Biogeography and ecology of African waterbirds

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dc.contributor.advisorCrowe, Timothy Men_ZA
dc.contributor.authorGuillet, Alfredoen_ZA
dc.date.accessioned2016-09-20T12:29:41Z
dc.date.available2016-09-20T12:29:41Z
dc.date.issued1986en_ZA
dc.descriptionBibliography: pages 192-208.en_ZA
dc.description.abstractPatterns of distribution and diversity for African waterbirds are investigated at the continental, sub-continental, ecosystem and species levels. The focal species is the Great White Pelican Pelecanus onocrotalus, one of South Africa's 'Red Data' bird species. The 'focal' ecosystem is Rondevlei Bird Sanctuary (34°'04'S, 18°30'E), one of the few conserved areas in Africa set aside especially for waterbirds. Biogeographically, waterbirds partition Africa much more coarsely (into 8 vs 18 avifaunal zones) than do non-aquatic birds. Waterbird species diversity (number of species) and endemism are higher outside the tropics, and exhibit longitudinal gradients, with higher diversity in the east. Non-aquatic bird diversity is higher in the tropics and varies latitudinally. Spatia-temporal variation in habitat availability and quality are the primary factors which control waterbird distribution, and the dynamic nature of waterbird dispersion is an adaptation to dramatically fluctuating habitats. About 69% o£ the variance in African waterbird species diversity can be explained in terms of present-day environmental variation. Part of the unexplained variance is attributed to the effects of historical factors, with areas of unexpectedly high species possibly acting as refugia during dry climatic phases.en_ZA
dc.identifier.apacitationGuillet, A. (1986). <i>Biogeography and ecology of African waterbirds</i>. (Thesis). University of Cape Town ,Faculty of Science ,Percy FitzPatrick Institute of African Ornithology. Retrieved from http://hdl.handle.net/11427/21812en_ZA
dc.identifier.chicagocitationGuillet, Alfredo. <i>"Biogeography and ecology of African waterbirds."</i> Thesis., University of Cape Town ,Faculty of Science ,Percy FitzPatrick Institute of African Ornithology, 1986. http://hdl.handle.net/11427/21812en_ZA
dc.identifier.citationGuillet, A. 1986. Biogeography and ecology of African waterbirds. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Guillet, Alfredo AB - Patterns of distribution and diversity for African waterbirds are investigated at the continental, sub-continental, ecosystem and species levels. The focal species is the Great White Pelican Pelecanus onocrotalus, one of South Africa's 'Red Data' bird species. The 'focal' ecosystem is Rondevlei Bird Sanctuary (34°'04'S, 18°30'E), one of the few conserved areas in Africa set aside especially for waterbirds. Biogeographically, waterbirds partition Africa much more coarsely (into 8 vs 18 avifaunal zones) than do non-aquatic birds. Waterbird species diversity (number of species) and endemism are higher outside the tropics, and exhibit longitudinal gradients, with higher diversity in the east. Non-aquatic bird diversity is higher in the tropics and varies latitudinally. Spatia-temporal variation in habitat availability and quality are the primary factors which control waterbird distribution, and the dynamic nature of waterbird dispersion is an adaptation to dramatically fluctuating habitats. About 69% o£ the variance in African waterbird species diversity can be explained in terms of present-day environmental variation. Part of the unexplained variance is attributed to the effects of historical factors, with areas of unexpectedly high species possibly acting as refugia during dry climatic phases. DA - 1986 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 1986 T1 - Biogeography and ecology of African waterbirds TI - Biogeography and ecology of African waterbirds UR - http://hdl.handle.net/11427/21812 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/21812
dc.identifier.vancouvercitationGuillet A. Biogeography and ecology of African waterbirds. [Thesis]. University of Cape Town ,Faculty of Science ,Percy FitzPatrick Institute of African Ornithology, 1986 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/21812en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentPercy FitzPatrick Institute of African Ornithologyen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherOrnithologyen_ZA
dc.titleBiogeography and ecology of African waterbirdsen_ZA
dc.typeDoctoral Thesis
dc.type.qualificationlevelDoctoral
dc.type.qualificationnamePhDen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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