Academic literature on the topic 'Forests and forestry $x Fire management'

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Journal articles on the topic "Forests and forestry $x Fire management"

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Nguyen, Chung Hoai, Christina Ani Setyaningsih, Svea Lina Jahnk, Asmadi Saad, Supiandi Sabiham, and Hermann Behling. "Forest Dynamics and Agroforestry History since AD 200 in the Highland of Sumatra, Indonesia." Forests 13, no. 9 (September 13, 2022): 1473. http://dx.doi.org/10.3390/f13091473.

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Understanding past forest dynamics and human influence is essential for future forest management and ecosystem conservation. This study aims to provide insights into the forest dynamics and agroforestry history in the highlands of Sumatra for the last 1800 years. We carried out palaeoecological multi-proxy analyses of pollen, spores, non-pollen palynomorphs, macro-charcoal, and X-ray fluorescence on a limnic sediment core taken from Danau Kecil in the submontane area of Kerinci Seblat National Park in Sumatra, Indonesia. Our results provide an 1800-year record of forest dynamics under climate change and human influence including the transition from forest opening to shifting cultivation and eventually permanent agroforestry. Indicators for forest openings and secondary forest formation have been present since the beginning of records (AD 200). This is followed by the possible initiation of sugar palm (Arenga) cultivation (AD 400). Since AD 500, potential agroforestry and forest gardening practices have promoted major timber trees such as Lithocarpus/Castanopsis, Bischofia, and Dipterocarpaceae combined with sugar palm (Arenga). Permanent agroforestry systems were possibly established since AD 1760, evinced by an increase in commodity trees such as Dipterocarpaceae for resin production. With the Dutch invasion ca. AD 1900, agroforestry intensified and expanded to the Kerinci Valley. This was followed by land use intensification and potential rice cultivation around Danau Kecil since the 1940s. This study provides the first details on past forest dynamics around Danau Kecil since AD 200, showing among others how appropriate forest management and a closed canopy could reduce fire vulnerability in submontane rainforest.
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EVANS, A. M., and A. J. FINKRAL. "From renewable energy to fire risk reduction: a synthesis of biomass harvesting and utilization case studies in US forests." GCB Bioenergy 1, no. 3 (June 2009): 211–19. http://dx.doi.org/10.1111/j.1757-1707.2009.01013.x.

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Pearson, Charlotte L., Darren Dale, and Keith Lombardo. "An investigation of fire scars in Pseudotsuga macrocarpa by Scanning X-Ray Fluorescence Microscopy." Forest Ecology and Management 262, no. 7 (October 2011): 1258–64. http://dx.doi.org/10.1016/j.foreco.2011.06.023.

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Bisson, Peter A., Bruce E. Rieman, Charlie Luce, Paul F. Hessburg, Danny C. Lee, Jeffrey L. Kershner, Gordon H. Reeves, and Robert E. Gresswell. "Fire and aquatic ecosystems of the western USA: current knowledge and key questions." Forest Ecology and Management 178, no. 1-2 (June 2003): 213–29. http://dx.doi.org/10.1016/s0378-1127(03)00063-x.

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Huddle, Julie A., and Stephen G. Pallardy. "Effect of fire on survival and growth of Acer rubrum and Quercus seedlings." Forest Ecology and Management 118, no. 1-3 (June 1999): 49–56. http://dx.doi.org/10.1016/s0378-1127(98)00485-x.

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Brose, Patrick, David Van Lear, and Roderick Cooper. "Using shelterwood harvests and prescribed fire to regenerate oak stands on productive upland sites." Forest Ecology and Management 113, no. 2-3 (January 1999): 125–41. http://dx.doi.org/10.1016/s0378-1127(98)00423-x.

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Proffitt, Kelly M., Jesse DeVoe, Kristin Barker, Rebecca Durham, Teagan Hayes, Mark Hebblewhite, Craig Jourdonnais, Philip Ramsey, and Julee Shamhart. "A century of changing fire management alters ungulate forage in a wildfire-dominated landscape." Forestry: An International Journal of Forest Research 92, no. 5 (April 12, 2019): 523–37. http://dx.doi.org/10.1093/forestry/cpz017.

