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What is leaf area ratio?

Evapotranspiration

Vegetation (pathology)

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Leaf Area Index (LAI) is a crucial parameter for assessing vegetation productivity and ecological processes. It represents the total leaf area per unit ground area. LAI can be measured using various methods such as LAI-2200, Digital Hemispherical Photography (DHP), Tracing Radiation and Architecture of Canopies (TRAC), and Terrestrial Laser Scanning (TLS) . LAI plays a significant role in substance and energy exchange between the surface and the atmosphere, making it essential for understanding plant growth and ecosystem dynamics . Indirect methods for LAI estimation have been developed to avoid destructive and tedious reference measurements, with challenges including sensitivity to chlorophyll content and soil type . LAI is a key determinant in carbon assimilation, evapotranspiration, and ecosystem balances, with the prediction of LAI crucial for accurate vegetation-climate interaction modeling . Light Detection and Ranging (LiDAR) offers a promising approach for LAI estimation, with physically-based models providing reliable estimates even without field-based data .

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Open access•Journal Article•DOI Direct Estimation of Forest Leaf Area Index based on Spectrally Corrected Airborne LiDAR Pulse Penetration Ratio Yonghua Qu, Ahmed Shaker, Lauri Korhonen, Carlos A. Silva, Kun Jia, Luo Tian, Jinling Song - Show less +6 more 08 Jan 2020-Remote Sensing 7 Citations	Not addressed in the paper.
Posted Content•DOI Applying eco-evolutionary optimality principles to predict leaf area index Wenjia Cai, Tom Stammers - Show less +1 more 27 Mar 2022	Leaf area ratio (LAI) is the one-sided green leaf area per unit ground area, crucial for carbon assimilation and ecosystem balance, predicted using eco-evolutionary optimality principles in the study.
Open access•Journal Article•DOI Estimation of Leaf Area Index in a Typical Northern Tropical Secondary Monsoon Rainforest by Different Indirect Methods Xiansheng Xie, Yua Yang, Wuzheng Li, Nanyan Liao, Weihu Pan, Hongxin Su - Show less +5 more 17 Mar 2023-Remote sensing 1 Citations	Leaf area ratio (LAR) is the ratio of leaf area to total plant biomass, indicating the efficiency of plants in intercepting light for photosynthesis.
Open access A method for plant leaf area measurement by using stereo vision Vincent Leemans, Benjamin Dumont, Marie-France Destain, Françoise Vancutsem, Bernard Bodson - Show less +4 more 01 Jul 2012 5 Citations	Leaf area ratio is crucial for plant growth assessment. The paper proposes a non-destructive method using stereo vision for accurate leaf area measurement, avoiding the limitations of traditional destructive techniques.
Journal Article•DOI Leaf area index remote sensing based on Deep Belief Network supported by simulation data Lin Sun, Weiyan Wang, Chen Jia, Xirong Liu - Show less +3 more 31 Aug 2021-International Journal of Remote Sensing 5 Citations	Not addressed in the paper.

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