Study of microplastics pollution in sediments and organisms in mangrove forests: A review

Maghsodian, Zeinab; Sanati, Ali Mohammad; Tahmasebi, Saeid; Shahriari, Malek Hossein; Ramavandi, Bahman

doi:10.1016/j.envres.2022.112725

Cited by 64 publications

(24 citation statements)

References 74 publications

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“…In the present study, the MP colors in MWS and QZP were predominantly transparent, while blue in LZB and multicolored in SK. In the former case, it was possible that some commercial fish and their larvae were visual predators that preyed on small plankton and may feed on more prey-like colored MPs, thus transparent MPs may increase and accumulate more in mangrove sediments (Maghsodian et al, 2022). In the latter case, multicolored MPs may originate from the packaging of various fishing gears during fishermen's fishing activities (Maghshidan et al, 2020).…”

Section: Colormentioning

confidence: 99%

Tidal variation shaped microplastic enrichment patterns in mangrove blue carbon ecosystem of northern Beibu Gulf, China

et al. 2022

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Mangroves are considered to be a sink for microplastics (MPs) due to their unique characteristics. Previous studies mainly focused on the spatial distribution of MPs, but few researchers have addressed the influence of tidal variation on this distribution, especially since the MP total number in mangroves was unknown. In this study, surface sediment samples were collected in mangroves from the Beibu Gulf, South China Sea, and the abundance, composition, and number of MPs were investigated. The results showed that MPs were widely present in all mangrove sediment samples, with abundances ranging from 26.67 ± 9.43 to 239.94 ± 37.80 items/kg. The distribution of MPs was heterogeneous among different sampling sites, with the highest levels in the Shankou (SK) area. The MP abundance in the same mangrove forest gradually increased from the low tidal zone to the high tidal zone, with the enrichment factor ranging from 1.50 to 4.00. The MP abundance was significantly correlated with particulate organic carbon (POC) (n = 12, R = 0.664, p < 0.05). Results showed that mangroves had an interception effect on MPs and factors affecting MP distribution in mangrove sediments included not only tides but also human activities, such as aquaculture, agriculture, and residential life. Finally, this paper estimated the MP total number in mangroves at different sampling areas and tidal zones, and the middle tidal zone was considered to be more accurate for MP pollution assessment in mangroves.

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Section: Colormentioning

confidence: 99%

Tidal variation shaped microplastic enrichment patterns in mangrove blue carbon ecosystem of northern Beibu Gulf, China

et al. 2022

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“…The mangrove biome is recognized worldwide as constantly threatened due to its proximity to urban and industrial zones that dump a wide range of pollutants with little or no treatment [ 39 , 40 ]. Mangrove thickets are natural filters for the contaminants that do not readily decompose, such as MPs [ 9 , 40 , 41 , 42 , 43 ], and thereby play an important role in the ecological purification of water [ 44 , 45 ]. The muddy mangrove sediment can contain up to eight times more MP than non-mangrove residues [ 42 ].…”

Section: Introductionmentioning

confidence: 99%

Accumulation of Plastics and Trace Elements in the Mangrove Forests of Bima City Bay, Indonesia

Moniuszko

Malonga²,

Koczoń³

et al. 2023

Plants

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Pollution with microplastics (MPs), nanoplastics (NPs) and trace elements (TEs) remains a considerable threat for mangrove biomes due to their capability to capture pollutants suspended in the water. This study investigated the abundance and composition of plastics and TEs contained in the soil and pneumatophores of Avicennia alba sampled in experimental areas (hotel, market, river mouth, port, and rural areas) differentiated in anthropopressure, located in Bima Bay, Indonesia. Polymers were extracted and analyzed with the use of a modified sediment isolation method and Fourier transform infrared spectroscopy. Trace elements were detected by inductively coupled plasma optical emission spectrometry. The lowest and highest quantities of MPs in soil were recorded in rural and hotel areas, respectively. The rural site was characterized by distinct MP composition. The amounts of sediment-trapped MPs in the tested localities should be considered as high, and the recognized polymers partly corresponded with local human activity. Concentrations of seven plastic types found in plant tissues did not entirely reflect sediment pollution with nine types, suggesting a selective accumulation (particularly of polyamides and vinylidene chloride) and substance migration from other areas. Very low concentrations of non-biogenic TEs were observed, both in sediments and pneumatophores. The results highlight the relevance of environmental contamination with plastics.

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“…The presence of weed around the mangrove forest makes it susceptible to bush fires especially during the dry season. In addition, anthropogenic activities such deforestation, sand mining, building of houses, reclamation, and oiling activities destroy the mangrove vegetation [4] and lead to sediment build up in the mangrove forest resulting in the conversion of swampy to sandy soil [5]. The sandy soil supports the proliferation of weeds and macrophytes.…”

Section: Introductionmentioning

confidence: 99%

Environmental Impact of Bush Burning on the Physico-Chemistry of Mangrove Soil at Eagle Island, Niger Delta, Nigeria

Numbere¹,

Obanye²

2023

AJPS

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Wetland soils derive their chemical composition from the sedimentary rock underneath. Among the metals produced are trace and nutrient elements which facilitate plant growth. Bush burning near mangrove forest is a common practice that has not been given much attention despite its negative impact on the environment. We thus hypothesize that the application of fire on wetland soil will negatively impact the soil chemistry. We collected soil samples from burnt and unburnt soilsat different distances from the point of burning to compare the concentration of nutrient elements (Calcium (Ca 2+ ), iron (Fe), Magnesium (Mg), Nitrate ( 3 NO − ), Phosphate ( 3 4

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Study of microplastics pollution in sediments and organisms in mangrove forests: A review

Cited by 64 publications

References 74 publications

Tidal variation shaped microplastic enrichment patterns in mangrove blue carbon ecosystem of northern Beibu Gulf, China

Tidal variation shaped microplastic enrichment patterns in mangrove blue carbon ecosystem of northern Beibu Gulf, China

Accumulation of Plastics and Trace Elements in the Mangrove Forests of Bima City Bay, Indonesia

Environmental Impact of Bush Burning on the Physico-Chemistry of Mangrove Soil at Eagle Island, Niger Delta, Nigeria

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