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Distribution of Arsenic in the Sediments and Biota of Hilo Bay, Hawaii

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Item Summary Hallacher, Leon E. Kho, Ernest B. Bernard, Nancy D. Orcutt, Annie M. Dudley, Walter C Jr. Hammond, Thomas M. 2008-03-22T23:40:53Z 2008-03-22T23:40:53Z 1985-07
dc.identifier.citation Hallacher LE, Kho EB, Bernard ND, Orcutt AM, Dudley WC Jr., Hammond TM. 1985. Distribution of arsenic in the sediments and biota of Hilo Bay, Hawaii. Pac Sci 39(3): 266-273.
dc.identifier.issn 0030-8870
dc.description.abstract Sediment samples collected from the Waiakea Mill Pond, Wailoa River, and Hilo Bay were analyzed for arsenic. Arsenic was detectable in 10of II sediment samples, and ranged in concentration from 2 to 715 ppm. Two species of plant and seven species of animal were collected from the Waiakea Mill Pond and analyzed for arsenic. No arsenic was detected in the plants, whereas four of the seven animal species had arsenic concentrations ranging from a trace to 1.3ppm. Sediments of the Wailoa River estuary have much higher concentrations of' arsenic than those of Hilo Bay, indicating that most arsenic is located near the original source of pollution, a factory that once operated on the shores of the Waiakea Mill Pond. Much of the arsenic is found in anaerobic regions of the sediment where it has been relatively undisturbed by biological activity. The low levels of arsenic in the biota of the estuary suggest that there is little remineralization of the region's arsenic and that it is trapped in anaerobic sediment layers.
dc.language.iso en-US
dc.publisher University of Hawai'i Press
dc.title Distribution of Arsenic in the Sediments and Biota of Hilo Bay, Hawaii
dc.type Article
dc.type.dcmi Text
Appears in Collections: Pacific Science Volume 39, Number 3, 1985

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