scholarly journals Comparison of A Cable-Based and a Ground-Based System in Flat and Soil-Sensitive Area: A Case Study from Southern Baden in Germany

Forests ◽  
2020 ◽  
Vol 11 (6) ◽  
pp. 611 ◽  
Author(s):  
Janine Schweier ◽  
Christian Ludowicy
Keyword(s):  
Forest Management ◽  
Mixed Forest ◽  
Good Alternative ◽  
Forest Stand ◽  
Sensitive Area ◽  
Costs And Benefits ◽  
Flat Terrain ◽  
Manual Felling ◽  
High Share

The results of this study showed that the application of cable-based systems in flat terrain must not necessarily be more cost intensive than its application in other terrains. In recent years, criteria other than purely economic ones have been taken into account in forest management decisions, with the aim of avoiding ecosystem damage and promoting better ecosystem services. Since precipitation in winter is becoming more intensive and weeks with frozen soils are becoming rare, one option might be the use of cable-based instead of ground-based extraction systems. Both vary in terms of economy and flexibility. Thus, it is important to make reliable estimates of potential costs and benefits before an operation is conducted. The aim of this study was to analyze a cable-based and a ground-based extraction system that could be applied to a forest stand in a flat and soil-sensitive area. The study, based on a cable-based operation, was conducted in a mixed forest stand that was vulnerable to traffic. Furthermore, we modeled an alternative operation focusing on a ground-based system, addressing the soil vulnerability by considering manual felling, processing, and use of a combi-forwarder for extraction. In the cable-based system, yarding productivity was high (20.3 m3ub/PMH15) due to several reasons, such as a high share of larger dimension timber, the fact that heavy timber was partially de-limbed and processed motor-manually in the stand, the fact that a mini forestry crawler was used for pre-winching the material and finally due to the experience of the operators. Resulting costs for harvesting and extraction were on average €27.8/m3ub. In the ground-based system, costs were on a comparable level (€28.30/m3ub). In our case, the application of a cable yarder in flat terrain was a good alternative and should be considered in future forest management to support environmentally friendly operations and allow independent planning of the operation.

The costs and benefits of multistage configuration: A framework and case study

2021 ◽  
pp. 107095
Author(s):  
Jeppe Bredahl Rasmussen ◽  
Anders Haug ◽  
Sara Shafiee ◽  
Lars Hvam ◽  
Niels Henrik Mortensen ◽  
...  
Keyword(s):  
Costs And Benefits

scholarly journals Land Use Spatial Optimization for Sustainable Wood Utilization at the Regional Level: A Case Study from Vietnam

Forests ◽  
2021 ◽  
Vol 12 (2) ◽  
pp. 245
Author(s):  
Nguyen Dang Cuong ◽  
Köhl Michael ◽  
Mues Volker
Keyword(s):  
Land Use ◽  
Forest Management ◽  
Forest Plantations ◽  
Land Resource ◽  
Forest Landscape ◽  
Timber Supply ◽  
Landscape Restoration ◽  
Forest Landscape Restoration ◽  
Wood Utilization

Forest landscape restoration is a widely accepted approach to sustainable forest management. In addition to revitalizing degraded sites, forest landscape restoration can increase the supply of sustainable timber and thereby reduce logging in natural forests. The current study presents a spatial land use optimization model and utilizes a linear programming algorithm that integrates timber production and timber processing chains to meet timber demand trade-offs and timber supply. The objective is to maximize yield and profit from forest plantations under volatile timber demands. The model was parameterized for a case study in Thai Nguyen Province, Vietnam, where most forest plantations grow Acacia mangium (A. mangium). Data were obtained from field surveys on tree growth, as well as from questionnaires to collect social-economic information and determine the timber demand of local wood processing mills. The integration of land use and wood utilization approaches reduces the amount of land needed to maintain a sustainable timber supply and simultaneously leads to higher yields and profits from forest plantations. This forest management solution combines economic and timber yield aspects and promotes measures focused on economic sustainability and land resource efficiency.

scholarly journals Incorporating Ecosystem Services in the Assessment of Water Framework Directive Programmes of Measures

2021 ◽  
Author(s):  
Ioannis Souliotis ◽  
Nikolaos Voulvoulis
Keyword(s):  
Ecosystem Services ◽  
Water Framework Directive ◽  
Water Status ◽  
Monitoring And Evaluation ◽  
Well Being ◽  
Ecological Condition ◽  
Costs And Benefits ◽  
Ecological Objectives ◽  
The Eu

AbstractThe EU Water Framework Directive requires the development of management responses aimed towards improving water quality as a result of improving ecosystem health (system state). Ecosystems have potential to supply a range of services that are of fundamental importance to human well-being, health, livelihoods and survival, and their capacity to supply these services depends on the ecosystem condition (its structure and processes). According to the WFD, Programmes of Measures should be developed to improve overall water status by reducing anthropogenic catchment pressures to levels compatible with the achievement of the ecological objectives of the directive, and when designed and implemented properly should improve the ecological condition of aquatic ecosystems that the delivery of ecosystem services depends on. Monitoring and evaluation of implemented measures are crucial for assessing their effectiveness and creating the agenda for consecutive planning cycles. Considering the challenges of achieving water status improvements, and the difficulties of communicating these to the wider public, we develop a framework for the evaluation of measures cost-effectiveness that considers ecosystem services as the benefits from the reduction of pressures on water bodies. We demonstrate its application through a case study and discuss its potential to facilitate the economic analysis required by the directive, and that most European water authorities had problems with. Findings demonstrate the potential of the methodology to effectively incorporate ecosystem services in the assessment of costs and benefits of proposed actions, as well as its potential to engage stakeholders.

