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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Phylogeny, Biogeography, and a Taxonomic Revision of Rinorea (Violaceae) from Madagascar and the Comoro Islands

Wahlert, Gregory A. 05 August 2010 (has links)
No description available.
2

Patterns of genetic variation in Mops leucostigma (Molossidae) from Madagascar and the Comoros.

Hoosen, Nikhat. January 2008 (has links)
The synanthropic molossid bat, Mops leucostigma (Allen 1918), is widely distributed across Madagascar and has recently been described from the Comoros. M. leucostigma individuals from eastern Malagasy populations are markedly larger than those from the west, and Mops leucostigma populations from Madagascar are morphologically distinct from populations of its putative sister species, Mops condylurus from mainland Africa (Ratrimomanarivo et al. in press, Genetic diversity was assessed by sequencing the mitochondrial cytochrome b (n = 56) and displacement loop (D-loop) (n = 64) regions of Mops leucostigma individuals from a broad range of locations across Madagascar, and Mohéli and Anjouan in the Comoros. Specimens of Mops condylurus (n =3), Mops midas (n =3) and Otomops martiensseni (n = 1) were included in the study for comparative purposes as outgroups. Phenetic and cladistic analysis of cytochrome b and D-loop sequences strongly supported the reciprocally-monophyletic status of Mops condylurus and M. leucostigma. Comorian (Mohéli and Anjouan) and Malagasy M. leucostigma samples formed a monophyletic Mops leucostigma group, within which Comorian samples formed a poorly-supported subclade in the cytochrome b analysis only. Cytochrome b genetic distances of 13.8 % separated M. midas from M. condylurus and M. leucostigma, which formed reciprocally-monophyletic sister groups separated by genetic distances of 2.5 % for cytochrome b and 13 % for the D-loop. 49 M. leucostigma cytochrome b sequences yielded seven haplotypes, two of which were exclusive to the Comoros. D-loop haplotype analysis did not support the distinctiveness of the Comorian samples. Genetic distances within M. leucostigma samples were low (0.22 % for cytochrome b and 1.91 % for the D-loop). Comorian samples were found to be genetically attributable to M. leucostigma. Clear phylogenetic separation between M. condylurus and M. leucostigma was found in all analyses, consistent with their status as phylogenetic species within the genus Mops. There was no clear correlation between haplotype distribution and aspect (east/west-facing slopes), elevation or gender. Low mtDNA variation (cytochrome b and D-loop) and lack of phylogeographic concordance indicates that the observed morphometric variation between eastern and western Mops leucostigma populations may possibly be explained in terms of adaptation to local environmental conditions. / Thesis (M.Sc.)-Univeristy of KwaZulu-Natal, 2008.
3

Twarab ya Shingazidja: a first approach

Gräbner, Werner 09 August 2012 (has links) (PDF)
Historically the culture of the Comoro Islands shows a strong relationship to the Swahili culture of the East African coast. Archeology, written and oral history have impressively documented these bonds dating back not less than a thousand years. The appearance of so called twarab in the first decades of the 20th Century once more demonstrated the closeness of this cultural imaginary that links the Comoros to the Swahili world, and beyond to include the predominantly Islamic cultures of the Western Indian Ocean. The paper is a first approach to the history of twarab on one island, Ngazidja, until the mid-1960s. It also addresses the question of language use, especially the relationship between East Coast and Comorian varieties of Swahili, and the influence of the Swahili poetic canon on the practice of Ngazidjan poets and singers. The orthography of names and place names follows Comorian conventions. A distinction is made between `twarab` and `taarab`, the former is the Comorian rendering and refers to the Comorian style, while the latter designates the East African Coast or Swahili variant.
4

Twarab ya Shingazidja: a first approach

Gräbner, Werner 09 August 2012 (has links)
Historically the culture of the Comoro Islands shows a strong relationship to the Swahili culture of the East African coast. Archeology, written and oral history have impressively documented these bonds dating back not less than a thousand years. The appearance of so called twarab in the first decades of the 20th Century once more demonstrated the closeness of this cultural imaginary that links the Comoros to the Swahili world, and beyond to include the predominantly Islamic cultures of the Western Indian Ocean. The paper is a first approach to the history of twarab on one island, Ngazidja, until the mid-1960s. It also addresses the question of language use, especially the relationship between East Coast and Comorian varieties of Swahili, and the influence of the Swahili poetic canon on the practice of Ngazidjan poets and singers. The orthography of names and place names follows Comorian conventions. A distinction is made between `twarab` and `taarab`, the former is the Comorian rendering and refers to the Comorian style, while the latter designates the East African Coast or Swahili variant.

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