Habitat
Nevskia ramosa is a conspicuous inhabitant of the air-water interface of calm freshwater bodies. Its typical habitat forms by virtue of the dipole character of water molecules and their anisotropic positioning at the surface. The water surface has a high surface tension. Therefore, hydrophobic microlayers develop which accumulate organic molecules. The interface harbors a microbial community referred to as “the neuston” (Naumann, 1915). Members of the neuston community can be subdivided into those living underneath the interface, called “hyponeuston,” and those residing on the surface, the so-called “epineuston.” Nevskia ramosa is a member of the epineuston. It forms opaque pellicles on the water surface. These are so hydrophobic that little water droplets sprayed on them (as on paraffin) keep their spherical shape (Pladdies et al., 2004). Since the air-water interface is exposed to sun radiation, an essential adaptation to life in the neuston layer is ultraviolet (UV)...
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Cypionka, H., Babenzien, HD., Glöckner, F.O., Amann, R. (2006). The Genus Nevskia. In: Dworkin, M., Falkow, S., Rosenberg, E., Schleifer, KH., Stackebrandt, E. (eds) The Prokaryotes. Springer, New York, NY. https://doi.org/10.1007/0-387-30746-X_46
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