Academic literature on the topic 'Thinning practice area'

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Journal articles on the topic "Thinning practice area"

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Nakajima, Tohru, Hidesat Kanomata, Satoshi Tatsuhara, and Norihiko Shiraishi. "Simulation of the spatial distribution of thinning area under different silvicultural subsidy systems in Japanese plantation forests." Folia Forestalia Polonica, Series A - Forestry 53(1) (March 1, 2011): 3–16. https://doi.org/10.5281/zenodo.30810.

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The aim of this study was to simulate the effect of spatial thinning on the distribution of non-industrial private forests (NIPFs) and predict the thinning area under different subsidy systems in Hokkaido prefecture, Japan. The simulated thinning area is based on a Geographic Information System (GIS) and an algorithm that considers the stand condition and applicability of different subsidies for conducting thinning. The accuracy of the simulations was checked by comparing observed and predicted thinning area data. In Shimokawa municipality the thinning area was significantly smaller than in Fu
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Mohamed ARBA, Atmane ELLADI, and Hicham OUACHOUO. "Current state of ‘Majhoul’ date palm in the Tinejdad region, Tafilalet area, Morocco." International Journal of Science and Research Archive 12, no. 2 (2024): 2432–40. http://dx.doi.org/10.30574/ijsra.2024.12.2.1571.

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This research work was carried out on about twenty farms of different sizes where ‘Majhoul’ date palm is cultivated in the various oases extensions in the Tinejdad region, Tafilalet area. It focused on the cultivation practices of this variety, mainly fruit thinning which is crucial in the production of ‘Majhoul’ date palm and concerned about farmers because of its high cost as it requires skilled labor. And this in order to study the impact of this manual thinning on the production costs of ‘Majhoul’ date palm in the region and to make an alternative to this manual practice which is expensive
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Govedar, Zoran. "Classification of trees and the effects of thinning in the artificially established spruce stand in the area of Sokolina-Kotor Varos." Bulletin of the Faculty of Forestry, no. 96 (2007): 29–43. http://dx.doi.org/10.2298/gsf0796029g.

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The classifications of trees are mainly based on descriptive (attributive) characters and they have a great significance in thinning. In forestry practice (tree marking for felling, forest inventory, etc) in the Republic of Srpska, the most frequently applied classifications are silvicultural-technical (UT) and technical classification of trees, which are based on the knowledge of tree species, stem diameter and stem quality. In IUFRO classification, based on the silvicultural role of trees, and in UT classification, the trees are classified in three categories. The knowledge and application o
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Wilkinson, Matthew, Peter Crow, Edward L. Eaton, and James I. L. Morison. "Effects of management thinning on CO<sub>2</sub> exchange by a plantation oak woodland in south-eastern England." Biogeosciences 13, no. 8 (2016): 2367–78. http://dx.doi.org/10.5194/bg-13-2367-2016.

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Abstract. Forest thinning, which removes some individual trees from a forest stand at intermediate stages of the rotation, is commonly used as a silvicultural technique and is a management practice that can substantially alter both forest canopy structure and carbon storage. Whilst a proportion of the standing biomass is removed through harvested timber, thinning also removes some of the photosynthetic leaf area and introduces a large pulse of woody residue (brash) to the soil surface, which potentially can alter the balance of autotrophic and heterotrophic respiration. Using a combination of
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Wongprom, Jetsada, Somporn Maelim, Wasan Chandaeng, Sakhan Teejuntuk, Monthathip Sommeechai, and Decha Duangnamon. "EFFECT OF THINNING ON GROWTH AND WOOD PRODUCTION OF NATURALLY REGENERATED 8-YEAR-OLD ACACIA MANGIUM WILLD. PLANTATION ON ABANDONED MINING AREA, SOUTHERN THAILAND." BIOTROPIA 30, no. 3 (2023): 308–17. http://dx.doi.org/10.11598/btb.2023.30.3.1919.

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Thinning is an important practice for promoting growth and maintaining forest plantation for wood production from the remaining trees. In this study, thinning was carried out in a naturally regenerated 8-year-old Acacia mangium plot in the Phangnga Forestry Research Station. Three thinning schemes, with 175 (T1), 300 (T2) and 600 (T3) remaining trees/ha, were compared with the control (no thinning) of 831 trees/ha. The diameter at breast height (DBH) and height (H) of the trees were measured. The differences in growth, current annual increment (CAI), aboveground biomass, and stem volume (V) we
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De Bei, Roberta, Lukas Papagiannis, Sigfredo Fuentes, et al. "Shoot thinning of Semillon in a hot climate did not improve yield and berry and wine quality." OENO One 54, no. 3 (2020): 469–84. http://dx.doi.org/10.20870/oeno-one.2020.54.3.2984.

