Influence of Altitude on Caffeine, 5-Caffeoylquinic Acid, and Nicotinic Acid Contents of Arabica Coffee Varieties

Table 1

Geographic locations and biophysical data of the study area.

Biophysical data	Highland (Gera)	Midland (Jimma)	Lowland (Teppi)
Altitude (asl)	1940–1960 m	1750–1775 m	1100–1200 m
Mean temperature	19°C–25°C	20.5°C–27°C	25°C–30°C
Rainfall	1880–2080 mm	1525–2000 mm	800–2000 mm
Latitude	6^o30′N	7^o40′N	9^o08′N
Longitude	32^o15′E	36^o50′E	37^o13′E

asl: above sea level.