Catalog - Data.gov

Found 182 datasets matching "Natural marsh".

Federal
Denitrification Capacity of a Natural and a Restored Marsh in the Northern Gulf of Mexico from 2014-02-27 to 2015-02-26 (NCEI Accession 0223379)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-13T00:00:00.000+00:00
This dataset includes denitrification rates across a typical northern Gulf of Mexico salt marsh landscape that included a natural marsh, a tidal creek, and a 21-year-old restored salt marsh....
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Search relevance: 115.95 | Views last month: 0
Federal
Nitrate reduction rates and sediment physicochemical conditions from a natural and constructed marsh in coastal Alabama from 2018-11-30 to 2019-09-06 (NCEI Accession 0210961)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-07-10T00:00:00.000+00:00
This dataset includes nitrate reduction rates and physicochemical characteristics from sediments collected from a natural (NAT) and a 32-year-old constructed (CON-2) marsh on the Alabama (USA)...
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Search relevance: 112.12 | Views last month: 0
Federal
High resolution natural color and thermal imagery collected by uncrewed aircraft system (UAS) for mapping vegetation change and natural spring identification at Tavasci Marsh in the Tuzigoot National Monument, AZ during 2024
- Organization: Department of the Interior
- Updated: 2024-11-19T00:00:00Z
The U.S. Geological Survey collected low-altitude airborne natural color imagery and surface temperatures via a hexacopter uncrewed aircraft system (UAS) for mapping Tavasci Marsh in the Tuzigoot...
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Search relevance: 102.52 | Views last month: 0
Federal
Ecosystem carbon exchange and nitrogen removal rates in two 33-year-old constructed salt marshes are similar to those in a nearby natural marsh 2018-11-30 to 2020-03-08 (NCEI Accession 0227949)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-04-21T00:00:00.000+00:00
We conducted a year-long study with the main objective of comparing seasonal plant productivity, ecosystem respiration (ER), denitrification, and dissimilatory nitrate reduction to ammonium (DNRA)...
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Search relevance: 93.28 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Carbon and nitrogen stable isotope values of organisms from created and natural marsh of Lake Hermitage, West Point a la Hache, and Bay Batiste, Louisiana, May 2018 (NCEI Accession 0302883)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-02T00:00:00.000+00:00
This dataset contains bulk tissue carbon (delta-13C) and nitrogen (delta-15N) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and marsh vertebrates...
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Search relevance: 90.63 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Carbon, nitrogen and sulfur stable isotope values of organisms from created and natural marsh of Lake Hermitage, West Point a la Hache, and Bay Batiste, Louisiana, May 2019 (NCEI Accession 0304324)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-22T00:00:00.000+00:00
This dataset contains bulk tissue carbon (delta-13C), nitrogen (delta-15N), and sulfur (delta-34S) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and...
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Search relevance: 89.89 | Views last month: 0
Federal
Fish Sampling in the Multnomah Channel Marsh Natural Area near Portland Oregon from 2014-03-24 to 2015-07-15
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-10-22T00:00:00.000+00:00
The Multnomah Channel Wetland Restoration Monitoring Project characterizes wetlands use by juvenile salmonids and other fishes in the Multnomah Channel Marsh Natural Area (MCMNA) and nearby...
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Search relevance: 85.16 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: On-marsh nekton community in restored vs. natural Louisiana marshes near the West Pointe A La Hache siphon, 2018-05-17 to 2019-05-20 (NCEI Accession 0304326)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-06-26T00:00:00.000+00:00
This dataset contains abundance, mass, length, sex and species composition of the on-marsh nekton community in restored (LHA, LHB) and natural (LHC, WPH1, WPH2, PS7) marshes at various distances...
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Search relevance: 79.29 | Views last month: 0
Federal
Natural color aerial imagery and structure-from-motion data products from Uncrewed Aircraft System (UAS) 2D Mapping flights at the Marsh-Felch Quarry in Garden Park Fossil Area, Colorado, July 2024
- Organization: Department of the Interior
- Updated: 2024-12-26T00:00:00Z
The U.S. Geological Survey (USGS) National Uncrewed Systems Office (NUSO) supported the USGS National Cooperative Geologic Mapping Program’s Geoheritage Sites of the Nation Project in July of 2024...
