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Folia Forestalia Polonica. Seria A - Forestry
Journal Prestige (SJR): 0.194

Number of Followers: 1

This is an Open Access Journal

Open Access journal
ISSN (Print) 0071-6677 - ISSN (Online) 2199-5907
Published by Sciendo

[389 journals]

The effect of commercial thinning in Scots pine stands on the growth of
black cherry
- Abstract: Black cherry (Prunus serotina Ehrh.) is one of the most abundant invasive species found in Polish forests. The mass occurrence of this species in pine stands is one of the main problems of silviculture. Therefore, the paper addresses the problem of the effect of commercial thinning, which increases the access of light to the lower layers of the stand, on the annual growth of rings and the development of black cherry. The study attempted to determine the strength of the progression of the black cherry threat as expressed by increased diameter increment. It was assumed that the thickness increment of mature black cherry individuals after thinning would be significantly greater compared to the average thickness increment before thinning. Over time after the treatment, the average growth of sprouts of black cherry will decrease.Six pine stands differing in age and timing of the silvicultural treatment in the Golub–Dobrzyn Forest District (N 57°81′42″ E 50°20′19″) were analysed. A positive effect of commercial thinning on the thickness increment of black cherry was found in all the studied plots. Over time, the average increment of black cherries resulting from the clearance decreased.Conducting late thinning, in pine stands where black cherry occurs, results in an increased threat of its expansion. To limit the development of black cherry at this stage of pine stand management, two solutions are possible. The first is to abandon late thinning or reduce the intensity of the treatment, which will inhibit its rapid expansion. The second scenario is to limit the occurrence of black cherry a few years before thinning, perform thinning and introduce understorey or underplanting from native competitive tree species.
  PubDate: Sat, 15 Jun 2024 00:00:00 GMT
Obtaining callus and seedlings of – studies of their morphogenetic
capacity and rooting of seedlings
- Abstract: The development of a method to obtain callus of the European white elm, Ulmus laevis, may be a further contribution to the research on elm dieback. In the present study, a seed disinfestation method was developed to extract viable zygotic embryos. Different culture media and combinations of growth regulators were also tested to produce callus and seedlings of European white elm. The growth potential of callus in light and darkness was also investigated to determinate the exact weight gain over a specific period of time. The results of the experiments can be used as a tool for the rapid culture of callus and elm seedlings in large quantities without environmental influences. After selection of a suitable culture medium among those tested, WPM medium proved to be the most effective. It was shown that callus cultures grown in the presence of the regulators 4.646 µM/l kinetin and 4.440 µM/l 6-benzylaminipurine showed the highest quality, as did seedlings with the addition of 1.444 µM/l gibberellin A along with 4.440 µM/l 6-benzylaminipurine in the culture. Thidiazuron proved to be the compound causing rapid browning and subsequent tissue death.
  PubDate: Sat, 15 Jun 2024 00:00:00 GMT
Deforestation as a catalyst for natural disaster and community suffering:
A cycle in the socioecological system
- Abstract: Lore Lindu National Park (LLNP) is a conservation area that contains a lot of wood resources. Various illegal community activities have become widespread, such as illegal mining and illegal logging. So, this research aims to determine the involvement of communities around forest areas in material and wood theft from June to October 2021. To determine forest encroachment, we find explanatory variables, using qualitative description integrated with perceptual tests and Classification and Regression Tree (CART) analysis. Based on the results of the 10-fold cross-validation analysis with the smallest Rcv (x-Val relative error) value of 0.428, with a classification accuracy of 68.6%, a four-node optimum tree was obtained, which explained that as many as 86 forest encroachers were victims of a vast landslide disaster along with flood and whirlwind, due to which there was no longer any property left for them. Their encroachment affected the condition of land cover. The data on the land cover change, from 2010 to 2020, showed a reduction of 15,369.20 ha or 6.90%, which indicated a severe threat to the sustainability of LLNP as a biodiversity conservation area that should be protected. The involvement in illegal logging by communities living around the forest areas resulted from the loss of their agricultural land for their livelihoods due to natural disasters such as flood, landslide and whirlwind that destroyed infrastructure and community settlement facilities. As a result, these losses and destruction were a catalyst for forest destruction. Initially being in the frontline for preserving the forest, however, the community has now turned into silent partners with licensed wood businesspeople. The community eventually becomes a subsystem in the social ecology system (SES), which negatively affects the destruction of forest resources, production and conservation forests.
