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canopy height

Canopy height estimation from lidar data using open source software compared with commercial software

Canopy height estimation from lidar data using open source software compared with commercial software

... the canopy height by using Light Detection and Ranging (LIDAR) ...better canopy height can be ...better canopy height can be ...

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Digital photogrammetric mapping of canopy height in a radiata pine plantation

Digital photogrammetric mapping of canopy height in a radiata pine plantation

... 4 to compare data derived from a DPW with tree heights measured using an analytical stereoplotter, and to quantify the accuracy of the automatic methods; 5 to develop a method for ground[r] ...

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Environmental correlates of species richness at Waipoua Forest Sanctuary, New Zealand

Environmental correlates of species richness at Waipoua Forest Sanctuary, New Zealand

... Summary: Descriptions of 247 forest stands at Waipoua Forest, Northland, were used to explore relationships between species richness (alpha-diversity) of the vascular flora and stand environmental characteristics, both ...

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Spatial Variability In Distribution Of Seagrasses Along The Tamilnadu Coast

Spatial Variability In Distribution Of Seagrasses Along The Tamilnadu Coast

... maximum canopy height recorded by ...large canopy height were found growing comparatively at higher depth that provides stable environment not disturbed by other sources and hence producing ...

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... lower canopy cover, canopy height, litter depth, litter cover, shrub cover, and herb cover ...lower canopy cover, canopy height, litter depth, litter cover, shrub cover, and herb ...

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Stand age and species composition effects on surface albedo in a mixedwood boreal forest

Stand age and species composition effects on surface albedo in a mixedwood boreal forest

... Abstract. Surface albedo is one of the most important pro- cesses governing climate forcing in the boreal forest and is directly affected by management activities such as harvest- ing and natural disturbances such as ...

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Greenness Indices from a Low-Cost UAV Imagery as Tools for Monitoring after-Fire Forest Recovery

Greenness Indices from a Low-Cost UAV Imagery as Tools for Monitoring after-Fire Forest Recovery

... model for the 50 m high flight in Cal Rovira-Sanca, with one greenness index (GCC) and one pine canopy height 401.. Maps of the four greenness indices and the estimated canopy model fro[r] ...

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Forest degradation and biomass loss along the Chocó region of Colombia

Forest degradation and biomass loss along the Chocó region of Colombia

... CHM: canopy height model; CV: cross validation; DBH: diameter at breast height; DRC: Democratic Republic of Congo; DSM: digital surface model; DTM: digital terrain model; ESA: European Space Agency; ...

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Quantitative Estimation of Wheat Phenotyping Traits Using Ground and Aerial Imagery

Quantitative Estimation of Wheat Phenotyping Traits Using Ground and Aerial Imagery

... pixel height and colour information as a determinant to distinguish desired plant objects from surrounding mosses and ...on canopy height and canopy vigour, which can be captured by the UAV ...

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... including canopy height, biomass, Leaf Area Index are ...and canopy height can be effectively estimated by the integration of AVIRIS-NG imagery and GLAS data, which cannot be possible when ...

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Multidimensional Structural Characterization is Required to Detect and Differentiate Among Moderate Disturbance Agents

Multidimensional Structural Characterization is Required to Detect and Differentiate Among Moderate Disturbance Agents

... as canopy structural traits defined in table two (Atkins et ...and canopy height, while acidification, senescence, insect and pathogen outbreaks are expected to alter canopy height, ...

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Dynamic monitoring of biomass of rice under different nitrogen treatments using a lightweight UAV with dual image-frame snapshot cameras

Dynamic monitoring of biomass of rice under different nitrogen treatments using a lightweight UAV with dual image-frame snapshot cameras

... calculated height was the average of the determined height ...rice canopy height between the ground and the highest point of the plant was measured in each subplot by using a ruler in the ...

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Coupling Fine-Scale Root and Canopy Structure Using Ground-Based Remote Sensing

Coupling Fine-Scale Root and Canopy Structure Using Ground-Based Remote Sensing

... portable canopy lidar and ground penetrating radar, when paired, can yield quantitative and potentially scalable coupled canopy-root structural ...sensing canopy structure, including canopy ...

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Improved estimation of aboveground biomass in wheat from RGB imagery and point cloud data acquired with a low-cost unmanned aerial vehicle system

Improved estimation of aboveground biomass in wheat from RGB imagery and point cloud data acquired with a low-cost unmanned aerial vehicle system

... and canopy height metrics derived from Unmanned Aerial Vehicle (UAV) data to estimate the AGB of various ...and canopy height metrics derived from a single low-cost UAV system can improve the ...

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Influence of anthropogenic activities on the initial establishment and growth rate of introduced Senna siamea in Zomba-Malosa Forest Reserve, Malawi

Influence of anthropogenic activities on the initial establishment and growth rate of introduced Senna siamea in Zomba-Malosa Forest Reserve, Malawi

... total height, canopy height, canopy (crown) base diameter, and canopy (crown) base area of the tagged trees every three months for one year commencing on the fifth day after planting to ...

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Assessment of canopy vigor information from kiwifruit plants based on a digital surface model from unmanned aerial vehicle imagery

Assessment of canopy vigor information from kiwifruit plants based on a digital surface model from unmanned aerial vehicle imagery

... the canopy using different edging algorithms applied to multispectral or infrared thermal imagery [15] ...its canopy height, which are significantly different to ground and other objects ...

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Soluble carbon production by honeydew scale insects in a New Zealand beech forest

Soluble carbon production by honeydew scale insects in a New Zealand beech forest

... Five trees in each of three categories were selected for their ease of access into the canopy. Unlike many earlier studies, trees were not selected on the basis of honeydew density. These categories were: large N. ...

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Predicting Fuel Models and Subsequent Fire Behavior from Vegetation Classification Maps

Predicting Fuel Models and Subsequent Fire Behavior from Vegetation Classification Maps

... Keane et al. (2000) created fuels and vegetation spatial layers for FARSITE for the Gila National Forest located in New Mexico. This included: elevation, slope, aspect, fire behavior fuel models (FBFM), canopy ...

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Path analysis and canonical correlations for indirect selection of Jatropha genotypes with higher oil yield.

Path analysis and canonical correlations for indirect selection of Jatropha genotypes with higher oil yield.

... By the interpretation of the first canonical pair, higher plants and greater canopy projection on the row are the ones with higher grain yield and oil yield. These results reveal the need to use these agronomic ...

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Tree height strongly affects estimates of water-use efficiency responses to climate and CO2 using isotopes

Tree height strongly affects estimates of water-use efficiency responses to climate and CO2 using isotopes

... diameter, height and crown illu- ...(diameter, height) or crown illumination, and in none of the four species is age included in the most parsimonious regression models (Table ...

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