Orbital scale vegetation change in Africa

Quaternary Science Reviews

Volumn 30, Issue 25-26, 2011, Pages 3589-3602

  Dupont, Lydie ^a  

^a UNIVERSITY OF BREMEN   (Germany)

Author keywords

Africa; Marine sediments; Pleistocene; Pollen; Vegetation history

Indexed keywords

AFRICA; MARINE SEDIMENTS; PLEISTOCENE; POLLEN; VEGETATION HISTORY;

ANOXIC SEDIMENTS; FORESTRY; GLACIAL GEOLOGY; LANDFORMS; SEDIMENTOLOGY; SUBMARINE GEOLOGY; VEGETATION;

CLIMATE CHANGE;

BIOME; CLIMATE CYCLE; FOREST ECOSYSTEM; GEOACCUMULATION; GLACIAL-INTERGLACIAL CYCLE; LATITUDE; MARINE SEDIMENT; MOUNTAIN ENVIRONMENT; PALEOENVIRONMENT; PALYNOLOGY; PLEISTOCENE; POLLEN; RAINFOREST; SPORE; TRANSPORTATION; VEGETATION COVER; VEGETATION HISTORY;

AFRICA; CLIMATES; GEOLOGY; HISTORY; PLANTS; POLLEN; SEDIMENTS;

SAHARA;

BACTERIA (MICROORGANISMS);

EID: 80855156339     PISSN: 02773791     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.quascirev.2011.09.019     Document Type: Review

References (108)