  PubDate: Sat, 15 Jun 2024 00:00:00 GMT
Change in the productivity of stands of the spruce ( L.) mountain
Carpathian forests district over a 70-year period
- Abstract: The state and comparison of stands of the spruce mountain Carpathian forests district, which involves a significant portion of the forest fund of the State Enterprise ‘Rakhiv Experimental Forestry’, are analysed based on materials of forest management. The analysis examines changes in the area covered by forest vegetation, the formation peculiarities of the main inventory indicators of forest stands and their evolution over an almost 70-year period of forest management activities in the region. The aim of this study is to analyse the forest management materials of the spruce mountain Carpathian forests, focusing on the forest vegetation area and the main management indices of tree stands over a 70-year period. It highlights the intensive economic impact on stands, evidenced by a decrease in average relative completeness. Sustainable forest management necessitates a comprehensive understanding of the ecosystem, encompassing biological, ecological and socioeconomic aspects. Long-term regional studies and modern forest management approaches are crucial for informed decision-making. In addition, involving local communities, stakeholders and experts in decision-making ensures socially acceptable, economically viable and environmentally sound management practices. It is suggested that mitigating the negative impacts of climate change on natural ecosystems involves forming native stands of rational structure and composition in the mountainous Carpathians, recognising the potential benefits of integrating conifers into beech stands and vice versa.
  PubDate: Sat, 15 Jun 2024 00:00:00 GMT
Density optimisation of pine plantations in the Left-Bank Steppe in
ukraine
- Abstract: The paper presents the results of long-term research on different cultivation regimes for planted Scots pine (Pinus sylvestris L.) stands in the experiment initiated by B. Gavrylov in 1932 in the Left-Bank Steppe in Ukraine. The aim of the study is to identify the optimal density of planted pine stands that provides the largest growing stock at the age of 95 years. The study shows that it is possible to form highly productive pine stands by regulating their density within certain limits through their thinning. The results suggest that the intensity of thinning in young pine plantations in the Left-Bank Steppe conditions in Ukraine can vary within a wide range (30–70% of the growing stock). With the increase in the intensity of thinning of pine plantations, the growing stocks do not change significantly, but other stand characteristics, such as average height and average diameter, increase significantly. In young stands, high-intensity thinning creates favourable conditions for the growth of the remaining trees. As the intensity of thinning increases, the number of tending operations in the stand decreases and the operation costs are reduced. Accordingly, the number of interventions in the forest ecosystem decreases. The efficiency of wood mass use increases by decreasing losses from natural decline. The impact of machinery on the environment in such pine stands during harvesting is significantly reduced. Such stands are more resistant to man-caused load as well as to forest pests and diseases. The most rational was the cultivation regime, under which about 1,000 stems·ha−1 were left to the age of 30 for further growth after thinning. At the age of 95, such stands had the largest growing stock and basal area as well as the best health condition.
  PubDate: Sat, 15 Jun 2024 00:00:00 GMT
Implementation of active conservation for butterflies in the faunistic
nature reserves of the Białowieża Forest in 1995–2023
- Abstract: The article deals with the problem of the active conservation of butterflies in the faunistic nature reserves of Białowieża Forest. Białowieża Forest is an extremely valuable and diverse area in which two approaches to nature conservation are used. The first one is passive conservation, a conservative approach whose purpose is to protect natural processes by reducing human intervention. The other one is active conservation, which aims to take steps to protect nature, including by maintaining areas in certain successional stages. Faunistic nature reserves in the Białowieża Forest fit perfectly into this type of consideration. These include four nature reserves: Berezowo, Olszanka Myśliszcze, Przewłoka and Podcerkwa. The aim of their conservation was to preserve the places of occurrence of rare species of butterflies (Lepidoptera, Rhopalocera) for scientific and educational reasons. Butterflies are important flagship taxa for invertebrate conservation. Conservation tasks for nature reserves (Berezowo, Olszanka Myśliszcze, Przewłoka and Podcerkwa) were issued twice, in 2002 and 2003. Currently, there are conservation plans in force for faunistic nature reserves. A total of seven agreements were concluded between the Regional Directorate for Environmental Protection in Białystok and the Białowieża and Hajnówka forest districts. Through the analysis of documentation from 1995 to 2023, the implementation of active protection in these unusual and valuable areas is presented. The analysis was presented both in terms of material and financial aspects. As a result of the agreements, 13 conservation measures were carried out in four nature reserves for a total gross amount of PLN 38.9 thousand. Despite the undeniable needs of active protection in the faunistic nature reserves of the Białowieża Forest, appropriate methods and permanent sources of funding have still not been developed that would enable the protection of these extremely valuable and unique objects. Therefore, the functioning of faunistic nature reserves in the Białowieża Forest in their current form does not bode well for achieving the conservation goal for which they were created.
