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Dissertations / Theses on the topic 'Plants, Effect of fire on'

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Published: 4 June 2021

Last updated: 5 February 2022

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1

McKenzie, Donald. "Modeling large-scale fire effects : concepts and applications /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/5602.

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2

William), Van Wilgen B. W. (Brian. "The conservation of southern African terrestrial ecosystems, with special reference to the role of fire and the control of invasive alien plants." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/48061.

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3

Stanton, Rebekah L. "Fire and Rodent Consumer Effects on Plant Community Assembly and Invasion in North American Deserts." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/9172.

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This dissertation explores the differential effects of fires and rodent communities on native and invasive desert plant communities. Chapter one examines the impacts of fire and repeat fires on fuel loads in two different Utah desert sites, one in the cool Great Basin Desert and one in the hyper-arid Mojave Desert, over the course of four years. We found that both desert sites responded with varying intensities to a single burn, but the effects of a reburn were not as pronounced. We also found that our Great Basin Desert site had a stronger response to fire than our Mojave Desert site, produci

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4

Baker, Katherine S. "Seed germination and dormancy in south-western Australian fire ephemerals and burial as a factor influencing seed responsiveness to smoke." University of Western Australia. School of Plant Biology, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0091.

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[Truncated abstract] Fire ephemerals are pioneer species that germinate in large numbers after fire and generally live for between six months and four years. Seeds produced during the short life span of these plants persist in the soil seedbank until a subsequent fire. This study examined the dormancy characteristics and germination requirements of ten Australian fire ephemeral species from five families. Seeds of four species germinated at one or more incubation temperatures in the laboratory, indicating that a proportion of their seedlots were non-dormant at the time of testing. Austrostipa

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5

Kraaij, Tineke. "Effects of rain, nitrogen, fire and grazing on bush encroachment in semi-arid savanna, South Africa." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52817.

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Thesis (MScFor)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT: Increases in woody plant density ('bush encroachment') reduce livestock production and biodiversity. By convention, soil moisture, soil nutrients, fire and herbivory are regarded as the principal factors governing the tree-grass ratio of savannas. An experiment with a completely-crossed design was employed to investigate woody seedling (Acacia me/lifera) recruitment near Kimberley, Northern Cape, South Africa, after fire and under conditions of maximum-recorded rainfall, nitrogen addition and grazing. The field experiment

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6

Fatoki, Oluwakemi Busayo. "Monitoring the re-growth rate of alien vegetation after fire on Agulhas Plain, South Africa." Thesis, Link to the online version, 2007. http://hdl.handle.net/10019/1639.

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7

Walsh, Megan Kathleen 1976. "Natural and Anthropogenic Influences on the Holocene Fire and Vegetation History of the Willamette Valley, Northwest Oregon and Southwest Washington." Thesis, University of Oregon, 2008. http://hdl.handle.net/1794/9488.

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xvii, 382 p. : ill. (some col.), maps. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>The debate concerning the role of natural versus anthropogenic burning in shaping the prehistoric vegetation patterns of the Willamette Valley of Oregon and Washington remains highly contentious. To address this, pollen and high-resolution charcoal records obtained from lake sediments were analyzed to reconstruct the Holocene fire and vegetation history, in order to assess the relative influence of climate variability and ant

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8

Stein, Chad M. "Post-fire vegetation in Sierran forests effects on nitrogen fixation, soil nitrogen availability, and water quality /." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1438931.

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9

Kirchner, Brianna N. Wilkins Kenneth T. "Indirect effects of fire on the small mammal community of a tallgrass blackland prairie remnant in Texas." Waco, Tex. : Baylor University, 2009. http://hdl.handle.net/2104/5304.

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10

Bale, Adam M. Guyette Richard P. "Fire effects and litter accumulation dynamics in a montane longleaf pine ecosystem." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6553.

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The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed on October 16, 2009). Thesis advisor: Dr. Richard P. Guyette. Includes bibliographical references.

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11

Rice, Kevin Barry Eubanks Micky. "Mutualisms, commensalisms, and predation the direct and indirect effects of fire ants on arthropods and plants /." Auburn, Ala., 2007. http://hdl.handle.net/10415/1392.

