Basin Wide Studies - Aboveground Live Biomass Distribution in the Amazon Basin. Aboveground Live Biomass Distribution. Click here for enlarged image. ...
NASA Website
A factorial experiment designed to assess the response of Muhlenbergia prairie to different frequencies and seasons of burn has been in progress for six years. Analysis of above-ground biomass data from this study indicates that this vegetation type recov...
National Technical Information Service (NTIS)
The purpose of this study was to gain reliable information on the distribution of aboveground biomass of an important component of the woodlands of north- ... ...
NBII National Biological Information Infrastructure
In 1991, an irrigation transect was established near the Konza Prairie HQ to assess the effects of supplemental water on ecological processes in tallgrass ... ...
Live tree biomass estimates are essential for carbon accounting, bioenergy feasibility studies, and other analyses. Several models are currently used for estimating tree biomass. Each of these incorporates different calculation methods that may significan...
Although belowground biomass patterns are important in understanding aboveground responses, few studies have quantified how belowground biomass changes in response ... ...
Vegetation biomass is an important parameter in the carbon cycle study. In this paper, a new technique to estimate aboveground vegetation wet biomass based on the Microwave Vegetation Indices (MVIs), which are computed through the observed brightness temperature of AMSR-E/Aqua under two adjacent fre...
Technology Transfer Automated Retrieval System (TEKTRAN)
The goal of this research is to study the change in plant growth and species distribution during succession. Annual plant growth above ground is annually ... ...
Jun 16, 2011 ... Rem. Sens.: 214-230. Description: The objective of this study was to investigate the regression relations between vegetation indices derived ...
Treesearch
Lidar-based aboveground biomass is derived based on the empirical relationship between lidar-measured vegetation height and aboveground biomass, often leading to large uncertainties of aboveground biomass estimates at large scales. This study ...
NASA Astrophysics Data System (ADS)
Comparison of methods to model aboveground biomass and derive 20+ year aboveground ... Spatially explicit knowledge of aboveground biomass dynamics at broad ...
Several studies addressed aboveground biomass recovery in tropical and subtropical seagrass systems following physical disturbance. However, there are few studies documenting belowground biomass recovery despite the important functional and ecological role of roots and rhizomes for seagrass ...
PubMed
Timber availability, aboveground tree biomass, and changes in aboveground carbon pools are important consequences of landscape management. There are several models available for calculating tree volume and aboveground tree biomass pools. This paper docume...
Lidar remote sensing uses vegetation height to estimate large-scale above-ground biomass. However, lidar height and biomass relationships are empirical and thus often lead to large uncertainties in above-ground biomass estimates. This study uses vegetation structure ...
Accurate estimates of aboveground biomass provide critical information for modeling carbon dynamics in terrestrial ecosystems. Although aboveground biomass is difficult to quantify over large areas using traditional techniques, large-footprint lidar remote sensing holds great promise for ...
We estimated the density of forest biomass components (foliage biomass, branch biomass, and aboveground biomass) at a spatial resolution of 1 km across the ...
Summary tables are presented for aboveground biomass and nutrient concentrations for 20 aspen trees (Populus tremeloides) that were sampled at two study sites in Utah and Wyoming.
Assessment of revegetation success on mined lands is a difficult, time consuming task and has been the subject of a number of controversies. Present regulations require that both plant cover and aboveground plant biomass be measured for use in making that...
Field investigations were conducted in Liudaogou small watershed in late September 2009 to study the differences of vegetation above-ground biomass, soil moisture content, and soil nutrient contents under different land use patterns, aimed to approach the vegetation above-ground biomass level ...
... II) and used to estimate leaf-area index (LAI) and aboveground biomass of a highly invasive weed ... plots were used to measure aboveground biomass and LAI to develop and validate hyperspectral-based mode...
Assessment of revegetation success on mined lands is a difficult, time consuming task and has been the subject of a number of controversies. Present regulations require that both plant cover and aboveground plant biomass be measured for use in making that assessment. Of these two variables, biomass is the most time consuming to measure ...
Energy Citations Database
This is a statistical analytical report on the biomass resources of New York. The study was conducted in conjunction with the third forest survey of New York by the USDA Forest Service. Statistical findings are based on new 10-point-variable radius plots, a canvas of wood manufacturers, timber-utilization plots, and a mail canvass of private, commercial ...
Jun 16, 2011 � We created estimates of potential forest biomass and annual aboveground production for the Chesapeake Bay watershed region from USDA Forest ...
Jun 16, 2011 ... Title: Spatial distribution of forest aboveground biomass estimated from remote sensing and forest inventory data in New England, USA ...
Regional Aboveground Forest Biomass Using Airborne and Spaceborne LiDAR in Qu�bec (continued). Regional Aboveground Forest Biomass Using Airborne and ...
Jun 16, 2011 ... Description: Accurate estimates of forest aboveground biomass are needed to reduce uncertainties in global and regional terrestrial carbon ...
Modeling aboveground biomass of Tamarix ramosissima in the Arkansas River basin of southeastern Colorado, USA This publication is not available online. ... ...
