The Native Americans clear land around the Chesapeake Bay to grow crops such as corn, squash, beans and tobacco. They create small, permanent villages near their agriculture.
Native Americans build towns in and around the Chesapeake Bay
Jan 1, 1300
The Native American population is around 24,000
Apr 21, 1500
The Jamestown colony is formed in Virginia
Apr 21, 1607
It is made up of Europeans who arrived from England
There is a very large demand for tobacco
April 21, 1619
Tobacco requires a lot of nutrients from the soil. The soil gets worn out very quickly and can't be used again. The worn out land does not purify groundwater as well as it did before.
St. Mary's city is founded in Maryland
Apr 21, 1634
Colonists start cutting down large amounts of forest
Apr 21, 1650
The wood is used to make boats, and more houses for the growing population. These forests purified runoff before it flowed into the Chesapeake Bay, absorbed excess nutrients, removed sediments and prevented erosion.
The Native American population is now only around 2,400
Apr 21, 1670
Many have died from the sudden increase in water-borne diseases, due to concentrated waste from the cities and towns near water sources, and the lack of trees upstream that absorb runoff.