Готові списки джерел за темами / Local specific wood species

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Добірка наукової літератури з теми "Local specific wood species"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Local specific wood species"

Rizqiani, Kanti D., Yeni Aprianis, and Ahmad Junaedi. "Potensi Tiga Jenis Kayu Tanah Gambut Sumatera sebagai Bahan Baku Pulp dan Kertas (The Potential of Three Peat Land Woods of Sumatera as Pulp and Paper Raw Material)." Jurnal Ilmu dan Teknologi Kayu Tropis 17, no. 2 (2021): 112–21. http://dx.doi.org/10.51850/jitkt.v17i2.192.

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The growth of pulp and paper industries has encouraged the expansion of the industrial plantation forests for pulp wood. The exotic species planted for pulp wood initially maintained a relatively high productivity, however it decreases in the following rotation cycles. The peat land wood species of Sumatera could be an alternative for exotic species. However, the insufficient information on the wood properties has brought about they are less considered. This paper examined the fiber quality of Sumatran local peat-wood and its possibility as a raw material of pulp and paper. For specific gravit

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Muslich, Mohammad, and Sri Rulliaty. "DURABILTY OF 25 LOCAL SPECIFIC WOOD SPECIES FROM JAVA PRESERVED WITH CCB AGAINST MARINE BORERS ATTACK." JOURNAL OF FORESTRY RESEARCH 7, no. 2 (2010): 144–54. https://doi.org/10.20886/ijfr.2010.7.2.144-154.

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This study was conducted to provide basis information of the 25 local specific wood species indigenous from Java treated by copper bichromated boron (CCB). The full-cell process for 2 hours and 150 psi during the pressure-keeping period was employed. The IUFRO method was applied for the determination of wood treatability class. The treated and untreated wood specimens were tied together using plastic cord, arranged into a raft like assembly, and then exposed for 3, 6, and 12 months to the brackish water situated at Rambut Island’s coastal area. The Nordic Wood Preservation Council (NWPC)

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Mertz, Mechtild, Sangeeta Gupta, Yutaka Hirako, Pimpim de Azevedo, and Junji Sugiyama. "WOOD SELECTION OF ANCIENT TEMPLES IN THE SIKKIM HIMALAYAS." IAWA Journal 35, no. 4 (2014): 444–62. http://dx.doi.org/10.1163/22941932-00000077.

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Microscopic wood identifications were performed on five Buddhist temple structures and on one secular building located in Sikkim, an Indian state in the Eastern Himalayas. In all, twenty wood species were identified, two of which – Michelia (Magnolia) doltsopa and Picea cf. spinulosa – were considered in more detail. Building type, specific physical and mechanical properties of the wood species, local availability, and religious considerations were apparently the leading criteria for timber selection.

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Julio Camarero, J. "Linking functional traits and climate-growth relationships in Mediterranean species through wood density." IAWA Journal 40, no. 2 (2019): 215—S2. http://dx.doi.org/10.1163/22941932-40190225.

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ABSTRACTFunctional traits are considered to influence the performance of woody plants. However, few field studies have tested this idea by using radial-growth data. Here, I test if five major traits of the leafand wood-economics spectra (height, leaf area, specific leaf area – SLA, wood density – WD and hydraulic diameter) explain climate-growth relationships in 14 Mediterranean trees and shrubs. Traits were measured for both gymnosperm (four Juniperus species plus three Pinus species) and angiosperm species (two Quercus species, two Pistacia species, Arbutus unedo, Celtis australis, and one T

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Hounlonon, Montcho Crépin, Adéyèmi Clément Kouchadé, Alexis Enagnon MEDEHOUENOU, Vincent GOHOUNGO, Aristide Comlan HOUNGAN, and Basile Bruno KOUNOUHEWA. "Physical, Mechanical and Acoustic Characteristics of Anogeissus leiocarpus, Manilkara multinervis and Cylicodiscus gabunen-sis Woods Marketed in Benin in West Africa." International Journal of Engineering & Technology 11, no. 2 (2022): 103–7. http://dx.doi.org/10.14419/ijet.v11i2.32049.

