Evaluating performance of foraminifera stress index as tropical-water monitoring tool in Strait of Malacca

Minhat, Fatin Izzati; Shaari, Hasrizal; Razak, Nur Sakinah Abdul; Satyanarayana, Behara; Saelan, Wan Nurzalia Wan; Yusoff, Nurulnadia Mohd; Husain, Mohd Lokman

doi:10.1016/j.ecolind.2019.106032

Cited by 18 publications

(15 citation statements)

References 36 publications

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“…Similar to previous reports in organic-rich sediments, Ammonia spp. had higher relative abundances in Group C (Melis and Violanti, 2006;Minhat et al, 2014Minhat et al, , 2020Martins et al, 2015). In this study, A. tepida and A. convexa together represented >80% of the total foraminiferal assemblage at stations W36 and W37, which had organic matter contents of >15%.…”

Section: Foraminifera Species-environment Relationshipmentioning

confidence: 50%

“…To compare our results with previous work by Minhat et al (2020), Fisher's alpha diversity and Pielou's evenness indices (Pielou, 1969) were calculated using PRIMER v.6 software (Clarke and Gorley, 2006). To avoid using reworked specimens, only foraminiferal taxa with a relative abundance of >2% in atleast one sample were used to determine the foraminiferal zonation and fauna-environment relationship.…”

Section: Computation Of Diversity Indices and Statistical Analysesmentioning

confidence: 99%

“…These samples were collected along the northern regions of the Malacca Strait within Malaysian waters (Figure 1). We collected sub-samples from the bulk sediments for both sediment (~40 g) and foraminifera analyses (10 cm 3 ; 10 cm 2 × 1 cm; Scott and Medioli, 1980;Minhat et al, 2020). Ethanol solution (>70%) was used to preserve the foraminifera samples.…”

Section: Sample Collectionmentioning

confidence: 99%

“…During the picking process, foraminiferal tests that were discoloured, broken, or poorly preserved (Yordanova and Hohenegger, 2002) were excluded. The sorted specimens were identified at the species level based on Tappan (1988, 1994) and regional taxonomic references (Szarek, 2001;Martin et al, 2018;Minhat et al, 2020).…”

Section: Laboratory Analysis Foraminifera Analysesmentioning

confidence: 99%

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The Occurrence and Distribution of Benthic Foraminifera in Tropical Waters Along the Strait of Malacca

et al. 2021

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Foraminifera are shelled single-celled protists that are found in all marine environments. Benthic foraminifera either live in sediments or attach to surfaces on the seafloor. Understanding the distribution and ecological response of benthic foraminifera is crucial, as they can indicate past and current ocean conditions. However, the benthic foraminifera distribution along the busy Strait of Malacca, which connects the Indian Ocean (north) to the Java Sea (south), is undersampled. In this study, we collected 24 surface samples from the northern Strait of Malacca to understand the distribution of foraminifera assemblages in shallow tropical waters. A total of 49 species of benthic foraminifera were identified. Calcareous hyaline species dominated the assemblages, with an extremely low occurrence of calcareous porcelaneous species. The common calcareous hyaline taxa were Asterorotalia pulchella, Pseudorotalia schroeteriana, Discorbinella bertheloti, Ammonia tepida, and Heterolepa praecincta. Cluster analysis categorised the foraminiferal assemblages into three major groups. The first cluster (Group A) consisted of a more diverse assemblage of hyaline and agglutinated species that inhabited a mean water depth of 45 m. The second cluster represented a population that inhabited deeper water environments (average water depth of 59 m). Finally, the third cluster (Group C) consisted of a foraminifera assemblage that inhabited shallow coastal environments (average depth of 22 m) with higher organic matter enrichment. The multivariate canonical correspondence analysis (CCA) showed that the foraminiferal assemblages reflected the shallow to deep water transition in the Malacca Strait. Water depth, which defines the depositional environment, had a greater influence on foraminifera distribution here than organic matter and salinity.

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Section: Foraminifera Species-environment Relationshipmentioning

confidence: 50%

Section: Computation Of Diversity Indices and Statistical Analysesmentioning

confidence: 99%

Section: Sample Collectionmentioning

confidence: 99%

Section: Laboratory Analysis Foraminifera Analysesmentioning

confidence: 99%

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The Occurrence and Distribution of Benthic Foraminifera in Tropical Waters Along the Strait of Malacca

et al. 2021

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“…The wide section and depth of the Northern Malacca Strait are gradually declining and narrowing down to the Southern Strait (Muhaimin A et al 2011). Malacca Strait is a part of the Sunda Shelf, shallow water (Minhat et al 2020), and included in the mainland of Asia as well as some waters and bays such as the South China Sea, Gulf of Thailand, and the Java Sea. The southern, narrowest, part of Malacca Strait is about 30 m deep and 35 km wide.…”

Section: Introductionmentioning

confidence: 99%

Coastal Water Properties and Hydrodynamic Processes in the Malacca Strait: Case Study Northeastern Coast of Sumatra, Indonesia

Koropitan¹,

Barus²,

Cordova³

2021

J. Ecol. Eng.

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Co-occurrence patterns and community assembly mechanisms of benthic foraminiferal communities in South Chinese bays

Zhang

et al. 2022

Ecological Indicators

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Evaluating performance of foraminifera stress index as tropical-water monitoring tool in Strait of Malacca

Cited by 18 publications

References 36 publications

The Occurrence and Distribution of Benthic Foraminifera in Tropical Waters Along the Strait of Malacca

The Occurrence and Distribution of Benthic Foraminifera in Tropical Waters Along the Strait of Malacca

Coastal Water Properties and Hydrodynamic Processes in the Malacca Strait: Case Study Northeastern Coast of Sumatra, Indonesia

Co-occurrence patterns and community assembly mechanisms of benthic foraminiferal communities in South Chinese bays

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