Balanus balanus found at depths of up to and grows on bedrock, boulders, pebbles and shells. It seems to favour habitats with strong currents and when overcrowding occurs, adopts different shapes to fit the space available. It is often found growing alongside another barnacle, "Balanus crenatus". Other species often found in its vicinity include "Tubularia larynx", "Obelia geniculata", "Pomatoceros triqueter", "Pecten maximus", "Hydroides norvegica", "Chlamys opercularis" and "Sertularia" species. Coralline algae was often present as were the whelk, the European edible sea urchin ("Echinus esculentus"), the great spider crab ("Hyas araneus") and the shore crab ("Carcinus maenas"). The main predator is the
Botanical Garden of Tver State University Garden identified the following sectors: The following departments: The Division is divided into sub-sections: Small-leaved mixed forest, broadleaf forests, oak, the site of the South European deciduous forests Placed on the territory of some 350 species. The most widely represented the family Araceae (about 50 species), Orchidaceae (about 20 species), Polypodiaceae (about 30 species), Arecaceae (15 species), Bromeliaceae (10 species), Agavaceae (10 species), Gesneriaceae (10 species), Liliaceae (10 species). At the station placed 135 species. Most of the species collected in the collection of natural habitats. Represented by steppe species, for which the Tver region is the northern boundary of