Catalog - Data.gov

Found 13 datasets matching "lower trophic levels".

Federal
Coastal Generalized Ecosystem Model (CGEM) 1.0: A Complex Biogeochemical Model for Simulating Lower Trophic Levels and Ecosystem Dynamics
- Organization: U.S. Environmental Protection Agency
- Updated: 2024-03-18
These data describe CGEM functional form output for optional model formulations. These data also include post-processed simulation outputs applied to develop figures in the manuscript.
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Search relevance: 100.50 | Views last month: 0
Federal
Diet of scalloped hammerhead shark in eastern Gulf of Mexico
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-01-01T00:00:00.000+00:00
Juvenile scalloped hammerhead sharks, Sphyrna lewini, were collected in northwest Florida to examine foraging ecology, bioenergetics, and trophic level (30-60 cm FL mean FL 41.5 cm n 196). Diet...
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Search relevance: 66.83 | Views last month: 1
Federal
Townet database - Evaluating the ecological health of Puget Sound's pelagic foodweb
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-02-14T00:00:00.000+00:00
To evaluate effects of human influence on the health of Puget Sound's pelagic ecosystems, we propose a sampling program across multiple oceanographic basins measuring key attributes of the pelagic...
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Search relevance: 62.62 | Views last month: 1
Federal
Lake Erie Collaborative Science and Monitoring Initiative 2014
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
In 2014, the USGS Lake Erie Biological Station participated in the Coordinated Science and Monitoring Initiative (CMSI) program, a program founded by the U.S. Environmental Protection Agency (EPA)...
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Search relevance: 62.46 | Views last month: 2
Federal
EPA2011 Microbial & nutrient database - Evaluating the ecological health of Puget Sound's pelagic foodweb
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-02-21T00:00:00.000+00:00
To evaluate effects of human influence on the health of Puget Sound's pelagic ecosystems, we propose a sampling program across multiple oceanographic basins measuring key attributes of the pelagic...
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Search relevance: 61.47 | Views last month: 0
Federal
EPA Townetting CTD casts - Evaluating the ecological health of Puget Sound's pelagic foodweb
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-01-09T00:00:00.000+00:00
To evaluate effects of human influence on the health of Puget Sound's pelagic ecosystems, we propose a sampling program across multiple oceanographic basins measuring key attributes of the pelagic...
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Search relevance: 60.93 | Views last month: 0
Federal
Stomach content analysis of the Blacktip Shark from the coastal waters of Florida from 2008 to 2010 (NCEI Accession 0166766)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-01-01T00:00:00.000+00:00
Sharks may have an important role in marine ecosystems in relation to populations of fish and invertebrates at lower trophic levels. Fishery management plans stress the need for an ecosystem...
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Search relevance: 47.52 | Views last month: 0
State
Interagency Ecological Program: Zooplankton catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2018.
- Organization: State of California
- Updated: 2022-06-01T16:31:10.462504
Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and invertebrate monitoring program in the Yolo Bypass...
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Search relevance: 43.06 | Views last month: 0
Federal
AFSC/REFM: FEAST (Forage Euphausiid in Space and Time NPRB B.70 Model output for 1970-2009 Hindcast (Run V146), Kerim Aydin and Andre Punt
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-01-01T00:00:00.000+00:00
Weekly biophysical and fish model output of FEAST. Part of The Bering Sea Project, FEAST is a high resolution (~10km2) spatial model that uses a Regional Ocean Modeling System for the Bering Sea...
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Search relevance: 42.06 | Views last month: 0
Federal
AFSC/REFM: Inshore research surveys in the eastern and central Gulf of Alaska, 2010-2013, conducted by the middle trophic level component of the GOA Integrated Ecosystem Research Project
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:16:03.000+00:00
This dataset contains the results of a series of inshore research surveys that took place during 2010-2013 as part of the Gulf of Alaska Integrated Ecosystem Research Program (GOAIERP), a...
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Search relevance: 41.36 | Views last month: 0
Federal
Marine organism concentrations, carbonate chemistry variables, and nutrient concentrations from Atlantis ecosystem model simulation output in the California Current from 2013-01-01 to 2053-12-31 to understand vulnerability of California current food webs and economics to ocean acidification (NCEI Accession 0131198)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-10-26T00:00:00.000+00:00
This dataset contains the model output of a study to evaluate likely economic and ecological outcomes of ocean acidification in the California Current. Specifically, we have archived netCDF output...
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Search relevance: 41.17 | Views last month: 0
State
Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019
- Organization: State of California
- Updated: 2022-06-01T18:37:08.104689
Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and invertebrate monitoring program in the Yolo Bypass...
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Search relevance: 32.92 | Views last month: 0
Federal
Data from: Broad-scale occurrence of a subsidized avian predator: reducing impacts of ravens on sage-grouse and other sensitive prey
- Organization: Department of the Interior
- Updated: 2022-10-07T00:00:00Z
Expanding human enterprise across remote environments impacts many wildlife species, including sage-grouse (Centrocercus urophasianus), an indicator species whose decline is at the center of...
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Search relevance: 31.23 | Views last month: 0

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