Relevant bibliographies by topics / Coniferous logs

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Coniferous logs'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Coniferous logs"

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Strukelj, Manuella, Suzanne Brais, Sylvie A. Quideau, et al. "Chemical transformations in downed logs and snags of mixed boreal species during decomposition." Canadian Journal of Forest Research 43, no. 9 (2013): 785–98. http://dx.doi.org/10.1139/cjfr-2013-0086.

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Snags and downed logs are substantial components of the detrital carbon pool in boreal forests. Effects of their decomposition on chemical and physical characteristics of the forest floor remain relatively unknown. The main objective of this study was to characterize chemical transformations of decaying logs and snags of common tree species in the boreal mixedwood forest. Logs and snags from a wide range of decay classes were sampled and analyzed by solid-state 13C nuclear magnetic resonance spectroscopy and by near-infrared spectroscopy. Little or moderate chemical changes appeared in fresh a
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Marra, James L., and Robert L. Edmonds. "Coarse woody debris and forest floor respiration in an old-growth coniferous forest on the Olympic Peninsula, Washington, USA." Canadian Journal of Forest Research 24, no. 9 (1994): 1811–17. http://dx.doi.org/10.1139/x94-234.

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Carbon dioxide evolution rates for downed logs (coarse woody debris) and the forest floor were measured in a temperate, old-growth rain forest in Olympic National Park, Washington, using the soda lime trap method. Measurements were taken every 4 weeks from October 22, 1991, to November 19, 1992. Respiration rates for Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) and western hemlock (Tsugaheterophylla (Raf.) Sarg.), logs were determined for decay classes 1–2, 3, and 5 in two diameter classes. Overall, western hemlock logs respired at a rate 35% higher (4.37 g CO2•m−2•day−1) than Douglas-fir
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Bingham, Bruce B., and John O. Sawyer Jr. "Volume and mass of decaying logs in an upland old-growth redwood forest." Canadian Journal of Forest Research 18, no. 12 (1988): 1649–51. http://dx.doi.org/10.1139/x88-249.

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A line intersect technique was used to determine the volume and mass of dead, naturally fallen logs at least 25 cm in diameter and 4 m or more in length over an 80-ha mesic, upland old-growth redwood forest in northwestern California. Each log was identified to species and placed in one of three decay classes: sound logs, moderately decayed logs, and logs in an advanced state of decay. Only logs of redwood (Sequoiasempervirens (D. Don) Endl.), Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco), and western hemlock (Tsugaheterophylla (Raf.) Sarg.) met the dimension requirements of sampling. Redw
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Simard, Marie-Josée, Yves Bergeron, and Luc Sirois. "Substrate and litterfall effects on conifer seedling survivorship in southern boreal stands of Canada." Canadian Journal of Forest Research 33, no. 4 (2003): 672–81. http://dx.doi.org/10.1139/x02-204.

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Most conifer seeds die as seeds or seedlings within 5 years after dispersal. Understanding what factors keep a few of them alive is essential if natural regeneration is to be maintained in managed forests. For example, decaying logs and the conifer seedlings that often grow on them are rare under certain canopies such as deciduous trembling aspen (Populus tremuloides Michx.). We conducted a seeding experiment to evaluate the role of certain substrates, and litterfall, on early conifer survivorship. Seeds of balsam fir (Abies balsamea (L.) Mill.), white spruce (Picea glauca (Moench) Voss), and
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Katarzyna, Szewczyk, and Iwanicki Piotr. "Evaluating the suitability of machinery use during skidding of wood in pine stands." Lesne Prace Badawcze / Forest Research Papers 80, no. 3 (2019): 219–26. https://doi.org/10.2478/frp-2019-0020.

