Дисертації з теми "Elephant, asian"
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Seilern-Moy, Katharina. "Pathogenic characteristics of elephant endotheliotropic herpesvirus infection in Asian elephants." Thesis, University of Surrey, 2017. http://epubs.surrey.ac.uk/814023/.
Повний текст джерелаBennett, Laura. "Epidemiology and molecular biology of elephant endotheliotropic herpesvirus 1 in the Asian elephant Elephas maximus." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/51270/.
Повний текст джерелаBischof, Laura Louise. "DNA fingerprinting analysis of captive Asian elephants, Elephas maximas." PDXScholar, 1990. https://pdxscholar.library.pdx.edu/open_access_etds/3966.
Повний текст джерелаSripiboon, S. "Elephant Endotheliotropic Herpesvirus Infection in Captive Asian Elephants (Elephas maximus) in Thailand: Implications for Conservation and Health Management." Thesis, Sripiboon, S. (2017) Elephant Endotheliotropic Herpesvirus Infection in Captive Asian Elephants (Elephas maximus) in Thailand: Implications for Conservation and Health Management. PhD thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/36692/.
Повний текст джерелаGlaeser, Sharon Stuart. "Analysis and Classification of Sounds Produced by Asian Elephants (Elephas Maximus)." PDXScholar, 2009. https://pdxscholar.library.pdx.edu/open_access_etds/4066.
Повний текст джерелаRizvanovic, Alisa. "Olfactory discrimination performance and longterm odor memory in Asian elephants (Elephas maximus)." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-78026.
Повний текст джерелаArvidsson, Josefin. "Development and application of an olfactory discrimination paradigm for Asian elephants (Elephas maximus)." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-70373.
Повний текст джерелаVelonis, Heather Kelly. "Predicting Parturition in a Long-Gestating Species: Behavioral and Hormonal Indicators in the Asian Elephant (Elephas maximus)." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/4021.
Повний текст джерелаCuasay, R. Peter L. "Time borders and elephant margins among the Kuay of South Isan, Thailand /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/6462.
Повний текст джерелаHoldgate, Matthew Robert. "Applying GPS and Accelerometers to the Study of African Savanna (Loxodonta africana) and Asian Elephant (Elephas maximus) Welfare in Zoos." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2234.
Повний текст джерелаSjöberg, Johanna. "The Effect of Extra Food Stimulation on Asian Elephants (Elephas maximus) Kept at Kolmården Zoo." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69943.
Повний текст джерелаBjörk, Kim. "The effect of extra feed supply on stereotypic behaviour in Asian elephants (Elphas maximus)." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69427.
Повний текст джерелаBarua, Maan Singh Kharangi. "The political ecology of human-elephant relationships in India : encounters, spaces, politics." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:6a502560-2783-4951-a7a7-873112d758da.
Повний текст джерелаOlby, Sara. "Fodertillgång och stereotypa beteenden under natten hos Asiatisk elefant (Elephas maximus)." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69572.
Повний текст джерелаHolmgren, Mary. "A method to evaluate environmental enrichments for Asian elephants (Elephas maximus) in zoos." Thesis, Linköping University, The Department of Physics, Chemistry and Biology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11902.
Повний текст джерелаEnvironmental enrichment (EE) is used to improve the life of captive animals by giving them more opportunities to express species-specific behaviours. Zoo elephants are one of the species that is in great need of EE because their environment is often barren. Before making EE permanent, however, it is wise to test first if it works as intended, to save time and money. Maximum price paid is one measure that can be used to assess if an animal has any interest in a resource at all. Food is often used as a comparator against EEs in these kinds of studies. The aim was to investigate if the maximum price paid concept could be used to measure the value of EEs for the two female Asian elephants at Kolmården and to find an operant test suitable for them for the experimental trials. Three series of food trials were done with each elephant, where they had to lift weights by pulling a rope with their mouth to get access to 5kg hay. The elephants paid a maximum price of 372 and 227kg, respectively. However, the maximum price the elephants paid for access to the hay was not stable across the three series of trials. Hence it is recommended that the comparator trials are repeated close in time to the EEs to be tested. The readiness by which these elephants performed the task makes it worthwhile to further pursue this approach as one of the means to improve the well-being of zoo elephants.
