SPATIAL DISTRIBUTION, DYNAMICS AND MAPPING OF THE SOIL ORGANIC CARBON AND TOTAL NITROGEN DENSITY ESTIMATES IN LAGOS LAGOON WETLANDS

Adeola Alex Adesuyi, Kelechi Longinus Njoku, Modupe Olatunde Akinola, Dupe Nihinlola Olayinka, Olalekan Aabeeb Jimoh

Abstract


Accurate estimation of wetland carbon densities is a prerequisite for wetland conservation and implementation of carbon sink enhancement plans. This study was designed to investigate spatial distribution in Soil Organic Carbon (SOC) and Total Nitrogen (TN), and Soil Organic Carbon density (SOCD) and Total Nitrogen  density (TND) stocks in Lagos lagoon wetlands and the influence of other soil physicochemical. The SOC content generally exhibited high seasonal variations for all the sampling points in the wetlands. During wet season it ranges from 12.71±0.15 - 164.995±1.65 g/kg with a coefficient of variation of 40.99%, and dry season ranged from 132.02±3.520 - 383.570±8.43 g/kg with a coefficient of variation of 34.45%. The soil carbon content in the wet season was much lower than the dry season. The total nitrogen content in the wet season ranged from 4.53 – 16.58 g/kg with a COV of 27.96%, while the dry season ranged between 10.16 and 40.31 g/kg with a coefficient of variation of 29.39%.The SOC density of Lagos lagoon wetlands for tops soils ranged from 10.53 to 37.89 kgm−2 with an arithmetic mean of 26.70±1.41 kgm−2 and TND ranged from 0.61 to 2.37 kgm−2 with an arithmetic mean of 1.96±0.09 kgm−2. Pearson correlation reveal a positive correlation between SOC and TN (r=0.643), bulk density and SOC (r=0.344), TN and bulk density (r=0.478) and soil moisture and pH (r=0.085). In the present study, a negative correlation was observed in SOC and pH, and TN and pH. The results suggest that nitrogen content, moisture content and bulk density, which are significantly influenced by vegetation, seasons and topography, are some of the factors affecting their accumulation and seasonal variation. Thus, density of nitrogen and carbon in wetlands are important for soil quality. They also influence the carbon and nitrogen sequestration potential as well as reducing atmospheric CO₂ and mitigating the threat of global warming.

Background: Soil organic carbon and total nitrogen are important components of wetland soils; they can greatly influence the wetland ecosystem fertility, quality and productivity. Accurate estimation of wetland carbon densities and pools is a

prerequisite for wetland resource conservation and implementation of carbon sink enhancement plans. This study was designed to investigate the dynamics and spatial distribution in Soil Organic Carbon (SOC) and total nitrogen (TN), and SOC and TN density stocks in Lagos lagoon wetlands and the influence of other soil physicochemical parameters on them.

Results: The SOC content generally exhibited high seasonal variations for all the sampling points in the wetlands. For wet season it ranges from 12.71±0.15 - 164.995±1.65 g/kg with a coefficient of variation of 40.99%, and dry season ranged from 132.02±3.520 - 383.570±8.43 g/kg with a coefficient of variation of 34.45%. The soil carbon content in the wet season was much lower than the dry season. The total nitrogen content in the wet season ranged from 4.53 – 16.58 g/kg with a coefficient of variation of 27.96%, while the dry season ranged between 10.16 and 40.31 g/kg with a coefficient of variation of 29.39%.The SOC density of Lagos lagoon wetlands for tops soils ranged from 10.53 to 37.89 kgm−2 with an arithmetic mean of 26.70±1.41 kgm−2 and TND ranged from 0.61 to 2.37 kgm−2 with an arithmetic mean of 1.96±0.09 kgm−2. Pearson correlation reveal a positive correlation between SOC and TN concentrations (r=0.643), bulk density was positively correlated also with SOC (r=0.344), TN and bulk density (r=0.478) and soil moisture content and pH (r=0.085) were also positively correlated. In the present study, a negative correlation was observed in SOC and pH, and TN and pH. The results suggest that nitrogen content, moisture content and bulk density, which are significantly influenced by vegetation cover and types, seasons and topography, are some of the factors affecting soil organic carbon and nitrogen accumulation and seasonal variation.