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Abstract Forestry practices such as prescribed fire and wildfire management can modify the nutritional resources of ungulates across broad landscapes. To evaluate the influences of fire and forest management on ungulate nutrition, we measured and compared forage quality and abundance among a range of land cover types and fire histories within 3 elk ranges in Montana. We used historical fire data to assess fire-related variations in elk forage from 1900 to 2015. Fire affected summer forage more strongly than winter forage. Between 1900–1990 and 1990–2015, elk summer range burned by wildfire increased 242–1772 per cent, whereas the area on winter range burned by wildfire was low across all decades. Summer forage quality peaked in recently burned forests and decreased as time since burn increased. Summer forage abundance peaked in dry forests burned 6–15 years prior and mesic forests burned within 5 years. Forests recently burned by wildfire had higher summer forage quality and herbaceous abundance than those recently burned by prescribed fire. These results suggest that the nutritional carrying capacity for elk varies temporally with fire history and management practices. Our methods for characterizing nutritional resources provide a relatively straightforward approach for evaluating nutritional adequacy and tracking changes in forage associated with disturbances such as fire.
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Molina, Eliana, Osvaldo Valeria, Maxence Martin, Miguel Montoro Girona, and Jorge Andrés Ramirez. "Long-Term Impacts of Forest Management Practices under Climate Change on Structure, Composition, and Fragmentation of the Canadian Boreal Landscape." Forests 13, no. 8 (August 15, 2022): 1292. http://dx.doi.org/10.3390/f13081292.

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Forest harvesting and fire are major disturbances in boreal forests. Forest harvesting has modified stand successional pathways, which has led to compositional changes from the original conifer-dominated forests to predominantly mixed and hardwood forests. Boreal fire regimes are expected to change with future climate change. Using the LANDIS-II spatially explicit landscape model, we evaluated the effects of forest management scenarios and projected fire regimes under climate change in northeastern Canadian boreal forests, and we determined the subsequent alteration in stand- and landscape-level composition, succession, and spatial configuration of boreal forests. We observed that, in contrast to successional pathways that followed fire, successional pathways that followed forest harvesting favored mixed forests with a prevalence of shade-intolerant hardwoods for up to 300 y after harvesting. This trend was exacerbated under climate change scenarios where forests became dominated by hardwood species, particularly in ecoregions where these species were found currently in low abundance. Our results highlight the failure of existing forest management regimes to emulate the effects of natural disturbance regimes on boreal forest composition and configuration. This illustrates the risks to maintaining ecosystem goods and services over the long term and the exacerbation of this trend in the context of future climate change.
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Leavesley, Adam J. "Burning Issues – Sustainability and Management of Australia’s Southern Forests." Pacific Conservation Biology 18, no. 2 (2012): 146. http://dx.doi.org/10.1071/pc120146.

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THE day we know how every Australian plant and animal responds to three fire intensities, three fire frequencies, and two fire seasons is the day that fire managers will finally have a decent handle on this most complex of processes. In the meantime though, where the science runs out fire management is directed by best guesses. In Australia, these guesses fall into three paradigms: the ecological paradigm; the indigenous paradigm; and the forestry paradigm. The ecological paradigm is species-centred and based on Ockham’s Razor — the assumption that the simplest answer is the most likely. The indigenous paradigm is based on the assumption that aboriginal people were the dominant drivers of fire regimes before Europeans arrived and that the best thing that we can do to manage fire now is to try to emulate what we think they used to do. The forestry paradigm is based on the assumption that traditional timber production practices are the best way to meet fire management aims. In practice, most fire management programs are an amalgam of all three paradigms with priority given to one or another depending on the circumstances and worldview of the practitioners.
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Roberts, Lance Jay, Ryan Burnett, and Alissa Fogg. "Fire and Mechanical Forest Management Treatments Support Different Portions of the Bird Community in Fire-Suppressed Forests." Forests 12, no. 2 (January 28, 2021): 150. http://dx.doi.org/10.3390/f12020150.

