Дисертації з теми "Australian insect"
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Peeters, Paula J. (Paula Jane) 1969. "Relationships between leaf traits and herbivorous insect assemblages in a temperate Australian forest." Monash University, Dept. of Biological Sciences, 2001. http://arrow.monash.edu.au/hdl/1959.1/8792.
Повний текст джерелаChitra, Eric, and n/a. "Bionomics of Culicoides molestus (Diptera: Ceratopogonidae): a pest biting midge in Gold Coast canal estates." Griffith University. School of Environmental and Applied Science, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20041119.101151.
Повний текст джерелаWells, Alice. "The systematics and biogeography of Australian hydroptilidae (Trichoptera) /." Title page, contents and abstract only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phw453.pdf.
Повний текст джерелаSutcliffe, Karen. "The conservation status of aquatic insects in South-Western Australia /." Access via Murdoch University Digital Theses Project, 2003. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20040430.153605.
Повний текст джерелаSutcliffe, Karen Elizabeth. "The conservation status of aquatic insects in south-western Australia." Thesis, Sutcliffe, Karen Elizabeth (2003) The conservation status of aquatic insects in south-western Australia. PhD thesis, Murdoch University, 2003. https://researchrepository.murdoch.edu.au/id/eprint/327/.
Повний текст джерелаSutcliffe, Karen Elizabeth. "The conservation status of aquatic insects in south-western Australia." Murdoch University, 2003. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20040430.153605.
Повний текст джерелаWang, Haikou Physical Environmental & Mathematical Sciences Australian Defence Force Academy UNSW. "Evaluation of insect monitoring radar technology for monitoring locust migrations in inland Eastern Australia." Awarded by:University of New South Wales - Australian Defence Force Academy, 2008. http://handle.unsw.edu.au/1959.4/38923.
Повний текст джерелаKasper, Marta L. "The population ecology of an invasive social insect, Vespula germanica (Hymenoptera : vespidae) in South Australia /." Title page, table of contents and abstract only, 2004. http://web4.library.adelaide.edu.au/theses/09PH/09phk1928.pdf.
Повний текст джерелаPetersen, Christopher, and Jonathon Georgy. "The effect of suitcase concealment on the insect colonisation: A pilot study in Western Australia." Thesis, Petersen, Christopher and Georgy, Jonathon (2017) The effect of suitcase concealment on the insect colonisation: A pilot study in Western Australia. Masters by Coursework thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/37834/.
Повний текст джерелаLambert, Adam Matthew. "Native and exotic Phragmites australis in Rhode Island : distribution and differential resistance to insect herbivores /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3186908.
Повний текст джерелаRochester, W. A. "The migration systems of Helicoverpa punctigera (Wallengren) and Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in Australia /." [St. Lucia, Qld. : s.n.], 1999. http://adt.library.uq.edu.au/public/adt-QU2001.0019/index.html.
Повний текст джерелаButler, G. D. Jr, and T. J. Henneberry. "Microplitis sp. From Australia (Hymenoptera: Braconidae): Development in the Beet Armyworm and Adult Longevity in Relation to Temperature." College of Agriculture, University of Arizona (Tucson, AZ), 1991. http://hdl.handle.net/10150/208377.
Повний текст джерелаPlumier, Benjamin Mark. "3D ecosystem modeling of aeration and fumigation in Australian grain silos to improve efficacy against insects." Diss., Kansas State University, 2018. http://hdl.handle.net/2097/38833.