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Search relevance: 78.98 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Bulk sulfur stable isotopes of on- and off-marsh fish species in restored vs. natural Louisiana marshes near the West Pointe A La Hache siphon, May 2018 (NCEI Accession 0302625)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-03-25T00:00:00.000+00:00
This dataset contains bulk sulfur stable isotope values (δ34S) derived from muscle tissue collected from fish species utilizing various marsh sub-habitats (edge, creek, ponds) along a salinity...
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Search relevance: 78.87 | Views last month: 0
Federal
Natural color aerial imagery and structure-from-motion models from Uncrewed Aircraft System (UAS) 3D Scan flights at the Marsh-Felch Quarry in Garden Park Fossil Area, Colorado, July 2024
- Organization: Department of the Interior
- Updated: 2024-12-26T00:00:00Z
The U.S. Geological Survey (USGS) National Uncrewed Systems Office (NUSO) supported the USGS National Cooperative Geologic Mapping Program’s Geoheritage Sites of the Nation Project in July of 2024...
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Search relevance: 78.78 | Views last month: 0
State
MD iMAP: Maryland Marsh Protection Potential Index
- Organization: State of Maryland
- Updated: 2025-05-05
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Marsh Protection Potential Index (MPPI) ranks Maryland's coastal marshes by their ability to protect...
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Search relevance: 64.77 | Views last month: 0
Federal
COP 1990-1991
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-01T17:16:21.000+00:00
Compared nekton densities among 5 natural and 10 created salt marsh sites to test whether these marsh types were functionally equivalent. Created marshes ranged from 3-yrs to 15-yrs old. Natural...
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Search relevance: 58.88 | Views last month: 0
Federal
Species abundance and species richness from 2019-07-02 to 2019-10-29 at restored and natural oyster reefs located in Middle Marsh, Beaufort, N.C (NCEI Accession 0276507)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-13T00:00:00.000+00:00
Data were collected for a project evaluating faunal succession states in both restored and natural oyster reefs located in the same comparative environment. Using space-for-time substitution, we...
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Search relevance: 58.07 | Views last month: 0
Federal
Salt marsh construction costs and shrimp production in Galveston Bay and Gulf of Mexico from 1999-01-01 to 2005-01-01 (NCEI Accession 0161218)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-01-01T00:00:00.000+00:00
Continuing wetland loss in Galveston Bay, Texas (USA) has led to the development of various salt marsh restoration projects. These constructed wetlands often attempt to mimic natural marsh...
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Search relevance: 53.23 | Views last month: 0
Federal
Geospatial data for the Vegetation Mapping Inventory Project of Cape Hatteras National Seashore
- Organization: Department of the Interior
- Updated: 2014-09-01T00:00:00Z
The files linked to this reference are the geospatial data created as part of the completion of the baseline vegetation inventory project for the NPS park unit. Current format is ArcGIS file...
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Search relevance: 53.16 | Views last month: 1
Federal
Continuous Monitoring Data From Great Barnstable Marsh on Cape Cod, Massachusetts, 2017-19
- Organization: Department of the Interior
- Updated: 2020-08-07T00:00:00Z
Salt marshes are environmental ecosystems that contribute to coastal landscape resiliency to storms and rising sea level. Ninety percent of mid-Atlantic and New England salt marshes have been...
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Search relevance: 51.92 | Views last month: 0
State
MD iMAP: Maryland Priority Shoreline Areas
- Organization: State of Maryland
- Updated: 2025-05-05
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. Each point in Coastal Resiliency Assessment Shoreline Points represents a 250 meter segment of the Maryland...
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Search relevance: 51.10 | Views last month: 0
State
MD iMAP: Maryland Shoreline Hazard Index
- Organization: State of Maryland
- Updated: 2025-05-05
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. Each point in Coastal Resiliency Assessment Shoreline Points represents a 250 meter segment of the Maryland...
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Search relevance: 51.04 | Views last month: 0
Federal
Predicting biomass and carbon stocks of tall shrub species in a degraded wetland site
- Organization: Department of the Interior
- Updated: 2021-03-17T00:00:00Z
Quantification of the carbon stocks contained in non-tree vegetation that has invaded a degraded salt marsh because of severe constraints on the marsh’s natural tidal flows.
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Search relevance: 50.16 | Views last month: 1

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