Subj : ES Picture of the Day 02  2023
To   : All
From : Dan Richter
Date : Thu Feb 02 2023 11:01:08

 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 Biofouling

   February 02, 2023

    Mila_epod_2 (004)

    Mila_epod_3 (005)

   Photographer:  Mila Zinkova
   Summary Author:  Mila Zinkova

    Biofouling is an accumulation of marine organisms found on the
   underwater parts of vessels, docks, etc. (top photo shows biofouling on
   a shipwrecked hull). On occasion, they can be dangerous to the
   environment. For example, on January 1, 2023, a  cruise ship was
   refused permission to dock in Australian ports because it carried a
   deleterious fungus on its hull.

   At about the same time, a small shipwreck was washed out at  Ocean
   Beach in San Francisco. It was almost completely covered by biofouling,
   which included a sea anemone, sponges, algae and barnacles. The
    barnacles were still alive since they're able to survive for many
   years without water, as you can see from  this video (made of the
   shipwreck). If you look closely, you can them popping out of their
   shells (bottom photo, at top center).


   Ocean Beach, California Coordinates: 32.7495, -117.2470


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-
   Earth Science Picture of the Day is a service of the  Universities
   Space Research Association.

https://epod.usra.edu
 
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