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Microplastic data from surface waters and in stream-rearing steelhead trout (Oncorhynchus mykiss) in a rural coastal California stream
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This is a duplicate dataset entry for the Scott Creek, California steelhead trout microplastics study (same as ID 1861), providing particle count, type, color, and size data from stream water and fish gut contents in a rural coastal watershed. Duplicate entry; the dataset offers baseline contamination data for a salmon-bearing stream in a relatively undisturbed California watershed.
This dataset supports the study of microplastic pollution in Scott Creek, a small coastal watershed in California, USA. It includes measurements of suspended microplastic in surface waters and the gastrointestinal (GI) tracts of juvenile Steelhead Trout (Oncorhynchus mykiss). Data include microplastic particle counts, types (fibers, fragments, shards, foams), colors, and sizes (<5 mm), collected across multiple sites and months. The dataset provides baseline information on microplastic occurrence in a minimally urbanized, salmon-bearing stream, offering critical context for evaluating ecological risks to native fish populations.
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Microplastic data from surface waters and in stream-rearing steelhead trout (Oncorhynchus mykiss) in a rural coastal California stream
AI summary Read the abstract
This dataset entry describes microplastic measurements from the water and the gut contents of juvenile steelhead trout in Scott Creek, a rural California coastal stream, providing baseline contamination data for a salmon-bearing watershed with minimal urban influence. Even in relatively pristine, low-traffic streams, microplastics are present and entering fish, suggesting contamination is pervasive in California waterways regardless of urbanization level. The data supports evaluation of ecological risks to native fish species that are already under pressure from other stressors.
Microplastic concentration and composition in surface waters and in stream-rearing Steelhead Trout (Oncorhynchus mykiss) in a rural coastal California stream
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A survey of a rural coastal California stream found microplastics in both the water and in 60% of juvenile steelhead trout sampled, with fibers making up the dominant particle type in both cases. Microplastic levels in the water peaked during the low-flow summer months, suggesting that reduced dilution allows particles to accumulate seasonally. The high rate of microplastic ingestion in juvenile steelhead—a threatened species—raises concern about whether plastic ingestion contributes to the population pressures already facing these fish.
Microplastics in brown trout (Salmo trutta Linnaeus, 1758) from an Irish riverine system
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Microplastic prevalence and characteristics were assessed in brown trout (Salmo trutta) from an Irish riverine system to investigate plastic ingestion in a freshwater salmonid. The study found microplastics in a proportion of sampled fish, adding to the limited literature on microplastic ingestion in freshwater salmonids and highlighting rivers as an exposure pathway for these commercially important fish.
Data release for microplastics in water, sediment, fish, and mussels in the St. Croix National Scenic Riverway and Mississippi National River and Recreation Area, Wisconsin and Minnesota, 2015
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This dataset documents the concentrations and morphological characteristics of microplastics found in water, sediment, fish, and mussels in the St. Croix National Scenic Riverway and Mississippi National River and Recreation Area in 2015. The data provides baseline information for understanding microplastic contamination in protected freshwater ecosystems.
The presence of microplastics in juvenile Chinook salmon and their nearshore environments
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This study documented microplastic ingestion in juvenile Chinook salmon and their forage fish in the Salish Sea, finding plastic particles across multiple species and providing early evidence of microplastic contamination entering Pacific salmon food webs. The findings highlight the potential for microplastics to affect commercially and ecologically important fish species.
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