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Ohrid lake


Ohrid lake
Photo Information
Copyright: Zorica Helac (zhelach) Silver Note Writer [C: 7 W: 1 N: 12] (188)
Genre: Landscapes
Medium: Color
Date Taken: 2007-12-31
Exposure: f/4, 1/210 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2008-01-26 21:53
Viewed: 3530
Points: 0
[Note Guidelines] Photographer's Note
Lake Ohrid is a distinctive shelter of large number of freshwater organisms originating from the tertiary period, whose close relatives can be found in fossil forms only. For precisely this reason it bears the name "Museum of living fossils". Its remarkable age, continuing existence, geografic isolation, and the permanency of its living conditions - all of these together enabled most of its inhabitants to continue the process of their further evolution up to this day. This also made it possible for the already existing tertiary living forms in the Lake to further evolve into new taxonomic classes including, subspecies, species, even entire families of newly evolved organisms. Thus, the endemism (presence of distinctive, unique organisms), although less underlined than in Lake Baikal, is the feature of the living world of Lake Ohrid, comprising 88% of endoparasitic Infusoria (tiny parasitic organisms), 44% of rabdocelite, and 71% of trikladite (flat worms), 90% of snails, 66% of small crabs, and 60% of fish.


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