  PubDate: Sat, 15 Jun 2024 00:00:00 GMT
The share of anthropophytes in the tree stands of urban forests in
Katowice (Silesian upland, S Poland)
- Abstract: Urban forests are an important element of nature in highly urbanised areas. Due to their specificity (e.g. fragmentation, disturbances, alien propagule pressure), they are particularly susceptible to the penetration of alien species. The aim of this study was to determine the share of alien species in the tree stand structure of urban forests in the city of Katowice (Upper Silesian Industrial Region). A total of 50 woody species were recorded in the analysed stands, including 31 native species and 19 of alien origin. The share of alien species in the stands of individual forests was significant, as they constituted from 15% to 44% of the total number. Among the 20 trees most frequently included in the stand, as many as six are species of alien origin (Robinia pseudoacacia L., Padus serotina (Ehrh.) Borkh., Acer negundo L., Quercus rubra L., Juglans regia L. and Fraxinus pennsylvanica Marshall). The most abundant species were Robinia pseudoacacia, Quercus rubra and Padus serotina. The local potential of alien woody species was determined using the index of their abundance in the understory; the highest value of the average abundance index was obtained by Padus serotina, Robinia pseudoacacia, Acer negundo and Quercus rubra. Most alien tree species were more likely to inhabit forest edges (ecotone zone).
  PubDate: Sat, 15 Jun 2024 00:00:00 GMT
Genetic diversity of the Carpathian capercaillie in space and time
- Abstract: Knowledge about changes occurring in the genetic structure of populations is extremely important in the case of endangered species. Research studies conducted in space and time allow us to identify factors that are influencing gene flow. Especially in the case of species occurring in the form of dispersed, more or less isolated populations, this is crucial for developing effective conservation strategies. The Carpathians are one of the most important capercaillies stronghold in Central Europe. The population here is fragmented, and at least, some groups of birds are small and isolated. This study aimed to determine whether the genetic structure of the capercaillie in the Polish part of the Carpathians has changed over the last decade. The research was conducted in three Polish national parks: Babia Góra National Park (BAB), Gorce (GOR) and Tatra (TAT). A total of over 1,300 non-invasive samples were collected for genetic analyses in two periods: 2010–2013 and 2021–2022. Individuals were identified using microsatellite markers. It was found that during the research period, there were approximately 200 capercaillie individuals in the Parks. The level of genetic variability in individual strongholds has not changed significantly. However, traces of a new gene pool were found in BAB, which could have appeared from other areas of the Carpathians where the species is being reintroduced. GOR shows features of a sink population: low genetic variability, low number of individuals and gradual decline in emigration. During the period covered by the study, the genetic structure has changed little: the studied strongholds are partially genetically isolated, but gene flow between BAB and GOR appears to be increasingly limited. TAT is a hybrid and transition zone for gene flow between smaller strongholds. The results emphasize the importance of areas with stable, numerous populations for the survival of smaller, peripheral groups of the capercaillie in mountain areas.
