Retrieving Leaf Area Index of boreal conifer forests using Landsat TM images

1996 ◽  
Author(s):  
J M Chen ◽  
J Cihlar
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Landsat Tm ◽  
Conifer Forests ◽  
Area Index

Variation in leaf area index in complex mixed-conifer forests in California’s Sierra Nevada: implications for stocking control

2020 ◽  
Vol 93 (5) ◽  
pp. 641-651
Author(s):  
Kevin L O’Hara ◽  
John J Battles
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Sierra Nevada ◽  
Timber Harvest ◽  
Forest Community ◽  
Conifer Forests ◽  
Mixed Conifer ◽  
Area Index ◽  
Mixed Conifer Forests ◽  
Study Sites

Abstract The mixed-conifer forests in California’s Sierra Nevada include species from several genera (Pinus, Abies, Pseudotsuga, Calocedrus and Sequoiadendron). These forests have complex disturbance regimes dominated by low to moderate severity fire that often resulted in patchy spatial patterns and multiaged stands. Leaf area index (LAI) describes the total leaf surface area per unit area in a forest community and is related to wood and biomass production and ecosystem values such as water usage, water yields and carbon sequestration. LAI can also serve as a representation of growing space occupancy and the basis for stocking control, including in multiaged stands. Nine study sites were sampled with 22–37 0.05 ha plots per study site to estimate LAI and other metrics. LAI was highest in study sites with greater proportions of shade tolerant Abies and Calocedrus species and on higher productivity sites. Recent drought-related mortality has reduced stocking and LAI. The combination of fire suppression and timber harvest over the past century has resulted in stands with higher densities, and greater proportions of shade tolerant species. Managing these structures to restore their presettlement character will involve reducing overall stocking, increasing proportions of intolerant species and increasing fine-scale heterogeneity. LAI allocation—allocating leaf area to age classes, species or canopy strata—can be used to design new structures that resemble presettlement structures and are resilient to disturbances.

scholarly journals Improving winter wheat yield estimation by assimilation of the leaf area index from Landsat TM and MODIS data into the WOFOST model

2015 ◽  
Vol 204 ◽  
pp. 106-121 ◽  
Author(s):  
Jianxi Huang ◽  
Liyan Tian ◽  
Shunlin Liang ◽  
Hongyuan Ma ◽  
Inbal Becker-Reshef ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Leaf Area Index ◽  
Leaf Area ◽  
Wheat Yield ◽  
Landsat Tm ◽  
Yield Estimation ◽  
Area Index ◽  
Modis Data ◽  
Winter Wheat Yield

scholarly journals Discrete return lidar-based prediction of leaf area index in two conifer forests

2008 ◽  
Vol 112 (10) ◽  
pp. 3947-3957 ◽  
Author(s):  
J JENSEN ◽  
K HUMES ◽  
L VIERLING ◽  
A HUDAK
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Conifer Forests ◽  
Area Index

Relationships between Leaf Area Index and Landsat TM Spectral Vegetation Indices across Three Temperate Zone Sites

1999 ◽  
Vol 70 (1) ◽  
pp. 52-68 ◽  
Author(s):  
David P. Turner ◽  
Warren B. Cohen ◽  
Robert E. Kennedy ◽  
Karin S. Fassnacht ◽  
John M. Briggs
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Vegetation Indices ◽  
Temperate Zone ◽  
Landsat Tm ◽  
Area Index ◽  
Spectral Vegetation Indices
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