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Skidding of large-sized logs requires special machinery such as skidders, clambunks, forwarders or farm tractors with a winch or hydraulic tongs. The precise choice of which skidding machine to use depends largely on the desired efficiency and economic factors. The aim of this research was to evaluate the suitability of three different machines (LKT 81 skidder, John Deere 1110D forwarder and Pronar 1221A agricultural tractor with hydraulic tongs) for wood skidding based on technical and economic indicators. The practical work for this research was carried out in the Mirosławiec Forest Division
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Rajala, Tiina, Mikko Peltoniemi, Taina Pennanen, and Raisa Mäkipää. "Relationship between wood-inhabiting fungi determined by molecular analysis (denaturing gradient gel electrophoresis) and quality of decaying logs." Canadian Journal of Forest Research 40, no. 12 (2010): 2384–97. http://dx.doi.org/10.1139/x10-176.

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We investigated the fungal communities inhabiting decaying logs in a seminatural boreal forest stand in relation to host tree species, stage of decay, density, diameter, moisture, C to N ratio, Klason lignin content, and water- and ethanol-soluble extractives. Communities were profiled using denaturing gradient gel electrophoresis fingerprinting of the rDNA ITS1 region coupled with sequencing of fungal DNA extracted directly from the wood. In addition, polypore fruit bodies were inventoried. Logs from different tree species had different fungal communities and different physicochemical propert
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Prescott, Cindy E., Kirsten Corrao, Anya M. Reid, Jenna M. Zukswert, and Shalom D. Addo-Danso. "Changes in mass, carbon, nitrogen, and phosphorus in logs decomposing for 30 years in three Rocky Mountain coniferous forests." Canadian Journal of Forest Research 47, no. 10 (2017): 1418–23. http://dx.doi.org/10.1139/cjfr-2017-0001.

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Estimates of decomposition rates of coarse woody debris (CWD) and fluxes of nutrients therein are essential components of carbon (C) and nutrient budget models. In a 30-year field experiment, we periodically measured mass remaining and nutrient concentrations in log segments of pine, spruce, and fir in natural, mature coniferous forests in Alberta, Canada. The predicted turnover times (t95; years) were 43–44 years for pine, 42–60 years for spruce, and 38–46 years for fir. Extrapolating from best-fit models, we predict that decomposition of these logs would be complete within 50–60 years. The r
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Prestemon, Jeffrey P., Shushuai Zhu, James A. Turner, Joseph Buongiorno, and Ruhong Li. "Forest Product Trade Impacts of an Invasive Species: Modeling Structure and Intervention Trade-Offs." Agricultural and Resource Economics Review 35, no. 1 (2006): 128–43. http://dx.doi.org/10.1017/s1068280500010108.

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Asian gypsy and nun moth introductions into the United States, possibly arriving on imported Siberian coniferous logs, threaten domestic forests and product markets and could have global market consequences. We simulate, using the Global Forest Products Model (a spatial equilibrium model of the world forest sector), the consequences under current policies of a widespread, successful pest invasion, and of plausible trading partner responses to the successful invasion. We find that trade liberalization would have a negligible effect on U.S. imports of Siberian logs and, consequently, on the risk
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Watchman, A. L., R. A. Lessard, A. J. T. Jull, L. J. Toolin, and Weston Blake. "14C Dating of Laser-Oxidized Organics." Radiocarbon 35, no. 2 (1993): 331–33. http://dx.doi.org/10.1017/s0033822200065024.

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We used a continuous krypton ion laser to rapidly oxidize milligram-sized fragments of coniferous driftwood of known ages, and dated the resulting carbon dioxide by accelerator mass spectrometry (AMS). AMS 14C ages of non-pretreated young wood from different parts of two logs were within 10% of the ages of conventionally determined alkaline insoluble fractions. The age of the oldest whole wood measured after laser oxidation was within the error ranges of conventional values.
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Heppelmann, Joachim B., Eric R. Labelle, Thomas Seifert, Stefan Seifert, and Stefan Wittkopf. "Development and Validation of a Photo-Based Measurement System to Calculate the Debarking Percentages of Processed Logs." Remote Sensing 11, no. 9 (2019): 1133. http://dx.doi.org/10.3390/rs11091133.