  PubDate: Fri, 08 Mar 2024 00:00:00 GMT
Nanoparticles and magnetic field as novel elicitors improve seed
germination and early growth of Mediterranean cypress
- Abstract: This study aimed to investigate the possibility of increasing the germination traits and early growth characteristics of Mediterranean cypress by applying nanopriming and magnetic field. To perform nanopriming, seeds were primed with nanochitin, nanochitosan and nanocellulose at a concentration of 1% for 2 h. For magnetopriming, the seeds were exposed to a magnetic field at three levels (20, 30 and 40 mT) for 1, 10 and 20 min and then sown. In combined treatment, the seeds were exposed to the magnetic field and then primed in nanoparticle solutions at the same treatments as mentioned earlier, and were planted. Non-exposed seeds were used as a control. The selected seed germination parameters (the percentage and speed of germination, stem and radicle length, collar root diameter, fresh and dry weights of the radicle and stem, number of leaves and leaf area) of young seedlings were examined. The interaction of nano × magnetic resulted in significant differences in the number of leaves, leaf area, length of the radicle, length of the stem, fresh weight of the radicle, fresh weight of the stem and stem dry weight traits. The results showed that among all the applied treatments, 10 min magnetism to 20 mT and then priming with 1% solution of nanocellulose was the best. It increased the germination percentage (1.31 times), germination rate (1.46 times), number of leaves (1.57 times), leaf area (1.36 times) and radicle length (1.74 times) compared to the control (no treatment). A 20-min treatment under a 30-mT magnetic field (without nanoprime) is also recommended.
  PubDate: Fri, 08 Mar 2024 00:00:00 GMT
“Sosny Taborskie” nature reserve as a refuge for rare and
threatened forest lichens
- Abstract: The article presents the results of a lichenological inventory carried out in the “Tabórz Pine” nature reserve, which protects a unique old-growth forest dominated by Scots pine and European beech. The aim of the research was to document the taxonomic and ecological diversity of the lichen biota in the reserve and, on this basis, determine the role and importance of this site as a refuge for stenoecious forest lichens. In an area of 95.32 ha, 118 species of lichens were found, including 43 species included in the Polish national Red List along with 17 species having the status of lowland old-growth forests in Poland. These values allow the reserve to be included in the group of important forest lichen refuges in north-eastern Poland. The obtained results also prove that mixing tree species with complementary ecological features can modify the functioning of the forest not only in terms of its economic features, but also its ecological role in shaping and protecting the species diversity of forest lichens.
  PubDate: Fri, 08 Mar 2024 00:00:00 GMT
Planting patterns in rubber agroforestry () developed by the communities
of Menggala Mas Village, Lampung Province, Indonesia
- Abstract: The agroforestry system provides important economic and ecological benefits for local communities, one of which is obtained from the application of planting patterns and plants species in it. This research aims to explain the planting pattern of rubber agroforestry developed by the community in Menggala Mas Village, Lampung Province, Indonesia. The approach in this research is qualitative. Data collection methods included observation, in-depth interviews, and documentation studies. The planting patterns of agroforestry system on their rubber plants were analysed. The research results showed that there are three agroforestry planting patterns implemented by the community, namely, alley cropping, trees along border and random mixture. The dominant combinations in alley cropping were rubber/karet (Hevea brasiliensis) – pulai (Alstonia scholaris) and rubber–mentru (Schima wallichii) – kayu afrika (Maesopsis eminii). The dominant combinations in trees along border were rubber–akasia (Acacia auriculiformis), rubber–jackfruit (Artocarpus heterophyllus) – cempedak (Artocarpus integer) and rubber–petai (Parkia speciosa) – jati (Tectona grandis). The dominant combinations in the random mixture were rubber–jengkol (Pithecellobium lobatum), rubber–petai–jengkol–akasia, rubber–jackfruit–cempedak, rubber–pulai–mengkudu (Morinda citrifolia L.) – jengkol and rubber–banana (Musa paradisiaca) – gadung (Dioscorea hispida) – sungkai (Peronema canescens Jack). Forty-one plant species were found. The local community wants to develop this planting pattern because the rubber agroforestry planting pattern can provide direct and indirect benefits such as a greater variety of plants which can increase their income; also, the products can be sold or consumed by the family, as a fence, fire break or barrier to other farmers’ land, can provide shade to reduce hot temperatures when farmers are working, and can reduce the risk of flooding and soil erosion to support soil and water conservation within the ‘Omou’ (garden/forest). The government and agricultural extension workers need to carry out regular guidance and outreach programmes regarding rubber agroforestry development strategies to increase public knowledge.
