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61,005 resultsShowing papers similar to Abundance and Diversity of Polychaete Worms in Kapuas Estuary, West Kalimantan
ClearContamination of Microplastics in Surface Waters of Kapuas Kecil Estuary West Kalimantan
Researchers measured microplastic abundance in surface waters of the Kapuas Kecil Estuary in West Kalimantan during low and high tides at three stations, finding 62–173 particles per liter with the highest concentrations near industrial and shipping activity zones.
Ingestion of microplastics by the estuarine polychaete, Namalycastis sp. in the Setiu Wetlands, Malaysia
This study confirmed microplastic ingestion by the deposit-feeding polychaete Namalycastis sp. in Setiu Wetlands, Malaysia, with fibers and fragments detected in worms across six sampling stations in the estuary.
Abundance of microplastic in different coastal areas using Phragmatopoma caudata (Kroyer in Morch, 1863) (Polychaeta: Sabelariidae) as an indicator
Researchers used reef-building worms (Phragmatopoma caudata) as biological indicators to compare microplastic contamination across different coastal areas in Brazil. By analyzing the worms' tube structures and surrounding sediment, they found varying levels of microplastics that reflected local pollution sources. The study suggests these filter-feeding organisms can serve as practical tools for monitoring microplastic pollution along coastlines.
Evidence of microplastics in the polychaete worm (capitellids—Capitella capitata) (Fabricicus, 1780) along Thoothukudi region
Microplastic occurrence was documented for the first time in the polychaete worm Capitella capitata collected from two sites near Thoothukudi, India, with the worm's non-selective feeding making it a useful pollution bioindicator.
Abundance and distribution of microplastics in tropical estuarine mangrove areas around Penang, Malaysia
This study documented microplastic pollution in tropical mangrove estuaries around Penang, Malaysia, finding thousands of plastic particles in both water and sediment samples. Concentrations were particularly high near the more urbanized Seberang Perai area, where sediment contained up to 4,000 particles per kilogram. The research highlights that tropical mangroves, which serve as important nursery habitats for marine life, are accumulating significant amounts of microplastic pollution.
Marine Polychaetes as Biomonitoring Tools for Total Mercury in BTS Beach Environments
Researchers collected marine polychaete worms from Todos os Santos Bay in Brazil to monitor mercury contamination in the coastal environment. These bottom-dwelling worms are effective biomonitors because they live in and feed within sediments where toxic metals tend to accumulate. The study demonstrates the utility of polychaetes as biomonitoring tools for tracking mercury pollution in beach environments affected by industrialization and urbanization.
Diversity of Bivalvia Types in the Mangrove Area of Sungai Nyirih Village, West Kalimantan
This study identifies and catalogs bivalve species (cockles and blood clams) living in mangrove ecosystems of West Kalimantan, Indonesia. It is not directly about microplastics; while bivalves are commonly used as bioindicators for microplastic contamination, this paper does not assess plastic ingestion or pollution levels and is a false positive for microplastic relevance.
Nematode Community Structures in the Presence of Wastewater Treatment Plant Discharge
Researchers examined how wastewater treatment plant (WWTP) discharge affects nematode communities in sediments of St. Andrew Bay, Florida. Sites near WWTP outflows showed altered nematode diversity and abundance compared to reference sites. Nematode communities are sensitive indicators of sediment pollution and can be used to assess the ecological impact of wastewater discharge including microplastic contamination.
Kelimpahan Makroplastik Di Wilayah Perairan Muara Sembilang Samboja Kabupaten Kutai Kartanegara
This Indonesian study measured the abundance of macroplastic debris in the estuary waters of East Kalimantan. The high levels of large plastic items documented in this coastal waterway represent potential sources of microplastic pollution as the materials fragment over time.
The effects of land‐use change on semi‐aquatic bugs (Gerromorpha, Hemiptera) in rainforest streams in Sabah, Malaysia
Not relevant to microplastics — this ecological study investigates how logging and conversion to oil palm plantation affects the abundance and diversity of semi-aquatic insects in streams in Sabah, Malaysia.
Nematode functional traits and community structure change from river to the terrestrial border in Segara Anakan Mangrove, Indonesia
This study examined the spatial distribution of nematode functional traits and community structure across a mangrove ecosystem in Indonesia, from river to terrestrial border. Nematode communities are sensitive biological indicators of environmental health, including the effects of microplastic contamination in marine sediments.
