This article describes some of the major geographic patterns in species richness, and the processes and theories that are thought to account for these patterns. Much of this knowledge has emerged ...

In tropical South America groups of closely related fish species usually exhibit non-overlapping geographic ranges, a pattern suggesting divergence in allopatry (Albert & Reis 2010). Allopatric ...

Intricate patterns of human life reveal themselves ... And in a magazine layout (this was for National Geographic Traveler) I need to do it all in one picture. There's not time or space to spread ...

His photos appear frequently in National Geographic magazine. St. Kilda is haunting. Everywhere you look there are patterns of a lost life. I came here for frame number 4,167 of the "Edge of the ...