Повний текст джерелаDepartment of Grain Science and Industry
X. Susan Sun
With continued population growth, more food production will be required with lower resource inputs. A significant drain on resources is post-harvest loss due to insects, which results in loss of product, quality and market access, and increased grain spoilage. Aeration and fumigation are key tools to control insect growth in stored grains and grain foods. The implementation of aeration strategies in Australia is made difficult by the warm subtropical climate, meanwhile the success of fumigation is being threatened by the spread of insect resistance to the fumigant phosphine. This dissertation project seeks to improve the understanding of aeration and fumigation by modifying the Maier-Lawrence (M-L) 3D ecosystem model by adding insect growth equations and quantifying fumigant loss from sealed bulk grain silos. The improved model was used to examine aeration under Australian conditions, validate its capability to accurately describe fumigant concentrations during silo fumigation, determine the extent to which fumigations are influenced by operational variables and environmental conditions, and validate its capability to describe fumigant concentrations post-fumigation in order to investigate the time needed to clear a grain storage silo of fumigant in order to assure worker safety. Six aeration strategies were evaluated under Australian conditions. Of these strategies, two were found to be effective in lowering temperatures, i.e., fans were turned on when ambient temperature was less than 20oC, and less than internal grain temperature. The strategy based on temperature differential was the most effective because it cooled the interior of the grain mass with the least amount of energy (using the fewest fan run hours, and reaching 15oC an average of 11 days after than the fastest strategy). Using a 0oC temperature differential was the most effective strategy in terms of reducing insect growth. The expanded (M-L-P) model was then validated based on experimental fumigant concentrations. The model was effective in reproducing average fumigant concentrations and fumigant trends vertically through the grain mass, but was not able to reproduce lateral fumigant variations. Verifications of the model with two different periods of phosphine release (i.e., 24h and 30h) were tested. Based on a 24h phosphine release period the predicted Ct-product differed from the experimental value by 0.9%. A 30h release period predicted a Ct-product that differed by 4.3% from the experimental value but it was more accurate during the times of highest concentration. Increases in leakage reduced fumigant concentrations, but the size of the effect decreased as leakage grew. Increasing temperature and wind speed in the model led to decreased phosphine concentrations, with temperature changes having a more significant impact overall than wind speed changes for the conditions investigated. Decreasing silo surface area to volume ratio dampened the impact of changing weather conditions on phosphine concentrations. A fumigant venting experiment was conducted in a silo at Lake Grace, Australia, to investigate full scale desorption. Two equations estimating fumigant desorption were tested, with an average of 65.5% and -86.3% error. The length of venting periods was simulated to quantify hours needed to mitigate hazardous conditions. For the scenarios investigated 10 to 24 h of venting were needed to reduce residual fumigant concentration below 0.3 ppm depending on simulation assumptions.
Reels, Graham Thomas. "Management strategies for the reed Phragmites australis (CAV.) Steud. at Mai Po Marshes Nature Reserve, Hong Kong, with observations on the associated insect Fauna /." Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20665799.
Повний текст джерелаKeshlaf, Marwan M. "An assessment of honeybee foraging activity and pollination efficacy in Australian Bt cotton." View thesis, 2008. http://handle.uws.edu.au:8081/1959.7/38265.
Повний текст джерелаA thesis submitted to the University of Western Sydney, College of Health and Science, Centre for Plant and Food Science, in fulfilment of the requirements for the degree of Doctor of Philosophy. Includes bibliography.
Wan, Jing. "Prediction of the potential geographic distributions and risk assessment of four trade impacting invasive insect pests in Australia and China." Thesis, Wan, Jing (2020) Prediction of the potential geographic distributions and risk assessment of four trade impacting invasive insect pests in Australia and China. PhD thesis, Murdoch University, 2020. https://researchrepository.murdoch.edu.au/id/eprint/61455/.
Повний текст джерелаVezvaei, Ali. "Pollination studies in almond." Title page, contents and summary only, 1994. http://web4.library.adelaide.edu.au/theses/09PH/09phv597.pdf.
Повний текст джерелаReels, Graham Thomas. "Management strategies for the reed Phragmites australis (CAV.) Steud. at Mai Po Marshes Nature Reserve, Hong Kong, with observations on theassociated insect Fauna." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31211835.
Повний текст джерелаMuthuthantri, Weerawickramage Sakuntala Nayanatara. "Population phenology of the tropical fruit fly, Bactrocera tryoni (Froggatt) (Diptera: Tephritidae), in Queensland, Australia." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/16671/1/Weerawickramage_Muthuthantri_Thesis.pdf.
Повний текст джерелаMuthuthantri, Weerawickramage Sakuntala Nayanatara. "Population phenology of the tropical fruit fly, Bactrocera tryoni (Froggatt) (Diptera: Tephritidae), in Queensland, Australia." Queensland University of Technology, 2008. http://eprints.qut.edu.au/16671/.
Повний текст джерелаTarlinton, Boyd. "Phylosymbiosis and the microbiome of the native Australian stingless bee Tetragonula carbonaria." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/212693/1/Boyd_Tarlinton_Thesis.pdf.
Повний текст джерелаToussaint, Emmanuel FA. "Insects as a model to puzzle out mechanisms of lineage diversification in the Indomalayan / Australasian archipelago." Diss., Ludwig-Maximilians-Universität München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-177872.