Wong, E. P. "Non-invasive monitoring of stress in wild Asian elephants (Elephas maximus) in Peninsular Malaysia." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/47810/.
Повний текст джерелаLaDue, Chase Andrew. "Chemical Signaling in Asian Elephants (Elephas Maximus): Concentration Effects with Applications for Management and Conservation." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1622.
Повний текст джерелаMumby, Hannah. "Stress, ecology and demography of Asian elephants." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/6922/.
Повний текст джерелаLynsdale, Carly L. "Evolutionary ecology of parasite infection in Asian elephants." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19058/.
Повний текст джерелаNachiketha, Sharma Ramamurthy. "Vocal repertoire and disturbance-associated vocalisations in free-ranging Asian elephants." Kyoto University, 2020. http://hdl.handle.net/2433/253134.
Повний текст джерелаKyoto University (京都大学)
0048
新制・課程博士
博士(理学)
甲第22298号
理博第4612号
新制||理||1661(附属図書館)
京都大学大学院理学研究科生物科学専攻
(主査)教授 幸島 司郎, 教授 平田 聡, 教授 伊谷 原一
学位規則第4条第1項該当
Harich, Franziska K. [Verfasser], and Anna [Akademischer Betreuer] Treydte. "Conflicts of human land-use and conservation areas : the case of Asian elephants in rubber-dominated landscapes of Southeast Asia / Franziska K. Harich ; Betreuer: Anna Treydte." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2017. http://d-nb.info/1139048333/34.
Повний текст джерелаKing, Mark Johann. "Case studies of the transfer of road safety knowledge and expertise from western countries to Thailand and Vietnam, using an ecological road safety space model : elephants in traffic and rice cooker helmets." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16191/1/Mark_King_Thesis.pdf.
Повний текст джерелаKing, Mark Johann. "Case studies of the transfer of road safety knowledge and expertise from western countries to Thailand and Vietnam, using an ecological road safety space model : elephants in traffic and rice cooker helmets." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16191/.
Повний текст джерелаVidya, T. N. C. "Population Genetic Structure And Phylogeography Of The Asian Elephant (Elephas maximus) With Special Reference To India." Thesis, 2004. http://etd.iisc.ernet.in/handle/2005/1151.
Повний текст джерелаChelliah, Karpagam. "Sexual Selection On Elephant Tusks." Thesis, 2015. http://etd.iisc.ernet.in/handle/2005/2636.
Повний текст джерелаButler, Kylie Michelle. "Behaviour and crop-raiding patterns of Asian Elephants (Elephas maximus): can beehive fences help mitigate human-elephant conflict in Sri Lanka?" Thesis, 2020. http://hdl.handle.net/1959.13/1415574.