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12

Martin, Tarryn. "Photosynthetic and evolutionary determinants of the response of selected C3 and C4 (NADP-ME) grasses to fire." Thesis, Rhodes University, 2009. http://hdl.handle.net/10962/d1003780.

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Species possess characteristics that are considered adapted to burning and these allow them to outcompete species and dominate in fire prone environments. It has therefore been proposed that fire might have played a critical role in the observed expansion of the grasslands, during the late Miocene. The aim of this study was (i) to investigate whether plant response to fire was a result of physiology or (ii) whether it was due to phylogenetic history. This was achieved by doing a pair-wise comparison between Panicoideae (and Panicoideae) and non-Panicoideae (Danthonioideae and Aristidoideae) sp

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13

Tolsma, Arn Douwe. "The Effects of fire and grazing on the energy reserves of resprouting plants in Victoria's alpine grasslands /." Connect to thesis, 2002. http://eprints.unimelb.edu.au/archive/00000331.

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14

Bowman, Tiffanny R. "The Cascading Effects of Invasive Grasses in North American Deserts: The Interactions of Fire, Plants, and Small Mammals." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5646.

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The landscapes of the Great Basin and Mojave Deserts are changing due to plant invasion. Highly flammable invasive grasses increase the size and frequency of fire causing a cascade of effects through the plant and animal communities. One of the most influential animal groups in desert systems is small mammals. We sought to learn how small mammals are impacted by fire and how their influence on the plant community differs between burned and unburned habitat. Small mammals did not have higher rates of mortality as a direct result of a controlled burn. In the Great Basin, there were short-term re

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15

Zimmerman, Michael Lee. "The Effects of Prescribed Fire on the Herbaceous Layer in the Southern Appalachian Mountains." Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etd/2209.

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Prescribed fire in the southern Appalachians is a frequently used and controversial forest management practice. Research is limited on the effects of prescribed fire in the mesic southern Appalachians, where many of Tennessee's rare and regionally endemic plant species occur. This study examined the effects of prescribed fire on the herbaceous layer. Field work was conducted on six previously burned sites within the Cherokee National Forest in northeast Tennessee. Complimentary non-burned sites were selected based on similarity of physical characteristics and forest structure. The numbers of h

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Sebesta, Nicole. "The Effects of Fire on Spore Viability of Lygodium microphyllum (Old World Climbing Fern)." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/2203.

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Lygodium microphyllum, native to the Old World tropics, has invaded central and southern Florida, destroying native habitats, reducing biodiversity and altering fire regimes. Prescribed fire, one of several methods used to manage L. microphyllum infestations, reduces fern biomass over large areas, but its effects on spore viability are unknown. To provide tools to evaluate whether fire-dispersed spores are viable, this research determined how heat affects spore viability. Spores were exposed to temperatures of 50°C to 300°C for durations of 5 seconds to 1 hour, then allowed to germinate on aga

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17

Mungan, Arda Meral. "Risk Assessment For A Denim Manufacturing Plant In Turkey." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609700/index.pdf.

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A risk assessment study is conducted in a denim manufacturing plant in Turkey. The study is carried out within the framework of a project on adopting the Integrated Pollution Prevention and Control (IPPC) Directive of the European Union. The scope of the assessment is fire or explosion risk with regards to hazardous chemicals present in the plant. The receptor of the study is defined as &ldquo<br>people&rdquo<br>which include the employees in the plant, employees of nearby plants and people in residential around the mill. A semi-quantitative risk assessment is carried out using checklist, a ri

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18

Price, David Thomas. "Some effects of variation in weather and soil water storage on canopy evapotranspiration and net photosynthesis of a young douglas-fir stand." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/27511.

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Measurements of the energy balances and net photosynthesis rates of two low productivity coniferous forest canopies (12 and 22 years old), were made successfully during both wet and dry growing seasons, using a modified Bowen Ratio method. Canopy conductances (gc) were calculated from canopy evaporation rates (E) using the Penman-Monteith equation. A model was developed to predict canopy growth and evaporation rates from basic soil and weather data, and compared with the measured data. The photosynthesis model was physiologically based, derived from recent work of Farquhar and coworkers. The c

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19

Cilliers, Charl Daniel. "Post-fire effects of invasive exotic plants on seed banks, regeneration, soil chemistry and selected soil microbial populations in the Silvermine Nature Reserve, Cape Peninsula, South Africa." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/53006.