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Within a research project investigating the applicability and performance of modified harvesting heads used during the debarking of coniferous tree species, the actual debarking percentage of processed logs needed to be evaluated. Therefore, a computer-based photo-optical measurement system (Stemsurf) designed to assess the debarking percentage recorded in the field was developed, tested under laboratory conditions, and applied in live field operations. In total, 1720 processed logs of coniferous species from modified harvesting heads were recorded and analyzed within Stemsurf. With a single l
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Dissertations / Theses on the topic "Coniferous logs"

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Šedbaraitė, Jūratė. "Paprastosios pušies spyglių morfologinių ir fiziologinių savybių kitimas lietuvos lokalios taršos poveikyje." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050604_173045-44793.

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SUMMARY In the research work for Master degree the variance of morphological-physiological characteristics of the needles of Scots pine (Pinus sylvestris L.) growing in the vicinity of local pollution sources of Lithuania were investigated. Subject of research: Scots pine (Pinus sylvestris L.) growing near the largest industrial pollution sources in Lithuania: a cement factory, a nitrogen fertilizer factory and an oil refinery. Goals of the research: to estimate morphological and physiological features of the needles sampled from the pines growing at different distances from the largest in
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Books on the topic "Coniferous logs"

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The Sawlogs and Veneer Logs of Coniferou. 2000 World Market Forecasts for Imported Sawlogs and Veneer Logs of Coniferous Trees. Icon Group International, 2000.

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The Sawlogs and Veneer Logs of Non-Conif. 2000 World Market Forecasts for Imported Sawlogs and Veneer Logs of Non-Coniferous Trees. Icon Group International, 2000.

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The Sawlogs and Veneer Logs of Coniferou, The Sawlogs, and Veneer Logs of Coniferous Trees Research Group. The 2000 World Forecasts of Sawlogs and Veneer Logs of Coniferous Trees Export Supplies (World Trade Report). 2nd ed. Icon Group International, 2000.

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Non-Conif, The Sawlogs and Veneer Logs of, The Sawlogs, and Veneer Logs of Non-Coniferous Trees Research Group. The 2000 World Forecasts of Sawlogs and Veneer Logs of Non-coniferous Trees Export Supplies (World Trade Report). 2nd ed. Icon Group International, 2000.

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Sawlogs, The, and Veneer Logs of Coniferous Trees Research Group. The 2000 Import and Export Market for Sawlogs and Veneer Logs of Coniferous Trees in Chile (World Trade Report). 2nd ed. Icon Group International, Inc., 2001.

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Sawlogs, The, and Veneer Logs of Coniferous Trees Research Group. The 2000 Import and Export Market for Sawlogs and Veneer Logs of Coniferous Trees in Romania (World Trade Report). 2nd ed. Icon Group International, Inc., 2001.

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Sawlogs, The, and Veneer Logs of Coniferous Trees Research Group. The 2000 Import and Export Market for Sawlogs and Veneer Logs of Coniferous Trees in Austria (World Trade Report). 2nd ed. Icon Group International, Inc., 2001.

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Sawlogs, The, and Veneer Logs of Coniferous Trees Research Group. The 2000 Import and Export Market for Sawlogs and Veneer Logs of Coniferous Trees in Bulgaria (World Trade Report). 2nd ed. Icon Group International, Inc., 2001.

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Sawlogs, The, and Veneer Logs of Coniferous Trees Research Group. The 2000 Import and Export Market for Sawlogs and Veneer Logs of Coniferous Trees in Ireland (World Trade Report). 2nd ed. Icon Group International, Inc., 2001.

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Sawlogs, The, and Veneer Logs of Coniferous Trees Research Group. The 2000 Import and Export Market for Sawlogs and Veneer Logs of Coniferous Trees in Thailand (World Trade Report). 2nd ed. Icon Group International, Inc., 2001.

