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Table 2 List of potential fire-adapted traits in Southeastern Quercus and data sources.

From: Suites of Fire-Adapted traits of Oaks in the Southeastern USA: Multiple Strategies for Persistence

Trait grouping

Data sources

Flammability traits (units)

 

Litter flame height (cm)

 

Litter flaming duration (sec)

Kane et al. 2008,

Litter smoldering duration (sec)

Kreye et al. 2013,

Fuel consumption (%)

Varner et al. 2015 b

Litter depth (cm)

 

Litter drying rate (hr, timelag)

 

Litter absorptive capacity (%)

 

Protective traits (units)

 

Rhytidome thickness (cm)

 

Phloem allometric coefficient (accumulation rate; unitless)

 

Sapling rhytidome thickness (cm)

 

Adult rhytidome thickness (cm)

Jackson et al. 1999, Romero et al. 2009

Wound closure (%)

 

Xylem area lost (cm2)

 

Xylem vertical (up+down) decay (cm)

 

Inner bark (%)

 

Physiological traits (units)

 

Mature height (as asympototic height; m)

 

Seed mass (without seed coat; g)

 

Leaf lifespan (days)

 

Canopy duration (days the canopy had >50% of its leaves)

 

Laminar leaf area (cm2)

 

Specific leaf area (SLA; g cm−2)

 

Maximum assimilation rate-area basis (Amax; µmol CO2 m−2 s−1)

 

Maximum assimilation rate-mass basis (Amass; µmol CO2 g−1)

 

Leaf nitrogen (%)

Cavender-Bares et al. 2004 a

Leaf chlorophyll (mg cm−2)

 

Maximum hydraulic conductance (max Ks; kg H2O s−1 m−1 MPa−1)

 

Transpiration rate per sapwood area (mmol H2O m−2 s−1)

 

Huber (sapwood area: leaf area)

 

Negative percent loss of conductivity (PLC;%)

 

Wood density (g m−3)

 

Radial growth increment (cm yr−1)

 

Absolute growth rate of seedlings (AGR; g yr−1)

 

Seedling relative growth rate (RGR; g g−1 day−1)