Environmental Research Letters
Microplastic debris floating at the ocean surface can harm marine life. Understanding the severity of this harm requires knowledge of plastic abundance and distributions. Dozens of expeditions measuring microplastics have been carried out since the 1970s, but they ha...ve primarily focused on the North Atlantic and North Pacific accumulation zones, with much sparser coverage elsewhere. Here, we use the largest dataset of microplastic measurements assembled to date to assess the confidence we can have in global estimates of microplastic abundance and mass. We use a rigorous statistical framework to standardize a global dataset of plastic marine debris measured using surface-trawling plankton nets and coupled this with three different ocean circulation models to spatially interpolate the observations. Our estimates show that the accumulated number of microplastic particles in 2014 ranges from 15 to 51 trillion particles, weighing between 93 and 236 thousand metric tons, which is only approximately 1% of global plastic waste estimated to enter the ocean in the year 2010. These estimates are larger than previous global estimates, but vary widely because the scarcity of data in most of the world ocean, differences in model formulations, and fundamental knowledge gaps in the sources, transformations and fates of microplastics in the ocean.
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This publication is intended for professionals training or practicing in mental health and not for the general public. The opinions
expressed are those of the authors and do not necessarily represent the views of the Editor or IACAPAP. This publication seeks to
describe the best treatments and pra...ctices based on the scientific evidence available at the time of writing as evaluated by the authors and may change as a result of new research. Readers need to apply this knowledge to patients in accordance with the guidelines and laws of their country of practice. Some medications may not be available in some countries and readers should consult the specific drug information since not all dosages and unwanted effects are mentioned. Organizations, publications and websites are cited or linked to illustrate issues or as a source of further information. This does not mean that authors, the Editor or IACAPAP endorse their content or recommendations, which should be critically assessed by the reader. Websites may also change or cease to exist.
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Special Issue: Special Education in Sub-Saharan Africa | This special issue of our Communication*Support*World*Network*Newsletter attempts to share practical ideas and information about special education for children with disabilities in sub-Saharan Africa. Our intent is to begin a dialogue among th...ose interested in this important topic, and to promote an increased exchange of ideas, approaches, information, resources, and promising practices.
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"Patient decontamination principles are set forth here from a strategic perspective, rather than a tactical
one. The principles are meant to guide, but not specify, operational practices. The guidance is evidencebased
to the extent possible and the supporting evidence is documented and briefly dis...cussed."
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Plos Neglected Tropical Diseases 8(11): e3229 (20 November 2014)
Where there is no doctor Chapter 3
The report offers an overview of the progress the humanitarian sector has made and the obstacles it has faced over the past 10 years. Accountability is no longer just a fashionable term, there is now a shared understanding of what it takes to be accountable. From changes at policy level, to concrete... actions taken in the field, this report documents this sector-wide shift. It also shows that being accountable to the people we aim to serve is not just the right thing to do, it is also the best way to ensure programmes are relevant, effective, efficient and sustainable
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NSP Review
Engaging with South Africa’s National Strategic Plan for HIV, STIs and TB Edition 7 July – August 2013
A publication of the Treatment Action Campaign and SECTION27
GeneXpert: An imperfect rollout
TB in South African prisons: Where to now?
Decentralising DR-TB care: How far alon...g are we?
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