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Wood is a material used in construction, in instrument making, etc. In Benin, for heavy construction and construction on wetland, species with high technological characteristics are imported. But the performance of these imported species compared to local indigenous or exotic species remains to be verified. Thus, it is necessary to determine the basic technological properties of these species. It is within this framework that we have, on 500mmÃ—20mmÃ—20mm prismatic wood specimens of Anogeissus leiocarpus, Manilkara multinervis and Cylicodiscus gabunensis, used the acoustic method BING (Beam Id

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ILU, K. J., K. D. SALAMI, A. U. JIBBO, F. O. MOSHOOD, and M. Y. KARAJE. "ASSESSMENT AND UTILIZATION OF FUEL WOOD SPECIES IN WARAWA LOCAL GOVERNMENT AREA OF KANO STATE, NIGERIA." FUDMA Journal of Agriculture and Agricultural Technology 7, no. 2 (2022): 104–9. http://dx.doi.org/10.33003/jaat.2021.0702.054.

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Fuel wood gathering is one of the major economic resources in rural communities especially in the Northern Nigeria which could lead todevastation of the forest. The research focused on the assessment and utilization of the fuelwood species in Warawa Local Government, Kano State. Purposive random sampling was the technique used and one hundred and twenty (120) structured questionnaires were administered to the respondents. Four major markets sampled were: Warawa, Garindau, Tangar and Amarawa fuel wood markets. Descriptive statisticswere used such as frequency and percentage. Results showed that

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Kutchartt, Erico, Jorge Gayoso, Javier Guerra, et al. "Short Communication. Basic wood density and moisture content of 14 shrub species under two different site conditions in the Chilean Mediterranean shrubland." Forest Systems 31, no. 1 (2022): eSC01-eSC01. http://dx.doi.org/10.5424/fs/2022311-18160.

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Aim of the study: The aim of this study is to provide information on species-specific basic wood density (g cm-3) and moisture content (%) in Mediterranean shrublands. Area of study: The study covers two sites of the sclerophyllous shrubland in central Chile, Cortaderal (34°35’S 71°29’W) and Miraflores (34°08’S 70°37’W), characterized by different climatic and topographic conditions. Material and methods: The sampling area covers 4,000 m2 over four plots at two sites. Shrub species were identified and size-related attributes such as height and crown size measured. A total of 322 shrubs were sa

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Chhetri, Yog Raj, Chungdu Tshering, Dorji Dukpa, and Dendup Tshering. "Region-specific Average Wood Densities of Selected Tree Species of Bhutan and Their Comparison with the Global Database." Asian Journal of Environment & Ecology 24, no. 4 (2025): 238–47. https://doi.org/10.9734/ajee/2025/v24i4690.

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Aims: The study was conducted to analyze the wood density for three conifer tree species (Juniperus recurva, Picea spinulosa, and Abies densa) which are widely used in Bhutan for house construction, incense making and firewood purposes. The wood density for these species is exhibited according to physiographic regions of the country (West, West-Central, East, and East-Central). Study Design: This study investigates the wood density of Juniperus recurva, Abies densa, and Picea spinulosa across Bhutan's physiographic zones. A total of 32 trees per species were sampled, with eight trees selected

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Muslich, Mohammad, and Sri Rulliaty. "Durabilty of 25 Local Specific Wood Species from Java Preserved With CCB Against Marine Borers Attack." Indonesian Journal of Forestry Research 7, no. 2 (2010): 144–54. http://dx.doi.org/10.20886/ijfr.2010.7.2.144-154.

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Smith, Lauren A., David M. Eissenstat, and Margot W. Kaye. "Variability in aboveground carbon driven by slope aspect and curvature in an eastern deciduous forest, USA." Canadian Journal of Forest Research 47, no. 2 (2017): 149–58. http://dx.doi.org/10.1139/cjfr-2016-0147.