Equity Mechanisms in Traditional Forest Management Systems: A Case Study of Loita Forest in Kenya

2015 ◽  
Vol 34 (4) ◽  
pp. 380-405 ◽  
Author(s):  
Musingo T. E. Mbuvi ◽  
Josephine K. Musyoki ◽  
Paul O. Ongugo
Keyword(s):  
Forest Management ◽  
Management Systems

The influence of NGO involvement on local people's perception of forest management: a case study of community forestry in Nepal

2005 ◽  
Vol 10 (6) ◽  
pp. 453-463 ◽  
Author(s):  
Kasumi Ito ◽  
Yumi Oura ◽  
Hiroyuki Takeya ◽  
Shigeaki Hattori ◽  
Katsuhiro Kitagawa ◽  
...  
Keyword(s):  
Forest Management ◽  
Community Forestry ◽  
People’S Perception

scholarly journals Assessment of Leaf Litter Decomposition in a Pine and Beech Mixed Forest: Case Study in Northern Spain

2020 ◽  
Vol 3 (1) ◽  
pp. 25
Author(s):  
David Candel-Pérez ◽  
J. Bosco Imbert ◽  
Maitane Unzu ◽  
Juan A. Blanco
Keyword(s):  
Chemical Composition ◽  
Forest Management ◽  
Leaf Litter ◽  
Litter Decomposition ◽  
Mixed Forest ◽  
Decomposition Process ◽  
Tree Canopy ◽  
Natural State ◽  
Nutrient Cycles ◽  
Decomposition Rates

The promotion of mixed forests represents an adaptation strategy in forest management to cope with climate change. The mixing of tree species with complementary ecological traits may modify forest functioning regarding productivity, stability, or resilience against disturbances. Litter decomposition is an important process for global carbon and nutrient cycles in terrestrial ecosystems, also affecting the functionality and sustainability of forests. Decomposition of mixed-leaf litters has become an active research area because it mimics the natural state of leaf litters in most forests. Thus, it is important to understand the factors controlling decomposition rates and nutrient cycles in mixed stands. In this study, we conducted a litter decomposition experiment in a Scots pine and European beech mixed forest in the province of Navarre (north of Spain). The effects of forest management (i.e., different thinning intensities), leaf litter types, and tree canopy on mass loss and chemical composition in such decomposing litter were analysed over a period of three years. Higher decomposition rates were observed in leaf litter mixtures, suggesting the existence of positive synergies between both pine and beech litter types. Moreover, a decomposition process was favoured under mixed-tree canopy patches. Regarding thinning treatments significant differences on decomposition rates disappeared at the end of the study period. Time influenced the nutrient concentration after the leaf litter incubation, with significant differences in the chemical composition between the different types of leaf litter. Higher Ca and Mg concentrations were found in beech litter types than in pine ones. An increase in certain nutrients throughout the decomposition process was observed due to immobilization by microorganisms (e.g., Mg in all leaf litter types, K only in beech leaves, P in thinned plots and under mixed canopy). Evaluating the overall response in mixed-leaf litters and the contribution of single species is necessary for understanding the litter decomposition and nutrient processes in mixed-forest ecosystems.

scholarly journals The influence of common property rights on forest management policy: a case study in Sardinia region, Italy

2012 ◽  
Vol 56 (1) ◽  
pp. 16-26 ◽  
Author(s):  
Alessandro Paletto ◽  
Isabella De Meo ◽  
Fabrizio Ferretti
Keyword(s):  
Forest Management ◽  
Property Rights ◽  
Common Property ◽  
Private Property ◽  
Local Development ◽  
Management Policy ◽  
Private Forests ◽  
The Public ◽  
The Common

Abstract The property rights and the type of ownership (private owners, public domain and commons) are two fundamental concepts in relationship to the local development and to the social and environmental sustainability. Common forests were established in Europe since the Middle Ages, but over the centuries the importance of commons changed in parallel with economic and social changes. In recent decades, the scientific debate focused on the forest management efficiency and sustainability of this type of ownership in comparison to the public and private property. In Italy common forests have a long tradition with substantial differences in the result of historical evolution in various regions. In Sardinia region the private forests are 377.297 ha, the public forests are 201.324 ha, while around 120.000 ha are commons. The respect of the common rights changed in the different historical periods. Today, the common lands are managed directly by municipalities or indirectly through third parties, in both cases the involvement of members of community is very low. The main objective of the paper is to analyse forest management differences in public institutions with and without common property rights. To achieve the objective of the research the forest management preferences of community members and managers were evaluated and compared. The analysis was realized through the use of the principal-agent model and it has been tested in a case study in Sardinia region (Arci-Grighine district). The analysis of the results showed that the categories of actors considered (members of community, municipalities and managers) have a marked productive profile, but municipalities manage forests perceiving a moderate multifunctionality. Moreover, the representatives of the municipalities pay more attention to the interests of the collectivity in comparison to the external managers. They also attribute high importance to environmental and social forest functions.

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