Fig 2. Lake Laysan. A) Satellite picture showing the atoll’s submarine extent. B) Schematic map of Laysan, illustrating the extent of Lake Laysan. C) Aerial view of Laysan, showing the lake divided into at least two parts. The lake’s extent depends very much on rainfall and evaporation. D) Preparing equipment on the dry lake bed. E) View across Lake Laysan. [back]