Conclusion: This study provided an insight in the understanding of the seasonal and spatial distribution of SOC and TN density in the Lagos lagoon wetland. In conclusion, the estimation of the density and storage of nitrogen and organic carbon in the wetlands are important for knowing and maintaining the quality of the soils, and they also influence the carbon and nitrogen sequestration potential of the wetlands as well as reducing atmospheric CO₂ and mitigating the threat of global warming.


Keywords


Soil organic carbon density; total nitrogen density; phosphate; moisture content; bulk density; wetlands

Full Text:

PDF (English)

References


ADESUYI A.A., NGWOKE M.O., NJOKU K.L., JOLAOSO A.O. (2016) Physi-cochemical Assessment of Sediments from Nwaja Creek, Niger Delta, Nigeria. Journal of Geoscience and Environment Protection, 4:16–27.

BAI J., XIAO R., ZHANG K., GAO H., CUI B., LIU X. (2013) Soil organic carbon as affected by land use in young and old reclaimed regions of a coastal estuary wetland, China. Soil Use Management, 29(1):57–64.

BAI J.H., OUYANG H., DENG W, ZHU Y.M., ZHANG X.L., WANG Q.G. (2005) Spatial distribution characteristics of organic matter and total nitrogen of marsh soils in river marginal wetlands. Geoderma, 124(1-2):181-192.

BAYLEY S.E., GUIMOND J.K. (2009) Aboveground biomass and nutrient limitation in relation to river connectivity in montane floodplain marshes. Wetlands, 29(4):1243-1254

BEDISON J.E., SCATENA F.N., MEAD J.V. (2013) Influences on the spatial pattern of soil carbon and nitrogen in forested and non-forested riparian zones in the Atlantic coastal plain of the Delaware River Basin. For. Ecol. Manage 302:200-209.

BRADY N.C., WEIL R.R. (2007) The Nature and Properties of Soil. 14th Edition, Prentice Hall, Upper Saddle River.

CRAFT C. (2007) Freshwater input structures soil properties, vertical accretion, and nutrient accumulation of Georgia and US tidal marshes. Limnol Oceanogr., 52: 1220–1230.

D'ACQUI L.P., SANTI C.A., VIZZA F., CERTINI G. (2015) Living and dead soil organic matter under different land uses on a Mediterranean island. European Journal of Soil Science, 66(2):298-310.

DODLA S.K., WANG J.J., DELAUNE D.R., COOK R. (2008) Denitrification potential and its relation to organic carbon quality in three coastal wetland soils. Sci. Total Environ 407:471–480.

DON A,, SCHUMACHER J., SCHERER-LORENZEN M., SCHOLTEN T., SCHULZE E.D. (2007) Spatial and vertical variation of soil carbon at two grassland sites: Implications for measuring soil carbon stocks. Geoderma, 141(3-4):272-282.

FAO (2017) Soil Organic Carbon: the hidden potential. Food and Agriculture Organization of the United Nations. Rome, Italy.

FAO, ITPS (2015) Status of the World’s Soil Resources, Rome.

GEBREHIWOT K., DESALEGN T., WOLDU Z., DEMISSEW S., TEFERI E. (2018) Soil organic carbon stock in Abune Yosef afroalpine and sub-afroalpine vegetation, northern Ethiopia. Ecological Processes, 7:6-14.

GERVAIS-BEAULAC V., SAINT-LAURENT D., BERTHELOT J.S. (2013) Organic carbon distribution in alluvial soils according to different flood risk zones. Journal of Soil Science and Environmental Management, 4(8):169-177.

JOBBБGY E.G., JACKSON R.B. (2001) The distribution of soil nutrients with depth: global patterns and the imprint of plants. Biogeochemistry 53:51–77.