Повний текст джерелаHuman-elephant conflict (HEC) in the form of crop-raiding, is a major conservation challenge to the long-term survival of elephant populations, simultaneously threatening the livelihoods and personal safety of people living in proximity to elephants. The widespread problem of HEC has led to a great deal of research into the causes, consequences and predictors of elephant crop-raiding activity. However, despite similarities across HEC situations, site-specific differences are also apparent. Furthermore, most studies focus on one facet of HEC when it is a complex issue requiring understanding of local elephant behaviour, identification of the characteristics and patterns of crop-raiding at the local scale, and careful implementation and monitoring of mitigation strategies. In this study, I selected a region of Sri Lanka experiencing high levels of HEC and sought to provide an in-depth assessment of the site-specific situation generated over a three-year period. Specifically, we aimed to: identify general patterns of behaviour occurring in local areas representing differing levels of anthropogenic disturbance to elephants; profile patterns and predictors of crop-raiding activity in a village heavily impacted by HEC; and test the effectiveness of beehive fencing as an Asian elephant deterrent tool. First, I provide initial evidence that elephants inhabiting areas of ‘medium’ level anthropogenic disturbance outside of protected boundaries, interrupt feeding and increase ‘reactive’ behaviours such as smelling and holding the ‘vigilance’ posture in response to immediate anthropogenic threats in the environment. In the absence of any known disturbances, there was no difference in general behaviours of male or female elephants between the two risk zones. Secondly, I show that elephant crop-raiding in Dewagiriya Village occurs year-round and follows no clear seasonal patterns. Similar to other HEC situations, male elephants are the predominant crop-raiders, and crop-raiding occurs almost exclusively at nights. Within-site variations in crop-raiding intensity were also identified, with properties closest to water tanks and forest habitat the most vulnerable. Finally, our three-year beehive fence trial showed that households using beehive fences around their gardens had significantly less elephant visits into their gardens then households without. Still, difficulties in attracting natural colonies, poor honey production, set-up costs, and farmer motivations were barriers to success. This study contributes to the general body of knowledge on elephant behaviour in an anthropogenically influenced contexts, and specifically on patterns of crop-raiding and mitigation efforts. Further research into the potential of beehive fences as an Asian elephant deterrent, preferably in a location more amenable to beekeeping, would help to determine the value of expanding this technique further in Sri Lanka, and elsewhere in Asia.
Crawford, Erin. "An Elephant Never Forgets ... The Right Microclimate : Thermal Comfort and Microclimatic Design of Asian Elephant Zoo Enclosures." Thesis, 2012. http://hdl.handle.net/10214/5319.
Повний текст джерелаLi, Mu-Yao, and 李慕瑶. "Effects of time and temperature on stability of cortisol, progesterone and testosterone in blood samples of Asian elephant (Elephas maximus)." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7euh38.
Повний текст джерела國立中興大學
獸醫學系暨研究所
107
Different hormone degradation responds differently to storage time and temperature in different species. The effects of storage time duration and temperature on hormone degradation before centrifugation have not been evaluated in elephant blood. We designed two project in this experiment. A total of 52 ml blood was collected from each elephant (Baanchang elephant camp, Chiang Mai), each project took up half of the blood. In Project EDTA, 26 ml of blood were divided into 13 aliquots and was left in EDTA tubes before centrifugation. 1 aliquot was centrifuged immediately and set as baseline (T0). 12 aliquots remained were divided into 3 temperature subgroups: group LT (4 ℃), group RT (25 ℃) and group HT (37 ℃), each group was incubated at relative temperature. One aliquot of each group was centrifuged and plasma was collected at 6hr, 24hr, 48hr, 62hr. In Project NA, 26 ml blood was divided into 13 aliquots and was left in non-anticoagulant tubes before centrifugation. All aliquots were treated like as Project EDTA. All the plasma and serum extracted was kept at -20 ℃ until analysis. Enzyme-linked immunoassay (EIA) was applied to measure the concentration of cortisol (male and female elephant), testosterone (male elephant) and progesterone (female elephant). Raw data was calculated as % of Time 0 (T0). One-way ANOVA and Dunnett’s test were used to analyze % of T0, to determine the effect of time, temperature and time * temperature. Significant difference was confirmed when P 〈0.05. The results were 1) cortisol, progesterone and testosterone in Project EDTA was stable at all temperature condition for up to 62 hours; 2) cortisol in Project NA decreased significantly after 48 and 62 hours in group HT (P 〈0.05 and P 〈0.01, respectively); 3) testosterone in Project NA decreased significantly after 48 and 62 hours in group HT (P 〈0.01 and P 〈0.001, respectively); 4) temperature and time duration before centrifugation did not affect concentration of progesterone in Project NA. These finding suggested that 1) plasma sample may provide better hormone stability at 37 ℃; 2) progesterone is the most stable hormone in elephant blood sample, and can be kept in tubes before centrifugation for up to 62 hours. 3) cortisol and testosterone concentration should be measured before 48 hours.
Sitompul, Arnold Feliciano. "Ecology and conservation of Sumatran elephants (Elephas maximus sumatranus) in Sumatra, Indonesia." 2011. https://scholarworks.umass.edu/dissertations/AAI3445184.
