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Systematic investigation to establish facts or principles concerning a specific scientific subject. (Source: CEDa)
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Displaying results 1001 - 1050 of 2079 record(s) tagged with this keywordClick/tap on any title to see full details of the record
2004. Phylogeny of Extant Penguins Based on Integumentary and Breeding Characters. The Auk 121 (2) 422-434
Website link:http://www.jstor.org/stable/4090406
2004. Phylogenetic relationships of the African bush-shrikes and helmet-shrikes (Passeriformes: Malaconotidae). Molecular Phylogenetics and Evolution
33 (2) 428-439
2004. Structure of an African Red-Billed Hornbill (Tockus erythrorhynchus rufirostris and T. e. damarensis) Hybrid Zone as Revealed by Morphology, Behavior, and Breeding Biology. Auk 121 (2) 565-586
Website link:http://www.jstor.org/stable/4090420
2001. The taxonomic status of the Damaraland Redbilled Hornbill (Tockus erythrorhynchus damarensis).
2002. Characterization and Evolution of the Mitochondrial DNA Control Region in Hornbills (Bucerotiformes). Journal of Molecular Evolution 54 (6) 794-806
2007. Type specimens of birds (Aves) in the Transvaal Museum collection. Annals of the Transvaal Museum 44 67-121
1941. Rare and Extinct Birds in the Collections of the Academy of Natural Sciences of Philadelphia. Proceedings of the Academy of Natural Sciences of Philadelphia 93 281-324
Website link:http://www.jstor.org/stable/4064335
1930. A New Species of Bustard from South Africa. Natural Sciences of Philadelphia 82 427-428
Website link:http://www.jstor.org/stable/4064086
2001. African penguins as predators and prey - coping (or not) with change. South African Journal of Marine Science 23 (1) 435-447
2004. Mass breeding and diet of Red-billed Quelea in the Etosha National Park, Namibia, in 1978. Ostrich: Journal of African Ornithology 75 (1-2) 66-74
1990. Copulation patterns of African marsh harriers: Evaluating the paternity assurance hypothesis. Animal Behaviour 40 (6) 1151–1157
2010. Necks-for-sex or competing browsers? A critique of ideas on the evolution of giraffe. Journal of Zoology 282 (1) 6–12
2008. Lesser Flamingo Phoenicopterus minor populations in eastern and southern Africa are not genetically isolated. Ostrich: Journal of African Ornithology 79 (2) 165-170
2001. Taxonomic status of the Namibian Violet Woodhoopoe Phoeniculus damarensis as determined by mitochondrial DNA. Ibis 143 (4) 572-579
2007. Late Holocene environmental change in the northwestern Namib Desert margin: New fossil pollen evidence from hyrax middens. Palaeogeography, Palaeoclimatology, Palaeoecology
249 (1 - 2) 1 - 17
Downloadable files:
| Attachment | Size |
|---|---|
| Late Holocene environmental change in the northwestern Namib Desert margin_Hyrax_2007.pdf | 1.28 MB |
2006. Flower morphology of the resurrection plant Chamaegigas intrepidus Dinter and some of its potential pollinators. Flora 201 (4) 281 - 286
Website link:http://openagricola.nal.usda.gov/Record/IND43827292
2005. Caloplaca testudinea V. Wirth & Kärnefelt sp. nov. and C. rubelliana (Ach.) Lojka, new to southern Africa. Mycological Progress 4 (4) 299 - 302
2008. Infection of the cones and seeds of Welwitschia mirabilis by Aspergillus niger var. Phoenicis in the Namib-Naukluft Park. South African Journal of Botany 74 (1) 41 - 50
2008. Abnormal morphology of the embryo and seedlings of the Welwitschia mirabilibis, and some observations on seed-associated fungi. South African Journal of Botany 74 338 - 340
2006. Assessing spatio-temporal variations in plant phenology using Fourier analysis on NDVI time series: Results from a dry savannah environment in Namibia. International Journal of Remote Sensing
27 (16) 3455 - 3471
Downloadable files:
| Attachment | Size |
|---|---|
| Assessing spatio_temporal variations in plant phenology using Fourier analysis on NDVI time series.pdf | 563.71 KB |
