Table 3 Field collection methods for each stock and flow type

Carbon stocks

Live leaf

Diameter mass regressions

AWC, cypress-gum, maple-gum, mixed hardwood

[39]

Livewood

Diameter mass regressions

AWC, cypress-gum, maple-gum, mixed hardwood

[39]

Leaf litter

Forest floor harvest

AWC, cypress-gum, maple-gum, mixed hardwood

[40]

Deadwood

Forest floor harvest

AWC, cypress-gum, maple-gum, mixed hardwood

[40]

Live root

Pit harvest

Maple-gum

[32]

Live/dead root Ratios

Monthly core sampling (1 year)

Maple-gum

[41]

Root necromass (Dead)

50% of live root–average live/dead root ratio

Maple-gum

[41]

Soil-upper peat (0–40 cm)

Bulk density, C content, organic matter content ^a

AWC, cypress-gum, maple-gum, mixed hardwood

This study

Soil-deep peat (41–100 cm)

Bulk density, C content, organic matter content ^a

AWC, cypress-gum, maple-gum, pond pine

This study

Annual carbon flows

Above-ground NPP

Diameter increments and regressions

AWC, cypress-gum, maple-gum, mixed hardwood

[25, 31]

Below-ground NPP

Monthly core sampling

Maple-gum

[41]

Leaf litterfall

Litter Baskets

AWC, cypress-gum, maple-gum, mixed hardwood

[42]

Tree mortality

1.5% of total Live Wood (3% on AWC)

AWC, cypress-gum, maple-gum, mixed hardwood

[43, 44]

Root mortality

Monthly core sampling

Maple-gum

[41]

Leaf litter decay

Mass loss from litter bags

Maple-gum

[27]

Deadwood decay

Mass loss from pre-weighted bole and branches

Maple-gum

[27]

Root necromass Decay

Mass loss from litter bags

AWC, cypress-gum, maple-gum, mixed hardwood

[41]

Humification to soil

Mass balance

AWC, cypress-gum, maple-gum, mixed hardwood

[43]

Soil/peat respiration—upper peat (0–40 cm)

Steady-state assumption (gain = loss)

AWC, cypress-gum, maple-gum, pond pine

This study

Soil/peat accumulation-deep peat (41–100 cm)

Long term average accumulation rate = 0.2 t C/ha⁻¹year⁻¹

AWC, cypress-gum, maple-gum, pond pine

[45, 46]