نتایج جستجو برای: plastic debris

تعداد نتایج: 68854  

2012

Solid wastes are commonly found on Malaysian beaches as any other parts of the world. Generally known as beach debris, this particular type of waste is treated similar to other municipal waste in Malaysia where 95% of it will be disposed off into landfills. Studies were conducted on four beaches in Peninsular Malaysia namely Teluk Kemang, Pasir Panjang, Batu Burok, and Seberang Takir. The objec...

2014
Qamar Schuyler Britta Denise Hardesty Chris Wilcox Kathy Townsend

Ingestion of marine debris can have lethal and sublethal effects on sea turtles and other wildlife. Although researchers have reported on ingestion of anthropogenic debris by marine turtles and implied incidences of debris ingestion have increased over time, there has not been a global synthesis of the phenomenon since 1985. Thus, we analyzed 37 studies published from 1985 to 2012 that report o...

Journal: :Journal of Hazardous Materials 2020

Journal: :Environmental Science & Technology 2016

2012
STEPHEN SUMMERHAYES

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...

M. Salehi and A.S. Ayatollahi,

In this research the effect of volume and morphology of eutectic carbides on tribological behaviour of Ni-Hard 4 cast irons have been investigated. Therefore, as a result of the fact that the carbon content effects the carbides morphology of Ni-hard cast irons, the chemical compositions of five different specimens were kept constant with the exception of the carbon content, which was varied fro...

Journal: :Marine pollution bulletin 2001
S L Moore D Gregorio M Carreon S B Weisberg M K Leecaster

Many studies have quantified debris collected on beaches around the world. Only a few of those studies have been conducted in the United States, and they are largely limited to semi-quantitative efforts performed as part of volunteer clean-up activities. This study quantifies the distribution and composition of beach debris by sampling 43 stratified random sites on the Orange County, California...

2016
Maria Luiza Pedrotti Stéphanie Petit Amanda Elineau Stéphane Bruzaud Jean-Claude Crebassa Bruno Dumontet Elisa Martí Gabriel Gorsky Andrés Cózar

The composition, size distribution, and abundance of floating plastic debris in surface waters of the Mediterranean Sea were analyzed in relation to distance to land. We combined data from previously published reports with an intensive sampling in inshore waters of the Northwestern Mediterranean. The highest plastic concentrations were found in regions distant from from land as well as in the f...

Journal: :Environmental science & technology 2013
Erik R Zettler Tracy J Mincer Linda A Amaral-Zettler

Plastics are the most abundant form of marine debris, with global production rising and documented impacts in some marine environments, but the influence of plastic on open ocean ecosystems is poorly understood, particularly for microbial communities. Plastic marine debris (PMD) collected at multiple locations in the North Atlantic was analyzed with scanning electron microscopy (SEM) and next-g...

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