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Thesis (MSc) -- University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: The fires, which occurred during January 2000 on the Southern Cape Peninsula, Cape Province, South Africa, focused attention on the importance of sound, informed management of exotic plant invaders in fynbos, especially at the urban interface. The fires also highlighted the relative lack of knowledge about the combined impacts of fire, exotic plants and the exotic-clearing programme on soil seed banks and regeneration. This study examines soil borne seed banks, regeneration, soil chemistry and micro biota in different

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20

Spinelli, Francesco <1974&gt. "Changes in plant metabolism induced by dioxygenase inhibitors and their effect on the epiphytic microbial community and fire blight (Erwinia amylovora) control." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2003. http://amsdottorato.unibo.it/3215/.

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Fire blight, caused by the gram negative bacterium Erwinia amylovora, is one of the most destructive bacterial diseases of Pomaceous plants. Therefore, the development of reliable methods to control this disease is desperately needed. This research investigated the possibility to interfere, by altering plant metabolism, on the interactions occurring between Erwinia amylovora, the host plant and the epiphytic microbial community in order to obtain a more effective control of fire blight. Prohexadione-calcium and trinexapac-ethyl, two dioxygenase inhibitors, were chosen as a chemical tool to i

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21

Mabuza, Thembisile Veronicah. "Evaluating long term effects of fire frequency on soil seed bank composition and species diversity in a semi-arid , South African savanna." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/346.

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Fire is generally used as a management tool for different vegetation types such as savannas and grasslands in southern Africa. In the False Thornveld of the Eastern Cape, fire is commonly used to control bush encroachment and to increase grass production, as grasses are important source of forage for domestic livestock. At the University of Fort Hare farm in the Eastern Cape, a trial was set up in 1980 to investigate the effect of burning frequency on vegetation. There are six treatments replicated twice in a completely randomized design on a 100 m x 50 m plots. The treatments comprise no burn

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22

Wills, Timothy Jarrod 1974. "Succession in sand heathland at Loch Sport, Victoria : changes in vegetation, soil seed banks and species traits." Monash University, Dept. of Biological Sciences, 2002. http://arrow.monash.edu.au/hdl/1959.1/7742.

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23

Fourie, Saskia. "The restoration of an alien-invaded riparian zone in grassy fynbos, South Africa." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1003840.

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The most recent surveys in South Africa estimate that invasions are still increasing, despite substantial clearing efforts. Riparian systems in South Africa are particularly vulnerable to invasion by woody IAPs. This thesis addresses the restoration of alien‐invaded riparian systems, by investigating the factors that facilitate or constrain spontaneous recovery and influence the trajectories of succession. These factors include invasion history and management history, especially the use of fire. A seedling emergence approach was used to test the presence of a viable pre‐fire seedbank, and the

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24

Matheron, Michael E., and Martin Porchas. "Comparative Effect of Five Fungicides on the Development of Root and Stem Rot and Survival of Chile Pepper Plants Grown in Field Soil Naturally Infested with Phytophthora capsici." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/220000.

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Five different fungicides, including azoxystrobin, dimethomorph, fluazinam, fosetyl-Al, and mefenozem (metalaxyl), were evaluated for their ability to inhibit the development of root and crown rot and increase the survival of chile pepper plants grown in soil naturally infested with Phytophthora capsici. For chile pepper plants grown in field soil naturally infested with P. capsici and subjected to a 48 h flood period every 2 weeks, growth and survival of plants receiving one treatment of dimethomorph at 100 μg/ml or fluazinam at 1,000 μg/ml were significantly greater than that for plants trea

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25

Yue, Chao. "Fire simulation in the ORCHIDEE biosphere model : implications for global carbon fluxes." Versailles-St Quentin en Yvelines, 2014. http://www.theses.fr/2014VERS0016.

