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Volumen 67 (2021): Edición 3 (September 2021)

Volumen 67 (2021): Edición 2 (June 2021)

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Detalles de la revista
Formato
Revista
eISSN
2454-0358
Publicado por primera vez
14 Dec 2009
Periodo de publicación
4 veces al año
Idiomas
Inglés

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Volumen 68 (2022): Edición 2 (June 2022)

Detalles de la revista
Formato
Revista
eISSN
2454-0358
Publicado por primera vez
14 Dec 2009
Periodo de publicación
4 veces al año
Idiomas
Inglés

Buscar

6 Artículos
access type Acceso abierto

Woodland planting on UK pasture land is not economically feasible, yet is more profitable than some traditional farming practices

Publicado en línea: 09 May 2022
Páginas: 61 - 71

Resumen

Abstract

Increasing ecosystem service provision is a key strategy of the UK’s ongoing agricultural and environmental policy reforms. Enhancing forest cover by 4%, particularly on the least productive agricultural land, aims to maximise carbon sequestration and achieve net zero by 2050. Multiple factors affect the sequestration potential of afforestation schemes and landowner participation in them, highlighting the need for spatially explicit research. We used the InVEST Carbon Model to investigate the Loddon Catchment, southeast England as a study area. We assessed the carbon sequestration potential and economic feasibility of three broadleaved woodland planting scenarios; arable, pasture, and stakeholder-approved (SA) scenario. We found that over a 50-year time horizon, woodland planting on arable land has the greatest sequestration potential (4.02 tC ha−1 yr−1), compared to planting on pasture land (3.75 tC ha−1 yr−1). When monetising carbon sequestration at current market rates, woodland planting on agricultural land incurs a loss across all farm types. However, when including the value of unpaid labour, lowland pasture farms presently incur a greater loss (−€285.14 ha−1 yr−1) than forestry (−€273.16 ha−1 yr−1), making forestry a more economical land use. Subsidising up to the social value of carbon (€342.23 tC−1) significantly reduces this loss and may make afforestation of pasture land more appealing to farmers. Woodland planting on lowland pasture land would increase forest cover by up to 3.62%. However, due to the influence of farmer attitudes on participation, it is more realistic for afforestation to occur on lowland pasture land in the SA scenario, equating to a 0.74% increase.

Palabras clave

  • carbon sequestration
  • land use
  • afforestation
  • planting scenarios
  • ecosystem services
  • climate change mitigation
access type Acceso abierto

Growth of Scots pine (Pinus sylvestris L.) stands on soils with close bedding of crystalline parent rocks in Central Polissya, Ukraine

Publicado en línea: 09 May 2022
Páginas: 72 - 77

Resumen

Abstract

The wide ecological range of Scots pine (Pinus sylvestris L.) demonstrates its ability to adapt to different environments. This study aimed to assess the dynamics of growth and productivity of Scots pine stands growing on soils with crystalline parent rock outcrops. The study area is located in the north of Ukraine in the Central Polissya within 50°15’ and 50°06’ north latitudes and 29°22’ and 29°86’ east longitudes. The base of the geological structure is granite. The depth of the parent rock bedding ranges from 15 to 86 cm. In total, 18 research plots were laid out on soils with crystalline rock outcrops and 18 research plots on sites with deep bedding of crystalline rocks (> 60 cm). To test the difference in stands growth within and outside sites with the crystalline outcrops, we used the Welch t-test. Pine forests on areas with deep bedding of parent rocks are systematically higher than those growing on sites with crystalline outcrops. With an increase of stand age, the difference between specified groups tends to be more significant. Stands growing on sites with and without crystalline rocks outcrops have similar dynamics, however, the latter ones accumulate more growing stock volume due to higher relative stocking, site index, mean diameter, and the number of trees. Our findings indicate the feasibility of establishing Scots pine stands in sites with different depths of the crystalline parent rocks bedding in Central Polissya, Ukraine.