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Book chapters on the topic "Coniferous logs"

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Greer, Dennis H., Ilkka Leinonen, and Tapani Repo. "Modelling Cold Hardiness Development and Loss in Conifers." In Tree Physiology. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9650-3_16.

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Nevalainen, Seppo, and Hannu Yli-Kojola. "The Occurrence of Abiotic and Biotic Damage and its Relation to Defoliation (Needle Loss) of Conifers in Finland (1985–1988)." In Acidification in Finland. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75450-0_28.

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Butin, Heinz. "Wood Damage in the Standing Tree." In Tree Diseases And Disorders, edited by David Lonsdale. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198549321.003.0007.

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Abstract Forest fires can be one of the greatest causes of loss in forests since, at their most severe, they can wipe out entire stands by spreading through the forest canopy. Certain years come to be recognized as ‘forest fire years ‘ when persistently hot, dry weather brings an exceptionally high risk of damage. Information on fire risk factors and on prevention and control can be found in the specialist literature. Storm damage can take the form of ‘windthrow, ‘ when the whole tree is uprooted or of ‘wind snap, ‘ when the root anchorage is relatively firm, but the stem breaks under wind pre
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Cuevas-Suárez, Carlos, Lilia Ortiz-Rodríguez, and Carlos Alonso-Hernández. "Extracting resin from coniferous trees." In Biofilms based on forest resin for preservation of saladette tomatoes. ECORFAN, 2024. https://doi.org/10.35429/h.2024.10.11.20.

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The Valley and Cofre de Perote Region is located in the state of Veracruz, where the main source of income in the region is generated from agricultural activities, which is why, due to not having other types of alternative economic income to satisfy their needs, the region's forests are under notable pressure, given that agricultural activities generate the loss of forest cover. An alternative for the income of economic resources without the need to modify forest areas is the implementation of resin extraction to obtain rosin, since in addition to providing income to the population, it generat
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Sandim, André, Maria Emília Silva, Ana Cristina Gonçalves, Margarida Tomé, and Teresa Fidalgo Fonseca. "Management of Pinus pinaster Aiton for Wood and Resin Production: A Technical-Financial Feasibility Analysis." In Conifers - Recent Advances [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104855.

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Maritime Pine sector is an important agent for promoting economy and sustainable development in Portugal. Among the products explored in these forests are wood and resin. The objective of this work was to evaluate the technical and financial viability from the creation of three simulated exploration scenarios: Wood Exploration (W), Resin (R) and Wood + Resin (WR), for this it was defined a loss of 16% of wood volume in resined forest stands and created operational models that defined the costs, investments and revenues that made it possible to prepare cash flow for each scenario and apply the
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Butin, Heinz. "Damage to Buds, Shoots, and Branches." In Tree Diseases And Disorders, edited by David Lonsdale. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198549321.003.0004.

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Abstract Shoots tend to be damaged most severely by frost when it occurs in spring ( ‘late frost ‘), since the tissues are soft at this time and more susceptible to thermal shock than in autumn or winter. However, frosts at the end of the growing season ( ‘early frosts ‘) can also be damaging to certain species that have a continuous flushing habit and set buds late in the summer (e.g. poplars) or not at all (e.g. eucalypts). Severe frost damage causes shoots to wilt and droop, becoming brown and desiccated after a few days. If the damage is sublethal or confined to one side of the shoot, subs
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Esbah H., Kara B., Deniz B., and Kesgin B. "Urban growth pattern of Didim." In Remote Sensing for a Changing Europe. IOS Press, 2009. https://doi.org/10.3233/978-1-58603-986-8-165.