Modeling aboveground biomass of Tamarix (Tamarix ramosissima) in the Arkansas river basin in southeastern Colorado, USA This publication is not available .....
... 2.0.CO;2 MODELING ABOVEGROUND BIOMASS OF TAMARIX RAMOSISSIMA IN THE ARKANSAS RIVER BASIN OF SOUTHEASTERN COLORADO, ... Abstract...
Jan 26, 2010 ... and aboveground woody biomass using. NASA EOS Multiangle Imaging ... cover, mean height, aboveground biomass) for. 2000 & 2009 for the ...
Jun 16, 2011 ... Southern Research Station ... related to how growth is proportionally allocated between the stem and other aboveground biomass components. ...
Jun 16, 2011 ... Title: Estimating aboveground tree biomass on forest land in the Pacific Northwest: a comparison of approaches. Author: Zhou, Xiaoping ...
In the Decadal Survey of Earth Science and Applications From Space, the National Research Council recognized the need for an aboveground biomass mapping ...
Jan 22, 2011 ... Direct measurements of aboveground live biomass (AGLB) are limited to small areas of forest inventory plots and site-specific allometric ...
Title: Calculating accurate aboveground dry weight biomass of herbaceous vegetation in the Great Plains: A comparison of three calculations to determine the ...
Aboveground biomass of dune vegetation harvested from 10 1/4 m-sq plots across the Hog Island chronosequence....
Aboveground biomass is determined non-destructively during the growing season at a Typha-dominated brackish marsh on the Parker River within the Plum ... ...
Aboveground biomass is determined destructively during the growing season at a Spartina patens salt marsh on the Rowley River within the Plum Island Ecosystems ( ... ...
Aboveground biomass is determined non-destructively during the growing season at a Spartina alterniflora-dominated salt marsh on the Rowley River within ... ...
Aboveground biomass in Tibetan grasslands. JOURNAL OF ARID ENVIRONMENTS, 73(1), 91-95. ... but temperature and soil texture also affect vegetation growth in ...
... relationship between tree species diversity and above-ground biomass in ... as productivity and stability - is still a matter of debate (Lehman & Tilman ... ...
Comparison of methods to model aboveground biomass and derive 20+ year aboveground biomass trajectories. Scott L Powell, USDA Forest Service, ...
To develop our knowledge of global carbon cycling, it is important to know all components of allocated carbon in tropical rainforests because of their enormous accumulation and elimination. Our goals in this study are to estimate carbon allocation (i.e. carbon flux to aboveground biomass increment, litterfall, ...
A multifrequency, multipolarization airborne SAR data set was utilized to examine the relationship between radar backscatter and the aboveground biomass in loblolly pine forests. This data set was also used to examine the potential of SAR to estimate aboveground biomass in these forests. The total ...
In this paper we investigate the use of space-borne sensors to estimate the height and aboveground biomass of tropical forests. The specific goals of this work were to assess the accuracy of LiDAR-derived vegetation height and biomass and analyze methods to combine LiDAR-derived biomass values with satellite images ...
Contents: Comparing Aboveground Biomass Equations for Use With the Puerto Rico Forest Inventory Data; Forest Conservation and Land Development in Puerto Rico; Soil Biology/Ecology Studies; Research and Teaching in Landscape and Vegetation Ecology; Annual ...
These gardens were started in order to establish monocultures of several species of native prairie plants common to Cedar Creek. Several experimental ... ...
Past clearing and harvesting of the deciduous hardwood forests of eastern USA released large amount of carbon dioxide into the atmosphere, but through recovery and regrowth these forests are now accumulating atmospheric carbon (C). This study examined quantities and distribution ...
EPA Science Inventory
In 1989, single transects spanning upland-lowland-upland topographic positions were established in a long-term unburned and an annually burned watershed. ... ...
... graminoids, forbs and woody plants, current year's dead, and previous years dead vegetation. Four 0.1 m2 quadrats are harvested ... ...
... and sorted into live graminoids, forbs and woody plants, current year's dead, and previous years dead vegetation. Four 0. ... ...
We studied the effects of relatively low levels of O(3) (40-50 ppb) and CO(2)-enrichment (+100 ppm) on a northern European lowland hay meadow during the summers 2002-2004 using open-top chambers (OTCs) and ground-planted mesocosms. Ozone reduced the aboveground biomass of the community (up to 40%), and four out of seven species ...
Switchgrass is a potential bioenergy crop that could promote soil C sequestration in some environments. We compared four cultivars on a well-drained Alfisol to test for differences in biomass, C, and N dynamics during the fourth growing season. There was no difference (P > 0.05) among cultivars and no significant cultivar x time interaction in analyses of dry mass, C ...
Wildfires are a common feature of peatland environments, but the carbon balance of these wildfires is often not considered and the production of refractory black carbon in these wildfires could be an important addition to carbon accumulation and mitigate losses of biomass during the fire. This study investigates the biomass and carbon ...
Mapping US forest biomass using nationwide forest inventory data and ... A spatially explicit dataset of aboveground live forest biomass was made from ...
