A carbon balance model for the great dismal swamp ecosystem

Table 6 Stock-flow pathways given as a carbon stock density in annual tons of carbon per hectare

From stock	To stock	Flow type	AWC	±	CG	±	MG	±	PP	±
Atmosphere	Living leaf	Growth:NPP	3.040	0.002	2.995	0.002	2.915	0.002	2.983	0.001
Atmosphere	Living wood	Growth:NPP	2.250	−0.048	2.785	−0.004	2.250	−0.002	2.413	−0.005
Atmosphere	Living root	Growth:NPP	6.105	0.001	4.995	0.007	4.120	0.005	5.073	0.005
Living leaf	Leaf litter	Litterfall	2.535	−0.692	2.640	−1.230	2.680	−1.225	2.618	−1.035
Living wood	Deadwood	Mortality	3.090	−0.909	2.600	0.112	1.420	0.756	2.370	−0.162
Living root	Dead root	Litterfall	6.105	−3.222	4.995	−2.640	4.120	−2.177	5.073	−2.681
Leaf litter	Peat	Humification	1.625	−0.468	1.685	−0.570	1.445	−0.491	1.585	−0.493
Deadwood	Peat	Humification	1.280	−0.403	1.150	−0.015	0.280	0.055	0.903	−0.088
Dead root	Peat	Humification	5.420	−3.827	4.135	−2.924	3.470	−2.453	4.342	−3.065
Leaf litter	Atmosphere	Emission	0.091	0.814	0.955	−0.170	1.235	−0.285	1.033	−0.191
Deadwood	Atmosphere	Emission	1.810	−0.557	1.450	−0.088	1.140	−0.003	1.467	−0.102
Dead root	Atmosphere	Emission	0.685	−0.144	0.860	−0.251	0.650	−0.180	0.732	−0.188
Upper peat	Atmosphere	Emission	7.940	−0.290	7.510	−0.810	6.260	−0.526	7.240	−0.392
Upper peat	Deep peat	Peat accum.	0.360	0.007	0.120	0.009	0.140	0.011	0.170	0.010

The ± columns signify the difference between the actual value and the value after model calibration
Annual flows are given as an annual carbon density (t C/ha⁻¹yr⁻¹)
AWC Atlantic white cedar; CG cypress−gum; MG maple-gum; PP pond pine; NPP net primary productivity

ISSN: 1750-0680