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Systematic investigation to establish facts or principles concerning a specific scientific subject. (Source: CEDa)
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Displaying results 501 - 550 of 2079 record(s) tagged with this keywordClick/tap on any title to see full details of the record
2011. Desert landscape processes on a timescale of millions of years, probed by cosmogenic nuclides. Aeolian Research 3 (2) 157-164
2011. Desert geophytes under dew and fog: The "curly-whirlies" of Namaqualand (South Africa). Flora-Morphology, Distribution, Functional Ecology of Plants 206 (1) 3-31
2014. Exceptional preservation of children's footprints from a Holocene footprint site in Namibia. Journal of African Earth Sciences
97 331-341
1987. Thermal responses and temperature tolerance of a dessert* ant-lion larva. Journal of Thermal Biology
12 (4) 295-300
1968. Water economy of the stark's lark and grey-backed finch-lark from the Namib Desert of South West Africa. Comparative Biochemistry and Physiology 27 (3) 723-745
2010. The role of rare rainstorms in the formation of calcic soil horizons on alluvial surfaces in extreme deserts. Quaternary Research
74 (2) 177-178
1991. Sperm competition in the Namib Desert beetle, Onymacris unguicularis. Journal of Insect Physiology 37 (1) 7-8
1998. Die Wurzel, das neue Organ, ihre Bedeutung fur das Leben von Welwitschia mirabilis und anderer Arten der Namib sowie von Arten angrenzender Gebiete. Journal of Plant Physiology 153 (1-2) 264
1993. Age identification of a Namib desert tenebrionid beetle. Journal of Arid Environments 24 (2) 211-214
1988. Behavioural fever in a Namib Desert tenebrionid beetle, Onymacris plana. Journal of Insect Physiology
34 (4) 279-284
1995. The Namib Col Current. Deep Sea Research Part I: Oceanographic Research Papers
42 (11-12) 1933-1950
2004. Climate variability at the southern boundaries of the Namib (southwestern Africa) and Atacama (northern Chile) coastal deserts during the last 120,000 yr. Quaternary Research 62 (3) 301-309
1998. New avian remains from the Neogene of the Sperrgebiet (Namibia): Refinement of the avian biostratigraphy of Namib Desert aeolianites. Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science
327 (9) 639-644
2001. Late Neogene passive margin denudation history—cosmogenic isotope measurements from the central Namib desert. Global and Planetary Change
30 (3-4) 271-307
1995. Secondary growth and wood histology of Welwitschia. Botanical Journal of the Linnean Society 118 (2) 107-121
2004. Morphogenesis of the reproductive shoots of Welwitschia mirabilis and Ephedra distachya (Gnetales), and its evolutionary implications. Organisms Diversity and Evolution 4 (1-2) 91-108
1984. Haemolymph composition in Namib Desert tenebrionid beetles. Comparative Biochemistry and Physiology Part A: Physiology 78 (3) 541-545
1980. Water balance and osmoregulation in Onymacris plana, a tenebrionid beetle from the Namib desert. Journal of Insect Physiology
26 (5) 315-320
2006. Southwestern Africa: Northern Benguela Current Region. Marine Pollution Bulletin 41 (1-6) 123-140
2012. Biome specificity of distinct genetic lineages within the four-striped mouse Rhabdomys pumilio (Rodentia: Muridae) from southern Africa with implications for taxonomy. Molecular Phylogenetics and Evolution
65 (1) 75-78
2012. A taxonomic revision of Pentzia (Asteraceae>, Anthemideae) I: the P. incana group in southern Africa, including the description of the new species P. oppositifolia Magee. South African Journal of Botany
79 148-158
2014. The genus Distephanus (Asteraceae: Vernonieae) in southern Africa. South African Journal of Botany 94 238-248
2014. Evolution of the Stapeliads (Apocynaceae–Asclepiadoideae) – repeated major radiation across Africa in an Old World group. Molecular Phylogenetics and Evolution 77 251-263
2009. Area selection for diamonds using magnetotellurics: Examples from southern Africa. Lithos
112 (1) 83-92
2009. A taxonomic revision of the genus Pentatrichia (Asteraceae). South African Journal of Botany 75 (1) 153-164
1991. Time of emplacement and metamorphism of Late Precambrian mafic dykes associated with the Pan-African Gariep orogeny, Southern Africa: implications for the age of the Nama Group. Journal of African Earth Sciences (and the Middle East)