Повний текст джерелаDean, Timothy J. Physical Environmental & Mathematical Sciences Australian Defence Force Academy UNSW. "Development and evaluation of automated radar systems for monitoring and characterising echoes from insect targets." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Physical, Environmental and Mathematical Sciences, 2007. http://handle.unsw.edu.au/1959.4/38667.
Повний текст джерелаMaroni, Paige. "Sexual conflict and secondary sexual traits in West Australian Riffle Bugs (Insecta: Hemiptera: Veliidae). An overview of the relationship between morphology and behaviour." Thesis, Maroni, Paige (2017) Sexual conflict and secondary sexual traits in West Australian Riffle Bugs (Insecta: Hemiptera: Veliidae). An overview of the relationship between morphology and behaviour. Honours thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/40076/.
Повний текст джерелаMichalakis, Ioannis. "Evolution des systèmes plantes hôtes - insectes parasites : approche théorique et expérimentale." Montpellier 2, 1992. http://www.theses.fr/1992MON20008.
Повний текст джерелаYan, Jwo-Yee. "Studies on the behaviour of males of California red scale Aonidiella aurantii (Maskell)." Title page, contents and summary only, 1985. http://web4.library.adelaide.edu.au/theses/09A/09ay21.pdf.
Повний текст джерелаBaker, Jeanine. "Factors affecting the establishment of a classical biological control agent, the horehound plume moth (Wheeleria spilodactylus) in South Australia." Title page, summary and contents only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phb1677.pdf.
Повний текст джерелаGuthrie, Ruth J. "Patterns of invertebrate distribution and abundance on Cordyline australis in human-modified landscapes." Diss., Lincoln University, 2008. http://hdl.handle.net/10182/1235.
Повний текст джерелаHill, Stuart John. "Pollination of almond (Prunus dulcis (Mill.) D.A. Webb)." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09A/09ah648.pdf.
Повний текст джерелаAlfaro, Lemus Ana Lilia. "Factors influencing the control of citrophilous mealybug Pseudococcus calceolarie (Maskell) by Coccophagus gurneyi Compere in the Riverland of South Australia." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09IM/09iml562.pdf.
Повний текст джерелаToussaint, Emmanuel F. A. [Verfasser], and Gerhard [Akademischer Betreuer] Haszprunar. "Insects as a model to puzzle out mechanisms of lineage diversification in the Indomalayan / Australasian archipelago [[Elektronische Ressource]] / Emmanuel F. A. Toussaint. Betreuer: Gerhard Haszprunar." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://d-nb.info/1069743305/34.
Повний текст джерелаToussaint, Emmanuel F. A. Verfasser], and Gerhard [Akademischer Betreuer] [Haszprunar. "Insects as a model to puzzle out mechanisms of lineage diversification in the Indomalayan / Australasian archipelago [[Elektronische Ressource]] / Emmanuel F. A. Toussaint. Betreuer: Gerhard Haszprunar." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-177872.
Повний текст джерелаDavila, Yvonne Caroline. "Pollination ecology of Trachymene incisa (Apiaceae): Understanding generalised plant-pollinator systems." University of Sydney, 2006. http://hdl.handle.net/2123/1896.
Повний текст джерелаA renewed focus on generalised pollinator systems has inspired a conceptual framework which highlights that spatial and temporal interactions among plants and their assemblage of pollinators can vary across the individual, population, regional and species levels. Pollination is clearly a dynamic interaction, varying in the number and interdependence of participants and the strength of the outcome of the interaction. Therefore, the role of variation in pollination is fundamental for understanding ecological dynamics of plant populations and is a major factor in the evolution and maintenance of generalised and specialised pollination systems. My study centred on these basic concepts by addressing the following questions: (1) How variable are pollinators in a generalised pollination system? To what degree do insect visitation rates and assemblage composition vary spatially among populations and temporally among flowering seasons? (2) How does variation in pollinators affect plant reproductive success? I chose to do this using a model system, Trachymene incisa subsp. incisa (Apiaceae), which is a widespread Australian herbaceous species with simple white flowers grouped into umbels that attract a high diversity of insect visitors. The Apiaceae are considered to be highly generalist in terms of pollination, due to their simple and uniform floral display and easily accessible floral rewards. Three populations of T. incisa located between 70 km and 210 km apart were studied over 2-3 years. The few studies investigating spatial and temporal variation simultaneously over geographic and yearly/seasonal scales indicate that there is a trend for more spatial than temporal variation in pollinators of generalist-pollinated plants. My study showed both spatial and temporal variation in assemblage composition among all populations and variation in insect visitation rates, in the form of a significant population by year interaction. However, removing ants from the analyses to restrict the assemblage to flying insects and the most likely pollinators, resulted in a significant difference in overall visitation rate between years but no difference in assemblage composition between the Myall Lakes and Tomago populations. These results indicate more temporal than spatial variation in the flying insect visitor assemblage of