View Larger Image
Lake Yambo, Ecuador
Lake Yambo, Ecuador, a graben in an endorheic desert region of the Ecuadorian Andes. The sedimentary record of this lake has been studied for changes in the diatom community that reflect changes in conductivity and ENSO events. Photo from old ASLO slide collection; taken by M. Brenner; scanned by K.L. Schulz.