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Silvicultural treatments, fire, and insect outbreaks are the primary disturbance events currently affecting forests in the Sierra Nevada Mountains of California, a region where plants and wildlife are highly adapted to a frequent-fire disturbance regime that has been suppressed for decades. Although the effects of both fire and silviculture on wildlife have been studied by many, there are few studies that directly compare their long-term effects on wildlife communities. We conducted avian point counts from 2010 to 2019 at 1987 in situ field survey locations across eight national forests and collected fire and silvicultural treatment data from 1987 to 2016, resulting in a 20-year post-disturbance chronosequence. We evaluated two categories of fire severity in comparison to silvicultural management (largely pre-commercial and commercial thinning treatments) as well as undisturbed locations to model their influences on abundances of 71 breeding bird species. More species (48% of the community) reached peak abundance at moderate-high-severity-fire locations than at low-severity fire (8%), silvicultural management (16%), or undisturbed (13%) locations. Total community abundance was highest in undisturbed dense forests as well as in the first few years after silvicultural management and lowest in the first few years after moderate-high-severity fire, then abundance in all types of disturbed habitats was similar by 10 years after disturbance. Even though the total community abundance was relatively low in moderate-high-severity-fire habitats, species diversity was the highest. Moderate-high-severity fire supported a unique portion of the avian community, while low-severity fire and silvicultural management were relatively similar. We conclude that a significant portion of the bird community in the Sierra Nevada region is dependent on moderate-high-severity fire and thus recommend that a prescribed and managed wildfire program that incorporates a variety of fire effects will best maintain biodiversity in this region.
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Dissertations / Theses on the topic "Forests and forestry $x Fire management"

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Souza, Maria Lucimar de Lima. "Institutional arrangements for fire management in the Brazilian Amazon." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024926.

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Charpentier, Jessica E. "Wildland Fire Disturbance - Recovery Dynamics in Upland Forests at Acadia National Park, Maine." Antioch University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1589622211058728.

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Miesel, Jessica Rae. "Restoring Mixed-Conifer Forests with Fire and Mechanical Thinning: Effects on Soil Properties and Mature Conifer Foliage." Columbus, Ohio : Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1239375425.

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Jorgensen, Carl Arik. "The Effects of Spruce Beetle (Coleoptera: Curculionidae: Scolytinae) on Fuels and Fire in Intermountain Spruce-Fir Forests." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/646.

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In spruce-fir forests, there are many biotic and abiotic disturbances that can alter stand structure and composition. Many of these disturbances can produce high percentages of tree mortality at different scales. Spruce beetle has been considered a devastating disturbance agent, capable of creating high levels of mortality that will alter fuel complexes that may affect fire behavior. For comparison, stand data were gathered in endemic (near Loa and Moab, UT), epidemic (near Loa and Fairview, UT), and post-epidemic (near Salina and Loa, UT) condition classes of spruce beetle activity. Generally, fine fuels were higher during the epidemic and returned to background levels during post-epidemic conditions. Also, herbaceous and shrub components increase following outbreak situations with an initial pulse of herbaceous material during epidemics followed by the expansion of shrub material in post-epidemic areas. Fuel bed bulk depth, large diameter woody material, sound and rotten, and duff did not significantly differ between spruce beetle condition classes. Available live canopy fuel, canopy bulk density, and canopy base height were significantly reduced from endemic when compared to epidemic and post-epidemic condition classes. The fuel complex alterations resulted in changes to calculated surface and crown fire behavior. Crown base height decreased in post-epidemic classes, which allowed for easier crown fire initiation. Due to large gaps in canopy continuity, no active crown fire was initiated. In endemic situations, canopy bulk density was adequate to maintain active crown fire runs, but crown base height was too high to initiate crown fire. Surface fire, estimated from the custom fuel models following fuel complex alterations, showed that fireline intensity and rates of spread were greater in post-epidemic areas, but mostly due to reduced overstory sheltering. When custom fuel models were compared with similar mid-flame wind speeds, epidemic and post-epidemic fire behavior predictions were similar, indicating that reduced sheltering was more dominant than the influence of the fuels complex or solar radiation. When custom fuel models were compared with established fuel models, none predicted the same fire behavior outputs.
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Anning, Alexander K. "Prescribed Fire and Thinning Effects on Tree Growth and Carbon Sequestration in Mixed-Oak Forests, Ohio, U.S.A." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1384948011.

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Ring, Jenifer L. "The effects of prescribed fire on herbaceous plant community composition and tree seedling density in a mature oak forest : Hoosier National Forest, Pleasant Run Unit, Jackson County, Indiana." Virtual Press, 1998. http://liblink.bsu.edu/uhtbin/catkey/1115751.