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Les feux naturels ainsi que ceux liés aux activités anthropiques libèrent, dans l’atmosphère, des gaz à effet de serre (CO2 , CH4, N2O), des gaz réactifs (CO , NOx) et des aérosols, et contribuent au changement climatique. Les feux de forêts sont à l’origine d’un puits de carbone sur le long terme, notamment pendant la repousse de la végétation. Il est donc important d’intégrer les processus liés aux feux dans les modèles Système Terre, pour être en mesure de quantifier la contribution des feux sur le bilan de carbone de la biosphère terrestre, et également prévoir les rétroactions futures ent

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26

Strong, Dustin. "Fire and Nitrogen Effects on a Purple Threeawn-Dominated Plant Community in the Northern Great Plains." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26639.

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Purple threeawn (Aristida purpurea Nutt. varieties) is a native grass capable of rapidly increasing on rangelands, forming near monocultures, creating a stable state. Rangelands throughout the Great Plains and Intermountain West have experienced increases in purple threeawn abundance, leading to reductions in overall forage quality and community diversity. Our objectives were to: 1) examine prescribed fire and nitrogen as tools to shift species composition in a purple threeawn invaded community, 2) reveal vegetation management strategies appropriate for reducing purple threeawn abundance 3) qu

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27

Wills, Cameron. "Effects of repeated fire on the savanna / forest boundary." Bachelor's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/26506.

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Savanna and forest/thicket can exist as alternate stable states, among others, determined by fire ecology feedbacks. Bush encroachment has become an ever-increasing trend converting grassland and savanna biomes to forest/thicket. A severe firestorm occurred in the Hluhluwe-Umfolozi Game Reserve in north-eastern South Africa in September 2008. The fire penetrated closed thicket areas and opened up the landscape. The main aim of this study was to investigate whether repeated fire, following such an extreme fire event, could trigger a biome or regime shift; in this case from forest/thicket to sav

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28

Maghran, Lauren A. "Recovery and Changes in Plant Communities from Two Large Fires in the Santa Catalina Mountains, Arizona, USA." Thesis, The University of Arizona, 2014. http://hdl.handle.net/10150/337365.

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In mountains throughout western North America, large, mixed-severity fires produce a mosaic of low and high tree mortality. Following wildfire, plant communities may recover to their pre-fire state, or may remain altered in composition and structure. In this study I quantified the extent to which fire severity influenced post-fire vegetation composition and structure in comparison to pre-fire states in the Santa Catalina Mountains, Arizona, USA. I used a stratified random design that sampled plots across ecological units and fire severity classes. Tree diameter at breast height (DBH), shrub co

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29

Cincotta, Salvatore. "Resilience-based optimal fire fighting in process plants." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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In the recent years, fire domino effects have been involved in some extremely severe accidents in the chemical and process industries. In the need of a better understanding of the prevention of fire escalation scenarios, the present study focuses on emergency firefighting which compared to passive and active fire protection measures has received less attention. In the present study, a resilience-based firefighting methodology has been introduced to increase the absorptive capacity of process plants in withstanding the expanding disruptions of fire escalation scenarios. The proposed resilience

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30

O'Connor, Rory Charles. "Small Mammals Matter? Linking Plant Invasion, Biotic Resistance, and Climate Change in Post-Fire Plant Communities." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5756.

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The introduction and establishment of exotic species can profoundly alter ecosystems. Two exotic species drastically changing the landscape of deserts in western North America are Bromus tectorum L. and Bromus rubens L. Through the buildup of biomass and slow decomposition rates in deserts these two exotic annual grasses can alter fire regimes that change the plant and animal community dynamics in the ecosystems. To better understand the ecological mechanisms that could restrict or alter the patterns of invasive plant establishment we established a replicated full factorial experiment in the G

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31

Pinheiro, Alexandra Queirós. "The effects of fire on soil plant dynamics in forests, a review." Master's thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/3781.

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Mestrado em Ecologia, Biodiversidade e Gestão de Ecossistemas<br>Este trabalho é uma revisão bibliográfica sobre os efeitos do fogo na dinâmica solo-planta nas florestas. A perda de área florestal leva ao empobrecimento da biodiversidade, da componente biótica do solo e a alterações no funcionamento do ecossistema. Após os incêndios, a perda de nutrientes do solo por escorrência superficial e a consequente erosão dos solos influencia a camada de repelência, a estabilidade dos agregados, o conteúdo de matéria orgânica do solo, a infiltração e a cobertura de manta morta. É importante con

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Randaxhe, Jérôme Michel Simon. "Development of a probabilistic fire demand model and a fire protection for performance-based fire design of petrochemical plants." Doctoral thesis, Università degli studi di Trento, 2020. http://hdl.handle.net/11572/277120.