Palabras clave

  • Scots pine
  • granitic rocks
  • productive capacity
  • mathematical models
  • yield tables
access type Acceso abierto

Radial increment and defoliation of Pinus sylvestris (L.) on sandy soils relate to summer temperatures and ground water level

Publicado en línea: 09 May 2022
Páginas: 78 - 90

Resumen

Abstract

The study deals with the analysis of the impact of climate and ground water table level on radial increment and defoliation of Scots pine (Pinus sylvestris L.) growing on sandy soils. The research was performed in the area of the Borska nížina (i.e. Borská Lowland, situated in southwest of Slovakia), where a substantial die-back of pine trees has been observed in the last decade. Increment measurements and defoliation assessment were performed at 150 adult trees of Scots pine growing at three permanent monitoring plots within the international network of ICP Forests during the years 1989–2018. We examined the impact of climatic and hydrological factors on selected features of pine using the methods of correlation analysis and linear mixed models. Statistical analyses confirmed that the annual radial increment of Scots pine significantly depended on the mean air temperature from June to August, and mean ground water level in the mentioned months. These two factors also significantly correlated with crown defoliation. The factors explained 26% and 32% of increment and defoliation variability, respectively. From the long-term perspective, our analyses indicated that the decrease of ground water level by 0.5 m in summer resulted in the increase of defoliation by 10%. The obtained results indicate a further increase of Scots pine die-back on easy-to-dry sandy soils in regions with low precipitation totals, particularly considering the ongoing climate change and its inherent factors.

Palabras clave

  • Scots pine
  • tree growth
  • crown condition
  • ground water
  • climate change
access type Acceso abierto

Bioeconomy perception by students of different study programs – study from Slovakia

Publicado en línea: 09 May 2022
Páginas: 91 - 100

Resumen

Abstract

The paper builds on previous international research done by Masiero et al. (2020). It applies on Slovak national level and expands the previous study with different study programs. The societal transformation towards bioeconomy provides an opportunity for changing current economy and societies into more sustainable ones with mitigation of the environmental pressures at hearts. Such societal transition requires involvement of all stakeholders in bio-economy discussion and decision-making process and studying their perceptions of bioeconomy. Amongst all the stakeholders, future generation is particularly important, as it is important to understand bioeconomy perception by the generation of stakeholders that will manage this area in the near future. For that reason, we focus our attention on students of three bioeconomy related areas at the Technical University in Zvolen (forestry studies, wood processing studies and natural resources management studies). We were able to identify significant differences in bioeconomy perception between analyzed categories. The familiarity with the concept is quite high, as more then two thirds have heard about bioeconomy before the survey was conducted. As the main information sources were selected news, university courses and social media. The study program had a greater impact on perceived importance of forests within bioeconomy than the type of study. Overall, students perceive development of forest-based bioeconomy as favouring sustainable forest management.

Palabras clave

  • bioeconomy
  • perception
  • higher education
  • university students
access type Acceso abierto

Population genetic diversity in Quercus robur and Ulmus laevis in Southern Urals (Russia): a comparatively study of adults and progeny in localities with contrast forest cover

Publicado en línea: 09 May 2022
Páginas: 101 - 108

Resumen

Abstract

Extensive forest areas decreased and fragmented during anthropogenic development of the zone of broad-leaved forest tree species in Russia. The pedunculate oak (Quercus robur L.) and the European white elm (Ulmus laevis Pall.), important key components of these ecosystems, suffered last few centuries of extreme climate events, attacks of insects and diseases. Using ISSR genetic markers, we compared expected heterozygosity and allelic diversity of these two species in natural and artificial stands, planted and naturally regenerated progeny. Weak differences in the genetic diversity in Q. robur and U. laevis were revealed in areas with different forest cover and participation of the species in a stand composition. Overall, we found that the genetic diversity of parent natural and artificial stands is well reproducing in natural offspring and planted saplings. But the tree species studied express both higher and lower heterozygosity in planted trees in comparison to natural stands.

Palabras clave

  • broad-leaved tree species
  • forest decline
  • genetic diversity
  • ISSR markers
access type Acceso abierto

Indicators of caesium 137 concentration in forest litter and health status of pines (Pinus sylvestris L.) in the Chernobyl zone

Publicado en línea: 09 May 2022
Páginas: 109 - 115

Resumen

Abstract

We analyse the concentration of caesium-137 (137Cs) in forest litter in relation to forest site conditions. The research was carried out in 2004–2019 in the Krasnogorsk district of the Bryansk region (the Russian Federation). It covered three areas corresponding to the exclusion zone, compulsory resettlement zone, and the zone of residence of the population with the right to resettlement. In all these areas, the concentration of 137Cs in forest litter and the condition of pine stands was studied. We revealed that the forest litter contains more than 90% of 137Cs in all combustible materials. The content of 137Cs in fallen branches, bark, cones, and needles varies from 10 to 15%. More than 50% of the specific activity, which is an indicator of 137Cs content, accounts for needles of pine phytocenoses. In 2019, the best state of pines was recorded for older trees. At the age of 60–80 years, 13% of the studied forest stands were classified as weakened, 87% – as very weakened, and 0% as dying. In the 40–56 age group, dying out and very weakened stands accounted for 50% each, whereas weakened ones were not revealed at all. The interaction between 137Cs and tree age was not identified.

