Дисертації з теми "Forest fires Australia, Southern"
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Candy, Katherine. "Mapping fire affected areas in northern Western Australia - towards an automatic approach." Thesis, Candy, Katherine (2004) Mapping fire affected areas in northern Western Australia - towards an automatic approach. Masters by Research thesis, Murdoch University, 2004. https://researchrepository.murdoch.edu.au/id/eprint/500/.
Повний текст джерелаCandy, Katherine. "Mapping fire affected areas in northern Western Australia - towards an automatic approach." Candy, Katherine (2004) Mapping fire affected areas in northern Western Australia - towards an automatic approach. Masters by Research thesis, Murdoch University, 2004. http://researchrepository.murdoch.edu.au/500/.
Повний текст джерелаFinlay, Christine School of Sociology & Anthropology UNSW. "Smokescreen : black/white/male/female bravery and southeast Australian bushfires." Awarded by:University of New South Wales. School of Sociology and Anthropology, 2005. http://handle.unsw.edu.au/1959.4/23006.
Повний текст джерелаShrestha, Hari Ram. "Post-fire recovery of carbon and nitrogen in sub-alpine soils of South-eastern Australia /." Connect to thesis, 2009. http://repository.unimelb.edu.au/10187/6963.
Повний текст джерелаThis study investigated post-fire recovery of soil C and N in four structurally different sub-alpine plant communities (grassland, heathland, Snowgum and Alpine ash) of south-eastern Australia which were extensively burnt by landscape-scale fires in 2003. The amount and isotopic concentration of C and N in soils to a depth of 20 cm from Alpine ash forest were assessed five years after fire in 2008 and results were integrated with measurements taken immediately prior to burning (2002) and annually afterwards.
Because the historical data set, comprised of three soil samplings over the years 2002 to 2005, consisted of soil total C and N values which were determined as an adjunct to 13C and 15N isotopic studies, it was necessary to establish the accuracy of these IRMS-derived measurements prior to further analysis of the dataset. Two well-established and robust methods for determining soil C (total C by LECO and oxidizable C by the Walkley-Black method) were compared with the IRMS total C measurement in a one-off sampling to establish equivalence prior to assembling a time-course change in soil C from immediately pre-fire to five years post-fire. The LECO and IRMS dry combustion measurements were essentially the same (r2 >0.99), while soil oxidizable C recovery by the Walkley-Black method (wet digestion) was 68% compared to the LECO/IRMS measurements of total C. Thus the total C measurement derived from the much smaller sample size (approximately 15 mg) combusted during IRMS are equivalent to LECO measurement which require about 150 mg of sample.
Both total C and N in the soil of Alpine ash forests were significantly higher than soils from Snowgum, heathland and grassland communities. The ratio of soil NH4+ to NO3- concentration was greater for Alpine ash forest and Snow gum woodland but both N-fractions were similar for heathland and grassland soils. The abundance of soil 15N and 13C was significantly depleted in Alpine ash but both isotopes were enriched in the heathland compared to the other ecosystems. Abundance of both 15N and 13C increased with soil depth.
The natural abundance of 15N and 13C in the foliage of a subset of non-N2 fixing and N2 fixing plants was measured as a guide to estimate BNF inputs. Foliage N concentration was significantly greater in N2 fixers than non-N2 fixers while C content and 13C abundance were similar in both functional groups. Abundance of 15N was depleted in the N2 fixing species but was not significantly different from the non-N2 fixers to confidently calculate BNF inputs based on the 15N abundance in the leaves.
The total C pool in soil (to 20 cm depth) had not yet returned to the pre-fire levels in 2008 and it was estimated that such levels of C would be reached in another 6-7 years (about 12 years after the fire). The C and N of soil organic matter were significantly enriched in 15N and 13C isotopes after fire and had not returned to the pre-fire levels five years after the fire. It is concluded that the soil organic N pool can recover faster than the total C pool after the fire in the Alpine ash forests.
Petersen, Sheryl M. "Vegetation dynamics and the efficacy of prescribed fires in restoring oak-dominated ecosystems in southern Ohio." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1318087928.
Повний текст джерелаMueller, Joshua Robert. "The relative controls on forest fires and fuel source fluctuations in the Holocene deciduous forests of southern Wisconsin, USA." Thesis, Kansas State University, 2013. http://hdl.handle.net/2097/15679.
