Vegetation change inferred from the pollen record in recent sediments from around the Lagos-East coastal environment (SW Nigeria)
 
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Laboratory of Palynology and Palaeobotany, Department of Botany, Faculty of Science, University of Lagos, Nigeria
Online publication date: 2019-06-18
Publication date: 2019-06-18
 
Acta Palaeobotanica 2019; 59(1): 165–175
 
KEYWORDS
ABSTRACT
Recent sediments from the coastal environment of Lagos East, Nigeria, were used to make a palynological reconstruction of the vegetation of the study area and to draw inferences about its palaeoclimate. A total of 8456 palynomorphs were recovered, dominated by pollen grains of Poaceae (13.96%), Cyperaceae (6.23%), Alchornea cordifolia Müll-Arg (8.36%) and Elaeis guineensis Jacq (2.41%). Others were Cyclosorus afer Ching (2.18%), Rhizophora sp. (0.45%), Nephrolepis sp. (1.03%), Celtis sp. (0.25%) and Pteris sp. (0.13%). The composition of the recovered palynomorphs suggests that the past vegetation was predominantly a mosaic of freshwater swamp, with open to dry climate, as indicated by the records of Cyperaceae, Alchornea cordifolia, Elaeis guineensis, Arecaceae, Asteraceae, Acanthaceae and Chenopodiaceae/Amaranthaceae. Radiocarbon dates obtained from two depths (surface and deepest) indicate that the sediments were deposited around the last 103.8 ± 0.4 pMC (percentage Modern Carbon) and 111.9 ± 0.4 pMC, hence in the late Holocene. The study identified fluctuations between wet and dry climatic conditions in the Holocene of this area.
 
REFERENCES (41)
1.
Adekanmbi O.H. 2008. Palynological studies of Quaternary sediments from Lagos lagoon and its environs. Unpublished Ph.D. Thesis, University of Lagos, Nigeria: 1–263.
 
2.
ADEKANMBI O.H. & SOWUNMI M.A. 2007. Palynological biosignals and their Environmental Implications within the Niger Delta Basin, Nigeria. Nigerian J. Bot., 20(2): 457–466.
 
3.
ADEKANMBI O.H & OGUNDIPE O.T. 2009. Comparison of Pollen Assemblages of the Lagoon Floor, Shoreline and Land of the University of Lagos, Akoka Campus. Nigerian J. Bot., 22(2): 279–289.
 
4.
ADEKANMBI O.H. & ALEBIOSU O.S. 2017. Palaeoecological Studies of Quaternary Sediments from the University of Lagos, Nigeria. Ife J. Sci., 19(1) 2017. http://dx.doi.org/10.4314/ijs.....
 
5.
ADEKANMBI O.H., AJIKAH L.B., ADEONIPEKUN A.P. & OGUNDIPE O.T 2017. Palynological Study of Recent Sediments from Ajido, Badagry Coastal Environment of Lagos, South-Western Nigeria. Nigerian J. Bot., 30(2): 311–324.
 
6.
ADEONIPEKUN A.P. & OLOWOKUDEJO D.J. 2013. Palynology of Recent Bottom Sediments from Shallow Offshore Niger/Cross River Delta Nigeria. Int. J. Bot., 9(3): 100–200.
 
7.
ADEONIPEKUN P.A., SOWUNMI M.A. & RICHARDS K. 2015. A new Late Miocene to Pleistocene palynomorph zonation for the western offshore Niger Delta. Palynology, 29: 0191–6122.
 
8.
BONNEFILLE R. & RIOLLET G. 1980. Pollens des savannes d’Afrique Orientale. Centre Nationale de la Recherche Scientifique, Paris.
 
9.
BIRKS H.J.B. 1993. Quaternary paleoecology and vegetation science, current contribution and possible future development. Rev. Palaeobot. Palynol., 79: 153–157.
 
10.
DURUGBO E.U., OGUNDIPE O.T. & ULU O.K. 2010. Palynological evidence from Pliocene-Pleistocene Climatic Variations from the Western Niger Delta. Int. J. Bot., 6(4): 351–370.
 
11.
ERDTMAN G. 1969. Handbook of Palynology. An introduction to the study of Pollen grains and Spores. Hafnar Publishing Company, New York: 1–486.
 
12.
FAEGRI K. & IVERSEN J. 1989. Textbook of Pollen Analyses: 1–328. In: Faegri K., Kaland P.E. & Krzywinski K. (4th Ed.) Wiley and Sons Ltd., Chichester, New York, Brisbane, Toronto, Singapore.
 
13.
GERMERAAD J.H., HOPPING C.A. & MULLER J. 1968. Palynology of Tertiary Sediments from tropical Areas. Rev. Palaeobot. Palynol., 6: 189–348.
 
14.
GOSLING W.A., MILLER C.S. & LIVINGSTONE D.A. 2013. Atlas of the tropical West African Pollen flora. Rev. Palaeobot. Palynol., 199: 1–135.
 
15.
GRIMM E.C. 1991. Tilia Graph, Illinois State Museum Research and Collection Centre, Springfield, Illinois, USA.
 
16.
HAVINGA A.J. 1971. An experimental investigation into the decay of pollen and spores’ in various soil types: 446–479. In: Brooks J., Grant P., Muir M., Gijzel P.V. and Shaw G. (Eds.). Sporopollenin. Academic Press, London.
 
17.
HUTCHINSON J. & DALZIEL J.M. 1954. Flora of West Tropical Africa, volume 1 2nd edition, revised by R.W.J. Keay. Grown Agents, London.
 