The presence of microplastics in Surabaya coastal area and its correlation with conventional water quality parameters
Researchers measured microplastic presence in coastal waters of Surabaya, Indonesia, and examined correlations with marine biodiversity indicators. Elevated microplastic concentrations were associated with reduced diversity of benthic organisms at contaminated sites.
The impacts of microplastic ingestion on marine polychaete worms
This thesis investigated how polychaete worms (common bottom-dwelling marine animals) ingest and are affected by microplastics across estuaries in South Devon, UK. Microplastics were found to cause measurable harm to these organisms, which play important roles in marine sediment ecosystems.
Abundance of Microplastics in Mangrove Sediments on Pari Island, Jakarta Bay, Indonesia
Researchers sampled mangrove sediments on Pari Island in Jakarta Bay in two seasons and identified microplastics by shape, color, size, and polymer type, finding that seasonal variation affected abundance and distribution. The study documents microplastic accumulation in a mangrove ecosystem adjacent to the Indonesian capital.
Abundance of Microplastics in the Waters of Pelangan Village, West Lombok as an Indicator of Pollution
Researchers measured microplastic abundance in water, sediment, and gastropod samples from three locations in Pelangan Village, West Lombok, Indonesia, finding microplastic contamination in all compartments and establishing baseline pollution levels for this coastal area.
Analisis Bentuk Mikroplastik pada Sedimen Pantai Mangrove di Kalimantan Barat
Microplastic shapes and compositions were analyzed in mangrove beach sediments in West Kalimantan, Indonesia, finding that 80% of plastic waste entering the coast eventually settles and degrades into microplastic particles concentrated in vegetated mangrove environments.
Abundance of Microplastics and Hazard to the Environment in Estuary Water in Pemalang, Central Java, Indonesia
Researchers measured microplastic abundance and types at five sampling locations in the estuary waters of the Pemalang River in Central Java, Indonesia, finding persistent microplastic hazards driven by local human activities and plastic waste inputs.
Occurrence, abundance, and distribution of microplastics pollution: an evidence in surface tropical water of Klang River estuary, Malaysia
Researchers measured microplastic abundance, size, shape, and polymer type in surface water of the Klang River estuary in Malaysia — a highly urbanized waterway — finding concentrations among the highest reported in Southeast Asian estuaries, with industrial packaging materials and synthetic textiles as the dominant sources.
Organic enrichment can increase the impact of microplastics on meiofaunal assemblages in tropical beach systems
Researchers found that organic enrichment amplifies the negative impact of microplastics on meiofaunal assemblages in tropical beach sediments, with combined pollution causing greater diversity loss than either stressor alone.
Taxonomic Composition Change after Environmental Levels Addition of Polyethylene Microplastic (PE-MPs) to Mediterranean Sediment: Case Study of Bizerte Lagoon Nematodes Communities
Researchers investigated how environmentally relevant concentrations of polyethylene microplastics affect nematode community composition in Mediterranean lagoon sediments, documenting taxonomic shifts in these microscopic worms that serve as indicators of sediment health.
The contribution of estuaries to the abundance of microplastics in Jakarta Bay, Indonesia
Researchers found that rivers draining into Jakarta Bay are a major source of microplastics, with polyethylene fragments in the 300-500 micrometer size range dominating, and that spatial variation in abundance across nine estuaries reflects differences in local land use and waste management.
Microplastic pollution in the Belawan Estuary, Indonesia: Evidence from aquatic biota and polymer characterization
Researchers investigated microplastic pollution in the Belawan Estuary, Indonesia, by sampling aquatic biota and characterizing polymer types using spectroscopic methods. They found widespread microplastic contamination across multiple species, with polymer composition reflecting local plastic waste sources and demonstrating bioaccumulation of microplastics through the estuarine food web.
The potential for microplastics to cause harm in the marine environment
This thesis assessed the potential for microplastics to harm marine organisms, focusing on benthic polychaete worms that live in and around contaminated sediments. The research investigated both the physical toxicity from ingested plastic particles and the chemical toxicity from pollutants sorbed onto microplastic surfaces, where concentrations of these contaminants can be much higher than in surrounding seawater.
Identifikasi dan Kepadatan Mikroplastik pada Sedimen di Mempawah Mangrove Park (MMP) Kabupaten Mempawah, Kalimantan Barat
Researchers identified four types of microplastics — fibers, fragments, films, and microbeads — in sediments at a mangrove park in West Kalimantan, Indonesia. Microplastic density was highest in the shallowest sediment layer, suggesting recent deposition from surrounding activities.