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Aim: Shoot thinning is a common canopy management practice used to obtain a desired shoot density and to improve canopy microclimate. Since thinning is often carried out manually, the cost can be high. In this study the effect of severe shoot thinning (50 % of shoots removed) applied at EL 15 was investigated by comparing yield components, canopy size, berry and wine chemistry, and sensory attributes to a non-thinned control for the variety Semillon. The objective was to determine whether shoot thinning could change canopy architecture and lead to improved fruit and wine chemistry and sensory
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Lull, Cristina, Ricardo Gil-Ortiz, Inmaculada Bautista, and Antonio Lidón. "Seasonal Variation and Soil Texture-Related Thinning Effects on Soil Microbial and Enzymatic Properties in a Semi-Arid Pine Forest." Forests 14, no. 8 (2023): 1674. http://dx.doi.org/10.3390/f14081674.

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Thinning is a practice that reduces competition for available soil resources, thereby promoting vegetation growth and affecting soil, which is involved in important ecosystem processes. Soil quality is directly influenced by various aspects such as ground cover, regional climate, and local microclimate, which can further be modified by forest thinning. In this study, the effect of tree thinning and climate on microbiological and enzymatic soil properties was investigated in an Aleppo pine (Pinus halepensis M.) forest more than a decade after silvicultural treatments. The treatments included we
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Wilkinson, M., P. Crow, E. L. Eaton, and J. I. L. Morison. "Effects of management thinning on CO<sub>2</sub> exchange by a plantation oak woodland in south-eastern England." Biogeosciences Discussions 12, no. 19 (2015): 16197–232. http://dx.doi.org/10.5194/bgd-12-16197-2015.

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Abstract. Forest thinning, which removes some individual trees from a forest stand at intermediate stages of the rotation, is commonly used as a silvicultural technique and is a management practice that can substantially alter both forest canopy structure and carbon storage. Whilst a proportion of the standing biomass is removed through harvested timber, thinning also removes some of the photosynthetic leaf area and introduces a large pulse of woody residue (brash) to the soil surface which potentially can alter the balance of autotrophic and heterotrophic respiration. Using a combination of e
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Rogozin, M. "Phantoms of theories of thinning forests." Bulletin of Science and Practice, no. 4 (April 15, 2017): 48–55. https://doi.org/10.5281/zenodo.546284.

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Considered long used by practice postulates: a) the tree feeding area should be optimal; b) trees should be placed evenly. The postulates formed theories that justify the need for thinning, such as thinning, which were supposed to increase the productivity of forests. However, S. N. Sennov first proved that this is not the case, and furthermore, the theories of these thinning cuttings turned out to be phantoms. The reason was in ignorance and neglect of the action of two laws: the rank growth law of trees E. L. Maslakov and the main regularity of the morphogenesis of forest stands G. S. Razin.
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Primicia, Irantzu, Rubén Artázcoz, Juan-Bosco Imbert, Fernando Puertas, María-del-Carmen Traver, and Federico-José Castillo. "Influence of thinning intensity and canopy type on Scots pine stand and growth dynamics in a mixed managed forest." Forest Systems 25, no. 2 (2016): e057. http://dx.doi.org/10.5424/fs/2016252-07317.

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Aim of the study: We analysed the effects of thinning intensity and canopy type on Scots pine growth and stand dynamics in a mixed Scots pine-beech forest. Area of the study: Western Pyrenees. Material and methods: Three thinning intensities were applied in 1999 (0, 20 and 30% basal area removed) and 2009 (0, 20 and 40%) on 9 plots. Within each plot, pure pine and mixed pine-beech patches are distinguished. All pine trees were inventoried in 1999, 2009 and 2014. The effects of treatments on the tree and stand structure variables (density, basal area, stand and tree volume), on the periodic ann
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Books on the topic "Thinning practice area"

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Office, General Accounting. Forest service: The all-resource system's cost features and areas for future improvements : report to the Chairman, Subcommittee on Interior and Related Agencies, Committee on Appropriations, House of Representatives. The Office, 1990.

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Office, General Accounting. Forest service: The all-resource system's cost features and areas for future improvements : report to the Chairman, Subcommittee on Interior and Related Agencies, Committee on Appropriations, House of Representatives. The Office, 1990.

