Catalog - Data.gov

Found 11 datasets matching "trophic diversity".

#1 Federal
Food Web Data, Colorado River Corridor, Grand Canyon, Arizona, 2006
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
These data were compiled for a manuscript that examines the riverine food-web structure of the Colorado River below Glen Canyon dam to its confluence with Lake Mead. Tissue from primary producers...
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Search relevance: 91.09 | Views last month: 0
#2 Federal
Food-web dynamics and isotopic niches in deep-sea communities residing in a submarine canyon and on the adjacent open slopes
- Organization: Department of the Interior
- Updated: 2020-08-30T00:00:00Z
Examination of food webs and trophic niches provide insight into organisms’ functional ecology, yet few studies have examined the trophodynamics within submarine canyons, where the interaction of...
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Search relevance: 65.26 | Views last month: 0
#3 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: 53.78 | Views last month: 0
#4 Federal
PACE Radiometry and IOPs for Novel Great Lakes Science
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
The Laurentian Great Lakes provide extensive optical and trophic variability across diverse ecosystems, from environments challenged by current and legacy nutrient pollution and continuing water...
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Search relevance: 36.40 | Views last month: 0
#5 State
Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.
- Organization: State of California
- Updated: 2024-02-15T16:13:19.952636
Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program in the Yolo Bypass, a seasonal floodplain and...
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Search relevance: 35.07 | Views last month: 0
#6 Federal
Environmental DNA metabarcoding as a tool for biodiversity assessment and monitoring: Reconstructing established fish communities of north-temperate lakes and rivers
- Organization: Department of the Interior
- Updated: 2021-11-15T00:00:00Z
To evaluate the ability of precipitation-based environmental DNA (eDNA) sample collection and mitochondrial 12S metabarcoding sequencing to reconstruct well-studied fish communities in lakes and...
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Search relevance: 33.78 | Views last month: 0
#7 Federal
Human Influences of the River Continuum Concept: Impacts of Anthropogenic Watershed Development and Nutrient Sources -- in Great Smoky Mountains National Park.
- Organization: Department of the Interior
- Updated: 2018-10-17T00:00:00Z
Field Methods: Undisturbed streams with easy access from parallel trails and crossings within the Smoky Mt National Park will be sampled from headwater (1 or 2 order stream reaches) to main valley...
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Search relevance: 32.09 | Views last month: 0
#8 Federal
Upland Vegetation and Soils Monitoring for the Northern Colorado Plateau Network: 2009-2023 - Data Package
- Organization: Department of the Interior
- Updated: 2024-11-15T00:00:00Z
Uplands are land areas lying above the elevation where flooding generally occurs—areas found beyond riparian zones. Uplands represent the vast majority of land area in the Northern Colorado...
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Search relevance: 29.99 | Views last month: 0
#9 Federal
Density data for Lake Ontario benthic invertebrate assemblages from 1964 to 2018
- Organization: U.S. Environmental Protection Agency
- Updated: 2021-09-30
Benthic invertebrates are important trophic links in aquatic food webs and serve as useful bioindicators of environmental conditions because their responses integrate the effects of both water and...
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Search relevance: 28.06 | Views last month: 2
#10 Federal
Fish Community Characterization on Shallow (less than 30m) Hardbottom Shelf Habitats in St. Croix, USVI. A preliminary field survey to assess operational and logistical approaches to implement the National Coral Reef Monitoring Program (NCRMP) in the USVI.
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2012-10-25T00:00:00.000+00:00
Reef fish populations are a conspicuous and essential component of USVI coral reef ecosystems. Yet despite their importance, striking population and community level changes have occurred in the...
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Search relevance: 16.55 | Views last month: 0
#11 Federal
Benthic Community Characterization on Shallow (less than 30m) Hardbottom Shelf Habitats in St. Croix, USVI. A preliminary field survey to assess operational and logistical approaches to implement the National Coral Reef Monitoring Program (NCRMP) in the USVI.
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2012-10-25T00:00:00.000+00:00
Reef fish populations are a conspicuous and essential component of USVI coral reef ecosystems. Yet despite their importance, striking population and community level changes have occurred in the...
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Search relevance: 16.49 | Views last month: 0

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