1. Agwu C.O.C., Beug H.-J. Palynological studies of marine sediments off the West African coast. Meteor. Forsh. Ergebnisse. 1982, 36(C):1-30.
2. Beentje H. Kenya Trees, Shrubs and Lianas 1994, National Museum of Kenya, Nairobi.
3. Berger A., Loutre M.F. Insolation values for the climate of the last 10 million years. Quaternary Science Reviews 1991, 10:297-317.
4. Beuning K.R.M., Zimmerman K.A., Ivory S.J., Cohen A.S. Vegetation response to glacial-interglacial climate variability near Lake Malawi in the southern African tropics. Palaeogeography Palaeoclimatology Palaeoecology 2011, 303:81-92.
5. Bonnefille R., Riollet G. The Kashiru pollen sequence (Burundi). Palaeoclimatic implications for the last 40,000 yr. B.P. in tropical Africa. Quaternary Research 1988, 30:19-35.
6. Bonnefille R., Hamilton A.C., Linder H.P., Riollet G. 30,000-year old fossil Restionaceae pollen from central equatorial Africa and its biogeographical significance. Journal of Biogeography 1990, 17:307-314.
7. Brook G.A., Scott L., Railsback L.B., Goddard E.A. A 35 ka pollen and isotope record of environmental change along the southern margin of the Kalahari from a stalagmite and animal dung deposits in Wonderwerk Cave, South Africa. Journal of Arid Environments 2010, 74:870-884.
8. Chase B. South African palaeoenvironments during marine oxygen isotope stage 4: a context for the Howiesons Poort and Still Bay industries. Journal of Archaeological Science 2010, 37:1359-1366.
9. Chase B.M., Meadows M.E., Carr A.S., Reimer P.J. Evidence for progressive Holocene aridification in southern Africa recorded in Namibian hyrax middens: implications for African monsoon dynamics and the 'African humid period'. Quaternary Research 2010, 74:36-45.
10. Clemens S.C., Murray D., Prell W. Nonstrationary physe of the Plio-Pleistocene Asian monsoon. Science 1996, 274:943-948.
11. 18O and the evolution of Indo-Asian monsoons. Palaeoceanography 2008, 23(PA4210):1-15.
12. 18O. Palaeoceanography 2010, 25(PA4207):1-19.
13. Clement A.C., Hall A., Brocoli A.J. The importance of precessional signals in the tropical climate. Climate Dynamics 2004, 22:327-341.
14. Coates Palgrave K. Trees of Southern Africa 2002, Revised and Updated Struik, Cape Town. third ed.
15. Coetzee J.A. Pollen analytical studies in east and southern Africa. Palaeoecology of Africa 1967, 3:1-146.
16. Cohen A.S., Stone J.R., Beuning K.R.M., Park L.E., Reinthal P.N., Dettman D., Scholz C.A., Johnson T.C., King J.W., Talbot M.R., Brown E.T., Ivory S.J. Ecological consequences of early Late Pleistocene megadroughts in tropical Africa. PNAS 2007, 104:16422-16427.
17. Dupont L.M. Vegetation zones in NW Africa during the Brunhes Chron reconstructed from marine palynological data. Quaternary Science Reviews 1993, 12:189-202.
18. Dupont L.M. Pollen and Spores in Marine Sediments from the East Atlantic. A View from the Ocean into the African Continent. Proxies in Paleoceanography Examples from the South Atlantic 1999, 523-546. Springer, Berlin. G. Fischer, G. Wefer (Eds.).
19. Dupont L.M., Agwu C.O.C. Environmental control of pollen grain distribution patterns in the Gulf of Guinea and offshore NW-Africa. Geologische Rundschau 1991, 80:567-589.
20. Dupont L.M., Agwu C.O.C. Latitudinal shifts of forest and savanna in N.W. Africa during the Brunhes chron: further marine palynological results from site M 16,145 (9 °N 19 °W). Vegetation History and Archaeobotany 1992, 1:163-175.
21. Dupont L.M., Weinelt M. Vegetation history of the savanna corridor between the Guinean and the Congolian rain forest during the last 150,000 years. Vegetation History and Archaeobotany 1996, 5:273-292.
22. Dupont L.M., Wyputta U. Reconstructing pathways of aeolian pollen transport to the marine sediments along the coastline of SW Africa. Quaternary Science Reviews 2003, 22:157-174.
23. Dupont L.M., Beug H.-J., Stalling H., Tiedemann R. First palynological results from ODP Site 658 at 21 °N west off Africa: pollen as climate indicators. Proceedings Ocean Drilling Program Scientific Results 1989, vol. 108:93-111. W.F. Ruddiman, M. Sarnthein (Eds.).
24. Dupont L.M., Shi N., Jahns S., Marret F. Podocarpus in west Africa during the late Pleistocene. Palaeoecology of Africa 1996, 24:85-101.
