In 2006, there were an estimated 28,000 boats registered on the lake system.

Of the 16 existing lake systems around the lake only five remain.

This lake system has been greatly impacted from human activities.

Long before the arrival of the Spanish, the lake system had been shrinking due to climate change.

Since the 17th century, efforts to control flooding in Mexico City have worked to drain the lake system.

Again, interpretation is not straightforward and must be done in context with dynamic properties of the lake system.

There is a complex lake system with many rivers.

It is a large endorheic lake system, which means that the water flows in, but does not flow out.

Through the Holocene, this three lake system, was one body of water.