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Didim peninsula is the fattest growing urban area in the Aydin province, Turkey. Since 1990, the Town of Didim has changed significantly after discovered by domestic and international tourist. In spite of the recent rapid LULC change, Didim has not been spoiled compared to other big touristic towns of Turkey. Didim has been announced as “Tourism hot spot” in 2000, thus its planning is overseen by the Ministry of Culture and Tourism. Monitoring of the Didim's development is necessary to guide the Ministry in promoting sustainable planning guidelines. The present work aims to
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Allen, Harriet. "Vegetation and Ecosystem Dynamics." In The Physical Geography of the Mediterranean. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780199268030.003.0019.

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Within the Mediterranean region a number of distinctive vegetation communities can be recognized, comprising some 25,000 species, of which about 50 per cent are endemic. Broadly defined, these originated with the establishment of a mediterranean-type climate about 3.2 million years ago, since when they have been subject to the vicissitudes of glacial–interglacial climate changes, plus the intensification of human impact during the last 10,000 years (Chapters 4 and 9). These communities are dynamic, responding to environmental changes at a variety of scales, both spatial and temporal. This chap
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Ehrenfeld, David. "A Walk in the Woods." In Swimming Lessons. Oxford University Press, 2002. http://dx.doi.org/10.1093/oso/9780195148527.003.0036.

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The forest was small by American standards, perhaps fifty or sixty acres, but in the rolling Devon countryside with its parceled fields and narrow, hedge-enclosed lanes, it felt appropriately spacious. I was enjoying the guided tour in one of my favorite parts of the world. The light rain and chilly July breezes felt right; the English ivy carpeting the ground seemed right; the leafy hardwoods looked right (although I didn’t know the species and could easily have been fooled); and the probably medieval bank and ditch running through the woods at right angles to the path gave everything an impr
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Conference papers on the topic "Coniferous logs"

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Серая, Л. Г., Г. Е. Ларина, И. Н. Калембет, Е. В. Бондарева, Н. Н. Полякова, and Т. А. Петровнина. "Coniferous fall near tree species at landscaping objects." In МЕЖДУНАРОДНАЯ АССОЦИАЦИЯ АКАДЕМИЙ НАУК СОВЕТ БОТАНИЧЕСКИХ САДОВ СТРАН СНГ ПРИ МЕЖДУНАРОДНОЙ АССОЦИАЦИИ АКАДЕМИЙ НАУК Информационный бюллетень. Crossref, 2022. http://dx.doi.org/10.35102/cbgcis.2022.34.81.018.

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Явление, при котором хвойное растение сбрасывает старую, засохшую хвою (в возрасте от 2-х до 5-и лет в зависимости от биологии вида) называют хвоепадом. Для многих хвойных пород осеннее опадение хвои – это естественное явление и, как правило, происходит ежегодно. На объектах озеленения помимо естественных причин хвоепада наблюдают частичный или полный сброс хвои как отклик на стресс. Например, на этапе адаптации при пересадке крупномерного посадочного материала существует вероятность опадения до 70% хвои. Таким образом дерево регулирует объем наземной части и корневой системы. Но возможен и ин
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Medvedev, Il'ya, Dmitriy Parinov, and Vladimir Shamaev. "CONTINUOUS IMPREGNATION OF WOOD FROM THE END FACE UNDER PRESSURE WITH VARIOUS COMPOSITIONS." In Modern machines, equipment and IT solutions for industrial complex: theory and practice. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2021. http://dx.doi.org/10.34220/mmeitsic2021_245-249.

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Modern impregnating compositions for wood can significantly improve its characteristics. Water-soluble and oily antiseptics, flame retardants, strengthening and plasticizing modifiers, and dyes are used as impregnating compositions. By means of impregnation, substances are introduced into the wood that increase its characteristics such as plasticity, hydrophobicity, bio- fire resistance and shape stability. But, the indicator of certain properties after impregnation of wood with a certain composition depends on the depth of impregnation, on the uniformity of the distribution of the impregnatin
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Canaris, N., T. Kludt, and B. T. Newton. "Canopy interception loss for a mixed coniferous forest in southern New Mexico prior to tree-thinning treatment." In 2011 New Mexico Geological Society Annual Spring Meeting. New Mexico Geological Society, 2011. http://dx.doi.org/10.56577/sm-2011.611.

