Catalog - Data.gov

Found 859 datasets matching "total biomass".

Federal
Five-minute grid of total marine bird biomass densities surveyed off central California - selected cool water temperature periods, 1980-2001 (CDAS data set AL3_MASS.shp)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-10-16T00:00:00.000+00:00
AL3_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq km) of up to 76 species of marine birds during...
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Search relevance: 90.99 | Views last month: 0
Federal
Five-minute grid of the total marine bird biomass densities surveyed off central California - selected neutral water temperature periods, 1980-2001 (CDAS data set AL2_MASS.shp)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-10-16T00:00:00.000+00:00
AL2_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq.km.) of up to 76 species of marine birds during...
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Search relevance: 90.99 | Views last month: 0
Federal
PH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from PROFESSOR SIEDLECKI in the Adriatic Sea, Aegean Sea and others from 1988-11-17 to 1988-11-26 (NCEI Accession 0144306)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-02-26T00:00:00.000+00:00
This dataset includes discrete sample and profile data collected from PROFESSOR SIEDLECKI in the Adriatic Sea, Aegean Sea, Mediterranean Sea, Mediterranean Sea - Eastern Basin and Tyrrhenian Sea...
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Search relevance: 53.37 | Views last month: 0
Federal
BOREAS RSS-15 SIR-C and TM Biomass and Landcover Maps of the NSA and SSA
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
As part of BOREAS, the RSS-15 team conducted an investigation using SIR-C , X-SAR and Landsat TM data for estimating total above-ground dry biomass for the SSA and NSA modeling grids and component...
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Search relevance: 49.51 | Views last month: 0
Federal
Five-minute grid of marine bird biomass density surveyed off central California - all seasons, 1980-2001 (CDAS data set AL0_MASS.shp)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-10-16T00:00:00.000+00:00
AL0_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq.km.) of 76 species of marine birds regardless of...
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Search relevance: 47.13 | Views last month: 0
Federal
Five-minute grid of marine bird biomass density off central California - Oceanic season, 1980-2001 (CDAS data set Oc0_mass.shp)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-10-16T00:00:00.000+00:00
Oc0_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq km) of 76 species of marine birds in the Oceanic...
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Search relevance: 46.77 | Views last month: 0
Federal
Five-minute grid of marine bird biomass density surveyed off central California - Davidson Current season, 1980-2001 (CDAS data set Da0_mass.shp)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-10-16T00:00:00.000+00:00
Da0_MASS is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq.km.) of 76 species of marine birds in the Davidson...
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Search relevance: 46.56 | Views last month: 1
Federal
Five-minute grid of marine bird biomass density surveyed off central California - Upwelling season, 1980-2001 (CDAS data set Up0_mass.shp)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2003-10-16T00:00:00.000+00:00
Up0_mass is a polygon shapefile representing 5 minute x 5 minute latitude x longitude cells that house the overall total biomass densities (kg/sq km) of 76 species of marine birds in the Upwelling...
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Search relevance: 46.56 | Views last month: 0
Federal
Biomass Burning 5x5 degree data in Native Format
- Organization: National Aeronautics and Space Administration
- Updated: 2025-07-17
The BIO_MASS_5X5_HAO_NAT data set contains data representing the geographical and temporal distribution of total amount of biomass burned. The data were collected by Dr. Wei Min Hao and Mei-Huey...

Search relevance: 46.12 | Views last month: 1
Federal
NPP Grassland: Olokemeji, Nigeria, 1956-1964, R1
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set contains two ASCII files (.txt format). One file contains monthly above-ground biomass data (total live biomass plus dead matter) for May 1956 to February 1958 for an annually...
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Search relevance: 46.07 | Views last month: 0
Federal
Sediment and porewater nitrification and organic matter data in a Northern Gulf of Mexico marsh from 2021-05-26 to 2022-05-21 (NCEI Accession 0301084)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-02-05T00:00:00.000+00:00
We conducted a year-long study with the main objective of comparing denitrification, anammox, and dissimilatory nitrate reduction to ammonium (DNRA) across three different vegetation zones...
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Search relevance: 45.41 | Views last month: 0
Federal
Root Biomass Data (FIFE)
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
The FIFE Root Biomass data were collected from 16 locations within the FIFE study area during the 1987 growing season. They provide a measure of the below-ground biomass for the study area....
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Search relevance: 44.92 | Views last month: 0
Federal
LBA-ECO TG-07 Ground-based Biometry Data at km 83 Site, Tapajos National Forest: 1997
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
Changes in the biomass of Amazon region forests represent an important component of the global carbon cycle but the biomass of these forests remains poorly quantified. We examined forest survey...
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Search relevance: 44.85 | Views last month: 0
Federal
AFSC/RACE/MACE: Results of 2009 Pollock Acoustic-Trawl Survey Bering Sea- DY0909
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-01-01T00:00:00.000+00:00
Eastern Bering Sea shelf walleye pollock (Theragra chalcogramma) abundance and distribution in midwater were assessed between 9 June and 7 August 2009 using acoustic-trawl techniques aboard the...
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Search relevance: 44.30 | Views last month: 1
Federal
CDRRC growing season aridity and grazing season vegetation biomass data
- Organization: Department of Agriculture
- Updated: 2025-11-24
Growing season aridity and livestock grazing seasonality can influence biomass production of perennial grasses in dryland systems. For this study, we used a long-term dataset (1967-2004) to...
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Search relevance: 43.63 | Views last month: 0
Federal
Delta-X: Belowground Biomass and Necromass across Wetlands, MRD, LA, USA, 2021, V2
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset contains total belowground biomass (BGB) and necromass (BGN), and total carbon, total nitrogen, and total phosphorus content of samples collected from herbaceous wetlands in the...
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Search relevance: 42.99 | Views last month: 0
Federal
Woody Biomass for Eastern U.S. Forests, 1983-1996
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
Estimates of the woody biomass density and pools were derived at the county scale of resolution of all forests of the eastern United States using new approaches for converting inventoried wood...
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Search relevance: 42.83 | Views last month: 0
Federal
Forest Carbon Stocks and Fluxes from the NFCMS, Conterminous USA, 1990-2010
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset, derived from the National Forest Carbon Monitoring System (NFCMS), provides estimates of forest carbon stocks and fluxes in the form of aboveground woody biomass (AGB), total live...
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Search relevance: 42.44 | Views last month: 0
Federal
Forest Inventory and Analysis Above Ground Forest Biomass (Image Service)
- Organization: Department of Agriculture
- Updated: 2025-09-19
This Biomass and Carbon per Acre dataset was compiled for the 48-state CONUS Area in order to identify local, state and regional trends in forest cover and landscape composition. It can be used as...
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Search relevance: 42.18 | Views last month: 0
Federal
NPP Grassland: Jornada, USA, 1970-1972, R1
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set contains three ASCII files (.txt format). Two files contain above- and below-ground biomass and productivity data for a desert grassland in the Jornada Experimental Range, New...
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Search relevance: 41.98 | Views last month: 0

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