Palabras clave

  • Caesium-137
  • Chernobyl
  • forest conditions
  • pines
  • radionuclides
6 Artículos
access type Acceso abierto

Woodland planting on UK pasture land is not economically feasible, yet is more profitable than some traditional farming practices

Publicado en línea: 09 May 2022
Páginas: 61 - 71

Resumen

Abstract

Increasing ecosystem service provision is a key strategy of the UK’s ongoing agricultural and environmental policy reforms. Enhancing forest cover by 4%, particularly on the least productive agricultural land, aims to maximise carbon sequestration and achieve net zero by 2050. Multiple factors affect the sequestration potential of afforestation schemes and landowner participation in them, highlighting the need for spatially explicit research. We used the InVEST Carbon Model to investigate the Loddon Catchment, southeast England as a study area. We assessed the carbon sequestration potential and economic feasibility of three broadleaved woodland planting scenarios; arable, pasture, and stakeholder-approved (SA) scenario. We found that over a 50-year time horizon, woodland planting on arable land has the greatest sequestration potential (4.02 tC ha−1 yr−1), compared to planting on pasture land (3.75 tC ha−1 yr−1). When monetising carbon sequestration at current market rates, woodland planting on agricultural land incurs a loss across all farm types. However, when including the value of unpaid labour, lowland pasture farms presently incur a greater loss (−€285.14 ha−1 yr−1) than forestry (−€273.16 ha−1 yr−1), making forestry a more economical land use. Subsidising up to the social value of carbon (€342.23 tC−1) significantly reduces this loss and may make afforestation of pasture land more appealing to farmers. Woodland planting on lowland pasture land would increase forest cover by up to 3.62%. However, due to the influence of farmer attitudes on participation, it is more realistic for afforestation to occur on lowland pasture land in the SA scenario, equating to a 0.74% increase.

Palabras clave

  • carbon sequestration
  • land use
  • afforestation
  • planting scenarios
  • ecosystem services
  • climate change mitigation
access type Acceso abierto

Growth of Scots pine (Pinus sylvestris L.) stands on soils with close bedding of crystalline parent rocks in Central Polissya, Ukraine

Publicado en línea: 09 May 2022
Páginas: 72 - 77

Resumen

Abstract

The wide ecological range of Scots pine (Pinus sylvestris L.) demonstrates its ability to adapt to different environments. This study aimed to assess the dynamics of growth and productivity of Scots pine stands growing on soils with crystalline parent rock outcrops. The study area is located in the north of Ukraine in the Central Polissya within 50°15’ and 50°06’ north latitudes and 29°22’ and 29°86’ east longitudes. The base of the geological structure is granite. The depth of the parent rock bedding ranges from 15 to 86 cm. In total, 18 research plots were laid out on soils with crystalline rock outcrops and 18 research plots on sites with deep bedding of crystalline rocks (> 60 cm). To test the difference in stands growth within and outside sites with the crystalline outcrops, we used the Welch t-test. Pine forests on areas with deep bedding of parent rocks are systematically higher than those growing on sites with crystalline outcrops. With an increase of stand age, the difference between specified groups tends to be more significant. Stands growing on sites with and without crystalline rocks outcrops have similar dynamics, however, the latter ones accumulate more growing stock volume due to higher relative stocking, site index, mean diameter, and the number of trees. Our findings indicate the feasibility of establishing Scots pine stands in sites with different depths of the crystalline parent rocks bedding in Central Polissya, Ukraine.

Palabras clave

  • Scots pine
  • granitic rocks
  • productive capacity
  • mathematical models
  • yield tables
access type Acceso abierto

Radial increment and defoliation of Pinus sylvestris (L.) on sandy soils relate to summer temperatures and ground water level

Publicado en línea: 09 May 2022
Páginas: 78 - 90

Resumen

Abstract

The study deals with the analysis of the impact of climate and ground water table level on radial increment and defoliation of Scots pine (Pinus sylvestris L.) growing on sandy soils. The research was performed in the area of the Borska nížina (i.e. Borská Lowland, situated in southwest of Slovakia), where a substantial die-back of pine trees has been observed in the last decade. Increment measurements and defoliation assessment were performed at 150 adult trees of Scots pine growing at three permanent monitoring plots within the international network of ICP Forests during the years 1989–2018. We examined the impact of climatic and hydrological factors on selected features of pine using the methods of correlation analysis and linear mixed models. Statistical analyses confirmed that the annual radial increment of Scots pine significantly depended on the mean air temperature from June to August, and mean ground water level in the mentioned months. These two factors also significantly correlated with crown defoliation. The factors explained 26% and 32% of increment and defoliation variability, respectively. From the long-term perspective, our analyses indicated that the decrease of ground water level by 0.5 m in summer resulted in the increase of defoliation by 10%. The obtained results indicate a further increase of Scots pine die-back on easy-to-dry sandy soils in regions with low precipitation totals, particularly considering the ongoing climate change and its inherent factors.

