science

The study of the physical universe and its contents by means of reproducible observations, measurements, and experiments to establish, verify, or modify general laws to explain its nature and behaviour. (Source: UVAROV)



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Displaying results 1 - 38 of 38 record(s) tagged with this keywordClick/tap on any title to see full details of the record
Villacastin-Herrero CA, Underhill LG, Crawford RJM, Shannon LV 1996. Sea-surface temperature of oceans surrounding subequatorial Africa - seasonal patterns, spatial coherence and long-term trends. South Africa Journal of Science 92 189-197
Crawford RJM, Siegfried WR, Shannon LV, Villacastin-Herrero CA, Underhill LG 1990. Environmental-influences on marine biota off southern Africa. South Africa Journal of Science 86 330-339
Crawford RJM, Shelton PA, Berruti A 1983. Cape Cormorants as potential indicators of pelagic fish stocks off southern Africa. South Africa Journal of Science 79 466-468
Shannon LV, Crawford RJM, Duffy DC 1984. Pelagic fisheries and warm events - a comparative study. South Africa Journal of Science 80 51-60
Macdonald IAW, Crawford RJM, Siegfried WR, Huntley BJ 1988. Long-term environmental-change in and around southern Africa. South Africa Journal of Science 84 483-486
Harrison JA 1987. The Southern African Bird Atlas Project. South African Journal of Science 83 400 – 401
Harrison JA 1992. The Southern African Bird Atlas Project: five years of growth. South Africa Journal of Science 88 410-413
Louw GN 1971. Water economy of certain Namib Desert animals. South African Journal of Science 67 (3) 119 - 123
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Water economy of certain Namib Desert animals.pdf 1.03 MB
Liebenberg L, //Ao /A, Lombard M, Shermer M, Xhukwe /U, Biesele M, //XAO D, Carruthers P, Kxao ≠O, Hansson SO, Langwane HK, Elbroch LM, /Ui N, Keeping D, Humphrey G, Newman G, G/ aq’o /U, Steventon J, Kashe N, Stevenson R, Benadie K, du Plessis P, Minye J, Kxunta /U, Ludwig B, Daqm ≠O, Louw M, Debe D, Voysey M 2021. Tracking Science: An alternative for those excluded by Citizen Science. Citizen Science: Theory and Practice 6 (1) 1–16
Frigerio D, Pipek P, Kimmig S, Winter S, Melzheimer J, Diblíkova L, Wachter B, Richter A 2017. Citizen science and wildlife biology: Synergies and challenges. Ethology 124 365-377
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Citizen science and wildlife biology_Synergies and challenges.pdf 342.99 KB
Ministry of Higher Education, Technology and Innovation 2021. Namibia space science and technology Policy, 2021.
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Namibia space science and technology Policy 2021.pdf 2.35 MB
Leptich DJ 1994. Agricultural-development and its influence on raptors in southern Idaho. Northwest Science 68 (3) 167-171
Crawford RJM, Williams AJ, Hofmeyr JH, Klages NTW, Randall RM, Cooper J, Dyer BM, Chesselet Y 1995. Trends of African Penguin Spheniscus demersus populations in the 20th-century. South African Journal of Marine Science 16 (1) 101-118
Harrison JA, Allan DG, Underhill LG, Oatley TB 1996. The avian demography unit - tracking bird populations in a changing South Africa. South African Journal of Science 92 14 – 16
Crawford RJM, Dyer BM, Brown PC 1995. Absence of breeding by African Penguins at 4 former colonies. South African Journal of Marine Science 15 269-272
Rae CMD, Boyd AJ, Crawford RJM 1992. Predation of anchovy by an Agulhas ring - a possible contributory cause of the very poor year-class of 1989. South African Journal of Marine Science 12 167-173
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Predation of anchovy by an Agulhas ring.pdf 739.3 KB
Shannon LV, Crawford RJM, Pollock DE, Hutchings L, Boyd AJ, Taunton-Clark J, Badenhorst A, Melville-Smith R, Augustyn CJ, Kochrane KL, Hampton I, Nelson G, Japp DW, Tarr RJQ 1992. The 1980s - a decade of change in the Benguela ecosystem. South African Journal of Marine Science 12 271 – 296
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The 1980s_a decade of change in the Benguela ecosystem.pdf 2.79 MB
Crawford RJM, Underhill LG, Raubenheimer CM, Dyer BM, Martin J 1992. Top predators in the Benguela ecosystem - implications of their trophic position. South African Journal of Marine Science 12 (1) 675-687
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Top predators in the Benguela ecosystem.pdf 1.29 MB
Crawford RJM, Underhill LG, Venter JD 1990. Handline catches and stock identity of Snoek Thyrsites atun off South Africa and Namibia. South African Journal of Marine Science 9 95-99
Crawford RJM, de Villiers G 1985. Snoek and their prey - interrelationships in the Benguela upwelling system. South African Journal of Science 81 91 – 97
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Snoek and their prey.pdf 960.8 KB
Crawford RJM, Cruickshank RA, Shelton PA, Kruger I 1985. Partitioning of a goby resource amongst four avian predators and evidence for altered trophic flow in the pelagic community of an intense perennial upwelling system. South African Journal of Science 3 (1) 215–228
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Partitioning of a goby resource amongst 4 avian predators.pdf 1.13 MB
Lluchbelda D, Crawford RJM, Tawasaki T, MacCall AD, Parrish RH, Schwartzlose RA, Smith PE 1989. Worldwide fluctuations of sardine and anchovy stocks - the regime problem. South African Journal of Marine Science 8 195 – 205
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Worldwide fluctuations of sardine and anchovy stocks.pdf 815.57 KB
U.S. Department of the Interior 2008. Imagery for Everyone: Timeline Set to Release Entire USGS Landsat Archive at No Charge.
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USGS.pdf 66.86 KB