Unified Interior Regions

Florida Coastal Mapping project agency priorities.

Daylight and fluorescent images of a Montastrea cavernosa coral colony growing on the seawall at Ft. Jefferson, Dry Tortugas National Park. The brownish color of the coral in daylight is largely attributable to chlorophyll contained within the symbiotic algae harbored by the coral. The fluorescent image was taken at night using blue LED lights to stimulate

The stories in the Dec. 2010 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2010/12/

California Sea Otter Numbers Drop Again

Search for Evidence of Prehistoric Tsunamis and Great Earthquakes on Chirikof Island,

Bruce Bernard (left) and Scott McBride (right) obtain water and sediment samples at Egmont Key which is about 1 mile west of the mouth of Tampa Bay in the Gulf of Mexico. Samples were collected June 14, 2010 prior to the possible occurrence of oil contamination from the Deepwater Horizon's oil well.

Daylight and fluorescent images of two coral colonies, Diploria clivosa (left) and Orbicella faveolata (right) growing on the seawall at Ft. Jefferson, Dry Tortugas National Park. The two colonies are separated by an area of dead coral that has been colonized by algae. In the fluorescent image, red corresponds to chlorophyll and green to GFP. Note that

USGS conducts long-term, detailed studies on the life history, population dynamics, and ecological requirements of the West Indian manatee. Federally listed as endangered, the manatee is a large, gentle, plant-eating, and slow-moving marine mammal.