Growth, global species articles offered by Encyclopædia Britannica

I see that Encyclopædia Britannica is offering access to my articles The global species and The statistician's guide to Utopia: The future of growth as "additional content". In order to access the full-text PDF one has to become a Britannica Online Premium Member. According to the info given, such membership gives access to 300.000 magazine articles - mine two included.

In a content note, Encyclopædia Britannica says about each article that it "has not been reviewed by the editors of Encyclopædia Britannica."

Where is this content from?

Journals and periodicals are supplied by EBSCO Information Services. These articles appear as they did in the original publication, often as a PDF scan of the original document, and have not been reviewed or altered by the editors of Encyclopædia Britannica. Depending on the publication, the original author may have been stating facts or opinions.

Why is this content at Britannica?

Britannica Online offers a variety of content in addition to the Encyclopædia Britannica. This additional content is from high quality sources and provides a valuable service for our users, but visitors are reminded to consider the sources when conducting research. Items from Encyclopædia Britannica are written by Nobel laureates, historians, curators, professors, and other notable experts and checked by our editors to ensure balanced, global perspectives.