Research Article

Trait-Environment Relationships and Tiered Forward Model Selection in Linear Mixed Models

Table 1

Traits used for analysis with code and description and the data source (Kotowski et al. [3], BiolFlor [21], CloPla [22], and LEDA [23]).

Germination traitsSource

Z1SWSeed weight (mg)Kotowski et al. [3]
Z2GPTotal germination percentage in full light (%)Kotowski et al. [3]
Z3T50Time of 50% germination in light (days)Kotowski et al. [3]
Z4WGRWet germination ratio (germination in wet mesocosms/germination in dry mesocosms)Kotowski et al. [3]
Z5DGRDark germination ratio (dark germination/light germination)Kotowski et al. [3]

Seeding traits

Z6H7Average height of seedlings at the 7th day from germination (mm)Kotowski et al. [3]
Z7LWR7Mean leaf weight ratio at the 7th day ( leaves and cotyledons)Kotowski et al. [3]
Z8LAR7Mean leaf area ratio,that is, mean quotient of the total leaf area per plant and the total weight per plant at the 7th day (mm2 mg−1)Kotowski et al. [3]
Z9AGRMean actual growth rate of seedlings between the 7th and 22nd days (mg day−1)Kotowski et al. [3]
Z10RGRMean relative growth rate of seedlings between the 7th and 22nd daysKotowski et al. [3]
Z11LWRMean leaf weight ratio; increase between the 7th and 22nd daysKotowski et al. [3]
Z12LA7Mean leaf area of seedlings at the 7th day (mm2)Kotowski et al. [3]

Adult traits

Z13CHCanopy height (maximum value) (m)LEDA (Rothmaler only)
Z14LDMCLeaf dry matter content (mg g−1)LEDA
Z15SLASpecific leaf area (adult plants only) (mm2 mg−1)LEDA
Z16HEMLeaf distribution along stem (hemirosettes)Biolflor
Z17STAFlowering start (1: January–April; 2: May-June; 3: July–September)Biolflor
Z18DURFlowering duration (1: short (1-2 months); 2: medium (3-4 months); 3: long (> 4 months))Biolflor
Z19SEXReproductive type (sexual)Biolflor
Z20AB0BudBank vertical distribution—aboveground: 0 (0 buds)CloPla
Z21AB2BudBank vertical distribution—aboveground: 2 (>10 buds)CloPla
Z22GR2BudBank vertical distribution—groundlevel: 2 (>10 buds)CloPla
Z23BE0BudBank vertical distribution—belowground: 0 (0 buds)CloPla
Z24BE1BudBank vertical distribution—belowground: 1 (1–10 buds)CloPla
Z25GRSBudBank seasonality—groundlevel-seasonalCloPla
Z26BESBudBank seasonality—belowground: seasonalCloPla
Z27LAT2Lateral spread (2: 0.01–0.25 m year−1)CloPla
Z28LAT3Lateral spread (3: >0.25 m year−1)CloPla