Estimating aboveground tree biomass… 142
Allometric models for estimating the aboveground biomass of the mangrove Rhizophora mangle
... each tree, the following variables were measured before sampling: diameter at breast height or above the highest prop root; height; mean diameter of the crown; and crown area, which was determined assuming an ...
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ALLOMETRIC EQUATIONS FOR ESTIMATING ABOVEGROUND BIOMASS IN PAPUA TROPICAL FOREST
... including tree biomass, necromass, under- storey and soil organic matters (Hairiah and Rahayu, ...above-ground tree biomass, but this carbon pool was also the most vulnerable to deforestation ...
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Estimating Aboveground Biomass of Oil Palm Trees by Using the Destructive Method
... palms. Estimating the aboveground biomass of oil palms is one of the most important oil palm carbon ...of biomass give a direct measurement of carbon sequestration in oil palm and help to ...
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Operational assessment of aboveground tree volume and biomass by terrestrial laser scanning
... diameters, tree height) or visual observations (e.g. tree species, stem ...and tree height as input parameters (Schreuder et ...when estimating the AGB of individual ...
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Allometric models for aboveground biomass of ten tree species in northeast China
... A 2009 survey conducted in China reported that 193 million hectares were covered with forests, from which natural forests comprised 119 million hectares. However, some of un- desirable infl uences, like frequent ...
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Aboveground tree biomass, carbon stocks and tree diversity in a mixed forest plantation in Northern Vietnam
... that tree biomass is closely related with diameter at breast height and total height (Brown et ...different biomass compartment definitions, scope of the analyisis (local vs regional studies) and ...
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Improved allometric equations for tree aboveground biomass estimation in tropical dipterocarp forests of Kalimantan, Indonesia
... forest biomass requires ground measurements and allometric ...for estimating tree aboveground biomass (AGB) of tropical dipterocarp forests (TDFs) in Kalimantan (Indonesian ...for ...
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Estimating logged-over lowland rainforest aboveground biomass in Sabah, Malaysia using airborne LiDAR data
... (2012) reported a mean AGB of 335.8 t ha -1 for the logged- over forests of the Deramakot Forest Reserve. We found a substantial variation in AGB within the sample of 30 plots (Figs. 3 and 4), suggesting that the past ...
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Estimating aboveground woody biomass change in Kalahari woodland: combining field, radar, and optical data sets
... mixed tree-grass strata and, in contrast to tropical humid forests, they undergo significant intra- and inter-annual changes in vegetation biophysical properties in each strata (Adams, Goudie, and Orme 1996; Lanly ...
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Comparison between TanDEM-X- and ALS-based estimation of aboveground biomass and tree height in boreal forests
... Despite the unsurpassed accuracy of ALS data, it is inconvenient and relatively expensive to acquire, and therefore, equally good satellite based techniques could be an alternative to facilitate more frequent ...
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Estimating mangrove aboveground biomass from airborne LiDAR data: a case study from the Zambezi River delta
... et al., 2015) as well as temperate forests (Zhao et al., 2012). Here, we estimated AGB based on 3 different tree-based allometric models and 2 different regression-modeling approaches. Any of the resulting six ...
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Mapping Tree Canopy Cover and Aboveground Biomass in Sudano-Sahelian Woodlands Using Landsat 8 and Random Forest
... and tree coppice, which contribute to the spectral ...the tree crown delineation in the WorldView-2 imagery has a higher likelihood of omitting small trees ...individual tree attributes ...the ...
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Estimating forest aboveground biomass by low density lidar data in mixed broad-leaved forests in the Italian Pre-Alps
... 2004; Popescu 2007). The low density point clouds may miss the tree tops, because naturally tree tops have fewer hits compared to the tree crowns. The same problem exists in identifying the ground ...
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Evaluation of stem rot in 339 Bornean tree species: implications of size, taxonomy, and soil-related variation for aboveground biomass estimates
... in tree species as- sociated with dystrophic sandy soils than with nutrient-rich ...stem biomass lost to stem rot varied significantly with soil properties, and we estimate that stem rot reduces total for- ...
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Evaluation of stem rot in 339 Bornean tree species: implications of size, taxonomy, and soil-related variation for aboveground biomass estimates
... in tree species as- sociated with dystrophic sandy soils than with nutrient-rich ...stem biomass lost to stem rot varied significantly with soil properties, and we estimate that stem rot reduces total for- ...
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Estimating leaf area index and aboveground biomass by empirical modeling using SPOT HRVIR satellite imagery in the Taita Hills, SE Kenya
... and biomass estimates do not account for understory vegetation, crops, and shrub layer, which may, however, constitute the majority of reflection recorded by the satellite sensor, especially in areas with sparse ...
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Estimating carbon stocks in tree biomass and soils under rotational woodlots and ngitili systems in Northwestern Tanzania
... systems. Aboveground biomass (AGB) estimation is an essential aspect of biomass carbon studies (Mani and Parthasarathy, ...Generalized biomass equations have been developed for different ...
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SILVA FENNICA. Estimating Tree Biomass of Sub-Saharan African Forests: a Review of Available Allometric Equations
... forest biomass is again growing (Zianis et ...of aboveground tree biomass has been conducted to ensure sustainable manage- ment of forest ...of biomass equa- tions, whereas timber ...
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Aboveground biomass and tree community composition modelling. Work Package 3
... Total tree height (in m) measured with a Haga instrument or a Suunto clinometer – Tree species (scientific name in Latin): All “in” trees were identified up to the species level by a trained ...
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Mapping of aboveground biomass in Gabon
... 5. Discussion This study aimed to produce an AGB map for the forested areas in Gabon in 2010. Four reference AGB maps were used to calibrate RS variables to AGB through an RF model. From the RS variables, the most signi ...
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