Seasonal variation of carbon fluxes in a sparse savanna in semi arid Sudan

Table 1 Summary results for the dry and wet season 2005, sd = standard deviation.

Variable	Unit	Dry (sd)	Wet (sd)
n days	-	12	8
Mean daily LE	Wm^-2	4.8 (2.9)	82.5 (11.0)
Mean daily H	Wm^-2	64.6 (7.3)	41.9 (7.3)
Mean daily P_g	mmol CO₂ m^-2 d^-1	-42.30 (7.9)	-344.40 (56.85)
Mean daily R_e	mmol CO₂ m^-2 d^-1	27.60 (2.3)	191.30 (12.01)
Mean daily NEE	mmol CO₂ m^-2 d^-1	-14.70 (9.6)	-152.40 (53.54)
Water use efficiency, ( $F C O 2 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGaemOray0aaSbaaSqaaiabdoeadjabd+eapnaaBaaameaacqaIYaGmaeqaaaWcbeaaaaa@3076@$ / $F H 2 O MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGaemOray0aaSbaaSqaaiabdIeainaaBaaameaacqaIYaGmaeqaaSGaem4ta8eabeaaaaa@3080@$ )	mmol CO₂ mol H₂O^-1	1.597	0.967
Mean daily LUE (ϵ)	mmol CO₂ mol PPFD^-1	0.954	7.196
R² Pg vs PPFD (linear function)	-	0.78	0.82

ISSN: 1750-0680