Abundance and distribution of benthic foraminifera as indicators of the quality of the sedimentary environment in a subtropical lagoon, Gulf of California

Adriana Gómez-León, Griselda M. Rodríguez-Figueroa, Evgueni Shumilin, Ana Luisa Carreño, Alberto Sánchez

Research output: Contribution to journalArticle

Abstract

© 2018 Elsevier Ltd Abundance and spatial distribution of benthic foraminifera were used to evaluate the impacts of anthropogenic activities on sediment quality in a coastal lagoon in the Gulf of California. In 1985 and 2013, 27 samples of superficial sediments were collected. The foraminifera genera Ammonia, Cribroelphidium, Quinqueloculina and Peneroplis were dominant in both years. The abundance of Ammonia increased from 41% to 60%, while Peneroplis abundance decreased from a maximum of 50% in 1985 to 7% in 2013. The greater abundance of Ammonia and the greater spatial coverage of Ammonia and Cribroelphidium suggest a marked environmental deterioration in the quality of the sedimentary environment, which contrasts with studies of trace elements in the sediment of this lagoon. The Foram Stress Index indicates that sediment quality has deteriorated over time, likely due to the effects of anthropogenic activities around the lagoon.
Original languageAmerican English
Pages (from-to)31-39
Number of pages27
JournalMarine Pollution Bulletin
DOIs
StatePublished - 1 May 2018
Externally publishedYes

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Gulf of California
benthic foraminifera
Ammonia
lagoon
Sediments
ammonia
sediments
sediment
anthropogenic activities
human activity
environmental degradation
coastal lagoon
Trace elements
Spatial distribution
foraminifera
Deterioration
trace elements
spatial distribution
trace element
distribution

Cite this

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title = "Abundance and distribution of benthic foraminifera as indicators of the quality of the sedimentary environment in a subtropical lagoon, Gulf of California",
abstract = "{\circledC} 2018 Elsevier Ltd Abundance and spatial distribution of benthic foraminifera were used to evaluate the impacts of anthropogenic activities on sediment quality in a coastal lagoon in the Gulf of California. In 1985 and 2013, 27 samples of superficial sediments were collected. The foraminifera genera Ammonia, Cribroelphidium, Quinqueloculina and Peneroplis were dominant in both years. The abundance of Ammonia increased from 41{\%} to 60{\%}, while Peneroplis abundance decreased from a maximum of 50{\%} in 1985 to 7{\%} in 2013. The greater abundance of Ammonia and the greater spatial coverage of Ammonia and Cribroelphidium suggest a marked environmental deterioration in the quality of the sedimentary environment, which contrasts with studies of trace elements in the sediment of this lagoon. The Foram Stress Index indicates that sediment quality has deteriorated over time, likely due to the effects of anthropogenic activities around the lagoon.",
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Abundance and distribution of benthic foraminifera as indicators of the quality of the sedimentary environment in a subtropical lagoon, Gulf of California. / Gómez-León, Adriana; Rodríguez-Figueroa, Griselda M.; Shumilin, Evgueni; Carreño, Ana Luisa; Sánchez, Alberto.

In: Marine Pollution Bulletin, 01.05.2018, p. 31-39.

Research output: Contribution to journalArticle

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