Input of plastic debris in an urban tropical river system

Bauer-Civiello, Anne; Critchell, Kay; Hoogenboom, Mia O.; Hamann, Mark

doi:10.1016/j.marpolbul.2019.04.070

Cited by 38 publications

(12 citation statements)

References 33 publications

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“…MP ingestion by these juvenile sharks may reflect active consumption as sharks are known to tentatively bite objects to examine them and have been observed ingesting drifting plastics (Carson 2013). There is currently no information available regarding the MP contamination at the site of collection (i.e., Cape Pallarenda), however, a local river system (Ross River) has been identified as a major source of marine debris, indicating marine MP contamination is present in the collection area (Bauer‐Civiello et al 2019). Whether the accumulation of MPs in juvenile Australian sharpnose sharks is a result of direct intentional ingestion, indirect ingestion of MP‐contaminated prey, from passive ingestion of MPs in the seawater, or a combination of these, remains unknown.…”

Section: Discussionmentioning

confidence: 99%

Improved microplastic processing from complex biological samples using a customized vacuum filtration apparatus

Schlawinsky

Santana

Motti

et al. 2022

Limnology & Ocean Methods

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Plastics represent the largest component of marine debris globally. In this context, it is essential to quantify the current extent of plastic pollution, including microplastics (MP; plastics < 5 mm), within marine abiotic and biotic compartments. Despite significant effort, MP studies still face methodological impediments to establish accurate and standardized protocols to separate, process and analyze MPs in environmental samples. Furthermore, underestimation and overestimation of MP contamination, either through loss of MPs or introduction of extraneous MPs during handling and processing, is concerning, particularly when assessing risk profiles for marine ecosystems. Presented here is a custom-made stainless steel vacuum filtration apparatus designed to perform size-tiered separation and facilitate retrieval of MPs from a variety of environmental sample matrices. Incorporating this apparatus into a standard MP workflow achieved efficient graduated separation of commonly found MP fragments and fibers, validated by spike-recovery tests. As a case study, the gastrointestinal tracts of three juvenile Australian sharpnose sharks, Rhizoprionodon taylori, were processed using the filtration apparatus, and 46 anthropogenic items ranging from 0.021 to 8.87 mm were retrieved. This study demonstrates the effective use of the size-tiered stainless steel vacuum filtration apparatus and an improved efficiency in downstream microphotography and spectroscopic analyses of MPs from a complex sample matrix. Finally, it contributes to the MP research field by delivering more reliable estimates of MP contamination in marine ecosystems.

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Section: Discussionmentioning

confidence: 99%

Improved microplastic processing from complex biological samples using a customized vacuum filtration apparatus

Schlawinsky

Santana

Motti

et al. 2022

Limnology & Ocean Methods

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“…The proposed strategy can easily be combined with various plastic monitoring and sampling methods. Existing contemporary initiatives mainly focus on cleanups by kayaks or canoes [21], floating debris-retention booms [11], citizen science data collection [18], litter surveys along riversides, spectral data analyses on bridges, and unmanned aerial vehicles (UAVs) [22]. Through the strategy presented in this paper, data obtained through different methods can be used to quantify macroplastic distribution in urban water systems and identify hotspots.…”

Section: Methodsmentioning

confidence: 99%

Plastic Hotspot Mapping in Urban Water Systems

et al. 2020

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Reducing plastic pollution in rivers, lakes, and oceans is beneficial to aquatic animals and human livelihood. To achieve this, reliable observations of the abundance, spatiotemporal variation, and composition of plastics in aquatic ecosystems are crucial. Current efforts mainly focus on collecting data on the open ocean, on beaches and coastlines, and in river systems. Urban areas are the main source of plastic leakage into the natural environment, yet data on plastic pollution in urban water systems are scarce. In this paper, we present a simple method for plastic hotspot mapping in urban water systems. Through visual observations, macroplastic abundance and polymer categories are determined. Due to its simplicity, this method is suitable for citizen science data collection. A first application in the Dutch cities of Leiden and Wageningen showed similar mean plastic densities (111–133 items/km canal) and composition (75–80% soft plastics), but different spatial distributions. These observations emphasize the importance of long-term data collection to further understand and quantify spatiotemporal variations of plastics in urban water systems. In turn, this will support improved estimates of the contribution of urban areas to the plastic pollution of rivers and oceans.

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“…Plastik merupakan polimer yang memiliki karakter sangat sulit terdegradasi sehingga bersifat persisten di lingkungan. Selain itu, bahan plasticizers yang ditambahkan dalam proses pembuatan plastik, diantaranya phthalate dan bisphenol-A (BPA) telah dilaporkan dapat mencemari makanan dan minuman ketika terlepas dari plastik melalui proses leaching (Bauer-Civiello et al, 2019) .…”

Section: Pendahuluanunclassified

Analisis Kelimpahan Mikroplastik Pada Air Dan Gastropoda Di Sungai Bedadung Segmen Kecamatan Kaliwates Kabupaten Jember

et al. 2022

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Mikropastik merupakan debris plastik berukuran < 5 mm dan dapat mengikat kontaminan kimia serta bersifat persisten di lingkungan. Ukuran mikroplastik yang kecil semakin meningkatkan potensi bahaya mikroplastik apabila masuk ke dalam tubuh organisme akuatik. Penelitian ini bertujuan untuk menganalisis kontaminasi mikroplastik di perairan Kabupaten Jember, dengan medeteksi kelimpahan mikroplastik di air dan gastropoda. Hasil penelitian ini diperlukan untuk memberikan informasi terkait kondisi eksisting kontaminasi mikroplastik di Kabupaten Jember sebagai upaya mitigasi pencemaran plastik di Kabupaten Jember. Penelitian ini dilaksanakan pada bulan Oktober - Desember 2021. Lokasi penelitian ini adalah Segmen Sungai Bedadung di Kecamatan Kaliwates Kabupaten Jember. Metode Penelitian meliputi : 1). Persiapan, berupa penentuan lokasi penelitian; 2). Pengambilan Sampel, berupa pengambilan sampel air dan gastropoda; 3). Identifikasi Mikroplastik, meliputi destruksi sampel dan identifikasi dibawah mikroskop stereo; 5). Analisis Data, berupa penghitungan kelimpahan mikroplastik pada masing-masing sampel. Hasil penelitian menunjukkan bahwa mikroplastik ditemukan pada keseluruhan sampel, dengan rerata kelimpahan, berturur-turut air dan gastropoda sebesar 1,87 partikel/liter, 114,3 partikel/individu. Hasil ini membuktikan terjadi perpindahan polutan mikroplastik dari media air ke dalam tubuh organisme. Hasil ini juga mengindikasikan bioavaliabilitas mikroplastik di dalam tubuh organisme sehingga berpotensi terjadinya biomagnifikasi mikroplastik di perairan dan meningkatkan efek bahaya bagi top predator di perairan Sungai Bedadung Kabupaten Jember. Deseminasi hasil penelitian ini kepada masyarakat luas sangat berperan dalam mitigasi kontaminasi mikroplastik di lingkungan.

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Input of plastic debris in an urban tropical river system

Cited by 38 publications

References 33 publications

Improved microplastic processing from complex biological samples using a customized vacuum filtration apparatus

Improved microplastic processing from complex biological samples using a customized vacuum filtration apparatus

Plastic Hotspot Mapping in Urban Water Systems

Analisis Kelimpahan Mikroplastik Pada Air Dan Gastropoda Di Sungai Bedadung Segmen Kecamatan Kaliwates Kabupaten Jember

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