Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2016 May 5;6:25446. doi: 10.1038/srep25446

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2016, Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

PMC Copyright notice

The map shows the proportion of each family of compounds reviewed for all sampling locations with published data. The boxplots compare the concentrations of each family of POPs across continents. Interquartile ranges (25^th and 75^th percentile) are shown by the height of the boxes, and the horizontal lines represent medians (50^th percentile). Whiskers range from the 10^th to 90^th percentiles. Concentrations are in ng·g⁻¹ dry weight. The map was generated using the R packages rgdal⁶⁰, maptools⁶¹, and mapplots⁶². Permission is granted to Nature Publishing Group to publish the image in all formats under an Open Access license.