In Nairobi National Park, Kenya, a lioness stands in front of the buildings of a large city looming on the horizon. This is the photo I chose. Proceedings of the National Academy of Sciences (PNAS), official journal US National Academy of Sciences, to illustrate his one dated 14 February.

In this issue of the interdisciplinary peer-reviewed weekly “Explore how human intrusion [sur les terres sauvages] and climate change are actively affecting global ecosystems and biodiversity at temporal and spatial scales.”

In terms of a long series of articles, the journal is not inferior to the older ones in terms of prestige. The science AND Nature – emphasizes the use of historical and paleontological data to describe how plant and animal communities have responded to environmental disturbances in the past.

Purpose: To provide information on the efforts that need to be made to conserve existing biodiversity. In an introductory article, Jenny McGuire of the Georgia Institute of Technology in the USA reminds us of the importance of developing “new more flexible conservation strategies that make it easier for ecosystems to adapt to change and bring together all local stakeholders.”