St. Johns River

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St. Johns River. A. Quinton White, Jr., Ph.D. Executive Director Professor of Biology and Marine Science. St. Johns River. Water Elevations at Selected SJR Gauging Stations (1/1960-12/2008). William Bartram’s Alligators 1773 or 74. St. Johns River- slow and steady. - PowerPoint PPT Presentation

Transcript of St. Johns River

St. Johns River

A. Quinton White, Jr., Ph.D.Executive Director

Professor of Biology and Marine Science

St. Johns River

Water Elevations at Selected SJR Gauging Stations (1/1960-12/2008)

William Bartram’s Alligators 1773 or 74

St. Johns River- slow and steady

St. Johns River- very riverine

St. Johns River- spring-fed

St. Johns River- Lake George

1864

JacksonvilleDowntown JAX

Algae JUJU dock_08/2005

Algae JUJU dock_08/2005

LSJR east bank Buckman

Buckman_East bank approach 08/2005

Lake George- April 2009

Panama Canal

Post-Panamax Shipping

Central Florida’s Never-Ending Thirst Threatens the St. Johns River

How Much is Too Much?- Proposed Water Withdrawal Sites

The St. Johns Just Upstream of a Proposed Withdrawal

1918

Estuaries

Hydrology of Estuaries

Salt Marsh Cross Section

Animals of the Estuaries

Shrimp

Edible Shrimp

Other Shrimp

Oysters- Crassostrea virginica

Birds

Fiddler Crabs

Manatees

Question?