KANE D. (2015) Carbon Sequestration Potential on Agricultural Lands: A Review of Current Science and Available Practices, s.l.:s.n.

LEHMANN J., KLEBER M. (2015) The contentious nature of soil organic matter. Nature 528(7580):60–68.

LIU W., CHEN S., QIN X, BAUMANN F., SCHOLTEN T., ZHOU Z., WEIJUN SUN W., ZHANG T., REN J., QIN D. (2012) Storage, patterns, and control of soil organic carbon and nitrogen in the northeastern margin of the Qinghai–Tibetan Plateau. Environmental Research Letters 7(3):035401.

LIU Z.G. (2004) Carbon stock and GHG emission of wetland ecosystem. Sci Geo Sin. 24, 634-639.

LUO X., WANG L., DUN M., YANG J., WANG Z. (2014) The Accumulation and Seasonal Dynamic of the Soil Organic Carbon in Wetland of the Yellow River Estuary, China. Journal of Chemistry. http://dx.doi.org/10.1155/2014/408923

LUO X.X., ZHANG S.S., DUN M. (2010) Spatial distribution and seasonal dynamics characteristics of carbon, nitrogen and phosphorus in the Liaohe Estuary Wetlands. Periodical of Ocean University of China, 40(12):97–104.

McKENZIE N.J., JACQUIER D.J., ISBELL R.F., BROWN K.L. (2004) Australian soils and landscapes an illustrated compendium. CSIRO Publishing: Collingwood, Victoria.

MITSCH W.J., GOSSELINK J.G. (2015) Wetlands. 5th Edn, pp. 456. Wiley. ISBN: 978-1-118-67682-0.

MYSTER R.W. (2015) Comparing and contrasting flooded and unflooded forests in the Peruvian Amazon: Seed rain. New Zealand J. For. Sc., 45(1):1-9.

OBIEFUNA J.N., NWILO P.C., ATAGBAZA A.O., OKOLIE C.J. (2013) Spatial Changes in the Wetlands of Lagos/Lekki Lagoons of Lagos, Nigeria. Journal of Sustainable Development, 6(7):123-133.

OKOYE, C.OB., OLADAPO A.O., EMMANUEL A.A. (1991) Heavy metals in the Lagos Lagoon sediments. International Journal of Environmental Studies 37(1-2):35-41.

PARADIS R., SAINT-LAURENT D. (2017) Spatial distribution of organic carbon and nitrogen in soils related to flood recurrence intervals and land use changes in Southern Québec, Canada. Journal of Soil Science and Environmental Management, 8(2):25-36.

PARISH F., LOOI C.C. (1999) Wetlands, biodiversity and climate change opinions and needs for enhanced linkage between the Ramsar conventions on wetland, Tokyo.

PHILIPS O.A., FALANA A.O., OLAYIWOLA M.A. (2012) Assessment Of Environmental Impact On Benthic Foraminiferal Distribution In Lagos Lagoon, Nigeria. Journal of Mining and Geology, 48(1):68–78.

REEDER J.D., SCHUMAN G., MORGAN, J., LECAIN D. (2004) Response of organic and inorganic carbon and nitrogen to long-term grazing of the shortgrass steppe. Environ Manag., 33:485–495.

SAKIN E. (2012) Organic carbon organic matter and bulk density relationships in arid-semi arid soils in Southeast Anatolia region. African Journal of Biotechnology, 11:1373–1377

STOCKMANN U., ADAMS M.A., CRAWFORD J.W., FIELD DJ, HENAKAARCHCHI N, JENKINS M., MINASNY B., MCBRATNEY A.B., COURCELLES V.D.R.D., SINGH K., WHEELER I., ABBOTT L., ANGERS D.A., BALDOCK J., BIRD M., BROOKES P.C., CHENU C., JAstrow J.D. , Lal R., Lehmann J., O’Donnell T., Parton W.J., Whitehead D., Zimmermann M. (2013) The knowns, known unknowns and unknowns of sequestration of soil organic carbon. Agric. Ecosyst. Environ., 164:80–99.