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A stratified sampling method was used to study the effects of two prescribed fires on a 250-acre section at the northwest end of Fork Ridge, Hoosier National Forest, in the spring of 1993 and 1995. An unburned area at the southeast end of Fork Ridge, adjacent to the burned area, and with similar forest communities, was used as a control area. Three growing seasons after the last fire, the burned area exhibited noticeable differences in understory vegetation. Herbaceous species diversity and richness, total herb cover on mesic sites, and mean percent cover and relative frequency for mesic-site, shade-tolerant species were greater on the burned area than on the unburned area. Dry-site, shade-intolerant tree seedlings including scarlet oak (Quercus Coccina), chestnut oak (Quercus prinus), sassafras (Sassafras albi dum), and tulip poplar (Liriodendron tulipifera) had higher relative frequency in the burned area, while shade-tolerant flowering dogwood (Cornus Florida) had lower relative frequency.
Department of Biology
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McCarthy, Dawn R. "Belowground Carbon Processes in Managed Oak-Hickory Forests of Southeastern Ohio." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1226451729.

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Cassell, Brooke Alyce. "Assessing the Effects of Climate Change and Fuel Treatments on Forest Dynamics and Wildfire in Dry Mixed-Conifer Forests of the Inland West| Linking Landscape and Social Perspectives." Thesis, Portland State University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10748887.

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Over the past century in the western United States, warming has produced larger and more severe wildfires than previously recorded. General circulation models and their ensembles project continued increases in temperature and the proportion of precipitation falling as rain. Warmer and wetter conditions may change forest successional trajectories by modifying rates of vegetation establishment, competition, growth, reproduction, and mortality. Many questions remain regarding how these changes will occur across landscapes and how disturbances, such as wildfire, may interact with changes to climate and vegetation. Forest management is used to proactively modify forest structure and composition to improve fire resilience. Yet, research is needed to assess how to best utilize mechanical fuel reduction and prescribed fire at the landscape scale. Human communities also exist within these landscapes, and decisions regarding how to manage forests must carefully consider how management will affect such communities.

In this work, I analyzed three aspects of forest management at large spatiotemporal scales: (1) climate effects on forest composition and wildfire activity; (2) efficacy of fuel management strategies toward reducing wildfire spread and severity; and, (3) local resident perspectives on forest management. Using a forest landscape model, simulations of forest dynamics were used to investigate relationships among climate, wildfire, and topography with long-term changes in biomass for a fire-prone dry-conifer landscape in eastern Oregon, United States. I compared the effectiveness of fuel treatment strategies for reducing wildfire under both contemporary and extreme weather. Fuel treatment scenarios included “business as usual” and strategies that increased the area treated with harvest and prescribed fire, and all strategies were compared by distributing them across the landscape and by concentrating them in areas at the greatest risk for high-severity wildfire. To investigate local community preferences for forest management, I used focus groups, interviews, and questionnaires. Through open-ended questions and a public participation geographic information systems (PPGIS) mapping exercise, local residents expressed their views on fuels reduction treatments by commercial and non-commercial harvest and prescribed fire. Emergent themes were used to inform alternative management scenarios to explore the usefulness of using PPGIS to generate modeling inputs. Scenarios ranged from restoration-only treatments to short-rotation commercial harvest.

Under climate change, wildfire was more frequent, more expansive, and more severe, and ponderosa pine expanded its range into existing shrublands and high-elevation zones. There was a near-complete loss of native high-elevation tree species, such as Engelmann spruce and whitebark pine. Loss of these species were most strongly linked to burn frequency; this effect was greatest at high elevations and on steep slopes.

Fuel reduction was effective at reducing wildfire spread and severity compared to unmanaged landscapes. Spatially optimizing mechanical removal of trees in areas at risk for high-severity wildfire was equally effective as distributing tree removal across the landscape. Tripling the annual area of prescribed burns was needed to affect landscape-level wildfire spread and severity, and distributing prescribed burns across the study area was more effective than concentrating fires in high-risk areas.

Focus group participants generally approved of all types of forest management and agreed that all areas should be managed with the “appropriate” type of treatment for each forest stand, and that decisions about management should be made by “experts.” However, there was disagreement related to who the “experts” are and how much public input should be included in the decision making process. Degree of trust in land management agencies contributed to polarized views about who the primary decision makers and what the focus of management should be. While most participants agreed that prescribed fire was a useful tool for preventing wildfire spread and severity, many expressed reservations about its use.