  PubDate: Fri, 08 Mar 2024 00:00:00 GMT
Morpho-molecular identification of the bark beetle (Stebbing, 1909)
(Coleoptera: Curculionidae: Scolytinae) infesting subsp. (Wall. & G.Don)
Cif., along with a brief biological synopsis
- Abstract: In Jammu and Kashmir's Govindpora (Ramban) and Salamabad (Baramulla), horticultural nurseries with a majority of Olea europaea subsp. cuspidata (Wall. & G.Don) Cif. plantings were examined for possible bark beetle attacks. These olive tree plantations are infested with a variety of insect pests, but the bark beetle Hylesinus macmahoni (Stebbing, 1909) did significant harm to the olive trees that carry fruit. The beetle attacks and consumes the phloem tissues of the plant during its development, causing the afflicted trees to become weak and eventually die. At both sites, infestations of H. macmahoni were discovered. The cytochrome oxidase subunit I (COI) gene was used to validate the species' diagnosis, and its morphological characteristics were re-described. The species has a polygynous matting system (one male and two females), producing two full and a third partial generation annually in Kashmir.
  PubDate: Fri, 08 Mar 2024 00:00:00 GMT
Key interpersonal skills of a game warden as part an employee soft skills
assessment from a commitment and performance perspective
- Abstract: The study presents an innovative, proprietary concept of identifying soft skills predisposing individuals to occupy a forestry position, along with the definition and discussion of key factors constituting the assessment criteria. The authors provide their individual perspective on the specific personality traits and attitudes relevant to the assessment of an employee's soft skills concerning their suitability for the given position. Six fundamental categories of skills and attitudes within the realm of soft skills for foresters were identified and proposed for evaluation. These categories included the following:Collaboration and information flow management: This category assessed the ability to effectively collaborate with other company employees and the sense of responsibility for achieving the team's goals. Special attention was paid to how information was communicated, facilitating planning, making changes and executing task effectively.Initiative and engagement: This category focused on the ability and willingness to seek and implement new solutions. It identified and proposed an assessment system for actions such as the forester's submission of new ideas and solutions to emerging problems, their engagement and identification with the company, their drive to improve existing work methods, and their adaptability to new tasks and working conditions resulting from changes.Shaping a positive company image: This category involved evaluating the attitude that leads to dignified and ethical representation of the company through appropriate appearance, behaviour and attitude. It encompassed aspects such as building strong relationships with customers, business partners and the company's environment, making agreements aligned with the company's interests and taking active steps to enhance the positive image of the forestry operation.Collaboration with external entities: This category analysed constructive actions defined as the interaction of the forestry district with external entities aimed at creating a favourable business climate for forestry operations.Independence and decision-making: In this category, competencies for independently managing the Forest District were discussed, without the need for direct supervision. The proposed assessment system considered the traits predisposing the forester to make quick and accurate decisions, anticipate their consequences, take personal responsibility for task execution and accept the consequences of their own or their team's work results.Developing subordinates: The final category analysed teamwork skills, with a particular focus on actions aimed at the systematic development of subordinates, recognising potential, and identifying areas for improvement and providing subordinates with opportunities to gain experience and enhance their qualifications and professional competencies.The assessment of the forester's soft skills in each category was based on a descriptive classification of their behaviour, which was assigned to five groups: unacceptable, below expectations, good, very good and outstanding. An illustrative description of employee behaviour facilitating their classification into one of these groups was developed for each evaluation category. The research results are presented in a Table 1, which shows the identified traits, the system for their identification (specified behaviours subject to assessment) and the assessment system. A rating system based on descriptive indicators was proposed to facilitate a homogeneous and repeatable employee assessment process, which is one of the fundamental elements of human resource management.In today's world, the concept of sustainable development is being replaced by efforts to sustain the system through its regeneration at the economic, social and sociological levels. Therefore, the presented concept of identifying and evaluating soft skills was compared with the principles of management in the Volatility, Uncertainty, Complexity, Ambiguity (VUCA) environment.
  PubDate: Tue, 12 Dec 2023 00:00:00 GMT
Rules for the construction of firebreaks along public roads in selected
European countries
- Abstract: Firebreaks are one of the protective measures used to safeguard forests in case of fire. Their purpose is to limit the possibility of fire spreading. This article describes how these protective measures are implemented along public roads in selected European countries. Based on the information gathered, it was found that there is a wide variety of approaches to firebreaks’ construction, mostly due to different climatic and geomorphological conditions that influence the overall risk of forest fires. The forms of firebreaks used in Europe along public roads are either a mineralised belt (without vegetation) or a cleared belt of materials that are particularly susceptible to ignition and fire spread. Methods combining both are also used.In Poland, there is a Type A belt, that is, a 30-m-wide belt at the border of a roadway or a facility that is free of dead trees, lying branches and felled or broken trees. In the absence of pan-European rules on preventive measures to protect forests from road fires, it might be helpful to establish a set of best practices that could assist in the revision of guidelines in individual countries.