Повний текст джерелаPOkharel, Sanjeeta Sharma. "Stress Physiology of Free-ranging Asian Elephants (Elephas maximus) : Influence of Ecological and Anthropogenic Stressors." Thesis, 2017. http://etd.iisc.ernet.in/2005/3801.
Повний текст джерелаGhosal, Ratna. "Studies On Endocrine And Behavioral Assessment Of Reproductive Status In Asian Elephants (Elephas Maximus)." Thesis, 2010. http://etd.iisc.ernet.in/handle/2005/1883.
Повний текст джерелаPinto, Ana Catarina Silva. "Influence of different captivity conditions in African and Asian elephants’ behaviour: preliminary study." Master's thesis, 2015. http://hdl.handle.net/10348/4887.
Повний текст джерелаOs elefantes Africanos e Asiáticos são considerados espécies ameaçadas e as suas populações continuam a decrescer. Inúmeros esforços têm sido feitos de forma a contrariar esta tendência. Os Zoos têm um papel muito importante no que toca à conservação da vida selvagem, desenvolvendo projectos de investigação e programas educacionais. Portanto, a existência de animais em vias de extinção em cativeiro é uma mais-valia para a sua sobrevivência. No entanto, estas instituições têm de mostrar ao público que a sua missão principal é a conservação de espécies, e que durante este processo todas as medidas com vista a garantir o bem-estar animal são acauteladas. O objectivo principal deste trabalho é avaliar as variações das manifestações comportamentais das diferentes populações de elefantes nos Zoos face às diferentes variáveis ambientais a que estão sujeitos. Para alcançar este objetivo, foram colhidos dados em cada Zoo sob a forma de questionários e de vídeos comportamentais de elefantes, que foram depois analisados estatisticamente. Observamos que a presença do macho influencia nas fêmeas os comportamentos de alimentação, locomoção, vocalização e comportamentos estereotipados. O comportamento de “dusting” e os movimentos das orelhas estão diretamente relacionados com o aumento da temperatura. Os dispositivos de enriquecimento levam a um aumento do comportamento de brincadeira, mantendo os animais mental e fisicamente ocupados. O enriquecimento alimentar que leva a um aumento do comportamento de alimentação é um factor positivo no que toca a comportamentos estereotipados, já que estes não são tantas vezes manifestados quando esse tipo de enriquecimento é praticado. Também pudemos observar que a existência de grupos sociais leva à realização de comportamentos mais semelhantes aos seus co específicos selvagens. Podemos concluir que a avaliação do comportamento dos elefantes em cativeiro permite auxiliar a adoptar medidas com vista a melhorarem os procedimentos de maneio em cativeiro, de forma a diminuir o impacto negativo na vida dos animais levando a uma melhor conservação.
African and Asian elephants are listed as threatened species and their populations continue to decline. Lots of efforts have been made to counter this tendency. Zoos have an important role to play in terms of Wildlife conservation, developing projects in the wild, alongside research and education programs. So, the existence of endangered species in captivity is important for their survival in the wild. Zoos must make clear to the general public that their mission is one of conservation, which is conducted with the highest welfare standards. The main objective of this project is to evaluate the behaviours’ variations in different Zoo populations regarding the effect of diverse environmental variables. To achieve this, in each Zoo was collect data through two methods: a survey and videos of elephant behaviours that were statistical analysed afterwards. We observed that the presence of the male has an influence on females’ foraging, locomotion, vocalizations and stereotypic behaviour. Dusting and ears’ flapping behaviours are directly related with the environmental temperature. The enrichment devices lead to an increase in the play behaviour, keeping the elephants mentally and physically occupied. The nutritional enrichment which leads to an increased the foraging behaviour is a positive factor regarding stereotypic behaviours as they are not performed as often as when such enrichment is practiced. Also, the existence of social tiers and groups leads to the performance of most similar behaviours as their wild conspecifics. We can conclude that the assessment of elephant behaviour in captivity will help to adopt measures to improve the management procedures that will have lower impact in the animal’s life leading an optimized conservation.