I conclude that forest management can be used to reduce wildfire activity in dry-mixed conifer forests and that spatially optimizing mechanical treatments in high-risk areas can be a useful tool for reducing the cost and ecological impact associated with harvest operations. While reducing the severity and spread of wildfire may slow some long-term species shifts, high sub-alpine tree mortality occurred under all climate and fuel treatment scenarios. Thus, while forest management may prolong the existence of sub-alpine forests, shifts in temperature, precipitation, and wildfire may overtake management within this century. The use of PPGIS was useful for delineating the range of forest management preferences within the local community, for identifying areas of agreement among residents who have otherwise polarized views, and for generating modeling inputs that reflect views that may not be obtained through extant official channels for public participation. Because the local community has concerns about the use of prescribed fire, more education and outreach is needed. This may increase public acceptance of the amounts of prescribed fire needed to modify wildfire trajectories under future climate conditions.

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Rist, Stephen George. "Legacies of forest management and fire in mixed-pine forest ecosystems of the Seney National Wildlife Refuge, eastern Upper Michigan." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1218566132.

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Ranseen, Susanne N. "The Schultz Fire : an interdisciplinary perspective on its history, management, and ecological effects." Thesis, 2013. http://hdl.handle.net/1957/37621.

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This thesis examines the Schultz Fire as a case study to explain the complex history of fire suppression management in America’s forests, and to gain further understanding of how management practices have affected the increase in fire severity levels and how forests respond to such a disturbance. The thesis objectives were: (1) to analyze the causes of the fire severity of the Schultz Fire, especially: topography, fuels, or weather; (2); to examine the possible correlation between fire severity and tree density; (3) to investigate whether post-fire species richness was related to fire severity two years after the Schultz Fire; (4) to investigate whether post-fire plant species richness, plant cover, and tree regeneration was related to fire severity two years after the Schultz Fire; and (5) to interlink and convey how these factors relate to the history of fire management and policy and public perception. The history of fire related policy and management has significantly changed the dynamics of America's national parks and forests. Understanding the larger context of this history, both of national fire management and of the effects of language and perception on policy and public reaction, is part of understanding the Schultz Fire as a whole. Based on modeling, high winds combined with the presence of high surface fuel load were the main causes of the Schultz Fire's high fire severity levels. As fire severity increased there was a statistically significant increase in species richness. Severity level had little variation on percentage of cover by plants. No statistically significant relationship between tree density and fire severity levels was found. These findings underline the need for fuel treatments in southwest Ponderosa Pine forests, and effective cooperation between communities, managers, and ecologists. The Schultz Fire serves as an example in understanding the intricacies of how history affects the present and future of fire management. How fire has been managed and portrayed in the past has left an indelible mark on how fire is presently viewed. Without a clear understanding of the history of fire management and the role of fire in the ecology, future policies towards fire will be unable to account for and manage for the diversity of ecosystems and fires effects on those ecosystems across the United States.
Graduation date: 2013
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Books on the topic "Forests and forestry $x Fire management"

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Boychuk, Dennis. FLAP-X 1.00 user's guide: Fire and landscape patterns, exponential age distribution models. Sault Ste. Marie, Ont: Ontario Ministry of Natural Resources, 1995.

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Environment, Saskatchewan Ministry of. Integrated fire management information system: Feasibility study. Regina?]: Saskatchewan Ministry of Environment, 2009.

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Mimicking nature's fire: Restoring fire-prone forests in the West. Washington, DC: Island Press, 2004.

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America's fires: Management on wildlands and forests. Durham, NC: Forest History Society, 1997.

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MacGregor, Donald G. Integrated research to improve fire management decisionmaking. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2005.

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MacGregor, Donald G. Integrated research to improve fire management decisionmaking. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2005.

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Isokas, Gediminas. Trakų urėdijos miškų istorija (X tūkst. pr. Kr.-2007 m.). Vilnius: Mintis, 2008.

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Moreira, Francisco. Post-fire management and restoration of Southern European forests. Dordrecht: Springer, 2011.

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United States. Forest Service. Fire and Aviation Management. Faces of fire: Prevention, suppression, prescribed fires. Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service, Fire and Aviation Management, 1996.

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Fire ecology of Pacific Northwest forests. Washington, D.C: Island Press, 1993.

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Book chapters on the topic "Forests and forestry $x Fire management"

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Goldammer, Johann Georg. "Fire Management in Tropical Forests." In Tropical Forestry Handbook, 1–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-41554-8_207-2.