VAN DER WAL A., DE BOER W. (2017) Dinner in the dark: Illuminating drivers of soil organic matter decomposition. Soil Biology and Biochemistry, 105:45-48

WANG A., CHEN J., LI D., ZHOU Z. (2007) Spatial Variations of Carbon and Nitrogen in Coastal Wetland Sediments of Quanzhou Bay in China. Environ Sci., 28:2361–2368

WANG H., WANG R., YU Y., MITCHELL M.J., ZHANG L. (2011) Soil organic carbon of degraded wetlands treated with freshwater in the Yellow River Delta, China. Journal of Environmental Management, 92:2628–2633.

WANG J., BAI J., ZHAO Q., LU Q., XIA Z. (2016) Five-year changes in soil organic carbon and total nitrogen in coastal wetlands affected by flow-sediment regulation in a Chinese delta. Sci. Rep., 6:21137. Doi: 10.1038/srep21137.

WANG X.C., CHEN R., BERRY A. (2003) Sources and preservation of organic matter in Plum Island salt marsh sediments (MA, USA): long-chain n-alkanes and stable carbon isotope compositions. Estuar. Coast. Shelf S., 58:917–928

WANG Z., LIU G.B., XU M.X., ZHANG J., WANG Y., TANG L. (2012) Temporal and spatial variations in soil organic carbon sequestration following revegetation in the hilly Loess Plateau, China. Catena, 99:26-33.

WIESMEIER M., HÜBNER R., BARTHOLD F., SPÖRLEIN P., GEUß U., HANGEN E., REISCHL A., SCHILLING B., VON LÜTZOW M., KÖGEL-KNABNER I. (2013) Amount, distribution and driving factors of soil organic carbon and nitrogen in cropland and grassland soils of southeast Germany (Bavaria). Agric. Ecosyst. Environ., 176:39-52.

WIESMEIER M., MUNRO S., BARTHOLD F., STEFFEN, M., SHA, P. OGEL-KNABNER I.K. (2015) Carbon storage capacity of semi-arid grassland soils and sequestration potentials in northern China. Glob. Change Biol., 21:3836-3845.

YANG R., ZHANG G., LIU F., LU Y., YANG F., YANG F., YANG M., ZHAO Y., LI D. (2016) Comparison of boosted regression tree and random forest models for mapping topsoil organic carbon concentration in an alpine ecosystem. Ecol. Indic., 60:870-878.

YU J., WANG Y., LI Y., DONG H., ZHOU D., HAN G., WU H., WANG G., MAO P., GAO Y. (2012) Soil organic carbon storage changes in coastal wetlands of the modern Yellow River Delta from 2000 to 2009. Biogeosciences, 9:325–2331.

ZHANG S.P., WANG L., HU J.J., ZHANG W., FU X., LE Y., JIN F. (2011) Organic carbon accumulation capability of two typical tidal wetland soils in Chongming Dongtan, China. Journal of Environmental Sciences, 23(1):87–94

ZHANG Y., CUI B., LAN Y., HAN Z., WANG T., ZHANG Y., TONG Y. (2013) Profile Distribution Characteristics of Total Nitrogen and Soil Organic Matter in Different Types of Land Use in Baiyangdian Lake. Third International Conference on Intelligent System Design and Engineering Applications, 1069 – 1073.

ZHAO C.D., LIU G.D., YANG K. (2011) Estimation of soil carbon storage and its change since 1986 in Zhalong wetland and its surrounding areas, Heilongjiang Province. Earth Sci Front., 18:27–33.

ZHENG Y.M., NIU Z.G., GONG P., DAI Y., SHANGGUAN W. (2013) Preliminary estimation of the organic carbon pool in China’s wetlands. Chinese Science Bulletin, 58:662-670.




DOI: 10.6092/issn.2281-4485/8280

Refbacks

  • There are currently no refbacks.


Copyright (c) 2018 Adeola Alex Adesuyi

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.