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Web Dive 2

Rock Key - Page 1

Photo Monitoring Observations
July 18, 2001

This is the second in a series of coral reef observations that we will be presenting on line shortly after each dive takes place. We are currently diving in the Key West area and will be returning to sites that have been part of the Reef Relief Photo Monitoring Survey for the past eight years.

For background information go to the Coral Stress section on this web site in order to get a better understanding of the events that have taken place on this reef over the past eight years.

aerial view

Rock Key Reef 1993 image aerial 01

History

Rock Key Reef is located approximately six miles south of Key West Florida. In 1993 Rit was home to some of the most beautiful Elkhorn coral in the Caribbean. An unprecedented chain of manmade and natural events have degraded this coral reef in less than a decade. In 1998 coral bleaching, massive algae blooms, snail predation and coral diseases struck this reef like a meteor shower.

White Pox

05/14/97 White Pox image WP1

In May of 1997, during one of our routine photo monitoring dives, a new coral disease was first observed. Coral expert Dr. James Porter from the University of Georgia, was taken to the infected site where he named the new ailment White Pox. Since then Dr. Porter has devoted much of his time collaborating with other coral reef researchers, in an attempt to identify the pathogen that caused the outbreak. There are several other white coral diseases that infect elkhorn coral, however, none of them have the speckled characteristics of the White Pox disease.

 

In the aftermath of Hurricane Georges (1998) and Hurricane Irene (1999) over 75% of the living elkhorn coral on this reef had literally been washed away. Many of the fragmented broken pieces of coral that did not wash away , that should have propagated the development of new coral, were sick, infected or were void of living tissue. This resulted in very little coral regrowth from the process of fragmentation.

Palmata Zone

Rock Key Reef 1993 image aerial 02

The scientific name for elkhorn coral is Acropora palmata.
The shallow areas of coral reefs, where this coral grows in abundance, are called the palmata zones.

 


Web Dive 2 - Rock Key Page: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |

Web Dive 1 - Sand Key | Page: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |

 

 

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