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In forested ecosystems, topography and tree species contribute to spatial variability in carbon (C) dynamics through differential rates of C uptake and storage; therefore, estimates of species-specific and spatial variability in C can strengthen ecosystem budgets. To produce such estimates, we deconstructed watershed-scale C and component pools (e.g., wood biomass, litter) and fluxes at a fine scale using a small mixed deciduous forest catchment to determine the variation due to topographic position and species. Factors affecting fluxes included aspect, slope curvature, tree species contributi

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Більше джерел

Дисертації з теми "Local specific wood species"

Ozden, Seray. "The relationship between the anatomy and mechanical properties of different green wood species." Thesis, University of Manchester, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684776.

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Trees are exposed to many stresses over their lifetime and withstand them due to their woody skeleton which provides excellent mechanical support. Wood has therefore been one of the most used materials throughout the history of humanity. However, the mechanical properties of wood vary considerably depending on wood anatomy and also show significant differences between and within trees. Wood is a cellular solid, characterised by a high degree of anisotropy at all levels of organisation and is formed by cells which are oriented largely in the longitudinal and radial directions, making wood mecha

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Jackson, Gavin John. "Local adsorption structure determination of chemically-specific species using normal incidence X-ray standing wavefields." Thesis, University of Warwick, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343835.

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Maas, Bea. "Birds, bats and arthropods in tropical agroforestry landscapes: Functional diversity, multitrophic interactions and crop yield." Doctoral thesis, 2013. http://hdl.handle.net/11858/00-1735-0000-0022-5E77-5.

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Книги з теми "Local specific wood species"

Wiemann, Michael Carl. Estimating Janka hardness from specific gravity for tropical and temperate species. U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 2007.

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Miles, Patrick D. Specific gravity and other properties of wood and bark for 156 tree species found in North America. U.S. Dept. of Agriculture, Forest Service, Northern Research Station, 2009.

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Jackson, Gavin John. Local adsorption structure determination of chemically-specific species using normal incidence X-ray standing wavefields. typescript, 1999.

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Ferguson, Heather, Patrick Brock, and Steve Torr. Host-species diversity and the transmission of vector-borne disease in low-income countries. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789833.003.0012.

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The term “dilution effect” describes scenarios where pathogen transmission is reduced as host diversity increases. Theoretical frameworks exist to predict conditions under which dilution effects may arise, with vector-borne diseases (VBDs) being particularly susceptible to host diversity. However, to date, empirical investigation of dilution effects has been restricted to a few temperate VBD systems. We review the potential contribution of dilution effects for VBDs of greatest public health importance in low-income, typically tropical, countries. Using examples, we discuss how the underlying e

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Meshaka, Walter E. ,. Jr, Suzanne L. Collins, R. Bruce Bury, and Malcolm L. McCallum. Exotic Amphibians and Reptiles of the United States. University Press of Florida, 2022. http://dx.doi.org/10.5744/florida/9780813066967.001.0001.

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The first complete field guide to the exotic amphibians and reptiles established in the continental United States and Hawaii, this volume covers 74 species that are not native to the country and 29 species that are native but occur beyond their original geographic range. Dispersed from their former habitats by human activity, many of these species are invasive in their new environments, causing ecological or economic harm. Ideal for naturalists of all levels, the book details each species' taxonomy, distribution, history, and ecology and portrays each one with vibrant photographs. Drawing on c

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Petrossian, Gohar A. The Last Fish Swimming. ABC-CLIO, LLC, 2019. http://dx.doi.org/10.5040/9798400676734.

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This book examines the global, local, and specific environmental factors that facilitate illegal fishing and proposes effective ways to reduce the opportunities and incentives that threaten the existence of the world’s fish. Humans are deeply dependent on fishing—globally, fish comprise 15 percent of the protein intake for approximately 3 billion people, and 8 percent of the global population depends on the fishing industry as their livelihood. The global fishing industry is plagued by illegal fishing, however, and many highly commercial species, such as cod, tuna, orange roughy, and swordfish

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Remmerswaal, Pieter, and Ad de Gouw. Do you see those parents? A guide for professional work with parents. SWP publishers, 2022. http://dx.doi.org/10.36254/978-90-8560-204-0.