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Office, General Accounting. Forest service: The all-resource system's cost features and areas for future improvements : report to the Chairman, Subcommittee on Interior and Related Agencies, Committee on Appropriations, House of Representatives. The Office, 1990.

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Office, General Accounting. Forest Service: Little assurance that fair market value fees are collected from ski areas : report to the chairman, Environment, Energy, and Natural Resources Subcommittee, Committee on Government Operations, House of Representatives. GAO, 1993.

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Furst, Eric M., and Todd M. Squires. Microrheology. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199655205.001.0001.

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We present a comprehensive overview of microrheology, emphasizing the underlying theory, practical aspects of its implementation, and current applications to rheological studies in academic and industrial laboratories. Key methods and techniques are examined, including important considerations to be made with respect to the materials most amenable to microrheological characterization and pitfalls to avoid in measurements and analysis. The fundamental principles of all microrheology experiments are presented, including the nature of colloidal probes and their movement in fluids, soft solids, an
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Weaver, Ray. Weaver's Practical Math for the Protective Coatings Industry. AMPP, Association for Materials Protection and Performance15835 Park Ten Place, Houston, TX 77084; 800 Trumbull Drive, Pittsburgh, PA 15205, 2024. https://doi.org/10.5006/37690.

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Back in print, Practical Math for the Protective Coatings Industry is specifically geared toward individuals who have avoided math since leaving school some time ago and now have a difficult time understanding the computations involved in the protective coatings field. It explains, for example, how to determine the wet film thickness (WFT) needed to meet a specified dry film thickness (DFT) when a paint is thinned by 10%. Those somewhat proficient in calculating quantities will find that this book offers insights into alternative approaches that will lead to a fuller understanding of mathemati
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Forest service: The all-resource system's cost features and areas for future improvements : report to the Chairman, Subcommittee on Interior and Related Agencies, Committee on Appropriations, House of Representatives. The Office, 1990.

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Kulak, Dariusz. Wieloaspektowa metoda oceny stanu gleb leśnych po przeprowadzeniu procesów pozyskania drewna. Publishing House of the University of Agriculture in Krakow, 2017. http://dx.doi.org/10.15576/978-83-66602-28-1.

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Presented reasearch aimed to develop and analyse the suitability of the CART models for prediction of the extent and probability of occurrence of damage to outer soil layers caused by timber harvesting performed under varied conditions. Having employed these models, the author identified certain methods of logging works and conditions, under which they should be performed to minimise the risk of damaging forest soils. The analyses presented in this work covered the condition of soils upon completion of logging works, which was investigated in 48 stands located in central and south-eastern Pola
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Book chapters on the topic "Thinning practice area"

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Savill, Peter, Julian Evans, Daniel Auclair, and Jan Falck. "Spacing, thinning, pruning, and rotation length." In Plantation Silviculture in Europe. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198549093.003.0010.

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Abstract The spacing between trees or stocking at which a crop grows affects the degree of competition in the stand. This influences mortality, total production per unit area, the size to which individual trees will grow, several aspects of wood quality, and sometimes susceptibility to pests and diseases. The value of timber and costs of management practices are both affected by spacing. A clear understanding of the effects of possible spacing and thinning regimes on production is one of the most important aspects of silviculture since they influence the end use of the timber and its profitabi
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Burton, Philip J. "Fostering Climate Change Resilience." In Resilient Forest Management. Oxford University PressOxford, 2025. https://doi.org/10.1093/oso/9780198832997.003.0007.

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Abstract Forests can provide important nature-based solutions to climate change by retaining and sequestering large amounts of carbon dioxide from the atmosphere. But they will also have to adapt to the inevitable consequences of a warming atmosphere, which will threaten the health, productivity, and stability of many forest regions. In protected areas and most multipurpose forests, maintaining a continuity of species and habitats over time and space will facilitate the inherent capacity of ecosystems to adjust through dispersal and adaptive filtering. Prioritizing high-carbon reservoirs (old-
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Yildiz Töre, Günay, and Melisa Can. "Clean production approaches in industries: a case study on pulp and paper production facility applications." In Clean Technologies Toward the Development of a Sustainable Environment and Future. IWA Publishing, 2023. http://dx.doi.org/10.2166/9781789063783_0107.