T. incisa. Foraging behaviour provides another source of variation in plant-pollinator interactions. Trachymene incisa exhibits umbels that function as either male or female at any one time and offer different floral rewards in each phase. For successful pollination, pollinators must visit both male and female umbels during a foraging trip. Insects showed both preferences and non-preferences for umbel phases in natural patches where the gender ratio was male biased. In contrast, insects showed no bias in visitation during a foraging trip or in time spent foraging on male and female umbels in experimental arrays where the gender ratio was equal. Pollinator assemblages consisting of a mixture of different pollinator types coupled with temporal variation in the assemblages of populations among years maintains generalisation at the population/local level. In addition, spatial variation in assemblages among populations maintains generalisation at the species level. Fire alters pollination in T. incisa by shifting the flowering season and reducing the abundance of flying insects. Therefore, fire plays an important role in maintaining spatial and temporal variation in this fire-prone system. Although insect pollinators are important in determining the mating opportunities of 90% of flowering plant species worldwide, few studies have looked at the effects of variation in pollinator assemblages on plant reproductive success and mating. In T. incisa, high insect visitation rates do not guarantee high plant reproductive success, indicating that the quality of visit is more important than the rate of visitation. This is shown by comparing the Agnes Banks and Myall Lakes populations in 2003: Agnes Banks received the highest visitation rate from an assemblage dominated by ants but produced the lowest reproductive output, and Myall Lakes received the lowest visitation rate by an assemblage dominated by a native bee and produced the highest seedling emergence. Interestingly, populations with different assemblage composition can produce similar percentage seed set per umbel. However, similar percentage seed set did not result in similar percentage seedling emergence. Differences among years in reproductive output (total seed production) were due to differences in umbel production (reproductive effort) and proportion of umbels with seeds, and not seed set per umbel. Trachymene incisa is self-compatible and suffers weak to intermediate levels of inbreeding depression through early stages of the life cycle when seeds are self-pollinated and biparentally inbred. Floral phenology, in the form of synchronous protandry, plays an important role in avoiding self-pollination within umbels and reducing the chance of geitonogamous pollination between umbels on the same plant. Although pollinators can increase the rate of inbreeding in T. incisa by foraging on both male and female phase umbels on the same plant or closely related plants, most consecutive insect movements were between plants not located adjacent to each other. This indicates that inbreeding is mostly avoided and that T. incisa is a predominantly outcrossing species, although further genetic analyses are required to confirm this hypothesis. A new conceptual understanding has emerged from the key empirical results in the study of this model generalised pollination system. The large differences among populations and between years indicate that populations are not equally serviced by pollinators and are not equally generalist. Insect visitation rates varied significantly throughout the day, highlighting that sampling of pollinators at one time will result in an inaccurate estimate and usually underestimate the degree of generalisation. The visitor assemblage is not equivalent to the pollinator assemblage, although non-pollinating floral visitors are likely to influence the overall effectiveness of the pollinator assemblage. Given the high degree of variation in both the number of pollinator species and number of pollinator types, I have constructed a model which includes the degree of ecological and functional specialisation of a plant species on pollinators and the variation encountered across different levels of plant organisation. This model describes the ecological or current state of plant species and their pollinators, as well as presenting the patterns of generalisation across a range of populations, which is critical for understanding the evolution and maintenance of the system. In-depth examination of pollination systems is required in order to understand the range of strategies utilised by plants and their pollinators, and I advocate a complete floral visitor assemblage approach to future studies in pollination ecology. In particular, future studies should focus on the role of introduced pollinators in altering generalised plant-pollinator systems and the contribution of non-pollinating floral visitors to pollinator assemblage effectiveness. Comparative studies involving plants with highly conserved floral displays, such as those in the genus Trachymene and in the Apiaceae, will be useful for investigating the dynamics of generalised pollination systems across a range of widespread and restricted species.
Wallenius, Thomas Christopher. "Chemical ecology and pollination biology of the Australian cycad macrozamia communis." Phd thesis, 2014. http://hdl.handle.net/1885/151516.
Повний текст джерелаHoare, Robert James Bruce. "Systematics of Australian Nepticulid moths (Lepidoptera: Nepticulidae)." Phd thesis, 1998. http://hdl.handle.net/1885/145281.