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Goldammer, Johann Georg. "Fire Management in Tropical Forests." In Tropical Forestry Handbook, 2659–710. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-642-54601-3_207.

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Górriz-Mifsud, Elena, Aitor Ameztegui, Jose Ramón González, and Antoni Trasobares. "Climate-Smart Forestry Case Study: Spain." In Forest Bioeconomy and Climate Change, 211–28. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99206-4_13.

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AbstractIn Spain, 55% of land area is covered by forests and other woodlands. Broadleaves occupy a predominant position (56%), followed by conifers (37%) and mixed stands (7%). Forest are distributed among the Atlantic (north-western Iberian rim), Mediterranean (rest of the peninsula including the Balearic Islands) and Macaronesian (Canary Islands) climate zones. Spanish woodlands provide a multiplicity of provisioning ecosystem services, such as, wood, cork, pine nuts, mushrooms and truffles. In terms of habitat services, biodiversity is highly relevant. Cultural services are mainly recreational and tourism, the latter being a crucial economic sector in Spain (including rural and ecotourism). Regulatory services, such as erosion control, water availability, flood and wildfire risk reduction, are of such great importance that related forest zoning and consequent legislation were established already in the eighteenth century. Climate change in Southern Europe is forecast to involve an increase in temperature, reduction in precipitation and increase in aridity. As a result, the risks for natural disturbances are expected to increase. Of these, forest fires usually have the greatest impact on ecosystems in Spain. In 2010–2019, the average annual forest surface area affected by fire was 95,065 ha. The combination of extreme climatic conditions (drought, wind) and the large proportion of unmanaged forests presents a big challenge for the future. Erosion is another relevant risk. In the case of fire, mitigation strategies should combine modification of the land use at the landscape level, in order to generate mosaics that will create barriers to the spread of large fires, along with stand-level prevention measures to either slow the spread of surface fires or, more importantly, impede the possibility of fire crowning or disrupt its spread. Similarly, forest management can play a major role in mitigating the impact of drought on a forest. According to the land use, land-use change and forestry (LULUCF) accounting, Spanish forests absorbed 11% of the total greenhouse gas emissions in 2019. Investments in climate-smart forestry provide opportunities for using all the different parts of the Spanish forest-based sector for climate mitigation––forest sinks, the substitution of wood raw materials and products for fossil materials, and the storage of carbon in wood products. Moreover, this approach simultaneously helps to advance the adaptation of the forest to changing climate and to build forest resilience.
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Marcos, Elena, Sara Huerta, Víctor Fernández-García, Iván Prieto, Rayo Pinto, Gemma Ansola, Luis Saénz de Miera, and Leonor Calvo. "Mulching treatments favour the recovery of ecosystem multifunctionality after a large wildfire in Northwest Spain." In Advances in Forest Fire Research 2022, 1234–39. Imprensa da Universidade de Coimbra, 2022. http://dx.doi.org/10.14195/978-989-26-2298-9_187.

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Wildfires are a widespread phenomenon in forests across the Mediterranean Basin but have increased in severity and extent in recent decades. Post-fire treatments are measures that help recover burned vegetation and their functionality but to what extent they also help recover soil functionality is currently unknown. The main objective of this study was to assess the effect of post-fire treatments on ecosystem multifunctionality after a large wildfire in the Cabrera mountain range in 2017 (NW Spain) where close to 10000 Ha of forest were burnt. At the end of 2017 and during 2018, the administration applied different post-fire treatments in high fire severity affected areas: i) straw mulching, ii) woody debris and iii) subsoiling and iv) mechanical hole afforestation. In each treatment, we established ten 2 x 2 m plots and ten adjacent untreated burned plots and collected a composite soil sample from each plot four years after the fire (2021). We calculated regulating services as the standardized mean of total soil organic C (climate regulation), soil water repellence (water regulation) and soil aggregation (soil protection). Supporting services were measured as the standardized mean of mineral N-NH4+ and N-NO3- and available P (soil fertility), β-glucosidase, urease and acid phosphatase (nutrient cycling) and microbial biomass (soil quality). Ecosystem multifunctionality was measured as the standardized mean of all functions measured. Application of straw mulch and woody debris increased regulating ecosystem services in relation to burned control plots. Afforestation with holes had not impact but subsoiling decreased regulating ecosystem services in relation to burned control plots. Post-fire treatments did not have any effect on supporting services. Straw mulch, Woody debris and afforestation with holes improved ecosystem multifunctionality when compared with subsoiling methods. These results show that post-fire stabilisation treatments, in particular straw mulching have a significant positive impact on regulating services and are effective measures in restoring the ecosystem multifunctionality, helping develop effective management based-decisions for the recovery of ecosystem services and functioning after large wildfires.
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Charbonneau, Paul. "Forest Fires." In Natural Complexity. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691176840.003.0006.

