Lime Tree Foliar Salt Accumulation in Riga Street Greenery

Gunta Čekstere from the University of Latvia analyzed salt accumulation in lime tree foliage from street greenery in Riga. The study relates NaCl contaminant allocation patterns to structural injury within leaves, using field material representative of salt contamination levels. Foliar concentrations of Na/Cl reached up to 13600/16750 mg kg-1 on severely salt-polluted soils.

Use Cases

• Modeling salt tolerance thresholds in urban trees based on reported foliar Na/Cl concentrations.
• Studying nutrient displacement in plant tissues based on described ionic composition changes in vacuoles.
• Analyzing correlations between soil dystrophy and cellular degenerative changes in foliage.
• Assessing the impact of de-icing salts on leaf physiology in temperate urban environments.

Strengths

• Reports specific quantitative measurements, including foliar Na/Cl concentrations up to 13600/16750 mg kg-1.
• Combines field material with multiple microscopy techniques for mechanistic analysis.
• Explicitly distinguishes between salt effects and other environmental stressors.

Limitations

• Row count and column-level documentation are absent; data structure must be inferred.
• Geographic scope is limited to a single city (Riga, Latvia), which may limit generalizability.
• Last update date is unknown; freshness unverified.

Provenance

Source

University of Latvia

Collection Method

Field collection and laboratory analysis using microscopy techniques.

Geography

Riga, Latvia