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NCCOS Assessment: Water Quality Data to Assess Eutrophication Effects on Coral Ecosystem Health in Vatia Bay, American Samoa from 2015-05-13 to 2018-08-28 (NCEI Accession 0208020)
This dataset represents three years of water quality data collected in Vatia Bay, American Samoa. A standard suite of nutrient parameters (nitrate, nitrite, ammonium, urea, total nitrogen, orthophosphate, total phosphorus and silica), as well as tracers o...
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Benthic cover derived from photo transects in Vatia, American Samoa from 2015-11-02 to 2015-11-12 (NCEI Accession 0169726)
The benthic cover data described here were generated from the quantitative analysis of photoquadrat benthic images using image analysis software, whereby random points are projected on each image and the benthic elements falling directly underneath each p...
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Benthic Surveys in Vatia, American Samoa: comprehensive assessment of coral demography (adult and juvenile corals) from belt transect surveys between 2015-11-02 and 2015-11-12 (NCEI Accession 0165016)
Jurisdictional managers have expressed concerns that nutrients from the village of Vatia, Tutuila, American Samoa, are having an adverse effect on the adjacent coral reef ecosystem. Excess nutrient loads promote increases in algal growth that can have del...
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Benthic Surveys in Vatia, American Samoa: benthic images collected during belt transect surveys from 2020-01-23 to 2020-01-29 (NCEI Accession 0259494)
This data package includes the source imagery of a benthic cover analysis for surveys performed in 2020 by the NOAA Ecosystem Sciences Division (ESD) in Vatia, American Samoa. The imagery described here was collected during belt transect surveys of coral ...
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Benthic Surveys in Vatia, American Samoa: benthic cover derived from analysis of benthic images collected during belt transect surveys of coral demography from 2020-01-23 to 2020-01-29 (NCEI Accession 0264809)
The benthic cover data described here were generated from the quantitative analysis of photoquadrat benthic images using CoralNet image analysis software, whereby random points are projected on each image and the benthic elements falling directly undernea...
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Excess Nutrients in Vatia Bay, American Samoa: Spatiotemporal Variability, Source Identification and Impact on Coral Reef Ecosystems
This study articulated the spatiotemporal variability in nutrient concentrations in Vatia Bay. Results showed that while the magnitude of nutrient pollution is similar to the island as a whole, it exceeds the territorial water quality standards for embaym...
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