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Structures and fire have always been a deep concern for humans. That is even truer for structures dedicated to host a large number of people as high-rise buildings or to deal with hazardous materials as industrial components. Past events have shown how fire can cause severe damages in such structures and trigger devastating consequences in terms of fatalities and losses. To control and prevent fire events, scientists have been providing practitioners with mathematical tools facilitating the study of fire behaviour. These tools have been used to develop fire models, design guidelines and more p

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33

Yurkonis, Kathryn Anne. "Effects of fine-scale plant arrangement on grassland establishment." [Ames, Iowa : Iowa State University], 2010. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3403094.

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34

Maholland, Peter D. "Effects of Prescribed Fire on Upland Plant Biodiversity and Abundance in Northeast Florida." UNF Digital Commons, 2015. http://digitalcommons.unf.edu/etd/562.

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Terrestrial ecosystems in the southeastern United States have evolved with fire as a common disturbance and as a result many natural communities require the presence of fire to persist over time. Human development precludes natural fires from occurring within these communities; however, prescribed fire is considered to be a critical tool in the effort to restore fire-dependent ecosystems after decades of fire exclusion. Direct effects of fire on individual floral and faunal species as well as benefits to biodiversity at the landscape (gamma diversity) level have largely been supported in previ

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35

Moreira, Bruno Ricardo Jesus. "Fire persistence mechanisms in Mediterranean plants: ecological and evolutionary consequences." Doctoral thesis, Universidad de Alicante, 2012. http://hdl.handle.net/10045/27518.

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36

Horn, Kevin J. "Factors Underlying Invasive Grass Fire Regimes in the Mojave Desert and its Consequences on Plant and Animal Communities." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/4172.

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Climate change and exotic plant invasions are significant anthropogenic threats to desert community structure and resilience . In the Mojave Desert, the invasive grass red brome (Bromusrubens L) is increasing fire frequency and extent in response to climatic factors. The resilience of this ecosystem will be affected by how plant and animal communities respond to fire. To better understand these dynamics, we studied the environmental factors underlying changes in invasive grass fire regimes in the Mojave Desert and its structural and functional effects on plant and animal communities. Following

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37

Lange, Ian. "Investigating the effects of the 1990 Clean Air Act Amendments on inputs to coal-fired power plants /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/7421.

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Ainsworth, Alison. "Interactive influences of wildfire and nonnative species on plant community succession in Hawaii Volcanoes National Park /." Connect to this title online, 2007. http://hdl.handle.net/1957/4504.

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Valbuena, Genebelin R. "Probabilistic models to estimate fire-induced cable damage at nuclear power plants." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6727.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Reliability Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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McKessey, Anika Nkechi Spotila James R. "Effects of fire management on pine plains vegetation at Warren Grove Air National Guard Range, New Jersey /." Philadelphia, Pa. : Drexel University, 2006. http://dspace.library.drexel.edu/handle/1860%20/893.

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Steers, Robert Jeremy. "Invasive plants, fire succession, and restoration of Creosote bush scrub in Southern California." Diss., [Riverside, Calif.] : University of California, Riverside, 2008. http://proquest.umi.com/pqdweb?index=0&did=1663078461&SrchMode=2&sid=1&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1265220063&clientId=48051.

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Thesis (Ph. D.)--University of California, Riverside, 2008.<br>Includes abstract. Title from first page of PDF file (viewed Febrary 3, 2010). Available via ProQuest Digital Dissertations. Includes bibliographical references. Also issued in print.

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Demir, Hasan Ülkü Semra. "Synergistic effect of natural zeolites on flame retardant additives/." [s.l.]: [s.n.], 2004. http://library.iyte.edu.tr/tezler/master/kimyamuh/T000514.rar.

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Osman, Mohammed A. "Effect of water stress on the physiology, growth, and morphology of three pearl millet genotypes." Diss., The University of Arizona, 1988. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1988_11_sip1_w.pdf&type=application/pdf.