25. Dupont L.M., Marret F., Winn K. Land-sea correlation by means of terrestrial and marine palynomorphs from the equatorial east Atlantic: phasing of SE trade winds and the oceanic productivity. Palaeogeography, Palaeoclimatology, Palaeoecology 1998, 142:51-84.
26. Dupont L.M., Schmüser A., Jahns S., Schneider R. Marine-terrestrial interaction of climate changes in West Equatorial Africa of the last 190,000 years. Palaeoecology of Africa 1999, 26:61-84.
27. Dupont L.M., Behling H., Jahns S., Marret F., Kim J.-H. Variability in glacial and Holocene marine pollen records offshore from west southern Africa. Vegetation History and Archaeobotany 2007, 16:87-100.
28. Dupont L.M., Behling H., Kim J.-H. Thirty thousand years of vegetation development and climate change in Angola (Ocean Drilling Program Site 1078). Climate of the Past 2008, 4:107-124.
29. Dupont L.M., Linder H.P., Rommerskirchen F., Schefuß E. Climate-driven rampant speciation of the Cape flora. Journal of Biogeography 2011, 38:1059-1068.
30. Dupont, L.M., Caley, T., Kim, J.-H., Castaneda, I., Malaizé, B., Giraudeau, J., in press. Glacial-interglacial vegetation dynamics in south eastern Africa depend on sea surface temperature variations in the west Indian Ocean. Climate of the Past.
31. Elenga H., Schwartz D., Vincens A. Pollen evidence of late Quaternary vegetation and inferred climate changes in Congo. Palaeogeography Palaeoclimatology Palaeoecology 1994, 109:345-356.
32. Elenga H., Peyron O., Bonnefille R., Jolly D., Cheddadi R., Guiot J., Andrieu V., Bottema S., Buchet G., De Beaulieu J.-L., Hamilton A.C., Maley J., Marchant R., Perez-Obiol R., Reille M., Riollet G., Scott L., Straka H., Taylor D., Van Campo E., Vincens A., Laarif F., Jonson H. Pollen-based biome reconstruction for southern Europe and Africa 18,000 yr BP. Journal of Biogeography 2000, 27:621-634.
33. Emerson S., Hedges J.I. Processes controlling the organic carbon content of open ocean sediments. Paleoceanography 1988, 3:621-635.
34. Faegri K., Kaland P.E., Krzywinsky K. Text Book of Pollen Analysis by Knut Faegri and Johs 1989, John Wiley and Sons, Chichester. fourth ed. Iversen (Ed.).
35. Fischer G., Karakas G., Blaas M., Ratmeyer V., Nowald N., Schlitzer R., Helmke P., Davenport R., Donner B., Neuer S., Wefer G. Mineral balast and particle settling rates in the coastal upwelling system off NW Africa and the South Atlantic. International Journal of Earth Sciences 2009, 98:281-298.
36. Gajewski K., Lézine A.-M., Vincens A., Delestan A., Sawada M., African Pollen Database Modern climate-vegetation-pollen relations in Africa and adjacent areas. Quaternary Science Reviews 2002, 21:1611-1631.
37. Gasse F., Van Campo E. Late Quaternary environmental changes from a pollen and diatom record in the southern tropics (Lake Tritrivakely, Madagascar). Palaeogeography Palaeoclimatology Palaeoecology 2001, 167:287-308.
38. Gasse F., Chalié F., Vincens A., Williams M.A.J., Williamson D. Climatic patterns in equatorial and southern Africa from 30,000 to 10,000 years ago reconstructed from terrestrial and near-shore proxy data. Quaternary Science Reviews 2008, 27:2316-2340.
39. Hartnett H.E., Keil R.G., Hedges J.I., Devol A.H. Influence of oxygen exposure time on organic carbon preservation in continental margin sediments. Nature 1998, 391:572-574.
40. Hooghiemstra H. Palynological records from northwest African marine sediments: a general outline of the interpretation of the pollen signal. Philosophical Transactions of the Royal Society of London B 1988, 318:431-449.
41. Hooghiemstra H., Agwu C.O.C., Beug H.-J. Pollen and spore distribution in recent marine sediments: a record of NW-African seasonal wind patterns and vegetation belts. Meteor. Forsch. Ergebnisse 1986, 40(C):87-135.
42. Hooghiemstra H., Bechler A., Beug H.-J. Isopollen maps for 18,000 yr BP of the Atlantic offshore of Northwest Africa: evidence for palaeo-wind circulation. Paleoceanography 1987, 2:561-582.
43. Hooghiemstra H., Stalling H., Agwu C.O.C., Dupont L.M. Vegetational an climatic changes at the northern fringe of the Sahara 250,000-5000 years BP: evidence from 4 marine pollen records located between Portugal and the Canary Islands. Review of Palaeobotany and Palynology 1992, 74:1-53.
44. Hooghiemstra H., Lézine A.-M., Leroy S.A.G., Dupont L., Marret F. Late Quaternary palynology in marine sediments: a synthesis of the understanding of pollen distribution patterns in the NW African setting. Quaternary International 2006, 148:29-44.