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Abstract The sustainability of life and economy is directly dependent on natural resources, and the effects of the use of these resources are felt on both ecology and the economy. As scarce and valuable resources such as raw materials, energy, and water constitute the basic inputs of the economy as well as life. Resource use not only causes increasing pressure on natural resource reserves and adversely affects the environment, but also affects national and international trade and market prices. The efficient and sustainable use of raw materials, energy, and water by both reducing the impact on
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Conference papers on the topic "Thinning practice area"

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Rupsys, Petras. "STOCHASTIC SIMULATION OF SELF-THINNING." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s14.46.

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Understanding the principles of self-thinning forest ecosystems is essential for taking modern management techniques into practice. The spatial distribution of the surviving trees in a stand is influenced by a variety of factors, including tree mortality. In young forests, competition has a major role in determining spatial mortality; in older forests, random changes in the environment have a major role. The dynamics of the number of living and dead trees in the forests of central Lithuania will be addressed in this study. The Gompertz type mixed effect parameters univariate stochastic differe
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Wensley, Angela. "Corrosion and Cracking of Bottom Scrapers in Continuous Digesters." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05199.

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Abstract This paper gives case histories of several materials of construction that have been used for bottom scrapers in continuous digesters. The predominant mechanisms of deterioration are erosion-corrosion thinning and stress corrosion cracking (SCC). In some cases, carbon steel bottom scraper arms have experienced rapid erosion-corrosion thinning at rates approaching 1 inch per year (25 mm/y). Both type 304L austenitic stainless steel and type 2205 duplex stainless steel have both experienced extensive SCC in bottom scraper service. Sulfur species may be the SCC agent in the bottom scraper
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Venkiteela, Giri, and Perumalsamy Balaguru. "A New Protocol for Evaluating the Effectiveness of Coatings Used to Reduce Corrosion of Steel Structures." In Coatings+2020. SSPC, 2020. https://doi.org/10.5006/s2020-00070.

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Abstract Details of a new protocol for evaluating the effectiveness of coatings to reduce corrosion of steel structures is presented in this paper. Basic concepts of accelerated testing specified in American Society for Testing Materials (ASTM) standards and recent research investigations were used to develop a procedure that can provide conclusive results within 2400 hours of exposure as compared to more than 5000 hours in current practices. Growth of corrosion from a location where the coating is damaged, thinning of coating, color changes and influence of weld and bolt holes were the parame
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Wangensteen, Magnus, and Ali Fatemi. "Temperature Compensation for Ultrasound Corrosion Monitoring." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00503.

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Abstract Non-intrusive ultrasound monitoring of pipe walls enables the detection of wall thinning with micrometre accuracy. This is achieved by measuring the time of acoustic reflection between the inner and outer wall surfaces. A fundamental challenge is that the propagation speed of the ultrasonic wave has a weak dependency on the material temperature, which could vary with ambient temperature and pipe flow temperature. Compensating for temperature fluctuations is achieved today by probing the temperature combined with apriori assumptions about the temperature coefficient for the given mater
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Tao, Joy (Xiaoya), and Lei Zhu. "Effects of Local Wall Thinning With Crack on Limit Loads for Pipes Subject to Combined Pressure and Bending." In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45016.

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As power plants age, local thinning often occurs in pipework due to erosion/corrosion or other reasons. Local thinning reduces the strength of a pipe and increases the local stress. When the pipework is subject to cyclic loading, a crack could initiate from corrosion pit or welding defect at the local thinning. It is often required to carry out engineering critical assessment for a crack at the local thinned area to support safety case. Limit load or reference stress solution is needed to carry out flaw acceptance assessment to R6 or BS7910. These components are normally subject to combined in
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Tao, Joy (Xiaoya), and Lei Zhu. "Effects of Local Wall Thinning With Crack on Stress Intensity Factor for Pipes Subject to Combined Pressure and Bending." In ASME 2019 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/pvp2019-93761.

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Abstract At ageing power plants, local thinning of pipework or vessel is unavoidable due to erosion/corrosion or other reasons such as flow accelerated corrosion (FAC) — one of the common degradation mechanisms in pipework of nuclear power plant. Local thinning reduces the structure strength, resulting in crack initiation from the corrosion pit or welding defect when subject to cyclic loading. General practice is to use the minimum thickness of the thinned area to calculate both limit load and stress intensity factor (SIF) in performing Engineering Critical Assessment (ECA) using Failure Asses
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Yan, Zhenrong, Yuqing Yang, Jun Han, Jun Si, Huanan Wang, and Xiaoming Luo. "The Failure Evaluation and Application of Power Plant Boiler Membrane Type Water-Cooled Wall Based on Risk-Based Inspection." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28347.

