• Organization: Department of the Interior
• Updated: 2022-07-07T00:00:00Z

Despite being one of the most prevalent forms of consumerism in ecological communities, parasitism has largely been excluded from food-web models. Stable isotope analysis of consumers and their...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2020-11-20T00:00:00Z

Acanthurid surgeonfishes are an abundant and diverse group of herbivorous fishes on coral reefs. While their contribution to trophic linkages and dynamics in coral reef systems has received...

• xml
• xml

• 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...

• xml
• xml

• 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)...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2023-01-17T00:00:00Z

Trophic studies can provide valuable information on the risk an invader poses to native species. Brook Stickleback Culaea inconstans is an invasive fish species in Wyoming whose effect on native...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:46.000+00:00

The Southeast Alaska Coastal Monitoring (SECM) project in Alaska was initiated in 1997 by the Auke Bay Laboratory, National Marine Fisheries Service, to study the habitat use and early marine...

• none
• none
• none

• Organization: Department of the Interior
• Updated: 2024-12-17T00:00:00Z

Montezuma Well is an unusual fishless desert wetland in central Arizona. Water in the Well is naturally enriched with >100 g/L dissolved geogenic arsenic (As) and supports a relatively simple...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2005-01-01T00:00:00.000+00:00

Deep coral habitats are more extensive and important than previously known, and at the same time they are being threatened. These high profile features may concentrate exploitable resources and...

• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2000-03-15T00:00:00.000+00:00

The fishery independent survey of Atlantic large and small coastal sharks is conducted bi-annually in U.S. waters. Its primary objective is to conduct a standardized, systematic survey of the...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2004-04-27T00:00:00.000+00:00

The fishery independent survey of Atlantic large and small coastal sharks is conducted bi-annually in U.S. waters. Its primary objective is to conduct a standardized, systematic survey of the...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-03-20T00:00:00.000+00:00

Marine Bird Specimen and Feeding Studies (F031) is one of a group of seven datasets related to Marine Birds from Coastal Alaska and Puget Sound Data (1975 -1980). Each dataset uses the NODC...

• none
• none
• none
• none
• none
• none
• +1 more

• 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...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-24T00:00:00.000+00:00

This dataset contains laboratory experiment results of the effect of ocean acidification (OA) and prey availability on the growth of larval northern rock sole. Multiple aspects of climate change...

• html
• none
• none
• none
• none
• none
• +12 more

• 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...

• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-03-20T00:00:00.000+00:00

NODC maintains data in three NODC Standard Format Marine Mammal Data Sets: Marine Mammal Sighting and Census (F127); Marine Mammal Specimens (F025); Marine Mammal Sighting 2 (F026). These data...

• none
• none
• none
• none
• none
• none
• +1 more

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-01-01T00:00:00.000+00:00

Diet studies are fundamental for understanding trophic connections in marine ecosystems. In the southeastern US, the common bottlenose dolphin Tursiops truncatus is the predominant marine mammal...

• none
• none
• none
• none
• none

• Organization: Department of Agriculture
• Updated: 2025-05-02

Bat guano is an emergent paleoenvironmental archive and isotopic compositions of bat guano have been tied to climate, vegetation, and trophic processing in isolated studies. However, a...

• xls

• Organization: Department of the Interior
• Updated: 2021-04-22T00:00:00Z

Inferences about ecological structure and function are often made using elemental or macromolecular tracers of food web structure. For example, inferences about food chain length are often made...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:45.000+00:00

The objectives of these Arctic nearshore fish surveys is to measure seasonal changes in the distribution, demographics, trophic position and nutritional status of forage fish during the partial...

• none
• none
• none

• Organization: Department of the Interior
• Updated: 2022-09-27T00:00:00Z

Global wind energy has expanded 5-fold since 2010 and is predicted to expand another 8–10-fold over the next 30 years. Wakes generated by wind turbines can alter downwind microclimates and...

• xml
• xml