45. Huybers P. Glacial variability over the last two million years: an extended depth-derived agemodel, continuous obliquity pacing, and the Pleistocene progression. Quaternary Science Reviews 2007, 26:37-55.
46. Jacobs Z., Roberts R.G., Galbraith R.F., Deacon H.J., Grün R., Mackay A., Mitchell P., Vogelsang R., Wadley L. Ages for the middle Stone age of southern Africa: implications for human behavior and dispersal. Science 2008, 322:733-735.
47. Jahns S. Vegetation history and climate changes in West Equatorial Africa during the Late Pleistocene and Holocene, based on a marine pollen diagram from the Congo fan. Vegetation History and Archaeobotany 1996, 5:207-213.
48. Jahns S., Hüls M., Sarnthein M. Vegetation and climate history of west equatorial Africa based on a marine pollen record off Liberia (site GIK 16776) covering the last 400,000 years. Review of Palaeobotany and Palynology 1998, 102:277-288.
49. Jolly D., Prentice I.C., Bonnefille R., Ballouche A., Bengo M., Brenac P., Buchet G., Burney D., Cazet J.P., Cheddadi R., Edorh T., Elenga H., Elmoutaki S., Guiot J., Laarif F., Lamb H., Lézine A.-M., Maley J., Mbenza M., Peyron O., Reille M., Reynaud-Farrera I., Riollet G. Biome reconstruction from pollen and plant macrofossil data for Africa and the Arabian peninsula at 0 and 6 ka. Journal of Biogeography 1998, 25:1007-1027.
50. Keil R.G., Hu Feng Sheng, Tsamakis E., Hedges J.I. Pollen in marine sediments as an indicator of oxidation of organic matter. Nature 1994, 369:639-641.
51. Kim J.-H., Dupont L.M., Behling H., Versteegh G.J.M. Impacts of rapid sea-level rise on mangrove deposit erosion: application of taraxerol and Rhizophora records. Journal of Quaternary Science 2005, 20:221-225.
52. Kutzbach J.E., Street-Perrott F.A. Milankovitch forcing of fluctuations in the level of tropical lakes from 18 to 0 kyr BP. Nature 1985, 317:130-134.
53. Laepple T., Lohmann G. Seasonal cycle as template for climate variability on astronomical timescales. Paeoceanography 2009, 24(PA4201):1-15.
54. Laskar J., Robutel P., Joutel F., Gastineau M., Correia A.C.M., Levrard B. A long-term numerical solution for the insolation quantities of the Earth. Astronomy and Astrophysics 2004, 428:261-285.
55. Lézine A.-M. West African paleoclimates during the last climatic cycle inferred from an Atlantic Deep-Sea Pollen record. Quaternary Research 1991, 35:456-463.
56. Lézine A.-M., Casanova J. Correlated oceanic and continental records demonstrate past climate and hydrology of North Africa (0-140 ka). Geology 1991, 19:307-310.
57. Lézine A.-M., Cazet J.-P. High-resolution pollen record from core KW31, Gulf of Guinea, documents the history of the lowland forests of West Equatorial Africa since 40,000 yr ago. Quaternary Research 2005, 64:432-443.
58. Lézine A.-M., Denèfle M. Enhanced anticyclonic circulation in the Eastern North Atlantic during cold intervals of the last deglaciation inferred from deep-sea pollen records. Geology 1997, 25:119-122.
59. Lézine A.-M., Vergnaud-Grazzini C. Evidence of forest extension in West-Africa since 22,000 BP: a pollen record from eastern tropical Atlantic. Quaternary Science Reviews 1993, 12:203-210.
60. Lézine A.-M., Tastet J.P., Leroux M. Evidence of forest atmospheric paleocirculation over the Gulf of Guinea since the last glacial maximum. Quaternary Research 1994, 41:390-395.
61. Lézine A.-M., Turon J.-L., Buchet G. Pollen analyses of Senegal: evolution of the coastal palaeoenvironment during the last deglaciation. Journal of Quaternary Science 1995, 10:95-105.
62. Lebamba J., Ngomanda A., Vincens A., Jolly D., Favier C., Elenga H., Bentaleb I. Central African biomes and forest succession stages derived from modern pollen data and plant functional types. Climate of the Past 2009, 5:403-429.
63. Lee S.-Y., Poulsen C.J. Tropical Pacific climate response to obliquity forcing in the Pleistocene. Paleoceanography 2005, 20(PA4010):1-10.
64. Linder H.P., Eldenäs P., Briggs B.G. Constrasting patterns of radiation in African and Australian Restionaceae. Evolution 2003, 57:2688-2702.
65. 18O records. Paleoceanography 2005, 20(PA1003):1-17.
66. Maley J. The African rain forest vegetation and palaeoenvironments during late Quarternary. Climatic Change 1991, 19:79-98.
