Effects of red tide on dolphins

Jan 18, 2007 No Comments

For decades “red tides” have been considered to be a nuisance along Florida’s Gulf coast and have had a significant impact on the economy, wildlife, and human health of many coastal regions of the U.S. This type of harmful algal bloom (HAB) has been responsible for shellfish poisoning, fishery closures, loss of tourism and marine [...]

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Effects of Red Tide on Prey Availability

Jan 13, 2007 No Comments

Red tide can affect fish in several ways: by exposure to brevetoxin (the neurotoxin produced by the red tide organism, Karenia brevis) in the water; by consuming food that is tainted by brevetoxin; or by exposure to hypoxic water (water with unusually low concentrations of dissolved oxygen), which often accompanies severe red tides. Red tide [...]

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Red Tide Returns in 2006

Jan 04, 2007 No Comments

Beginning in August 2006 and continuing to the present, a persistent bloom of the red-tide alga, Karenia brevis, has been present in Sarasota Bay and surrounding waters. Cell concentrations have reached levels of several million cells per liter of seawater, indicating a severe red tide event. As point of reference, cell concentrations of 1,000 cells [...]

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Effects of red tide on prey availability

Jan 12, 2006 No Comments

Red tide can affect fish in several ways: by exposure to brevetoxin (the neurotoxin produced by the red tide organism (Karenia brevis) in the water; by consuming food that is tainted by brevetoxin; or by exposure to hypoxic water (water with unusually low concentrations of dissolved oxygen), which often accompanies severe red tides. Red tide [...]

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Red tide impacts Sarasota Bay through most of 2005

Jan 12, 2006 No Comments

Beginning in January 2005 and continuing to the time of this writing (October), a persistent bloom of the red-tide alga, Karenia brevis, has been present in Sarasota Bay and surrounding waters. Cell concentrations have reached levels approaching 300 million cells per liter of seawater, indicating a severe red tide event. As point of reference, concentrations [...]

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Effects of Red Tide on Bottlenose Dolphins

Jan 16, 2005 No Comments

For decades “red tide” has been a nuisance along Florida’s Gulf coast and has had a significant impact on the economy, wildlife, and human health of many coastal regions of the U.S. It has been responsible for shellfish poisoning, fishery closures, loss of tourism and marine animal die-offs, including marine mammals. In recent years, several [...]

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