Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 199 for “"Madagascar"”.
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Cataract surgical services in Madagascar
… was to evaluate cataract surgical services in Madagascar to help guide the national eye health program. Methods: A retrospective study that used cataract surgical data collected between January 1st and December 31st, 2012 in 8 regional capitals (districts) of Madagascar. 1072 cataract operated …
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Systematics and biogeography of leafhoppers in Madagascar
The biodiversity of Madagascar is well appreciated due to its high level of species richness and endemism. With more natural habitat being destroyed due to colonization and fulfilling essential needs of humans, presently it is considered as one of the priority hotspots for biodiversity …
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Dynamic Topography of Madagascar and its Surroundings
… gravity anomalies to gauge dynamic support. Madagascar and southern Africa have an admittance of $40\pm10$~mGal~km$^{-1}$ at wavelengths of 500--3000~km indicative of some component of dynamic support. Differences between gravity and topographic signals at longer wavelengths suggest that …
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The sustainability of crayfish harvesting in Madagascar
Madagascar’s freshwater crayfish, belonging to the endemic genus Astacoides, are harvested throughout their range in the eastern highlands of the country. They provide an important source of protein and revenue to local communities but there is concern that the harvest may be unsustainable. In this …
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Variability of summer rainfall over southwestern Madagascar
… days during the rainy season over southwestern Madagascar, and its associated regional and global circulation patterns. The number of wet days was counted for each summer season (December to March) of the period 1971 to 2000 at four rainfall stations in southwestern Madagascar. For each station, …
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Variability of coastal upwelling south of Madagascar
Madagascar’s southern coastal marine zone is a region of high biological productivity which supports a wide range of marine ecosystems, including fisheries. This high biological productivity is attributed to coastal upwelling. The thesis seeks to characterise the variability of the coastal …
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Antiproliferative Natural Products from the Madagascar Rainforest
… search for anticancer natural products from the Madagascar rainforest, twenty extracts from Madagascar were selected for investigation based on their antiproliferative activity. Bioassay-guided fractionation of five of the extracts yielded sixteen new compounds, and their structures were …
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The southern termination of the East Madagascar current
… Agulhas Current is the southern limb of the East Madagascar Current (EMC). Previously the EMC was primarily studied through the use of drifters, remote sensing and ships' drift methods. In an attempt to increase the understanding of this possible source region a first dedicated cruise was …
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Hell ville empowerment centre, Hell ville, Nosy Be, Madagascar
No abstract available
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The biophysical processes controlling the South-East Madagascar Bloom
… and the life in the ocean. The South-East Madagascar Bloom, one of the largest blooms in the global ocean, coexists with the poleward flowing South-East Madagascar Current (SEMC), the eastward flowing South Indian Ocean Countercurrent (SICC) as well as westward-propagating surface and …
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Antimalarial Afterlives: Medicine for a Planetary Age from Madagascar
… the politics of health and medicine in central Madagascar. Focusing on the island’s Covid-19 response, which revolved around the commercialization of “homegrown” pandemic therapeutics, I examine what made rapid development of “Made in Madagascar” medicines possible over the long durée as well as …
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Searching for Anticancer Agents and Antimalarial Agents from Madagascar
… for biologically active natural products from Madagascar as part of an International Cooperative Biodiversity Group (ICBG) program, a total of four antiproliferative extracts were studied, leading to the isolation of twelve novel compounds with antiproliferative activity against the A2780 human …
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Key informants for peadiatric eye disease case finding in Madagascar
… to large scale surveys and were used in Madagascar in 2014 by four regional eye care programmes. I propose to analyse the data generated from the programmes to quantify the prevalence of eye conditions among children and how the KIs performed. Method: The analysis will use data collected …
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Habitat Requirements and Foraging Ecology of the Madagascar Fish-Eagle
With a population estimate of 99 pairs, the Madagascar fish-eagle (Haliaeetus vociferoides) is one of the rarest birds of prey in the world. I investigated the ecological requirements of the Madagascar fish-eagle in 1994 and 1995 to help determine management action to prevent its extinction. I …
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Isolation and Structure Elucidation of Antiproliferative Natural Products from Madagascar
… the endemic rainforests and surrounding ocean in Madagascar, a total of four extracts were comprehensively studied and were found to contain novel and/or bioactive compounds. The following dissertation discusses the isolation, structure elucidation, and bioactivity studies of these isolates. The …
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Isolation and Structure Elucidation of Antiproliferative Agents From Madagascar Rainforests
… our continuing search for anticancer agents from Madagascar rainforests as a part of International Cooperative Biodiversity Group (ICBG), we received two extracts which were active against the A2780 human ovarian cancer cell line and hence were selected for further fractionation. Six compounds …
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Status and Contribution of Small-scale Fisheries in Menabe, Southwest Madagascar
… for food security, nutrition, and livelihoods in Madagascar, yet remain poorly understood due to chronic data deficiency and underreporting. Madagascar’s dispersed and often mobile coastal communities depend heavily on marine resources particularly the Vezo people, whose nomadic fishing culture …
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Monsoon surges, tropical cyclones and extreme rainfall events in NW Madagascar
Rainfall variability in NW Madagascar and the kinematics and thermodynamics of flood-producing weather systems affecting the region are examined. Daily rainfall in the austral summer are used to select 16 cases for the composite analysis of flood events in the period 1987-1992. In addition two …
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Ecological, Social, And Educational Dimensions Of Restoration: Insights From Berenty Reserve, Madagascar
… loss and climate change. Focusing on Madagascar, a biodiversity hotspot facing significant forest loss, this dissertation explores various aspects of ecological restoration in the Berenty Reserve. It integrates ecological, social, and educational perspectives to provide applied …
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The socioeconomic correlates of HIV/AIDS knowledge and condom use in Madagascar
… related behavior (use of condoms)among women in Madagascar, a country where prevalence remains low but conditions are ripe for a rapid increase in infections. In both rural and urban areas, more educated and wealthier women are more likely to know about means of preventing infection, less likely …
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