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This chapter explores how a “natural” process generates dynamically something that is conceptually similar to a percolation cluster by using the case of forest fires. It first provides an overview of the forest-fire model, which is essentially a probabilistic cellular automata, before discussing its numerical implementation using the Python code. It then describes a representative simulation showing the triggering, growth, and decay of a large fire in a representative forest-fire model simulation on a small 100 x 100 lattice. It also considers the behavior of the forest-fire model as well as its self-organized criticality and concludes with an analysis of the advantages and limitations of wildfire management. The chapter includes exercises and further computational explorations, along with a suggested list of materials for further reading.
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Chehreh, Babak, Carlos Viegas, and Alexandra Moutinho. "Tree geometrical attributes measurement using UAV-born laser scanning." In Advances in Forest Fire Research 2022, 1360–68. Imprensa da Universidade de Coimbra, 2022. http://dx.doi.org/10.14195/978-989-26-2298-9_206.

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Abstract:
Forestry is the science and craft of creating, managing, using, conserving and repairing forests, woodlands, and associated resources for human and environmental benefits. Forest management as one of the categories of forestry, is essential to exploit forest’s full economic and environmental value while ensuring the safety and resilience of the territory against natural or anthropogenic threats such as wildfires. UAV-based remote sensing is a powerful tool for forestry related tasks and measurements. Various studies and experiments have been conducted by different teams all around the world; proving the effectiveness and efficiency of this remote sensing platform and the machine learning techniques used for the analysis of the acquired data. In this study a multirotor UAV equipped with a LiDAR sensor payload is used to produce high density point cloud of a forested area in northern Portugal. The acquired data is then used to produce point cloud-driven digital models for various forestry tasks including individual tree detection, calculation of diameter at breast height, total height and tree crown diameter. The calculated results are then validated by comparing them to the field data. The proposed methodology has potential applications for the detailed mapping of forest and wildland urban interface environments using autonomous, time and cost-effective means, towards proper forest land management for profitability and wildfire risk assessment.
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7

Lorbiecki, Marybeth. "A Wild Proposal: 1919– 1924." In A Fierce Green Fire. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780199965038.003.0013.

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On August 1, 1919, Aldo was appointed to the second-highest position in District 3—Assistant Forester in Charge of Operations. Numerous foresters grumbled that Leopold didn’t deserve the job and was hardly suited to its enormous responsibilities. He hadn’t proven he was versed enough in all aspects of forestry management to handle the overarching tasks of inspecting every forest, reporting on what he found, and suggesting improvements. Leopold had a rigorous schedule to follow—three forests per summer, with a month at each. Since the Forest Service had no set inspection method, Leopold had to develop his own. His first reports were sketchy. He wrote more comments on rangers’ initiative and reading habits than on the details of their work or the conditions of their fire stations. During a late-summer tour of his old stomping ground, the Carson, Leopold roved further south into the Datil Forest. He fished away a Sunday at the headwaters of the Gila River and came away relaxed and refreshed. No telephone poles or roads cut across the landscape; there were just the pines; the trout; the tingle of fresh, pungent air; and a breeze alive with bird calls. Few areas like this remained in District 3. Was there, he wondered, a legal way to preserve the canyonlands around the Gila just as they were? That December, at a meeting of district foresters in Salt Lake City, Leopold heard about a young forest assistant named Arthur Carhart from District 2 in Colorado. Carhart, the Forest Service’s first landscape architect, had been dubbed the “Beauty Engineer” by his coworkers. Carhart had recommended that Trappers Lake, in the White River National Forest, be permanently preserved in a wilderness state—no so-called improvements. On his return trip, Leopold stopped by the D-2 offices to meet the man. Up to this point, attempts to set aside natural areas in the national forests led only to national parks or “primitive areas” that were open to later development. Leopold did not trust the park system to preserve any wilderness area intact.
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