منابع مشابه
Persistent organic pollutants in plastic marine debris found on beaches in San Diego, California.
Plastic debris were collected from eight beaches around San Diego County, California. Debris collected include: pre-production pellets and post-consumer plastics including fragments, polystyrene (PS) foam, and rubber. A total of n = 2453 pieces were collected ranging from <5 mm to 50 mm in size. The plastic pieces were separated by type, location, and appearance and analyzed for polycyclic arom...
متن کاملMarine birds and plastic pollution
The intrinsic properties and widespread presence of plastic particles in the marine environment have profound effects on birds inhabiting the world's oceans. Industrial and user-plastics composed of polystyrene, polypropylene, polyethylene, styrofoam, and polyvinyl chloride are the most prevalent forms of plastic marine pollution. Their dispersal and accumulation, in average densities of 1000 t...
متن کاملPlastic in the Marine Environment
Plastic is cheap, ubiquitous and persistent. In 2010 the world produced 265M tonnes. Annual output is increasing with new uses and varieties augmenting demand. Plastic persists for centuries, much of it finding its way into coasts and waterways. Approximately 80% of marine debris is plastic (mostly bags and bottles), accumulating through spillage, runoff, dumping and discharge; with varied envi...
متن کاملGeographic Differences in Persistent Organic Pollutant Levels of Yellowfin Tuna
BACKGROUND Fish are a source of persistent organic pollutants (POPs) in the human diet. Although species, trophic level, and means of production are typically considered in predicting fish pollutant load, and thus recommendations of consumption, capture location is usually not accounted for. OBJECTIVES Yellowfin tuna (Thunnus albacares) are harvested from across the world's oceans and are wid...
متن کاملPlastic Bronchitis in a Child Presenting as Surgical Emphysema
Plastic bronchitis (PB) refers to the presence of inspissated Bronchial casts (BC) is uncommon in children.Our case presented with subcutaneous emphysema as the dominant manifestation and was suspected to have foreign body in airway, but bronchoscopy revealed a bronchial cast. Subcutaneous emphysema as the initial/sole manifestation of plastic bronchitis is very rare in children.
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ژورنال
عنوان ژورنال: Annual Review of Environment and Resources
سال: 2017
ISSN: 1543-5938,1545-2050
DOI: 10.1146/annurev-environ-102016-060700