Bronze level automatically awarded US beta

This data has achieved Bronze level on 22 October 2015 which means this data makes a great start at the basics of publishing open data.

Biotic and physico-chemical conditions in a cooling reservoir of a coal-fired power plant

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
24 April 2014
Modified Date
27 August 2015
Publishers
US Fish and Wildlife Service, Department of the Interior
Keywords
algae, benthic-invertebrates, bluegill, coal, electrical-plant, environmental-contaminants-investigation, industry, inorganics, population-structure, sediment, water-quality, whole-fish
Identifier
biotic-and-physico-chemical-conditions-in-a-cooling-reservoir-of-a-coal-fired-power-plant
Landing Page
http://catalog.data.gov/dataset/biotic-and-physico-chemical-conditions-in-a-cooling-reservoir-of-a-coal-fired-power-plant
Maintainers
Richard Easterbrook richard_easterbrook@fws.gov

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Description

Cholla Lake is a cooling reservoir for the coal fired Cholla electrical generating plant. The lake provides recreational fishing and water contact recreation. The fish populations are selfsustaining. I collected water, sediment, and whole body fish samples to be analyzed for levels of some possibly toxic inorganic constituents. I also measured dissolved oxygen, pH, and Secchi disk transparency. I compared current fish population structure, fish stomach contents, and the frequency of occurrence of benthos, with those same parameters in previous studies. Water temperature and turbidity have increased; catfish and bluegill have increased in their relative abundance; and the density of benthic invertebrates has decreased. Aquatic insects occur most commonly in the stomach contents of bluegill and filamentous algae in the stomachs of catfish. Selenium levels in all matrices exceed national averages and are above levels in a nearby reservoir unaffected by the power station.

Información General

Información legal

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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Información técnica

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