67. Maley J., Brenac P. Vegetation dynamics, palaeoenvironments and climatic changes in the forests of western Cameroon during the last 28,000 years B.P. Review of Palaeobotany and Palynology 1998, 99:157-187.
68. Marean C.W., Bar-Matthews M., Bernatchez J., Fischer E., Goldberg P., Herries A.I.R., Jacobs Z., Jerardino A., Karkanas P., Minichillo T., Nilssen P.J., Thompson E., Watts I., Williams H.M. Early human use of marine resources and pigment in South Africa during the Middle Pleistocene. Nature 2007, 449:905-908.
69. Marret, F., 1994. Evolution paléoclimatique et paléhydrologique de l'Atanique est-equatoriale et du proche continent au quaternaire terminal. Contribution palynologique (Kystes des dinoflagellés, pollen et spores). Thése, Université Bordeaux I, Bordeaux.
70. Marret F., Scourse J., Jansen J.H.F., Schneider R. Changements climatiques et paléocéanographiques en Afrique centrale atlantique au cours de la dernière déglation: contribution palynologique. Comptes Rendus de l' Académie des Sciences Paris. IIA Sciences de la terre et des planètes 1999, 329:721-726.
71. Meadows M.E., Rogers J., Lee-Thorp J.A., Bateman M.D., Dingle R.V. Holocene geochronology of a continental-shelf mudbelt off southwestern Africa. The Holocene 2002, 12:59-67.
72. Morrison M.E.S. Vegetation and climate in the uplands of south-western Uganda during the later Pleistocene period. Journal of Ecology 1968, 56:363-384.
73. Paillard D., Labeyrie L., Yiou P. Macintosh program performs time-series analysis. EOS Transactions AGU 1996, 77:379.
74. Ratmeyer V., Balzer W., Begametti G., Chiapello I., Fischer G., Wyputta U. Seasonal impact of mineral dust on deep-ocean particle flux in the eastern subtropical Atlantic Ocean. Marine Geology 1999, 159:241-252.
75. Raymo M.E., Nisancioglu K. The 41 kyr world: milankovitch's other unsolved mystery. Paleoceanography 2003, 18(1011):1-6.
76. 13C land plant biomarker and pollen records from Southeast Atlantic continental margin sediments. Geochemistry Geophysics Geosystems 2006, 7(8):1-21.
77. Rossignol-Strick M., Duzer D. Late Quaternary pollen and dinoflagellate cystes in marine cores off West Africa. Meteor Forsch Ergebnisse 1979, 30(C):1-14.
78. Sánchez Goñi M.F., Eynaud F., Turon J.L., Shackleton N.J. High resolution palynological record off the Iberian margin: direct land-sea correlation for the Last Interglacial complex. Earth and Planetary Science Letters 1999, 171:123-137.
79. Sánchez Goñi M.F., Loutre M.F., Crucifix M., Peyron O., Santos L., Duprat J., Malaize B., Turon J.-L., Peypouquet J.-P. Increasing vegetation and climate gradient in western Europe over the last glacial inception (122-110 ka): data-model comparison. Earth and Planetary Science Letters 2005, 231:111-130.
80. Sánchez Goñi M.F., Landais A., Fletcher W.J., Naughton F., Desprat S., Duprat J. Contrasting impacts of Dansgaard- Oeschger events over a western European latitudinal transect modulated by orbital parameters. Quaternary Science Reviews 2008, 27:1136-1151.
81. Scholz C.A., Johnson T.C., Cohen A.S., King J.W., Peck J.A., Overpeck J.T., Talbot M.R., Brown E.T., Kalindekafe L., Amoako P.Y.O., Lyons R.P., Shanahan T.M., Castaneda S., Heil C.W., Forman S.L., Mchargue L.R., Beuning K.R., Gomez, Pierson J. East African megadroughts between 135 and 75 thousand years ago and bearing on early-modern human origins. PNAS 2007, 104:16416-16421.
82. Schulz E. Aktueller Pollenniederschlag in der zentralen Sahara und Interpretationsmöglichkeiten quartärer Pollenspektern. Palaeoecology of Africa 1976, 9:8-14.
83. Scott L. Pollen analysis of Hyena coprolites and sediments from Equus cave. Taung, southern Kalahari (South Africa). Quaternary Research 1987, 28:144-156.
84. Scott L. Vegetation history and climate in the Savanna biome South Africa since 190,000 ka: a comparison of pollen data from the Tswaing Crater (the Pretoria Saltpan) and Wonderkrater. Quaternary International 1999, 57-58:215-223.
85. Scott L., Woodborne S. Pollen analysis and dating of late Quaternary faecal deposits (hyraceum) in the Cederberg, western cape, south Africa. Review of Palaeobotany and Palynology 2007, 144:123-134.
86. Scott L., Holmgren K., Talma A.S., Woodborne S., Vogel J.C. Age interpretation of the Wonderkrater spring sedmients and vegetation change in the Savanna Biome, Limpopo province, South Africa. South African Journal of Science 2003, 99:484-488.
