title: Ecosystems on the brink.
authors.affiliation: New York Time, USA.
authors.forename: Carl
authors.initials: C
authors.lastname: Zimmer
mesh_terms: D000818:Animals; D017753:Ecosystem; D056727:Endangered Species; D020387:Food Chain; D008962:Models, Theoretical; D049897:Pectinidae; D011156:Population Density; D012754:Sharks; D019596:Wolves