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Готові списки джерел за темами / Residual stand damage

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Добірка наукової літератури з теми "Residual stand damage"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Residual stand damage"

1

Yuniawati, Yuniawati, S. Andini, and M. H. Ningrum. "Application of Conventional and Improved Techniques in Felling and Skidding to Residual Stand Damages." Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management) 29, no. 3 (2023): 234–42. http://dx.doi.org/10.7226/jtfm.29.3.234.

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Анотація:

Felling and skidding are essential in the timber extraction process. But on the other hand, residual stand damage can’t be avoided. This study aimed to analyze the impact of conventional and improved felling and skidding techniques on residual stands in natural forests. Three observation plots were developed to identify the types, numbers, and criteria of residual stand damage due to both techniques. The criteria were categorized as a) minor damage (<25%), b) moderate damage (25–50%), and c) major damage (>50%). It showed that the conventional felling and skidding technique caused damage

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2

Kizha, Anil Raj, Evan Nahor, Noah Coogen, Libin T. Louis, and Alex K. George. "Residual Stand Damage under Different Harvesting Methods and Mitigation Strategies." Sustainability 13, no. 14 (2021): 7641. http://dx.doi.org/10.3390/su13147641.

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Анотація:

A major component of sustainable forest management are the stands left behind after the logging operation. Large mechanized harvesting equipment involved in current forest management can inflict damage on residual trees; and can pose a risk of mortality from diseases, natural calamities, and/or degrade future economic value. The primary objective of this study was to evaluate the residual stand damage under different harvesting methods and silvicultural prescriptions i.e., crop tree release (CTR), diameter limit cut (DLC), and overstory removal (OSR). The second objective was to evaluate the i

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3

Hassler, Curt C., Shawn T. Grushecky, and Mary Ann Fajvan. "An Assessment of Stand Damage Following Timber Harvests in West Virginia." Northern Journal of Applied Forestry 16, no. 4 (1999): 191–96. http://dx.doi.org/10.1093/njaf/16.4.191.

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Abstract Fixed plot sampling was used to measure residual stand damage on 101 harvested stands in West Virginia. Damage was categorized for roots, base, bole, and crown components of all trees 4 in. dbh and greater. The level of damage was correlated to both preharvest and residual stand densities. Equations were developed to estimate stand damage, based on preharvest and residual stand basal area and trees per acre. These equations were found to reasonably estimate levels of stand damage from previous studies in partial/selection cuts, but not in thinnings. North. J. Appl. For. 16(4):191-196.

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4

Howard, Andrew F. "Damage to residual trees from cable yarding when partial cutting second-growth stands in coastal British Columbia." Canadian Journal of Forest Research 26, no. 8 (1996): 1392–96. http://dx.doi.org/10.1139/x26-155.

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Анотація:

Damage to residual trees associated with a specific combination of stand conditions, silvicultural treatment, and harvesting system must be known if this information is to guide foresters in the design of prescriptions for individual stands planned for partial cutting. A study was made of residual tree damage in two stands of second growth in coastal British Columbia that were partially cut and the timber was yarded with cable systems. Damage to residual trees was found to be high at both sites. The percentage of trees damaged decreased with increasing distance from the skyline corridor, and b

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5

Yuniawati, Yuniawati, and Dulsalam Dulsalam. "Residual Stand Damage Due to Timber Harvesting in PT Tunas Timber Lestari, Papua." Jurnal Penelitian Kehutanan Wallacea 9, no. 2 (2020): 121. http://dx.doi.org/10.18330/jwallacea.2020.vol9iss2pp121-132.

