Polychaete–sediment relations in Rayong, Thailand

Meksumpun, Charumas; Meksumpun, Shettapong

doi:10.1016/s0269-7491(98)00222-x

Cited by 10 publications

(6 citation statements)

References 29 publications

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“…Such fine deposits or particles are commonly composed of decomposable organic constituents. As the organic content represents an important direct or indirect food source for benthic organisms, elevated organic matter may result in an enhancement of benthic faunal diversity [52,65]. Therefore, it is clear that polychaetes abound in finer sediments as noticed by the above referred…”

Section: Discussionmentioning

confidence: 99%

Diversity and Distribution of Polychaetes in Mangroves of East Coast of India

Perumal¹,

Sarathy²,

SamikkannuMuthuvelu³

et al. 2018

Mangrove Ecosystem Ecology and Function

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This research article reports an exhaustive account on the mangrove-associated polychaetes. Polychaetes are an important component in marine benthic communities and they play a major ecological role in mangrove ecosystem. This article gives an overview of polychaete diversity associated to five major mangrove forests of east coast of India (Muthupettai, Pichavaram, Coringa, Bhitarkanika and Sundarban). The results of this survey indicated that the physicochemical parameters did not vary much except a few parameters that showed only marginal variations. With regard to the macrobenthic organisms, the polychaetes topped the list. Crustaceans were found to be the next dominant group in the order of abundance and followed by gastropods and bivalves of the total benthic organisms collected. The results of the statistical analysis revealed that the parameters such as salinity, pH, silt, clay, total organic carbon (TOC), total nitrogen (TN) and total phosphate (TP) were manifested as best match in determining benthic fauna distributions followed by TOC, slit, clay and TP. The maximum number of polychaete species was recorded from Sundarban mangroves (68 species) and minimum in Muthupettai mangroves (39 species).

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Section: Discussionmentioning

confidence: 99%

Diversity and Distribution of Polychaetes in Mangroves of East Coast of India

Perumal¹,

Sarathy²,

SamikkannuMuthuvelu³

et al. 2018

Mangrove Ecosystem Ecology and Function

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“…Such fine deposits or particles were commonly composed of decomposable organic constituents. As the organic content represents an important direct or indirect food source for benthic organisms, elevated organic matter may result in an enhancement of benthic metabolism (Gray 1981;Meksumpun and Meksumpun 1999). However, this metabolic increase causes a marked decline in sediment oxygen content (Pearson 1980) leading to anoxic conditions.…”

Section: Discussionmentioning

confidence: 99%

Distribution and abundance of macrobenthic polychaetes along the South Indian coast

Musale

Desai

2010

Environ Monit Assess

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Macrobenthic polychaetes play a significant role in marine benthic food chain. A study was carried out to observe the abundance and diversity of soft bottom macrobenthic polychaetes along the South Indian coast, along with observations on sediment characteristics. The present study indicated an increase in the polychaete diversity as compared to earlier reports. Sixty-three different forms of polychaetes were identified along the coast, which constitute the bulk of the macrobenthic fauna. Thirty-eight species of polychaetes showed higher abundance along the west coast, whereas 25 species showed higher abundance along the east coast. Seabed composition showed a spatial variation in its composition along the coast. Occurrence of Prionospio pinnata and Capitella capitata the deposit feeders and indicators of organic pollution suggesting the sampled area is organically rich. Polychaete abundance was found to be higher along the west coast and was attributed to loose texture of sediment due to high sand and sandy-silt resulting in higher interstitial space for organisms to harbor. Canonical correspondence analysis indicated that majority of polychaete species preferred low organic carbon, sandy silt, or sandy-clay substratum. The lower polychaete abundance at high organic carbon and high silt and clay areas can be attributed to avoidance of organisms to rich organic matter and suboxic levels, being a possible indication that these characteristics adversely affects the polychaete abundance and distribution.

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“…The reaction time is generally 2 min. This simple procedure has been used in numerous studies (Tsutsumi and Kikuchi 1983;Sasayama et al 2007;Yodnarasri et al 2008;Chareonpanich et al 1993;Meksumpun and Meksumpun 1999;Moqsud et al 2006;Chareonpanich and Seurungreong 1999).…”

Section: Total Acid-volatile Sulfidesmentioning

confidence: 99%

“…A limited number of studies have been made regarding the pollution of the lake by heavy metals (Sompongchaiyakul and Sirinawin 2007;Sirinawin and Sompongchaiyakul 2005;Sirinawin et al 1998;Sukapan et al 2006;Maneepong 1996;Maneepong and Rakeaw 1998). The aim of the present study is to screen the current distribution of trace elements in surface sediments of the lake together with other chemical properties such as organic matter, sulfides, grain size, pH, and redox.…”

Section: Introductionmentioning

confidence: 98%

Distribution of Trace Elements in Sediments and Biota of Songkhla Lake, Southern Thailand

Pradit

Wattayakorn

Angsupanich

et al. 2009

Water Air Soil Pollut

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The concentrations of Co, Ni, Cu, Zn, Cd, Pb, As, Fe, Mn, and Al were determined in sediments and biota of Songkhla Lake, a shallow coastal lagoon located in southern Thailand. In June 2006, surface sediments were sampled in 44 stations in the three sections of the lake (inner-, middle-, and outer sections). Sediment cores were also sampled in 13 stations in three cross-sections of the lake. In surface sediments, trace and major elements, organic matter, sediment grain size analysis, and sulfides were determined, and in the sediment cores, redox profiles were made. Soil samples were also collected at garbage dumping sites in the vicinity of the lake. In addition, the metal accumulation in two catfish species (Arius maculatus and Osteogeneiosus militaris) and the crustacean (Apseudes sapensis) was also investigated. Trace element concentrations in sediments of Songkhla Lake show that, especially the Outer section of the lake, in particular the sediments at

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Polychaete–sediment relations in Rayong, Thailand

Cited by 10 publications

References 29 publications

Diversity and Distribution of Polychaetes in Mangroves of East Coast of India

Diversity and Distribution of Polychaetes in Mangroves of East Coast of India

Distribution and abundance of macrobenthic polychaetes along the South Indian coast

Distribution of Trace Elements in Sediments and Biota of Songkhla Lake, Southern Thailand

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