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This book is used in a number of universities in Belgium, the Netherlands and on Dutch Caribbean islands. In the course of an international parenting program of different universities in Europe, participants inquired repeatedly about an English version of our book. This edition answers to that question. But how to translate the different meanings of the first part of the Dutch title into proper English? And also in such a way it can be well understood in other European countries as the special focus of this book? Let us take you shortly along our process of decision making, how to translate th

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autores, Varios. A practical guidance on estimation of european wild ungulate population density. Ediciones de la Universidad de Castilla-La Mancha, 2022. http://dx.doi.org/10.18239/atenea_2022.41.00.

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Given the diversity of available methods and the geographical diversity of Europe, methodological harmonization is duly needed. The general aim of this guidance is to review the methods for estimating density in European wild ungula¬tes. This guidance is based in previous comprehensive reviews carried out by the ENETWILD Consortium, which propo¬sed general recommendations for practical implementation of methods to estimate wild ungulate density. We present 9 methods used in nineteen wild ruminant species and wild boar distributed across Europe, paying special attention to most practical method

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Bartkowicz, Leszek. Tekstura drzewostanów naturalnych w polskich parkach narodowych na tle teorii dynamiki lasu. Publishing House of the University of Agriculture in Krakow, 2021. http://dx.doi.org/10.15576/978-83-66602-20-5.

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The aim of the study was to compare a patch-mosaic pattern in the old-growth forest stands developed in various climate and soil conditions occurring in different regions of Poland. Based on the assumption, that the patch-mosaic pattern in the forest reflect the dynamic processes taking place in it, and that each type of forest ecosystem is characterized by a specific regime of natural disturbances, the following hypotheses were formulated: (i) the patches with a complex structure in stands composed of latesuccessional, shade-tolerant tree species are more common than those composed of early-s

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Chang, Chia-ju, and Scott Slovic. Ecocriticism in Taiwan. Lexington Books, 2016. https://doi.org/10.5040/9781666993219.

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Ecocriticism is a mode of interdisciplinary critical inquiry into the relationship between cultural production, society, and the environment. The field advocates for the more-than-human realm as well as for underprivileged human and non-human groups and their perspectives. Taiwan is one of the earliest centers for promoting ecocriticism outside the West and has continued to play a central role in shaping ecocriticism in East Asia. This is the first English anthology dedicated to the vibrant development of ecocriticism in Taiwan. It provides a window to Taiwan’s important contributions to inter

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Частини книг з теми "Local specific wood species"

Klisz, Marcin, Debojyoti Chakraborty, Branislav Cvjetković, et al. "Functional Traits of Boreal Species and Adaptation to Local Conditions." In Advances in Global Change Research. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15988-6_12.

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AbstractSpecies continuity under the harsh climatic conditions of the boreal forest requires trees to ensure the functioning of two main life processes, namely growth and reproduction. However, species survival becomes a challenge when environmental conditions become unstable and reach the taxa’s ecological tolerance limit. Survival in an unstable environment is possible through the concurring processes of phenotypic plasticity and local adaptation; each process has its advantages and shortcomings. Local adaptation allows attaining the best possible fitness under conditions of limited gene flo

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Shishov, Vladimir V., Alberto Arzac, Margarita I. Popkova, Bao Yang, Minhui He, and Eugene A. Vaganov. "Experimental and Theoretical Analysis of Tree-Ring Growth in Cold Climates." In Advances in Global Change Research. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15988-6_11.

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AbstractThe medium- and long-term projections of global climate models show the effects of global warming will be most pronounced in cold climate areas, especially in the high latitudes of the Northern Hemisphere. The consequences could involve a higher probability of global natural disasters and a higher uncertainty as to plant response to climate risk. In this chapter, we describe life under a cold climate, particularly in relation to forest ecosystems, species distribution, and local conditions in the Northern Hemisphere. We analyze recent climate trends and how the ongoing and future clima

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Viret, Olivier, and Katia Gindro. "Root Diseases." In Science of Fungi in Grapevine. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-68663-4_6.

