation of forest genetic resources are insufficient, whereby the level of their endangerment is continuously increasing as a result of deforestation and climate change. This situation requires a clear definition of a national strategy of conservation and directed utilization of forest genetic resources in Serbia, as a basis for planning activities in this area based on best practices.

2001 ◽  
Vol 152 (5) ◽  
pp. 162-168 ◽  
Author(s):  
Reiner Finkeldey

The genetic information about forest trees is not only of crucial importance for the yield of forestry production systems,but also for determining the evolutionary adaptive potential of tree populations. Thus, the stability of forest ecosystems depends on the sustainable management of forest genetic resources. In this context, tree breeding and conservation of forest genetic resources are mentioned as main applications of research in forest genetics. Genetic inventories are conducted in order to observe the spatial distribution of genetic information at gene marker loci. Such studies allow us to elucidate the evolutionary history of populations and, thus, to draw conclusions about their evolutionary adaptability. Results of a genetic inventory of oak (Quercus spp.) populations native to Switzerland are presented, and their significance for the characterization of genetic systems and adaptive potential is discussed. Future research into forest genetics should aim at improving our understanding of the relationship between variation at biochemical and molecular marker loci and adaptive processes in forest tree populations. The temporal dynamics of genetic structures of forest tree populations as a consequence of anthropogenic environmental change is another important topic of forest genetics in particular for the conservation of rare species.


2010 ◽  
Vol 161 (6) ◽  
pp. 231-238
Author(s):  
Aristotelis C. Papageorgiou ◽  
Andreas D. Drouzas

The conservation of genetic diversity is crucial for the maintenance of the adaptability of forest tree populations. Main international and regional initiatives for the conservation of forest genetic resources are presented in this article. Key players at the international level are the FAO and the IUFRO, while at the European level MCPFE and EUFORGEN have been most active. During the last decades, conservation of forest genetic resources has changed its focus, from the maintenance of economically important species, provenances or genes, to the enhancement of the adaptability of forest populations towards future environmental changes. Thus, the conservation of forest genetic resources, besides the activities connected with ex situ collections of reproductive material and tree breeding programmes, involves forest management measures and guidelines and becomes a cross-cutting issue, not only for forestry, but for other economic activities influencing forests as well.


2021 ◽  
Vol 63 (2) ◽  
pp. 88-96
Author(s):  
Ihor Neyko ◽  
Veronika Monarkh ◽  
Svitlana Poznyakova ◽  
Mykhailo Matusyak

Abstract Forest genetic resources (FGRs) are an important source of biodiversity conservation and forest restoration. Today, more than 600 genetic reserves (GRs) of more than 30 main forest tree species have been allocated in Ukraine. The main aim of the work is to reveal the features of the distribution, environmental condition and the trends of state of in situ gene sources of broadleaved tree species in the Right-Bank Forest-Steppe of Ukraine. Based on the research results, it has been established that the share of FGR in situ is only 0.3–0.5% of the total forest area of the region. The predominant species of forest stands of the region are English oak (Quercus robur L.) – 37.7%, European beach (Fagus sylvatica L.) – 26.8% and Common ash (Fraxinus excelsior L.) – 7.6%. The in situ locations of Black alder (Alnus incana L.), Sessile oak (Quercus petraea (Matt.) Liebl.), English oak and Common ash are characterized by the highest average annual temperature (8.1–8.2°С), the accumulated temperatures for the growing season (3111.9–3237.1°С). Stands with the European beech predominance are allocated in better moisture conditions by the precipitation-temperatures ratio (Selianinov Hydrothermal Index (HTI) – 1.769–1.802; climatic index by Vorobyov – 2.707–2.951). The in situ gene pool conservation units are defined by 12 soil types that are included in the 7 main groups according to the FAO international classification. The largest number of sites, 67 (56.8%), is concentrated on grey and dark-grey forest soils (Haplic Greyzems) (47%). According to the research results, GRs are not evenly distributed, they do not fully reflect the environmental diversity, and their area is negligible. We indicated the unsatisfactory condition of most genetic reserves. It was caused by reducing the share of main tree species, decrease in relative stocking density of stands and tree-breeding structure and deterioration of tree stands condition. This requires the development and implementation of an integration strategy based on the established concept of developing a national ecological network on both national and pan-European levels.


Author(s):  
MM Rahman ◽  
W Parvin ◽  
N Sultana ◽  
SAM Tarek

The present study was carried out to advance towards the conserving threatened forest tree species of Bangladesh under ex-situ conservation system. Four thousand plants of forty eight threatened forest tree species were conserved at three areas, namely Institute of Forestry and Environmental Sciences, Chittagong University; Radar Unit of Bangladesh Air Force, Cox‟s Bazar; and the Keochia research station of Bangladesh Forest Research Institute. The average 90-95% plants survived in each conservation site and the maximum average plant height was recorded as 4.0m after two years of plantation. It will provide a wider buffer for the protection of the forest gene resources. J. Biodivers. Conserv. Bioresour. Manag. 2018, 4(2): 89-98


Author(s):  
Lambert G. Ouedraogo ◽  
Haoua Sary ◽  
Christiane S. Yameogo-Gamene ◽  
Oblé Neya

2007 ◽  
pp. 7-21 ◽  
Author(s):  
Mirjana Sijacic-Nikolic ◽  
Jelena Milovanovic

Forest genetic resources represent the genetic diversity contained in the thousands of species of forest trees on the earth. their conservation is a set of activities and strategies, which are performed in the aim of ensuring the continued existence, evolution and availability of these resources for the present and future generations. the aim of genetic resource management is the enhancement of conditions for the continual evolution of the species which is the defensive mechanism of the organisms in the struggle with environmental changes.


2009 ◽  
Vol 18 (2) ◽  
pp. 132
Author(s):  
J. Salcedo ◽  
M. Baena ◽  
X. Scheldeman ◽  
B. Vinceti ◽  
L. Willemen

Sign in / Sign up

Export Citation Format

Share Document