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Preto, Fernando. "Combustion of Wood Processing Residues in a Circulating Fluidized Bed." In 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-171.

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The combustion of wood processing residues was tested in the 0.8 MWth CANMET Circulating Fluidized Bed Combustor (CFBC) pilot plant. The specific residues tested were three different types of coniferous tree bark (i.e. from different locations to represent a range of possible fuels and fuel properties). Combustion conditions may be summarized as follows: fuel moisture levels 42–60%, fluidizing velocity 2.1–2.4 m/s; bed temperature 785–910 °C; maximum freeboard temperature 980–1070 °C and excess air levels 20–75%. The CFBC unit was able to burn the high moisture level fuels with no detrimental
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Daugaviete, Mudrite, Galina Telysheva, Ojars Polis, Ausma Korica, and Kaspars Spalvis. "Plantation forests as regional strength for development of rural bioeconomy." In 21st International Scientific Conference "Economic Science for Rural Development 2020". Latvia University of Life Sciences and Technologies. Faculty of Economics and Social Development, 2020. http://dx.doi.org/10.22616/esrd.2020.53.001.

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The establishment of plantation forests in areas not viable for agriculture can make a significant contribution to the economy. The yield from 1 ha of plantation forest depends on the management purpose - obtaining of round wood (pulpwood, sawnlog, veneer log, tare), bioenergy and extraction of tree foliage (broadleaved and coniferous). In Latvia, based on 2019 data, plantation forests achieve 2760 ha of Scots pine, 7855 ha of Norway spruce, 7431 ha of Birch, 2123 ha of Grey alder, 1274 ha of Black alder and Populus spp. and 618 ha of Salix spp. Estimated and projected gains are calculated bot
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Соколов, И. В., А. И. Иванов, Ж. А. Иванова, Е. Я. Рижия, and И. И. Петров. "REMOTE SENSING IN SOLVING PROBLEMS SECONDARY DEVELOPMENT OF AGRICULTURAL LAND." In МАТЕРИАЛЫ II Всероссийской научной конференции с международным участием «ПРИМЕНЕНИЕ СРЕДСТВ ДИСТАНЦИОННОГО ЗОНДИРОВАНИЯ ЗЕМЛИ В СЕЛЬСКОМ ХОЗЯЙСТВЕ» Санкт-Петербург, 26–28 сентября 2018 г. Crossref, 2018. http://dx.doi.org/10.25695/agrophysica.2018.2.18783.

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В ходе комплексного исследования с использованием данных дистанционного зондирования установлены параметры накопления надземной биомассы на сельскохозяйственных угодьях, зарастающих древесной растительностью. В результате восстановления их плодородия при помощи новых мелиорантов продуктивность однолетних трав повысилась в 2,2–2,8 раза. Наибольшее преимущество было достигнуто в варианте с технологической переработкой ДКР в биоуголь. The crisis of commodity farming in the North-West of Russia has led to the loss of a significant part of agricultural land, their apparent and hidden degradation. T
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Reports on the topic "Coniferous logs"

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Becker, Sarah, Craig Daughtry, and Andrew Russ. Robust forest cover indices for multispectral images. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42760.

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Trees occur in many land cover classes and provide significant ecosystem services. Remotely sensed multispectral images are often used to create thematic maps of land cover, but accurately identifying trees in mixed land-use scenes is challenging. We developed two forest cover indices and protocols that reliably identified trees in WorldView-2 multispectral images. The study site in Maryland included coniferous and deciduous trees associated with agricultural fields and pastures, residential and commercial buildings, roads, parking lots, wetlands, and forests. The forest cover indices exploite
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