Authors:
Anarah, Samuel Emeka, Ahaneku Chinwendu Evangel, Ositanwosu Chukwunonso.O, Ogulewe Divine
Onyema and Ezeude Nwando Assumpta, Nigeria |
Abstract:
This study analyzed the effects of climate change on cassava productivity in Nigeria from 1991
to 2022. It assessed how climate variables such as rainfall, temperature, sunshine duration,
carbon dioxide emissions, and relative humidity influenced cassava productivity. The research
utilized secondary data analyzed through econometric models, including the Autoregressive
Distributed Lag (ARDL) model, and the Augmented Dickey-Fuller (ADF) and Phillips-Perron
(PP) tests. The findings revealed in the long-run, Average Annual Rainfall (LNARF), Average
Annual Carbon Dioxide Emissions (LNDACDE), a lagged value of Average Annual
Temperature (LNDATEMP (-1)), a lagged value of Average Annual Carbon Dioxide Emissions
(LNDACDE (-1)), and Average Annual Sunshine Duration (LNASUN) exhibit significant
impacts on cassava productivity. Average Annual Inflation Rate (LNDINFR) were the
significant variables that influenced cassava productivity between 1991 and 2022. In the short
run, the ARDL model shows that among the climate variables, the current values of average
annual rainfall (DLN(ARF)), average annual temperature (DLN(DATEMP)), average annual
relative humidity (DLN(DARELH)), average annual sunshine duration (DLN(ASUN)), and the
area of land under cassava cultivation (DLN(DALUC_CASSAVA)) exhibit significant impacts
on cassava productivity in Nigeria. |