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Анотація:

Timber harvesting activities can cause damage to residual stands, this can occur due to improper timber harvesting techniques. The study was conducted at one of PT Tunas Timber Lestari’s IUPHHK-HA in Papua Province. The results showed that: 1). The number of trees felled and skidded on 3 logging compartment with each of the 3 plot of observation sample has an area of 2 ha (the total area of the research is 18 ha) is 16 trees on average; 2). The average number of residual stand (trees with a diameter of ≥ 20 cm) damaged by logging is 26 trees (13.00%) per ha with details of damage to canopy of

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6

Da Silva, Daniel Augusto, Geferson Piazza, Alfredo Celso Fantini, and Alexander Christian Vibrans. "Forest management in a secondary Atlantic Rainforest: assessing the harvest damage." Advances in Forestry Science 4, no. 4 (2018): 187–93. https://doi.org/10.34062/afs.v4i4.5154.

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Minimizing the impacts to the residual stand is one of the goals of sustainable forest management. To achieve this goal it’s essential to know the dynamics of these impacts, its frequency, cause and severity. Various studies in this topic were carried out in primary tropical forest, but little is known in secondary forests, which have smaller and denser tree community. We evaluate the bole and crown damage and the incidence of leaning trees in the residual stand right after the timber harvesting in a secondary Atlantic Rainforest in southern Brazil. On average, 26% of the residual trees suffer

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7

Ostrofsky, W. D., R. S. Seymour, and R. C. Lemin Jr. "Damage to northern hardwoods from thinning using whole-tree harvesting technology." Canadian Journal of Forest Research 16, no. 6 (1986): 1238–44. http://dx.doi.org/10.1139/x86-219.

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A mechanized whole-tree harvesting system, which has recently found widespread use in northern New England, was evaluated for its impact on residual crop trees in two northern hardwood stands in western Maine. Stand type, skid trail spacing, and whether or not skid trails were designated prior to harvesting significantly influenced stand damage levels. A higher mean percentage of residual trees was injured in a Betulapapyrifera Marsh, stand (49%) than in similar treatments in a Fagusgrandifolia Ehrh. – Quercusrubra L. stand (32%). A spacing of 20 m between predesignated trails resulted in less

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8

Fairweather, Stephen E. "Damage to Residual Trees after Cable Logging in Northern Hardwoods." Northern Journal of Applied Forestry 8, no. 1 (1991): 15–17. http://dx.doi.org/10.1093/njaf/8.1.15.

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Abstract Damage to residual trees after cable logging was observed in two northern hardwood stands in Pennsylvania. In the first stand, primarily red maple and black cherry, only 8% (by basal area) sustained major damage. Felling was the major source of damage, as the amount due to yarding was negligible. The second stand, a mix of red maple, red oak, and black birch, sustained 10% major damage. The results were similar to observations made in West Virginia, and support the effort to use cable yarding for partial cuts in hardwood stands. North J. Appl. For. 8(1):15-17

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9

Seablom, Thomas J., and David D. Reed. "Assessment of Factors Contributing to Residual Tree Damage from Mechanized Harvesting in Northern Hardwoods." Northern Journal of Applied Forestry 22, no. 2 (2005): 124–31. http://dx.doi.org/10.1093/njaf/22.2.124.

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Abstract Seven northern hardwood stands were evaluated for damage after mechanized harvesting. Four different harvesting systems were evaluated: harvester and grapple skidder, processor and forwarder, chainsaw and cable skidder, and chainsaw and forwarder. There was not an excessive amount of damage occurring to any of the residual stands, and there was an adequate number of residual trees per acre in all diameter classes to meet residual stand structure goals. The majority of the damage that did occur was to the bole portion of the tree and to the 2–8-in. dbh size classes. There was no strong

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10

Fajvan, Mary Ann, Karl E. Knipling, and Brian D. Tift. "Damage to Appalachian Hardwoods from Diameter-Limit Harvesting and Shelterwood Establishment Cutting." Northern Journal of Applied Forestry 19, no. 2 (2002): 80–87. http://dx.doi.org/10.1093/njaf/19.2.80.

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Abstract Residual stand damage was assessed in 10 ac stands harvested with either a 12 in. diameter-limit harvest, a 16 in. diameter-limit harvest or an establishment cut of the shelterwood method. Each stand was logged using manual felling and cable skidding; treatments were replicated four times. The 12 in. diameter-limit harvests had the lowest residual basal areas but residual stems had the highest percentage of damage and largest stem wounds. In all three treatments, as tree size (dbh) increased and distance to skid trail increased, the probability of individual tree damage decreased.

