Land Use/cover Impact and Soil Carbon Stock Management in Nigeria

Authors: Nasiru A. Ariori*, University of Lagos, Mayowa J Fasona, Department of Geography, University of Lagos
Topics: Remote Sensing, Geographic Information Science and Systems, Environment
Keywords: Remote Sensing, Soil Carbon stock, Land Use/Cover, Soil Organic Carbon, Net Ecosystem Exchange, Heterotrophic Respiration, Gross Primary Production, Soil Moisture (Environmental Proxies)
Session Type: Paper
Day: 4/6/2020
Start / End Time: 4:40 PM / 5:55 PM
Room: Beverly, Sheraton, IM Pei Tower, Terrace Level
Presentation File: No File Uploaded


ABSTRACT

The carbon budget of Nigeria is an important component of the overall carbon balance of Africa and of the globe more generally. In the past, studies have focused on forest ecosystems as strong terrestrial carbon sinks. This research however considers how non-forested lands, such as the savannah grassland, woodlands, the wetlands and the little montane vegetation zones, all together could best be managed for storing carbon and its general influence on global climate change. It further investigates the differences in net ecosystem exchange, heterotrophic respiration, gross primary production, soil moisture, and soil organic carbon (SOC) between different land use/cover (LUC) types, considered as proxies for anthropogenic factors. The study employs the use of Soil Moisture Active Passive (SMAP) global data based on eight (8) plant functional types (PFT’s), as well as land cover defined from Landsat 8 satellite data. Further assessments will be done using SOC data from a global soil inventory and a space-for-time analysis, inferring LUC change impacts due to thinning or deforestation across Nigerian ecological zones and how they relate to the terrestrial carbon balance. Expected results from the satellite image, vegetation classification analysis would produce for each the Soil Carbon distribution across the PFT’s and environmental proxies’ interactions. Finally all these results would give an overall view of the terrestrial carbon distribution in Nigeria

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