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Effects of a cattail marsh on sediment and water quality of the Laguna Atascosa National Wildlife Refuge

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
cattail, cattail-marsh, environmental-contaminants-investigation, metals, nutrients, organochlorines, sediment-quality, water-quality
Identifier
effects-of-a-cattail-marsh-on-sediment-and-water-quality-of-the-laguna-atascosa-national-w
Landing Page
http://catalog.data.gov/dataset/effects-of-a-cattail-marsh-on-sediment-and-water-quality-of-the-laguna-atascosa-national-w
Maintainers
Richard Easterbrook richard_easterbrook@fws.gov

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Description

The drainage known as the Cayo Atascosa transports irrigation return flow water through a cattail marsh and into Laguna Atascosa Lake located in Laguna Atascosa National Wildlife Refuge in Texas. Sediment and water samples were collected to determine the effectiveness of the marsh as a filter for contaminants. Results demonstrate that although organochlorines and metals are present in low concentrations in the sediment, the Cayo Atascosa acts as a sink for these contaminants. In addition, the cattail Typha spp. marsh behaves as a biofilter for excess nutrients from upstream, thus protecting water quality in the Laguna Atascosa.

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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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