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AbstractRoot rots are relatively common in perennial plants, affecting all cultivated species as well as many forest species. In viticulture, root rots are often local and very difficult to control. Root-rot fungi play a key role in the degradation of organic matter in forest ecosystems. Their presence on cultivated plants is always associated with residues of dead wood in the soil acting as a substrate or with the immediate proximity of forests, which serve as an inoculum reservoir. Root rots can cause high economic losses. The symptoms of decline caused by the different rots are difficult to

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Seminara, Paola, Julio Bros-Williamson, Andrew Livingstone, and Robert Hairstans. "Wood Fibre Insulation: Unlocking Local Resources with a Multi-criteria Decision Model for UK-Grown Species." In RILEM Bookseries. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-92874-1_17.

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Bruegmann, Tobias, Alexander Fendel, Virginia Zahn, and Matthias Fladung. "Genome Editing in Forest Trees." In A Roadmap for Plant Genome Editing. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-46150-7_20.

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AbstractSince the first CRISPR/Cas-mediated genome editing of poplar in 2015, an increasing number of tree species are being genome-edited. Although the availability of genome sequences, tissue culture and transformation systems are limiting factors, research is ongoing on advanced methods such as DNA-free genome editing and gene targeting approaches in addition to the optimisation of single gene knockouts. These can be used to address ambitious issues and perform genome editing more accurately, which has implications for the legal assessment of edited trees. Once technically established, CRIS

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Lindenmayer, D. B., and R. B. Cunningham. "A Habitat-Based Microscale Forest Classification System for Zoning Wood Production Areas to Conserve a Rare Species Threatened by Logging Operations in South-Eastern Australia." In Global to Local: Ecological Land Classification. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1653-1_38.

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Vermeeren, Caroline. "The Use of Imported and Local Wood Species at the Roman Port of Berenike, Red Sea Coast, Egypt." In The Exploitation of Plant Resources in Ancient Africa. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4757-6730-8_16.

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Asitoakor, Bismark Kwesi, Anders Ræbild, Philippe Vaast, et al. "Shade Tree Species Matter: Sustainable Cocoa-Agroforestry Management." In Agroforestry as Climate Change Adaptation. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-45635-0_3.

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AbstractShade trees are important components of cocoa-agroforestry systems because they influence yields, soil fertility and the occurrence of pests and diseases and may support adaptation to climate change. Based on a review of the existing literature and on primary data from field experiments, this chapter reports on the species-specific effects of shade trees in relation to the management of insect pests, black pod diseases and their impacts on cocoa yield. Shade tree species in cocoa systems impact soil available phosphorus differently and shade tree species such as Spanish cedar (Cedrela

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Shi, Yifan, and Satyam Gyanchandani. "Hygroflex: A Prototype of a Water-Responsive Facade System with an Innovative Integration of Timber and Biopolymer." In Computational Design and Robotic Fabrication. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3433-0_12.

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Abstract This research presents a humidity-responsive facade fabricated using advanced techniques such as robotic 3D printing, CNC milled wood, and kerf application. Inspired by nature’s adaptability, exemplified by how pinecones respond to humidity levels, the concept of ‘animate materials’ like wood, which can adapt and respond to their environment, was explored. A circular manufacturing approach was adopted, utilizing CNC milling and robotic 3D printing. Sawdust, a by-product, was transformed with Chitosan-based hydrogel to create a 3D printable material. This material was laid down in thre

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Suzuki, Haruka. "The Timber Processing and Retail Sectors in Pekanbaru, Riau: Toward Reforestation by Local People." In Global Environmental Studies. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0906-3_7.