Повний текст джерелаDepartment of Geography
Kendra K. McLauchlan
Reconstructing fire regimes and fuel characteristics is an important aspect of understanding past forest ecosystem processes. Fuel sources and disturbance regimes throughout the upper Midwestern United States have been shown to be sensitive to regional climatic variability such as drought periods on millennial timescales. Yet, records documenting the complex connections between disturbance activity and the corresponding fuel source fluctuations in mesic deciduous forests and oak savanna forests in this region are limited. Thus, it has been difficult to provide a framework to evaluate drought conditions on fire activity and the relationships with fuel source fluctuations in this region. Here, I conducted high-resolution charcoal analyses of lake sediments from four sites in southeastern-southcentral Wisconsin (USA) to characterize fire activity and fuel source fluctuation in mesic deciduous forests and prairie-oak savanna over the last 10,000 years. I found that fire regimes across the four study sites have been asynchronous throughout the Holocene, due to site-specific differences that have strongly influenced local fire regimes. I also found that during periods of high fire activity the primary fuels were from arboreal sources, and during periods of low fire activity the primary fuels were from non-arboreal sources. However, fluctuations in fuel sources did not always correspond to changes in vegetation, or changes in fire frequency.
Goforth, Brett Russell. "Effects of extreme drought and megafires on sky island conifer forests of the Peninsular Ranges, southern California." Diss., [Riverside, Calif.] : University of California, Riverside, 2009. http://proquest.umi.com/pqdweb?index=0&did=1957308691&SrchMode=2&sid=1&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1268852651&clientId=48051.
Повний текст джерелаIncludes abstract. Available via ProQuest Digital Dissertations. Title from first page of PDF file (viewed March 16, 2010). Includes bibliographical references. Also issued in print.
Growns, Ivor Owen. "Macroinvertebrate community structure in the streams of the southern forest of Western Australia: The influence of seasonality longitudinal gradients." Thesis, Growns, Ivor Owen (1992) Macroinvertebrate community structure in the streams of the southern forest of Western Australia: The influence of seasonality longitudinal gradients. PhD thesis, Murdoch University, 1992. https://researchrepository.murdoch.edu.au/id/eprint/51983/.
Повний текст джерелаDe, Vos Johanna B. M. "Respiratory health effects of occupational exposure to bushfire smoke in Western Australia." University of Western Australia. School of Population Health, 2008. http://theses.library.uwa.edu.au/adt-WU2009.0001.
Повний текст джерелаPearce, Debra Marie. "A case study of the wildflower industry, its participants and their perspectives on rural development and change in the South West and Great Southern Regions of Western Australia." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/404.
Повний текст джерелаGellie, Nicholas. "Landscape susceptibility to large fires." Master's thesis, 2009. http://hdl.handle.net/1885/146540.
Повний текст джерелаMondal, Nandita. "Fire Ecology of a Seasonally Dry Tropical Forest in Southern India." Thesis, 2014. http://etd.iisc.ernet.in/handle/2005/2732.
Повний текст джерелаBeck, Judith A. "Decision support for Australian fire management." Master's thesis, 1988. http://hdl.handle.net/1885/155786.
Повний текст джерелаHuang, Chenjie. "Synoptic-scale and mesoscale environments conducive to forest fires during the October 2003 extreme fire event in southern California." 2007. http://www.lib.ncsu.edu/theses/available/etd-03202007-163233/unrestricted/etd.pdf.
Повний текст джерелаKeith, Heather. "Effects of fire and fertilization on nitrogen cycling and tree growth in a subalpine eucalypt forest." Phd thesis, 1991. http://hdl.handle.net/1885/142474.
Повний текст джерелаLeavesley, Adam. "The response of birds to the fire regimes of mulga woodlands in central Australia." Phd thesis, 2008. http://hdl.handle.net/1885/151592.
Повний текст джерелаMcFarlane, Alexander Cowell. "The psychiatric sequelae of a natural disaster : the 1983 Ash Wednesday bushfires / Alexander Cowell McFarlane." 1990. http://hdl.handle.net/2440/38364.
Повний текст джерелаIncludes bibliographies
3 v. ;
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Thesis (M.D.)--Dept. of Psychiatry, University of Adelaide, 1990
Citraningtyas, Theresia. ""Riding the waves" : dealing with disasters :a study of lived experiences of the 2003 Canberra bushfire and the 2004 tsunami in Aceh." Phd thesis, 2011. http://hdl.handle.net/1885/151405.
Повний текст джерелаBoan, Jonathan Alexander. "Radio propagation in fire environments." 2009. http://hdl.handle.net/2440/58684.
Повний текст джерелаhttp://proxy.library.adelaide.edu.au/login?url= http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1457560
Thesis (Ph.D.) -- University of Adelaide, School of Electrical and Electronic Engineering, 2009
Boan, Jonathan Alexander. "Radio propagation in fire environments." Thesis, 2009. http://hdl.handle.net/2440/58684.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Electrical and Electronic Engineering, 2009
Ryan, Michael Francis. "Does early colonial art provide an accurate guide to the nature and structure of the pre-European forests and woodlands of South-Eastern Australia? : a study focusing on Victoria and Tasmania." Master's thesis, 2009. http://hdl.handle.net/1885/147606.
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