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Celebrating 100 Years of Science! | 1925-2025
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Symbol Package
A graph depicts the low oxygen levels and high ammonium concentrations in 2005 that caused large algae blooms. This put more stress on the ecosystem, resulting in the fish kill.
2005 Corsica River Fish Kill
A graph depicts the increasingly high levels of hypoxia in the Chesapeake Bay since 1970.
Trends in Hypoxic Volume Since 1970
A conceptual diagram illustrates the current threats to native salt marsh species as well as the threats these species will face as their habitat is altered by climate change.
Effects of Climate Change on the Salt Marsh…
Conceptual diagram illustrating the causes of seagrass die-off in Florida Bay.
Model explaining seagrass die-off in Florida Bay
Conceptual Diagram illustrating the process that creates low oxygen levels in an estuary.
Hypoxia
Conceptual diagram illustrating the factors that determine the oxygen content of the tidal waters in the Chesapeake Bay.
Hypoxia and Anoxia
near-anoxic event Providence River showing beggiatoa growing on dense Ulva in a shallow marina basin Aug 2003
Beggiatoa on Ulva in shallow cove Providence…
sulfur precipitate in near-anoxic event Greenwich Cove RI ASugust 2006 from helicopter.
near anoxic sulfidic waters- Greenwich Cove, RI
Wickford Harbor RI from helicopter. water appears to have sulfur precipitate - extreme low DO event in this period Aug 2006
Wickford Harbor RI - sulfidic waters
Helicopter view of Wickford Harbor, RI during a sever hypoxic event. Water appears to have the
Wickford Harbor, RI hypoxic and sulfidic waters
Large fish kill of 8-20-03 due sever hypoxia-near anoxia in Greenwich Bay, RI
Narragansett Bay RI
juvenile menhaden fish kill Greenwich Bay RI 8/20/03
Narragansett Bay RI
juvenile menhaden fish kill (photo 2) Greenwich Bay RI 8/20/03
Narragansett Bay- fish kill 2

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