18.
HUTCHINSON J. & DALZIEL J.M. 1958. Flora of West Tropical Africa, Vol. 1 (parts I and II) (2nd edn revised by R.W. J. Keay), Vol. 2, Vol. 3 (part I) (2nd edn revised by F. N. Hepper). Crown Agents, London.
 
19.
IGE O.E. 2009. A Late Tertiary pollen record from Niger Delta Nigeria. Int. J. Bot., 5(3): 203–215.
 
20.
IGE O.E., KALYANI D.S & KRISHNA K.R 2011. Palynological Studies of Sediments from North Chioma-3 Well. American J. Applied Sci., 8(12): 1249–1257.
 
21.
IVANOV D.A., ASHRAF A.R. & MOSBRUGGER V. 2007. Late Oligocene and Miocene climate and vegetation in the eastern Paratethys area (Northeast Bulgaria), based on pollen data. Paleogeogr. Palaeoclimatol. Palaeoecol., 255: 342–360.
 
22.
JORDAN J.T., SMITH D.E., DAWSON S. & DAWSON A.G. 2010. Holocene relative sea-level changes in Harris, Outer Hebrides. J. Quat. Sci., 25: 115–134.
 
23.
KEAY R.W.J. 1959. An outline of Nigerian vegetation. Federal Government of Nigeria, 1–46.
 
24.
LEZINE A.M. & CAZET J.P. 2005. 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. Quat. Res., 64: 432–443.
 
25.
MOORE P.D. & WEBB J.A. 1978. An Illustrated Guide to Pollen Analysis. 1 Edn. Hodder and Stoughtonm, London: 1–133.
 
26.
MORLEY R.J. 1995. Biostratigraphic characterization of systems tracts in tertiary sedimentary basins. Proceedings of the International Symposium on Sequence Stratigraphy in S.E., Asia: 49–71.
 
27.
NJOKUOCHA R.C. 2012. Holocene pollen deposits and recent vegetation distribution of Obayi Lake, Nsukka. Quat. Int., 262: 20–24.
 
28.
OBOH-IKUENOBE F.E., SALAMI M.B. & CHAPMAN J.L. 1992. Palynological interpretation of the paleoenvironments of Miocene strata of the well Igbomoturu-1, Niger Delta. J. Micropaleontology, 11: 1–6.
 
29.
ORIJEMIE E.A. & SOWUNMI M.A. 2014. Humans and the mangrove in Southern Nigeria: 103–112. In: Stevens C.J., Nixon S., Murray M.-A. & Fuller D.Q. (eds.) The Archaeology of African Plant Use. Walnut Creek, California.
 
30.
POUMOT C. 1989. Palynological evidence for eustatic events in the tropical Neogene. Bull. Centre de Reserches Expl.-Prod. Elf Aquitaine 13: 437–453.
 
31.
REIMER P.J., BARD E., BAYLISS A., BECK J.W., BLACKWELL P.G., BRONK RAMSEY C., BUCK C.E., CHENG H., EDWARDS R.L., FRIEDRICH M., GROOTES P.M., GUILDERSON T.P., HAFLIDASON H., HAJDAS I., HATTE C., HEATON T.J., HOFFMANN D.L., HOGG A.G. HUGHEN K.A., KAISER K.F., KROMER B., MANNING S.W., NIU M., REIMER R.W., RICHARDS D.A., SCOTT E.M., SOUTHON J.R., STAFF R.A., TURNEY C.S.M. & VAN DER PLICHT J. 2013. IntCal13 and Marine13 radiocarbon age calibration curves 0–50,000 years cal BP. Radiocarbon, 55(4): 1869–1887.
 
32.
SALARD-CHEBOLDAEFF M. 1990. Intertropical African palynostratigraphy from cretaceous to late quaternary times. J. Afr. Earth Sci., 11: 1–24.
 
33.
SOLADOYE O. & AJIBADE L. 2014. A Groundwater Quality of Lagos State, Nigeria. Int. J. Applied Sci. Tech., 4(4): 271–28.
 
34.
SOWUNMI M.A. 1973. Pollen Grains of Nigerian Plants I. Woody Species. Grana, 13(3): 145–186.
 
35.
SOWUNMI M.A. 1981. Aspects of Late Quaternary vegetation changes in West Africa. J. Biogeography, 8: 457–474.
 
36.
SOWUNMI M.A. 1987. Palynological Studies in the Niger Delta: 31–66. In: Alagoa E.J., Anozie F.N. and Nzewunwa N. (Eds). The Early History of the Niger Delta. Helmat Buske Verlag Hamburg, UK.
 
37.
SOWUNMI M.A. 1995. Pollen Grains of Nigerian Plants II. Woody Species. Grana, 34: 120–141.
 
38.
SOWUNMI M.A. 1999. The significance of the oil palm (Elaeis guineensis) in the late Holocene environments of West and West Central Africa: A further consideration. Veget. Hist. Archaeobot., 8: 199–210.
 
39.
SOWUNMI M.A. 2004. Aspects of Nigerian Coastal Vegetation in the Holocene: Some Recent Insights: 1–258. In: Battarbee R.W., Grasse F. and Stickley C.E. (Eds), Past Climate Variability through Europe and Africa. Springer Dordrecht, Netherlands.
 
40.
STUIVER M. & POLACH H.A. 1977. Reporting of 14C data. Radiocarbon, 19(3): 355–363.
 
41.
WILLARD D.A., BERNHARDT C.E., WEIMER L., COOPER S.R., GAMEZ D. & JENSEN J. 2004. Atlas of pollen and spores of the Florida Everglades. Palynology, 28: 175–227.
 
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