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Більше джерел

Книги з теми "Residual stand damage"

1

Hargrave, Michael A. Identification of variables influencing residual stand damage from skyline thinning a young western hemlock-Sitka spruce stand. 1985.

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Частини книг з теми "Residual stand damage"

1

Wang, Lei. "Secondary Anchorage and Prestress Loss of Fractured Strand in PT Beams." In Strand Corrosion in Prestressed Concrete Structures. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2054-9_7.

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AbstractThe effect of corrosion-induced strand fracture on residual prestress of post-tensioned concrete beams should be investigated fully to ensure the structural safety. An experimental test with five specimens is designed to investigate the secondary anchorage and residual prestressing force in locally corroded post-tensioned concrete beams after strand fracture. Then, an analytical method is proposed to determine the damage control section of locally corroded post-tensioned concrete beams after strand fracture for the flexural capacity evaluation. Following this, a numerical model is esta

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2

Yagoub, Nouraldaim F. A., and Xiuxin Wang. "Finite Element Analysis of Self-centering Reinforced Concrete Shear Walls." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_41.

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AbstractPost-tensioned precast concrete walls are an attractive research trend in structural engineering, which replaces cast-in-place concrete walls in earthquake-prone buildings. Precast concrete walls use mild steel and high-strength post-tensioning steel for flexural resistance. Mild steel reinforcement yields in tension and compression, dissipating inelastic energy. Unbounded tendons are used inside the wall to give self-centering capability, which lowers residual displacements. At the wall-foundation, horizontal slots are installed equally. Meanwhile, the middle-wall concrete is still an

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3

Savill, Peter, Julian Evans, Daniel Auclair, and Jan Falck. "Protection from wind." In Plantation Silviculture in Europe. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198549093.003.0012.

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Abstract Wind damage to forests is a recurrent hazard in many parts of the world. High winds can uproot trees, break stems, cause malformations, and retard growth. They can also disrupt planned management, causing economic losses from higher logging costs, damage during storage, unharvested wood, lowered increment in residual stands, and shortened rotations, besides reducing landscape quality and habitats for wildlife. Forests in temperate maritime regions suffer most seriously from wind damage, but those in continental mountainous regions can be badly affected too. In some places wind may be

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4

"Worlding Asia Pacific into Oceania." In Oceanic Becoming. Duke University Press, 2025. https://doi.org/10.1215/9781478060468-003.

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Place-shattering practices, extractions, and displacements of world capitalism go on distending the spatial and temporal sites, scales, and resources of dwelling in the world, if not deforming the moral-cultural ethos it takes for such diverse practices to survive. The planet is marred by unsustainable ecological systems, unstable weather, climate threats, and species extinctions. To activate tactics of resilient worlding, “worlding Asia Pacific” implies not so much Euro-derived theory applied as situated practices of worlding across Asia and the interior Pacific. Worlding means activating pra

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5

Cowey, Alan. "Is Blindsight Motion Blind?" In Out of Mind. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198506300.003.0006.

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Abstract The cynic who declared that ‘As soon as something is widely believed it is almost certain to be wrong’ had a point. We tend not to question beliefs that make sense and that the community of colleagues accept, even when loose ends remain. In the context of this book, one such belief is that the detection of motion and the discrimination of its direction is spared in blindsight, or is less impaired than other aspects of visual processing such as the detection and discrimination of pattern, luminance contrast, wavelength, orientation, size, and so on. Lest anyone quibbles that the distin

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Тези доповідей конференцій з теми "Residual stand damage"

1

Evertz, T., and V. Flaxa. "Improved Test Method for Analysis of SOHIC- and NNSCC Susceptibility to Cracking by Cyclic Loading." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03525.