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AbstractThe integral role of the timber industry in sustaining local reforestation efforts is often overlooked. The processing and retail sectors of the timber industry are significant in that they add value to forest resources, providing local jobs and lumber supplies. This study examines these sectors in Riau, Indonesia, where deforestation and degraded peatlands have been accelerating. Based on a field survey of randomly selected molding mills and timber kiosks in Pekanbaru, the author examines the nature and scale of timber production, sales, and supply chains. Both the molding mills and t

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Тези доповідей конференцій з теми "Local specific wood species"

Sisenis, Linards, Irina Pilvere, Baiba Jansone, Dace Brizga, and Edgars Dubrovskis. "ASSESSMENT OF THE QUALITY AND PRODUCTIVITY OF LODGEPOLE PINE GROWN IN THE WESTERN PART OF LATVIA." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s14.42.

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The research aims to examine the pace of growth of lodgepole pine, the amount of damage caused by biungulates and the quality of trunks for lodgepole pine provenances growing in the western part of Latvia in the areas around Ugale and Kuldiga, identifying the most damage-resistant and promising provenances for cultivation in Latvia. In Latvia, foresters and plant breeders have been working for years to increase the quality and productivity of local tree species, while assessing various forest stand management patterns and trying to reduce the rotation period of stands. Nowadays, because of cli

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Baera, Cornelia, Aurelian Gruin, Ana-Cristina Vasile, Bogdan Bolborea, and Alexandra Barbu. "INNOVATION IN VERNACULAR TRADITIONS: PRELIMINARY EXPERIMENTAL RESEARCH ON CLAY MIX DESIGN FOR DURABLE POURED EARTH WALLS." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s25.27.

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Innovative construction materials and techniques can be sourced from natural resources and traditional methods, and applied to green housing concepts to enhance energy efficiency and occupant well-being. Innovation in vernacular traditions can be achieved by integrating the modern, current methods and techniques, materials and tools within local traditional technologies and associated natural raw materials (clay, sand, wood, straw, and wool) in order to enhance ecologic housing facilities with improved overall performance: structural, economic and sustainable. The current paper focuses on deve

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Crolet, J. L., and M. R. Bonis. "Algorithm of the Protectiveness of Corrosion Layers 1 - Protectiveness Mechanisms and CO2 Corrosion Prediction." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10363.

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Abstract The predictions of the so called CO2 or sweet corrosion and the so called H2S or sour corrosion are questions raised and still pending for over 60 years. A reliable prediction actually requires one to understand when high or low corrosion rates are encountered in E&P operations (field data), how they can occur (comprehension of the various mechanisms ruling the corrosion layer protectiveness), and finally why they do occur (link between data and mechanisms). So far, however, and despite long lasting researches, these three aspects had always been studied separately. After a short

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Becker, Edward. "[Local] Materials Matter." In 2020 ACSA Fall Conference. ACSA Press, 2020. http://dx.doi.org/10.35483/acsa.aia.fallintercarbon.20.25.

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This research explores three design-research projects led by the author that transformed locally sourced, underutilized biomaterials into high-performance building products tailored to their regional contexts. They are intended to expose barriers related to product development, permitting, code compliance, and application, each key limitations for the widespread acceptance and utilization of novel low-carbon construction materials. One case-study project, the New River Train Observation Tower, involved the utilization of low-grade timber products for the development of local-species CLT. The l

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Narancic, Payton. "UTILIZING LOW-VALUE WOOD SPECIES FROM FOREST RESTORATION PROJECTS IN LOCAL CLT MANUFACTURE AND DESIGN." In World Conference on Timber Engineering 2023 (WCTE2023). World Conference on Timber Engineering (WCTE 2023), 2023. http://dx.doi.org/10.52202/069179-0485.

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Leiter, Nina, Maximilian Wohlschläger, Veronika Auer, Martin Versen, and Christian Laforsch. "An algorithmic method to identify multiple wood species in a single image by their specific fluorescence lifetimes." In Computational Optical Sensing and Imaging. OSA, 2021. http://dx.doi.org/10.1364/cosi.2021.cf2b.3.

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Leshchinskaya, Alexandra. "A. Leshchinskaya. MICROWAVE WOOD CHIP TREATMENT USE IN CHEMICAL PULP MANUFACTURING (TECHNICAL-ECONOMIC ASSESMENT)." In Ampere 2019. Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9706.