87. Scott L., Marais E., Brook G.A. Fossil hyrax dung and evidence of late Pleistocene and Holocene vegetation types in the Namib desert. Journal of Quaternary Science 2004, 19:829-832.
88. Scourse J., Marret F., Versteegh G.J.M., Jansen J.H.F., Schefuss E., Plicht J.Van Der High-resolution last deglaciation record from the Congo fan reveals significance of mangrove pollen and biomarkers as indicators of shelf transgression. Quaternary Research 2005, 64:57-69.
89. Shi N., Dupont L.M. Vegetation and climate history of SW Africa: a marine palynological record of the last 300,000 years. Vegetation History and Archaeobotany 1997, 6:117-131.
90. Shi N., Dupont L.M., Beug H.-J., Schneider R. Vegetation and climate changes during the last 22,000 yr in SW Africa - evidence from a high resolution marine palynological record. Vegetation History and Archaeobotany 1998, 7:127-140.
91. Shi N., Dupont L.M., Beug H.-J., Schneider R. Correlation between vegetation in southwestern Africa and oceanic upwelling in the past 21,000 years. Quaternary Research 2000, 54:72-80.
92. Shi N., Schneider R., Beug H.-J., Dupont L.M. Southeast trade wind variations during the last 135 kyr: evidence from pollen spectra in eastern South Atlantic. Earth and Planetary Science Letters 2001, 187:311-321.
93. Taylor D.M. Late Quaternary pollen records from two Ugandan mires: evidence for environmental change in the Rukiga Highlands of southwest Uganda. Palaeogeography, Palaeoclimatology, Palaeoecology 1990, 80:283-300.
94. 18O and dust flux records of Ocean Drilling Program site 659. Paleoceanography 1994, 9:619-638.
95. Tjallingii R., Claussen M., Stuut J.-B., Fohlmeister J., Jahn A., Bickert T., Lamy F., Röhl U. Coherent high- and low-latitude control of the northwest African hydrological balance. Nature Geoscience 2008, 1:670-675.
96. Torrence C., Compo G.P. A Practical Guide to wavelet analysis. Bulletin of the American Meteorological Society 1998, 79:61-78.
97. Trauth M.H., Deino A.L., Bergner A.G.N., Strecker M.R. East African climate change and orbital forcing during the last 175 kyr BP. Earth and Planetary Science Letters 2003, 206:297-313.
98. Trauth M.H., Larrasoana J.C., Mudelsee M. Trends, rhythms and events in Plio-Pleistocene African climate. Quaternary Science Reviews 2009, 28:399-411.
99. Tzedakis P.C., Andrieu V., De Beaulieu J.-L., Crowhurst S., Follieri M., Hooghiemstra H., Magri D., Reille M., Sadori L., Shackleton N.J., Wijmstra T.A. Comparison of terrestrial and marine records of changing climate of the last 500,000 years. Earth and Planetary Science Letters 1997, 150:171-176.
100. Tzedakis P.C., Lawson I.T., Frogley M.R., Hewitt G.M., Preece R.C. Buffered tree population changes in a Quaternary refugium: evolutionary implications. Science 2002, 297:2044-2047.
101. Tzedakis P.C., Roucoux K.H., De Abreu L., Shackleton N.J. The duration of forest stages in southern Europe and interglacial clkimate variability. Science 2004, 306:2231-2235.
102. Versteegh G.J.M., Schefuß E., Dupont L., Marret F., Sinninghe Damsté J., Jansen F. Taraxerol and Rhizophora pollen as proxies for tracking past Mangrove ecosystems. Geochimica et Cosmochimica Acta 2004, 68:411-422.
103. Vincens A. Late Quaternary vegetation history of the south-Tanganyika basin. Climatic implications in south central Africa. Paleogeography, Palaeoclimatology, Palaeoecology 1991, 86:207-226.
104. Vincens A. Nouvelles séquence pollinique du Lac Tanganyika: 30,000 ans d'histoire botanique et climatique du Bassin Nord. Review of Palaeobotany and Palynology 1993, 78:381-394.
105. Vincens A., Garcin Y., Buchet G. Influence of rainfall seasonality on African lowland vegetation during the Late Quaternary: pollen evidence from Lake Masoko, Tanzania. Journal of Biogeography 2007, 34:1274-1288.
106. Paleoclimate and Evolution, with Emphasis on Human Origins 1995, Yale University Press, New Haven. E.S. Vrba, G.H. Denton, T.C. Partridge, L.H. Burckle (Eds.).
107. White F. The Vegetation of Africa. Natural Rescourses Research 20 1983, UNESCO, Paris.
108. Zonneveld K.A.F., Versteegh G., Kodrans-Nsiah M. Preservation and organic chemistry of Late Cenozoic organic-walled dinoflagellate cysts: a review. Marine Micropaleontology 2008, 68:179-197.