  PubDate: Tue, 12 Dec 2023 00:00:00 GMT
Analysis of sales, costs and demands for timber species in selected timber
markets of Plateau State, Nigeria
- Abstract: In this study, analysis of sales, costs and demands for timber species was carried out in selected timber markets of Plateau State, Nigeria. Association as well as relationship between factors influencing timber sales, costs and demands were investigated, and the dependency of timber sales on factors affecting it was ascertained. Data obtained through administration of 400 structured questionnaires were analysed. Results from the use of descriptive statistics showed that Khaya senegalensis (mahogany) was the mostly demanded timber species by consumers, and that the cost per timber species for most of the sawn woods ranged between N1001 and N1500, which was equivalent to US $2.42–$3.63 using the current conversion rate of Nigerian Naira 413.83 to 1US dollar. Pairwise use of Pearson product moment correlation (PPMC) indicated positive correlation between timber sales and variables representing costs, demands, stored timber and spoiled timber species. F-test statistics showed that timber sales were significantly affected, and t-test aided identification of the extent to which timber sales were affected by costs, demands, stored timber and spoiled timber species. Further analysis of results using multiple linear regression (MLR) gave a model representing dependence of timber sales on factors affecting them. With a positive correlation and relationship between variables, possibility of future increase in timber sales may be experienced due to increase in demand coupled with other factors. Therefore, timber regulatory agencies have to put in place measures to encourage planting of trees such as Khaya senegalensis (mahogany), whose timber species are mainly demanded by consumers of wood products, and curb excessive overexploitation of forests in Plateau State, Nigeria.
  PubDate: Tue, 12 Dec 2023 00:00:00 GMT
Analysis of the genetic diversity and population structures of black
locust ( L.) stands in Poland based on simple sequence repeat markers
- Abstract: Black locust (Robinia pseudoacacia L.) was introduced in Poland over 200 years ago, and its distribution area now covers the whole country, with the highest concentration of occurrence in the western part. Breeding of this species has been started in Poland for about 20 years, albeit on a limited scale, and two selected seed stands, 34 plus trees and two seed orchards have been registered. So far, selection efforts have not been coupled with the recognition of variation in the genetic structure of local populations. To fill the knowledge gap on genetic diversity, we selected the seven qualitatively best populations of R. pseudoacacia for our study. To clarify the origin of the Polish population of R. pseudoacacia, a sample from a seed stand in eastern Germany and from a seed orchard with Hungarian clones from the Oborniki Śląskie Forest District was added. In this study, three microsatellites were used to evaluate genotypes: Rops15, Rops16 and Rops18, with the Rops15 locus (motif AG) showing hypermutability. Moderate or high variability was observed in all microsatellite loci examined, with a total of 27 alleles identified. In all stands, the average observed number of alleles per locus was higher than the average effective number of alleles per locus. Three main clusters have been identified in the genetic structure of the population, one of which is represented by the population from the Regional Directorate of State Forests in Zielona Góra. The second group comprised the populations from Mieszkowice, the populations Pińczów and Wołów, and the population from Germany. The last one included population from Strzelce and Oborniki Śląskie, where the population from Hungary is represented. This may be of great importance for practice. Perhaps it is worth postulating the separation of two seed regions. Under most scenarios, climate change is projected to change the distribution of forest types and tree species in all biomes. It can be assumed that the importance of black locust in times of climate change is likely to increase.
  PubDate: Tue, 12 Dec 2023 00:00:00 GMT
Some aspects of the methodological approach in the progeny testing of
European larch in Poland
- Abstract: In Poland, the tree improvement programme was initiated in 2004, but the trials for European larch (Larix decidua Mill.) did not start until 2021. Our aim is to present certain aspects of the methodological approach of progeny testing for this species. The European larch, known for its rapid growth among native coniferous trees in Europe, holds great promise for forest breeding. Unfortunately, its natural range in Poland is limited, with rare but well-known valuable provenances. In 2023, six progeny tests were established using the same 130 open-pollinated families, derived from plus trees originating from valuable seed regions (Md51, Md61, Md71) and areas below 52° N latitude. After a decade of growth, the results will be used to identify valuable genotypes and establish advanced-generation seed orchards.