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MICROWAVE WOOD CHIP TREATMENT USE IN CHEMICAL PULP MANUFACTURING (TECHNICAL-ECONOMIC ASSESMENT) A. Leshchinskaya Plekhanov Russian University of Economics. 36 Stremyannyy Pereulok, 115093 Moscow, Russia, e-mail: alixfl@mail.ru] Keywords: chemical pulping, microwave wood modification, pulp, softwood, wood chips. Large volumes of cellulose are produced from wood chips by chemical methods. Low permeability of many wood species causes problems in the chemical pulp industry. These include: very long cooking times, high chemical consumption, large material losses, high energy consumption, and enviro

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Barreiros, Ricardo Marques, Walter de Souza Júnior, and Kelly Bossardi Dias. "Quality of guanandi wood (Calophyllum brasiliense Camb.) after heat treatment." In VI Seven International Multidisciplinary Congress. Seven Congress, 2024. http://dx.doi.org/10.56238/sevenvimulti2024-044.

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The scarcity of native forests and the national code that protects them have made it difficult to obtain timber considered as a good quality, thus making it necessary to discover new species or practices that make reforestation timber an alternative to reduce pressure on native forests. The objective of this study was to analyze the behavior of Guanandi wood ( Calophyllum brasiliense Camb.) regarding its physical properties when subjected to heat treatment and compare it to natural wood. In this work, boards were obtained from the basal logs of five 13-year-old trees, which were subjected to h

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Lomonaco, Patrizio, Antoine Debray, Francesco Delloro, et al. "Cold Spray Metal Coating of Wood for Cabinet Making Applications." In ITSC2019, edited by F. Azarmi, K. Balani, H. Koivuluoto, et al. ASM International, 2019. http://dx.doi.org/10.31399/asm.cp.itsc2019p0824.

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Abstract This study assesses the feasibility of cold spraying metal onto wood for commercial applications. It was found that particle adhesion and coating build-up differ significantly from the standard case of spraying metal on metal. Phenomena such as fiber rupture and buckling, pore filling, and particle anchoring required a new approach for process development and verification. First, a microscale analysis of the unique features of wood was necessary to define the deposition surface. Next, a wide range of cold spray tests were conducted to obtain metal coatings on four species of wood. To

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Brinen, Nicholas. "Constructs of Local Knowledge: Utilizing Local Material Streams for Community Based Projects." In 111th ACSA Annual Meeting Proceedings. ACSA Press, 2023. http://dx.doi.org/10.35483/acsa.am.111.48.

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Between 2020-2022 supply chains saw delays and scarcity, especially in the realm of building and construction materials. Years before the 2020 pandemic disrupted economic systems, public agencies in the eastern half of the United States were, and still are, battling the pandemic of the Emerald Ash Borer (EAB) and its infestation of the ash tree species. Today EAB infestations have been observed in 36 states. While the total number of ash trees removed in the US is incalculable at this point, Michigan has recorded 30 million felled trees so far due to EAB infestations.1 This pest has quickly be

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Звіти організацій з теми "Local specific wood species"

Nicholls, David L., Robert Deering, and Thomas R. Miles. Engineered wood fuels for southeast Alaska—local wood chips for thermal energy applications, and the specific case of Haines, Alaska. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2019. http://dx.doi.org/10.2737/pnw-gtr-965.

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Miles, Patrick D., and W. Brad Smith. Specific gravity and other properties of wood and bark for 156 tree species found in North America. U.S. Department of Agriculture, Forest Service, Northern Research Station, 2009. http://dx.doi.org/10.2737/nrs-rn-38.

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Chandrashekhar P. Joshi and Vincent L. Chiang. Improved Wood Properties Through Genetic Manipulation: Engineering of Syringyl Lignin in Softwood Species Through Xylem-Specific Expression of Hardwood Syringyl Monolignol Pathway Genes. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/946605.

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Needham, Glenn R., Uri Gerson, Gloria DeGrandi-Hoffman, D. Samatero, J. Yoder, and William Bruce. Integrated Management of Tracheal Mite, Acarapis woodi, and of Varroa Mite, Varroa jacobsoni, Major Pests of Honey Bees. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7573068.bard.

