Open AccessThe impact of climate change on land suitability and cocoa productivity in Tulakan District, Pacitan Regency
Author(s) -
Aktavia Herawati,
Rahayu Rahayu,
Ganjar Herdiansyah,
Supriyadi Supriyadi,
Rina Wijayanti
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/824/1/012028
Subject(s) - productivity , relative humidity , environmental science , nonprobability sampling , land use , geography , meteorology , economics , ecology , population , biology , demography , sociology , macroeconomics
The existence of global warming, directly or indirectly, will have an impact on climate change which will threaten the productivity of cocoa plantations. This study aims to (1) determine the correlation between rainfall, relative humidity, and temperature to cocoa productivity and (2) determine the correlation between land suitability and cocoa productivity in Tulakan District, Pacitan Regency. The method used in this research was a descriptive exploratory method with a purposive sampling technique of collecting soil samples on land map units that have been determined based on various map overlays. There are five land map units (LMU) with a total area of 2.624 Ha with each LMU repeated three times. Regression correlation analysis was conducted to determine the relationship between rainfall and relative humidity on land suitability and cocoa productivity. The analysis showed that there was a negative correlation between rainfall and cocoa productivity (r = - 0.892, p <0.05), as well as relative humidity and cocoa productivity (r = - 0.950, p <0.05). There was a positive correlation between land suitability and cocoa productivity (r = 0.895, p < 0.05). Land map unit 1,2,3 were the best class of land suitability with the lowest limiting factor (relative humidity and available P), and it has high cocoa productivity. The higher rainfall and relative humidity will affect the lower cocoa productivity.