TY JOUR TI THE STATE OF THE COASTAL AREAS OF CRIMEA DURING THEIR RECREATIONAL USE KW Coast KW coastal zone KW coastal protection KW coastal strengthening KW biopositivity KW beach KW recreation KW recreational zone KW environmental safety JO Construction and industrial safety AU Mennanov, E.M. AU Mennanov, E.E. PY 2025 IS 0 PB V.I. Vernadsky Crimean Federal University