13 (3-4) 531-541
2012. A flood pulse driven fish population model for the Okavango Delta, Botswana. Ecological Modelling 228 27-38
2007. Potential vulnerability of Namaqualand plant diversity to anthropogenic climate change. Journal of Arid Environments
70 (4) 615-628
Downloadable files:
| Attachment | Size |
|---|---|
| Potential vulnerability of Namaqualand plant diversity to anthropogenic climate change.pdf | 5.34 MB |
2003. Late Pleistocene wetting and drying in the NW Kalahari: an integrated study from the Tsodilo Hills, Botswana. Quaternary International 104 (1) 53-67
2003. Emissions of trace gases and particles from two ships in the southern Atlantic Ocean. Atmospheric Environment
37 (15) 2139-2148
2005. High differentiation among populations of the woody legume Sesbania sesban in sub-Saharan Africa: Implications for conservation and cultivation during germplasm introduction into agroforestry systems. Forest Ecology and Management 210 (1-3) 225-238
2011. Baobab (Adansonia digitata L.) fruit production in communal and conservation land-use types in Southern Africa. Forest Ecology and Management
261 (3) 630-639
Downloadable files:
| Attachment | Size |
|---|---|
| Baobab fruit production in communal and conservation land_use types in Southern Africa.pdf | 689.31 KB |
2012. Preliminary results of excavations at Spitzkloof Rockshelter, Richtersveld, South Africa. Quaternary International
270 30-39
Downloadable files:
| Attachment | Size |
|---|---|
| Preliminary results of excavations at Spitzkloof Rockshelter.pdf | 1.07 MB |
1995. Trans-Atlantic correlation of eruptive sequences and individual silicic volcanic units within the Paraná-Etendeka igneous province. Journal of Volcanology and Geothermal Research
69 (3-4) 137-157
2012. Schmidingerothrix extraordinaria nov. gen., nov. spec., a secondarily oligomerized hypotrich (Ciliophora, Hypotricha, Schmidingerotrichidae nov. fam.) from hypersaline soils of Africa. European Journal of Protistology
48 (3) 237-251
2001. Cross-front hydrography and fish larval distribution at the Angola-Benguela Frontal Zone. Journal of Marine Systems
28 (1-2) 91-111
2014. Crustal evolution of the Rehoboth Province from Archaean to Mesoproterozoic times: Insights from the Rehoboth Basement Inlier. Precambrian Research 240 22-36
2009. Neoproterozoic to Cambrian Palaeoclimatic Events in Southwestern Gondwana. Developments in Precambrian Geology 16 369-388
2012. Comparison of the thermal performance between a population of the olive fruit fly and its co-adapted parasitoids. Biological Control
60 (3) 247-254
2013. The circulation dynamics associated with a northern Benguela upwelling filament during October 2010. Continental Shelf Research
63 59-68
2009. Palaeoecology of late Early Miocene fauna in the Namib based on 13C/12C and 18O/16O ratios of tooth enamel and ratite eggshell carbonate. Palaeogeography, Palaeoclimatology, Palaeoecology
277 (3-4) 191-198
2014. The formation of the Namib Sand Sea inferred from the spatial pattern of magnetic rock fragments. Earth and Planetary Science Letters 395 168-172
2004. Pleistocene fluctuations in the northern Benguela Current system as revealed by coccolith assemblages. Marine Micropaleontology
52 (1-4) 195-215
2006. Middle to late Miocene fluctuations in the incipient Benguela Upwelling System revealed by calcareous nannofossil assemblages (ODP Site 1085A). Palaeogeography, Palaeoclimatology, Palaeoecology
230 (3-4) 319-334
2007. Spatial and temporal distribution of cyanobacterial soil crusts in the Kalahari: Implications for soil surface properties. Geomorphology 85 (1-2) 17-29
2011. Species, functional groups and community structure in seed banks of the arid Nama Karoo: Grazing impacts and implications for rangeland restoration. Agriculture, Ecosystems and Environment 141 (3-4) 399-409
2011. Constraints on the depth and thermal history of cratonic lithosphere from peridotite xenoliths, xenocrysts and seismology. Lithos 125 (1-2) 729-742
2003. Geochronology of basement rocks in the Kalahari Desert, Botswana, and implications for regional Proterozoic tectonics. Precambrian Research 121 (1-2) 47-71