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Objectives: The Israeli work plan regarding HBTM included: (a) producing a better diagnostic method; (b) following infestations during the season and evaluating damage to resistant bees and, (c) controlling HBTM by conventional means under local conditions. For varroa our plans to try novel control (e.g. oil novel control (e.g. oil patties & essential oils) were initially delayed by very low pest populations, then disrupted by the emergence of fluvalinate resistance. We monitored the spread of resistance to understand it better, and analyzed an underlying biochemical resistance mechanism i

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Jung, Jacob, Richard Fischer, Chester McConnell, and Pam Bates. The use of US Army Corps of Engineers reservoirs as stopover sites for the Aransas–Wood Buffalo population of whooping crane. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/44980.

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This technical report summarizes the use of US Army Corps of Engineers (USACE) reservoirs as spring and fall migration stopover sites for the endangered Aransas–Wood Buffalo population of whooping cranes (WHCR), which proved much greater than previously known. We assessed stopover use within the migration flyway with satellite transmitter data on 68 WHCR during 2009–2018 from a study by the US Geological Survey (USGS) and collaborators, resulting in over 165,000 location records, supplemented by incidental observations from the US Fish and Wildlife Ser-vice (USFWS) and the USGS Biodiversity In

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Margenau, Eric, and Lenza Paul. A 23-year summary of a Monitoring Avian Productivity and Survivorship (MAPS) bird banding site in New River Gorge National River, West Virginia. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2287051.

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Long-term bird banding data were collected from 1996–2019 (except in 2008) to assess the New River riparian zone avian community in one location in New River Gorge National River (NERI). The NERI banding station has banded over 4,500 individuals over 10,700 net hours in the twenty-three years it has been in operation and has captured 80 different species. Total captures, capture rate, and total species have been declining annually over the study period. Species associated with early-successional/shrubland habitat also declined over the study period, which is consistent with regional trends dur

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Ford, Adam T., Marcel Huijser, and Anthony P. Clevenger. Long-term responses of an ecological community to highway mitigation measures. Nevada Department of Transportation, 2022. http://dx.doi.org/10.15788/ndot2022.06.

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In road mitigation systems characterized by multiple wildlife crossing structures (CS) and multiple-focal species, these species-specific design criteria are important to meeting management goals. CS types and locations are fixed in place and cannot be manipulated experimentally; long term studies may offer the best chance to inform evidence-based designs for new CS projects in the future. Long-term data from Banff National Park are uniquely posed to answer these critical questions. More recently, highway mitigation along US93 in Montana provides an additional case study with which to understa

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Dorr, Brian S., Kristi L. Sullivan, Paul D. Curtis, Richard B. Chipman, and Russell D. McCullough. Double-crested Cormorants. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 2016. http://dx.doi.org/10.32747/2016.7207735.ws.

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The history of conflict between double-crested cormorants and human interest in fisheries is long and convoluted. Overall, double-crested cormorants are not major consumers of commercial and sportfish species. However, exceptions have been recorded at specific sites with documented impacts on local fisheries. Double-crested cormorants can have a significant impact on vegetation at breeding sites through normal nesting activities. Their guano is acidic and can change soil chemistry, killing ground vegetation and irreversibly damaging nest trees. Humans should avoid direct contact with excrement

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Saluja, Ridhi, and Thanapon Piman. The wetlands of the lower Songkhram River basin need collaborative conservation. Stockholm Environment Institute, 2022. http://dx.doi.org/10.51414/sei2022.029.

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The wetlands of the lower Songkhram River basin are protected as a Ramsar site and a regional environmental asset, but they are under threat from numerous factors related to developmental activities. The lower Songkhram River is the last free-flowing tributary of the Mekong River and is a lifeline for over 14 000 households and a haven to many endemic biodiversity species. Local communities in the region have unique associations with the natural resources in the river basin, including the wetlands, and they perceive immense value in conserving these ecosystems. Natural resource policies lack s

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