Повний текст джерелаPurcell, Michaela. "Phylogeny and host relationships of the Australian gall-inducing fly Fergusonina Malloch (Diptera: Fergusoninidae)." Phd thesis, 2017. http://hdl.handle.net/1885/143779.
Повний текст джерелаReid, Christoper Athol McEwan. "Systematics of the Australian Cryptocephalinae (Coleoptera: Chrysomelidae)." Phd thesis, 1990. http://hdl.handle.net/1885/12539.
Повний текст джерелаMuhunthan, Murugappan. "Novel methods of fumigating Australian wildflowers." Thesis, 2003. https://vuir.vu.edu.au/15647/.
Повний текст джерела(9128900), Laura Catherine Doll. "An investigation of genetic variability in Lucilia cuprina and Musca domestica utilizing phylogenetic and population genetic approaches." Thesis, 2020.
Знайти повний текст джерелаQin, Ting Kui. "Phylogeny and biogeography of the wax scales (Hemiptera: Coccoidea: Coccidae) with special reference to Ceroplastes sinensis Del Guercio." Phd thesis, 1993. http://hdl.handle.net/1885/140210.
Повний текст джерелаLandsberg, Jennifer Jill. "Dieback of rural eucalypts : dietary quality of foliage and insect herbivory." Phd thesis, 1986. http://hdl.handle.net/1885/143177.
Повний текст джерелаKamgan-Nkuekam, Gilbert. "Ophiostomatoid fungi and their insect associates on Eucalyptus trees in Australia and South Africa." Thesis, 2011. http://hdl.handle.net/2263/31365.
Повний текст джерелаThesis (PhD)--University of Pretoria, 2011.
Microbiology and Plant Pathology
Unrestricted
De, Broekert Peter. "Origin of tertiary inset-valleys and their fills, Kalgoorlie, Western Australia." Phd thesis, 2002. http://hdl.handle.net/1885/10816.
Повний текст джерелаKeshlaf, Marwan M., University of Western Sydney, College of Health and Science, and Centre for Plant and Food Science. "An assessment of honeybee foraging activity and pollination efficacy in Australian Bt cotton." 2008. http://handle.uws.edu.au:8081/1959.7/38265.
Повний текст джерелаDoctor of Philosophy (PhD)
Kim, Il-Kwon. "Evolution of gall inducing Eulophidae (Hymenoptera: Chalcidoidea) on Myrtaceae in Australia." Phd thesis, 2008. http://hdl.handle.net/1885/110000.
Повний текст джерелаHosseini, Reza. "A DNA-based approach to study predator-prey trophic interactions within Brassica crops : a search for predators of diamondback moth (Plutella xylostella)." 2007. http://hdl.handle.net/2440/56816.
Повний текст джерелаBrassica vegetables and oilseeds are economically important crops worldwide. These crops are associated with several destructive and widespread insect pests. In Australia these pests include six species, Plutella xylostella (Linnaeus), Pieris rapae (Linnaeus), Hellula hydralis Guenée, Helicoverpa punctigera (Wallengren), Brevicoryne brassicae (Linnaeus) and Myzus persicae (Sulzer), which are the focus of this research. Among them P. xylostella (diamondback moth or DBM) is the most serious and destructive insect pest. Little is known about the potential of predators, which may be able to contribute to control diamondback moth, although some field studies have shown the overall importance of predators in controlling this key pest. The aim of this study was to develop a method that allows study of predator-prey trophic interactions in the field.
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Thesis (Ph.D.) -- University of Adelaide, School of Agriculture, Food and Wine, 2007
"Scale insect infestation of phragmites australis in the Mississippi River delta, USA: Do fungal microbiomes play a role?" Tulane University, 2020.
Знайти повний текст джерелаVezvaei, Ali. "Pollination studies in almond / by Ali Vezvaei." Thesis, 1994. http://hdl.handle.net/2440/18503.
Повний текст джерелаRozario, Shelley Anastacia. "Population ecology of leafhoppers (Hemiptera: Eurymelidae) on eucalypts and their associations with ants." Master's thesis, 1989. http://hdl.handle.net/1885/142284.
Повний текст джерелаWeichel, Nyree. "Acacia victoriae and its association with sugary-exudate producing herbivorous insects and trailing dominant ants in semi-arid Australia." Thesis, 2012. http://hdl.handle.net/2440/80456.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2012