Palabras clave

  • Scots pine
  • tree growth
  • crown condition
  • ground water
  • climate change
access type Acceso abierto

Bioeconomy perception by students of different study programs – study from Slovakia

Publicado en línea: 09 May 2022
Páginas: 91 - 100

Resumen

Abstract

The paper builds on previous international research done by Masiero et al. (2020). It applies on Slovak national level and expands the previous study with different study programs. The societal transformation towards bioeconomy provides an opportunity for changing current economy and societies into more sustainable ones with mitigation of the environmental pressures at hearts. Such societal transition requires involvement of all stakeholders in bio-economy discussion and decision-making process and studying their perceptions of bioeconomy. Amongst all the stakeholders, future generation is particularly important, as it is important to understand bioeconomy perception by the generation of stakeholders that will manage this area in the near future. For that reason, we focus our attention on students of three bioeconomy related areas at the Technical University in Zvolen (forestry studies, wood processing studies and natural resources management studies). We were able to identify significant differences in bioeconomy perception between analyzed categories. The familiarity with the concept is quite high, as more then two thirds have heard about bioeconomy before the survey was conducted. As the main information sources were selected news, university courses and social media. The study program had a greater impact on perceived importance of forests within bioeconomy than the type of study. Overall, students perceive development of forest-based bioeconomy as favouring sustainable forest management.

Palabras clave

  • bioeconomy
  • perception
  • higher education
  • university students
access type Acceso abierto

Population genetic diversity in Quercus robur and Ulmus laevis in Southern Urals (Russia): a comparatively study of adults and progeny in localities with contrast forest cover

Publicado en línea: 09 May 2022
Páginas: 101 - 108

Resumen

Abstract

Extensive forest areas decreased and fragmented during anthropogenic development of the zone of broad-leaved forest tree species in Russia. The pedunculate oak (Quercus robur L.) and the European white elm (Ulmus laevis Pall.), important key components of these ecosystems, suffered last few centuries of extreme climate events, attacks of insects and diseases. Using ISSR genetic markers, we compared expected heterozygosity and allelic diversity of these two species in natural and artificial stands, planted and naturally regenerated progeny. Weak differences in the genetic diversity in Q. robur and U. laevis were revealed in areas with different forest cover and participation of the species in a stand composition. Overall, we found that the genetic diversity of parent natural and artificial stands is well reproducing in natural offspring and planted saplings. But the tree species studied express both higher and lower heterozygosity in planted trees in comparison to natural stands.

Palabras clave

  • broad-leaved tree species
  • forest decline
  • genetic diversity
  • ISSR markers
access type Acceso abierto

Indicators of caesium 137 concentration in forest litter and health status of pines (Pinus sylvestris L.) in the Chernobyl zone

Publicado en línea: 09 May 2022
Páginas: 109 - 115

Resumen

Abstract

We analyse the concentration of caesium-137 (137Cs) in forest litter in relation to forest site conditions. The research was carried out in 2004–2019 in the Krasnogorsk district of the Bryansk region (the Russian Federation). It covered three areas corresponding to the exclusion zone, compulsory resettlement zone, and the zone of residence of the population with the right to resettlement. In all these areas, the concentration of 137Cs in forest litter and the condition of pine stands was studied. We revealed that the forest litter contains more than 90% of 137Cs in all combustible materials. The content of 137Cs in fallen branches, bark, cones, and needles varies from 10 to 15%. More than 50% of the specific activity, which is an indicator of 137Cs content, accounts for needles of pine phytocenoses. In 2019, the best state of pines was recorded for older trees. At the age of 60–80 years, 13% of the studied forest stands were classified as weakened, 87% – as very weakened, and 0% as dying. In the 40–56 age group, dying out and very weakened stands accounted for 50% each, whereas weakened ones were not revealed at all. The interaction between 137Cs and tree age was not identified.

Palabras clave

  • Caesium-137
  • Chernobyl
  • forest conditions
  • pines
  • radionuclides

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