  PubDate: Tue, 12 Dec 2023 00:00:00 GMT
GIS analyses of land consolidation in case of the highly fragmentated of
parcels
- Abstract: AbstractSpatial planning and arrangement work of rural areas is constantly being renovated to improve the living conditions, land distribution and to facilitate work in this area by reducing the costs of transport. The most effective solution is consolidation and exchange of land, which is a difficult and time-consuming process. However, it significantly facilitates everyday functioning of the inhabitants of the village. It assumes reduction of plots of land belonging to the farm by increasing the area of other plots, regulating the shape, ensuring access to the public road and shortening the distances of individual farmland to their habitats (built on site). The purpose of this work was the analysis of land consolidation and exchange process for the village of Lukowa with the use of Geographical Information System (GIS) tools. Primary aim set at the beginning of the project is to compare the state before the land consolidation and the design of the parcel posting after consolidation. QGIS free software has been used to solve this problem. Two basic activities were carried out to compare the distance between built-up land and the remaining farmland. For this purpose, two analyses were performed: network analyses assuming the calculation of distance along the shape of roads and linear analyses determining the shortest distances between plots on a straight line. The work considers the real land distribution, the calculation of which is a time-consuming task. Many factors must be considered to accurately determine the correct distances. It is shown what difficulties and problems occur during the collection of data for analysis, with the correct indication of habitats and indicating the road network or aggregation of adjacent plots of one owner.
  PubDate: Fri, 01 Sep 2023 00:00:00 GMT
What affects the choice of forestry profession by Ukrainian students'
- Abstract: AbstractCurrently, Ukraine is outlining a problem with the recruitment of students to the Faculty of Forestry. The solution to this problem is possible only if the necessity of transformation of the forestry industry and the corresponding transformation of the forestry education system are realised. Based on the study of scientific literature, the main motivating factors, according to which future students decide to become foresters, were identified. These factors were included in a questionnaire offered to first-year forestry students. The results of the questionnaire were compared with the data from the scientific articles. As a result, some aspects to pay attention to in order to increase the attractiveness of forestry as a field of study were identified. It was found that the predominant motivating factors for choosing a forestry profession are enjoyment of nature, recreation in nature, spending time in the fresh air, concern for the environment and interest in forests. Salary of forestry specialists proved to be the strongest factor for hesitation in choosing the profession. The next step of our research will probably be to investigate the opinion of Ukrainian students about the quality of educational programmes.
  PubDate: Fri, 01 Sep 2023 00:00:00 GMT
Scots pine stands in the Left-Bank Forest-Steppe of Ukraine
- Abstract: AbstractThe article presents the results of the research on the features of Pinus sylvestris L. condition and productivity in forest stands of the Left-Bank Forest-Steppe of Ukraine (in Kharkiv and Sumy regions) for 2006–2021. The study was carried out using the ‘Forests of Ukraine’ Database as of 01.01.2017, and the results of field research at 30 temporary sample plots (TSP), 3 permanent sample plots (PSP) (in 2006–2018), and 13 monitoring plots (2009–2021). Generally accepted methods and new standards were used.The dynamics of forestry and evaluation indicators of Scots pine stands at sample plots were analyzed and compared with high-productive Scots pine stands. The characteristics of natural regeneration are given. It was revealed that the age structure of pine stands is not optimal: there is an excess of middle-aged stand areas.Changes in the structure and development of managed Scots pine stands with respect to changing environmental conditions were observed for 2009–2021. Studied forest stands showed a tendency for negative changes in stand structural characteristics related to regeneration and growth.Drought mainly in combination with even medium anthropogenic impact can further worsen the health status of Scots pine stands in lowland areas of the Left-Bank Forest-Steppe of Ukraine. Thus, the formulation of forest management measures to mitigate the impact of these stress factors is needed.
  PubDate: Fri, 01 Sep 2023 00:00:00 GMT

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