Corrigendum to: Sap-flux density measurement methods: working principles and applicability

Area of Science:

• Plant physiology
• Environmental science
• Ecology

Background:

• Sap-flow measurement is vital for plant science, with numerous methods developed since early dye experiments.
• Most methods rely on applying heat to sapwood and measuring temperature changes to derive sap flow.
• Methods differ in whether they measure sap-flow rate or sap-flux density.

Purpose of the Study:

• To synthesize scattered literature on sap-flux density methods.
• To enable informed choices for practical applications and fundamental research in plant water transport.
• To encourage advancements in sap-flux density measurement techniques.

Main Methods:

• Distinguishes between sap-flow rate (e.g., stem heat balance) and sap-flux density methods.
• Categorizes sap-flux density methods into continuous heating (e.g., thermal dissipation) and heat pulse (e.g., compensation heat pulse velocity) techniques.
• Reviews advantages and limitations of various sap-flux density measurement techniques.

Main Results:

• Sap-flux density methods are diverse, with distinct underlying principles.
• Continuous heating and heat pulse methods offer different approaches to measuring sap-flux density.
• Each method presents unique advantages and limitations for plant water transport studies.

Conclusions:

• A comprehensive understanding of sap-flux density methods is essential for accurate plant water transport research.
• This review provides a foundation for selecting appropriate sap-flux density measurement techniques.
• Further research and refinement of these methods will enhance our understanding of plant physiology.