Sentences with phrase «data on the biomass»

Based on 14,000 fossils, the scientists reconstructed the diversity of terrestrial large mammals and compared it with data on the biomass production of plants during the same time period.

Not exact matches

Ecologist Jeffrey Chambers of Tulane University in New Orleans, Louisiana, and his colleagues used data on hurricanes and the damage they have caused to estimate the total loss of biomass in US forests for every year from 1851 to 2000.

Data were collected on the amount of irrigation, total plant biomass, moisture content at harvest, forage quality and other agronomic traits.

«The environmental impact of prescribed burns has historically been based on data from clean fuels in areas of good air quality, so we have likely been under - predicting the impact of biomass emissions in polluted areas,» Asa - Awuku said.

Aaron Kreider, a Web developer in Philadelphia who runs a site called the Energy Justice Network, a nonprofit group that supports clean energy and advocates phasing out all nuclear, fossil - fuel, large hydro and biomass plants, said he uses the CARMA data to supplement information on power plants in the United States.

«Together, these biomass consumption and behavior data indicate that deer selectivity likely depends more on species and growing season than on native or invasive introduced plant status,» she said.

Wheeler examined International Energy Agency data for 174 countries on investments in six low - carbon power sources (hydro, geothermal, nuclear, biomass, wind and solar) to find the incremental costs of clean power compared to a cheaper, carbon - intensive option like a conventional coal - fired power plant.

The team analysed evidence such as land use, land suitability and agricultural biomass data to create a robust model that compares different scenarios for 2050, including scenarios based on maintaining current trends.

The results so far show only a correlation between fires and water cycle indicators, but the data gathered from the study is allowing scientists to improve climate models to be able to establish a more direct relationship between biomass burning and its impacts on drought.

While previous methods used county - level slash data to estimate the amount of wood residue available as a feedstock, the new research reported in the journal Biomass and Bioenergy, uses more refined data on demand from individual sawmills, said Natalie Martinkus, one of the authors of the paper and an assistant professor in WSU's Composite Materials and Engineering Center.

Data on fish species, size and biomass is collected along with the benthic composition of the sea floor using this surveying method.

For example, while estimates concerning central tendencies of distributions of simulation outcomes are usually fairly robust because they are conditioned on ample data, estimates concerning the tails of distributions (such as the probability of falling below a critical biomass) are usually conditional on few data and thus often rely on assumptions that have no strong knowledge base.

This technical document provides a brief review of the benefits from various agriculture - based practices and technologies that have the potential to increase food production and the adaptive capacity of the food production system, as well as reduce emissions or enhance carbon storage in agricultural soils and biomass, focusing in detail on empirical evidence concerning costs and barriers to adoption, both from household and project - level data.

By combining satellite with on - the - ground data, new map offers more accurate biomass information.

Guidance for the EcoMow is handled by proprietary software, driven by Google Maps, which allows the mower to be directed to cut along the precise dimensions of the lawn, and the mower hardware gathers data on usage and biomass pellet collection for determining what the return on investment is for the owners.

The Tropical Forest Carbon Stocks data layer shows a «benchmark» map of biomass carbon stocks for more than 2.5 billion hectares of forests on three continents, encompassing all tropical forests, for the early 2000s.

For large - scale biomass burning, averaged data for 1997 — 2002 are based on the Global Fire Emissions Database satellite data (van der Werf et al., 2003).