hairy rocks

rocks decorated by slimy green algae.

landscapeparks

it is all about proper composition

lemna minor

where once it was blue is now green.  
did you know that "duckweed" not only cleans the water but has more protein per m2 area than soyabeans? this makes the plant attractive as animal feed or raw material for biogas.

green and blue

trees on the shore - always a good combination for a relaxing day.

neuklostersee

Had a great time at Neuklostersee in early spring, catching some sun.

underwater topography

 

 

aquatic life - seen in "hagenbeck's"