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In recent years, Ultra supercritical power plant boiler in China is developing very rapidly, therefore, using the RBI risk evaluation method to carry out inspection of large power station boiler is very necessary. Operation practice shows that the membrane type water-wall is one of the main risk parts of large power plant boiler. Research has shown that typical failure area of membrane type water-wall is layer nearby the burner; Most of failure positions are in high heat flux region, the fins weld joint; Failure mechanism is comprehensive factors, such as, the welding deformation, weld defects
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RÖHLE, Heinz. "GROWTH PERFORMANCE AND MANAGEMENT IN MIXED FOREST STANDS." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.122.

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In 2017, the global population stands at about 7.6 billion. Due to the medium variant of the population projections, developed by the UN, the world population will grow to nearly 10 billion by the middle of this century. As a consequence, the worldwide demand for wood will increase. Therefore, the forest sector has to develop concepts in order to cope with the increasing demand for wood, the altering environmental conditions and the challenge of climate change. Modified silvicultural treatment programs may contribute to solving these questions. Appropriate measures are the conversion of pure s
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Yoneda, Kimitoshi, Ryo Morita, Kazutoshi Fujiwara, and Fumio Inada. "Development of Pipe Wall Thinning Evaluation Method and Prediction Tool." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97601.

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Flow accelerated corrosion (FAC) and liquid droplet impingement erosion (LDI) are the main pipe wall thinning phenomena in piping system of power plants in Japan. Authors have promoted the development of prediction method to evaluate local thinning trend by FAC/LDI. To apply the method to pipe wall thinning management in power plants, it is required to be transformed into practical tools for easy usage. In Japan, discussion is being made to considerate the introduction of prediction tools into wall thinning management based on wall thickness measurement at present. Authors have simplified thei
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Zhelenkov, O. "FOREST MANAGEMENT EFFECTIVENESS OF THINNING ON FOREST PRODUCTIVITY." In Adaptation of forestry to climate change: nature-oriented solutions and digitalization. Forestry – 2024. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2025. https://doi.org/10.58168/ffys2024_130-135.

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The article is devoted to the study of silvicultural and economic efficiency of thinning in forest ecosystems and its impact on forest productivity. Various methods and strategies of thinning aimed at optimizing the growth and development of trees, increasing their resistance to diseases and improving the quality of wood are analyzed. The impact of thinning on the structure and composition of forest stands, as well as on the biological productivity of the forest cover is considered. The paper presents the results of experimental studies and practical observations demonstrating how the proper a
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Reports on the topic "Thinning practice area"

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Peitz, David, and Naomi Reibold. Bird community monitoring at Wilson’s Creek National Battlefield, Missouri: Status report 2008–2020. Edited by Tani Hubbard. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2287875.

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Breeding bird surveys were initiated on Wilson’s Creek National Monument, Missouri, in 2008 to assess temporal changes in the species composition and abundance of birds on the park and to improve our understanding of relationships between breeding birds and their habitat and the effects of management actions, such as invasive plant species control and tree thinning, on bird populations. Birds were sampled using point counts with 38 variable circular plots located on a systematic grid of 400 x 400-m cells (originating from a random start point). All birds seen or heard on a plot during a 5-min
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Peitz, David. Bird community monitoring at Pea Ridge National Military Park, Arkansas: Status report 2008–2021. Edited by Tani Hubbard. National Park Service, 2022. http://dx.doi.org/10.36967/2294263.

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Breeding bird surveys were initiated on Pea Ridge National Military Park, Arkansas in 2008 to assess temporal changes in the species composition and abundance of birds on the park. These data also improve our understanding of relationships between breeding birds and their habitat and the effects of management actions, such as invasive plant species control and tree thinning, on bird populations. Birds were sampled using point counts with 99 variable circular plots located on a systematic grid of 400 x 400-m cells (originating from a random start point). All birds seen or heard on a plot during
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Peitz, David, and Naomi Reibold. Bird community monitoring at George Washington Carver National Monu-ment, Missouri: Status report 2008–2020. Edited by Tani Hubbard. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2287852.

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Breeding bird surveys were initiated on George Washington Carver National Monument, Missouri, in 2008 to assess temporal changes in the species composition and abundance of birds on the park and to improve our understanding of relationships between breeding birds and their habitat and the effects of management actions, such as invasive plant species control and tree thinning, on bird populations. Birds were sampled using point counts with 70 variable circular plots located on a systematic grid of 100 x 100-m cells (originating from a random start point). All birds seen or heard on a plot durin
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