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Kayili, Serkan. "Effect Of Vehicles&#039." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611290/index.pdf.

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Road and railways tunnels are constructed for decreasing the transportation time inside city or intercity. The fire safety systems are mounted for the safe use of tunnels. Therefore, it is important to accurately predict the fire-induced air velocity,temperature and smoke concentrations in tunnel fires in order to design efficient fire protection systems. To this end, scaled tunnel models are used and experiments are carried to understand the phenomena on these tunnel models. In addition, the studies for investigating the tunnel fire phenomena and their methods of modeling techniques for fire

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Lecomte, Xavier Jean François. "Effects of grazing exclusion and shrub encroachment on the ecosystem ecology of evergreen oak woodland." Doctoral thesis, ISA, 2018. http://hdl.handle.net/10400.5/15334.

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Doutoramento em Engenharia Florestal e dos Recursos Naturais - Instituto Superior de Agronomia<br>Shrub encroachment, an increase in density and cover of shrub plant communities, is affecting biodiversity and functioning of ecosystems around the world. Through feeding and trampling ungulates affect the structure and species composition of plant communities, including shrublands, and are key drivers in shrub encroachment processes. This thesis, conducted within a long-term browsing exclosure experiment, investigates the effects of ungulates (red deer Cervus elaphus and fallow deer Dama dama) on

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46

Reed, Heather Elizabeth. "Effects of fire and plant invasion on aspects of aboveground and belowground interactions in an eastern tallgrass prairie." Diss., Connect to online resource, 2005. http://wwwlib.umi.com/dissertations/fullcit/3165807.

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Lobingier, Patricia Graybeal. "Compensation Choice - The Effect on Firm Performance: An Interindustry Look at Performance Plans and Restricted Stock." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30589.

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Public criticism of executive pay has increased significantly in recent years. Shareholders express concern that the level of pay to many executives does not match the level of increase in shareholder wealth. The government has even gotten involved in the issue by changing tax laws related to compensation and taking an interest in how compensation is recorded in financial statements. This study investigates the relationship between adoption of compensation components and improved firm performance. Specifically, performance and restricted stock plan adoptions are analyzed for nine industries. V

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Lee, Stephanie L. "Post-fire successional effects on breeding grassland birds in mesquite savanna habitats of the Texas rolling plains." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4672.

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North American grasslands and grassland birds have declined drastically due to habitat degradation by fire suppression (i.e., woody encroachment), fragmentation, and conversion to croplands. A better understanding is needed of the relationships among disturbance regimes (e.g., fire), resultant vegetation changes, and grassland bird communities to effectively manage remaining grasslands and grassland birds. I assessed the relationship between post-fire succession, and mean relative abundance and nesting ecology of breeding grassland birds (i.e., nest-site selection and nest success) in mesquite

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49

Nguyen, Duy Cuong. "Caractérisation de l'interface fibre/matrice : application aux composites polypropylène/chanvre." Thesis, Troyes, 2016. http://www.theses.fr/2016TROY0009/document.

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Les agro-composites font l'objet de nombreuses études et applications industrielles en raison des multiples propriétés mécaniques qu'ils présentent. Ces propriétés présentent de grandes perspectives comparées à celles des composites traditionnels. Cependant les connaissances sur le comportement mécanique de l'interface fibre/matrice restent limitées. De plus, la différence de propriété entre la fibre hydrophile et la matrice hydrophobe peut causer des défauts au niveau de l’interface. Il est donc important de caractériser finement la décohésion à l'interface au cours d'une sollicitation. Plusi

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50

Yii, H. W. (Jennifer). "Effect of Surface Area and Thickness on Fire Loads." University of Canterbury. Civil Engineering, 2000. http://hdl.handle.net/10092/8304.

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The report reviews the effect of surface area and thickness of fire loads in predicting the value of the heat release rate. The investigation arises from current Ph. D research at the University of Canterbury identifying the need for fire load data, which also includes the exposed surface area of the fuel items, so that the rate and duration of burning can be better assessed, especially during post-flashover fires. This is because at some stage of the fire, the fuel is no longer dependent on the ventilation characteristics but the surface area exposed to the fire. The investigation of the eff

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