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Abstract Susceptibility of steel pipes to cracking in subsequently contact with solutions -either wet sour gas or near neutral solutions- is a dominant factor for residual life of gas-linepipes. Three different cracking phenomens are cause of a major concern for applications in wet H2S environments, namely Hydrogen Induced Cracking (HIC), Sulfide Stress Cracking (SSC) and Stress Orientated Hydrogen Induced Cracking (SOHIC). Whereas laboratory test methods for HIC without mechanical loading are established for pipeline steels the situation is different in cases with external stress or additiona

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2

Yu, Hailing, David Jeong, John Choros, and Ted Sussmann. "Finite Element Modeling of Prestressed Concrete Crossties With Ballast and Subgrade Support." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47452.

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With the first major installation in North American railroads during the 1960’s, concrete ties were believed to last longer than timber ties and have the potential for reduced life cycle costs. However, their characteristic response to initial pretension release as well as dynamic track loading is not well understood. In North America, concrete ties have been found vulnerable to rail seat deterioration (RSD), but the mechanisms contributing to RSD failures are not well understood. To improve such understanding, a comprehensive computational study of the tie response to dynamic track forces is

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3

Al-Saqer, Qassem, Zainab Alabdulmohsen, Chidiebere Anioke, and Mohamed Al Qunis. "An Ultra-High Temperature New Microemulsion Technology for Deep Drilling Wells: Lab Study." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23199-ea.

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Abstract Formation damage caused by reservoir drill-in fluids or completion fluids could be minimize by microemulsion fluid system in an average reservoir temperature. However, in deep drilling wells the formation temperature can reach up to 380 °F, which requires a new design that can tolerate this level of temperature with minimum formation damage. This paper presents an engineering approach on overcoming the formation damage in ultra-high temperature reservoirs. The new microemulsion fluid design contains a low organic acid concertation, and a surfactant blend that can stand for high temper

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4

Ayers, Ray R., and Saltuk B. Aksu. "The 20-Hurricane Test: New Knowledge on Deepwater Polyester Mooring Integrity." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79021.

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In a recent U.S. Minerals Management Service (MMS) sponsored project exploring the “value of polyester insert recovery and testing,” we found that: (1) the only major cause of rope structural integrity loss was third-party damage to the mooring system components, and that only in-situ inspection of the mooring ropes by ROV video (not insert recovery/testing) can effectively discover this damage; (2) because of the demonstrated structural integrity of polyester ropes, the major concerns of rope creep and fatigue (or cyclic wear) damage have been proven to be inconsequential; and (3) based on a

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5

Custódio, A. B., A. S. Cordeiro, and L. R. S. Ferreira. "Fitness for Service of Flexible Pipes After Long-Term Subsea Storage Full of Seawater." In Offshore Technology Conference. OTC, 2025. https://doi.org/10.4043/35624-ms.

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Multi-layered flexible pipes have long been important components of PETROBRAS’ subsea production systems. Approximately 14,700 km of these pipes are in service throughout PETROBRAS’ assets in 2024, and more is planned to be laid down in the coming years. Flexible pipe design aims at complying with many functional requirements under safe conditions and is mostly regulated by API 17J Standard [1], along with other engineering rules endorsed by independent verification agents. The innermost metallic layer named "interlocked carcass", made of steels, is designed to resist collapse under external p

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Звіти організацій з теми "Residual stand damage"

1

Andrawes, Bassem, and Dachina Gunasekaran. Testing, Analysis, and Load Rating of Precast Prestressed Concrete Deck Beams with Transverse Cracks. Illinois Center for Transportation, 2025. https://doi.org/10.36501/0197-9191/25-002.

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This study focused on understanding the impact of transverse cracks on the residual capacity and load rating analysis of in-service precast prestressed concrete (PPC) deck beams. Two decommissioned (33 × 36 and 21 × 36) PPC deck beams were tested under four-point bending loads to assess the impact of transverse cracks on the structural performance of the beams. Finite element and theoretical cracked section analyses were also performed to investigate the capacity of the as-built and cracked PPC deck beam. Transverse cracks reduced the load rating capacity of the 33 × 36 beam by almost 34%, whi

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