scholarly journals Retrospective retrieval of long-term consistent global leaf area index (1981-2011) from combined AVHRR and MODIS data

2012 ◽  
Vol 117 (G4) ◽  
pp. n/a-n/a ◽  
Author(s):  
Yang Liu ◽  
Ronggao Liu ◽  
Jing M. Chen
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Area Index ◽  
Modis Data

Long term and seasonal courses of leaf area index in a semi-arid forest plantation

2011 ◽  
Vol 151 (5) ◽  
pp. 565-574 ◽  
Author(s):  
Michael Sprintsin ◽  
S. Cohen ◽  
K. Maseyk ◽  
E. Rotenberg ◽  
J. Grünzweig ◽  
...  
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Forest Plantation ◽  
Area Index ◽  
Semi Arid

Estimating winter wheat biomass by assimilating leaf area index derived from fusion of Landsat-8 and MODIS data

2016 ◽  
Vol 49 ◽  
pp. 63-74 ◽  
Author(s):  
Taifeng Dong ◽  
Jiangui Liu ◽  
Budong Qian ◽  
Ting Zhao ◽  
Qi Jing ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Leaf Area Index ◽  
Leaf Area ◽  
Landsat 8 ◽  
Area Index ◽  
Modis Data

Optimal interpolation analysis of leaf area index using MODIS data

2006 ◽  
Vol 104 (3) ◽  
pp. 283-296 ◽  
Author(s):  
Yingxin Gu ◽  
Stéphane Bélair ◽  
Jean-François Mahfouf ◽  
Godelieve Deblonde
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Optimal Interpolation ◽  
Area Index ◽  
Modis Data ◽  
Interpolation Analysis

scholarly journals Multiscale leaf area index assimilation for Moso bamboo forest based on Sentinel-2 and MODIS data

2021 ◽  
Vol 104 ◽  
pp. 102519
Author(s):  
Jiayi Ji ◽  
Xuejian Li ◽  
Huaqiang Du ◽  
Fangjie Mao ◽  
Weiliang Fan ◽  
...  
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Moso Bamboo ◽  
Bamboo Forest ◽  
Area Index ◽  
Modis Data ◽  
Moso Bamboo Forest ◽  
Sentinel 2

scholarly journals EVALUATION OF SIMPLE HAND-HELD MECHANICAL SYSTEMS FOR HARVESTING TEA (CAMELLIA SINENSIS)

2006 ◽  
Vol 42 (2) ◽  
pp. 165-187 ◽  
Author(s):  
P. J. BURGESS ◽  
M. K. V. CARR ◽  
F. C. S. MIZAMBWA ◽  
D. J. NIXON ◽  
J. LUGUSI ◽  
...  
Keyword(s):  
Leaf Area Index ◽  
Leaf Area ◽  
Camellia Sinensis ◽  
Step Height ◽  
Area Index ◽  
Yield Increase ◽  
Coarse Material ◽  
Terminal Bud ◽  
The Mean

Over an eight-year period, harvesting methods based on simple mechanical aids (blade and shear) were evaluated against hand harvesting on mature morphologically contrasting tea clones in Southern Tanzania. The effects of shear step height (5–32 mm) and the harvest interval (1.8–4.2 phyllochrons) were also examined. Except in the year following pruning, large annual yields (5.7–7.9 t dry tea ha−1) were obtained by hand harvesting at intervals of two phyllochrons. For clones K35 (large shoots) and T207 (small shoots), the mean harvested shoot weights were equivalent to three unfurled leaves and a terminal bud. The proportions of broken shoots (40–48 %) and coarse material (4–6 %) were both relatively high. Using a blade resulted in similar yields to hand harvesting from K35 but larger yields from T207 (+13 %). The yield increase from clone T207 was associated with the harvest of more shoots and heavier shoots, smaller increases in canopy height, and a higher proportion (7–9 %) of coarse material compared to hand harvesting. On bushes, which had been harvested by hand for two years following pruning, using flat shears (no step) supported on the tea canopy resulted, over a three year period, in yields 8–14 % less than those obtained by hand harvesting and, for clone K35, a reduction in the leaf area index to below 5. The development of a larger leaf area index is made possible by adding a step to the shear. However, since annual yields were reduced by 40–50 kg ha−1 per mm increase in step height, the step should be the minimum necessary to maintain long-term bush productivity. As mean shoot weights following shear harvesting were about 13 % below those obtained by hand harvesting, there is scope, when using shears, to extend the harvest interval from 2 to 2.5 phyllochrons.

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