2006. Arbuscular mycorrhizae from arid parts of Namibia. Journal of Arid Environment 64 (2) 221 - 237
2009. Euphorbia ohiva (Euphorbiaceae), a new species from Namibia and Angola. South African Journal of Botany 75 (2) 249 - 255
2011. Ornithoglossum pulchrum (Colchicaceae: Colchiceae), a new species from southern Namibia. Bothalia 41 (2) 231 - 233
1991. Carbon and nitrogen isotope ratios of misteltoes growing on nitrogen and non-nitrogen fixing hosts and on CAM plants in the Namib desert confirm partial heterotrophy. Oecologia 88 (4) 457 - 462
1991. Estimates of nitrogen fixation by trees on an aridity gradient in Namibia. Oecologia
88 451 - 455
Website link:http://www.jstor.org/pss/4219815
1998. Uptake of amino acids by the aquatic resurrection plant Chamaegigas intrepidus and its implication for N nutrition. Oecologia 117 63 - 69
Website link:http://www.jstor.org/pss/4222134
1953. Distribution of Welwitschia mirabilis. Ameriacan Journal of Botany 40 (4) 280 - 285
Website link:http://www.jstor.org/pss/2438668
2007. New observations of rust fungi (Uredinales) from northern Namibia. Mycological Progress 6 (3) 137 - 150
2006. High levels of genetic variation exist in Aspergillus niger populations infecting Welwitschia mirabilis Hook. Journal of Heredity
97 (3) 270 - 278
Downloadable files:
| Attachment | Size |
|---|---|
| High levels of genetic variation exist in Aspergillus niger populations infecting Welwitschia mirabilis.pdf | 182.24 KB |
2011. Genetic variation among and within provenances of Adansonia digitata L. (Baobab) in seed germination and seedling growth from selected natural populations in Malawi. Agroforestry Systems
2008. Heritability of shoot die-back and root biomass in sixteen Pterocarpus angolensis (Fabaceae) half-sib families from Malawi, Namibia and Zambia. Southern Forests: A Journal of Forest Science 70 (3) 221 - 226
2011. Ack from the brink: Gladiolus halophila (Iridaceae: Crocoideae), a remarkable new species from southern Namibia escapes imminent extinction. South African Journal of Botany 77 (3) 790 - 794
2005. A numerical re-evaluation of the sub-Saharan phytochoria of mainland Africa. Biologiese Skrifter
55 229 - 252
Downloadable files:
| Attachment | Size |
|---|---|
| A numerical re_evaluation of the sub_Saharan phytochoria of mainland Africa.pdf | 971.76 KB |
2005. Domestication potential of Marula (Sclerocarya birrea subsp caffra)in South Africa and Namibia: 1. Phenotypic variation in fruit traits. Agroforestry Systems 64 (1) 25 - 35
Website link:http://eprints.jcu.edu.au/5711/
2003. A First Assessment of Genetic Variation in Welwitschia mirabilis Hook. Journal of Heredity
94 (3) 212 - 217
Downloadable files:
| Attachment | Size |
|---|---|
| A First Assessment of Genetic Variation in Welwitschia mirabilis.pdf | 172.23 KB |
2000. Urea: A nitrogen source for the aquatic resurrection plant Chamaegigas intrepidus Dinter. Oecologia
123 9 - 14
Website link:http://www.jstor.org/pss/4222586
2004. Climatic signals in tree rings of Burkea africana and Pterocarpus angolensis from semiarid forests in Namibia. Trees - Structure and Function
18 (4) 442 - 451
Downloadable files:
| Attachment | Size |
|---|---|
| Climatic signals in tree rings of Burkea africana and Pterocarpus angolensis from semiarid forests in Namibia.pdf | 473.4 KB |
1997. Flora of the Pro-Namib Desert Swakop River catchment, Namibia: Community classification and implications for desert vegetation sampling. Journal of Arid Environments 36 (2) 271 - 290
2001. Succulent Karoo (AT1322).
Agricultural Scientific Society of Namibia (AGRISSON) - Presentations at AGRISSON Congresses. AGRISSON Congresses
Website link:http://www.agrisson.iway.na/congresses.htm
2012. Nclusion of the Cape genus Anisothrix in the Namibian-centred genus Pentatrichia (Asteraceae, Gnaphalieae) based on a molecular phylogenetic analysis. South African Journal of Botany
78 2 - 11
Downloadable files:
| Attachment | Size |
|---|---|
| Inclusion of the Cape genus Anisothrix in the Namibian_centred genus Pentatrichia.pdf | 471.4 KB |