1. A floating prefabricated structure (1) with its own or independent support, designed for mounting substrates for plants of floating species, characterized in that it has the shape of a flat polygon with at least three sides and has at least two assembly elements (2, 3 ) for connection with other floating prefabricated structures, where at least one assembly element is a female connector (2), and the other assembly element is a male connector (3), and one or more internal connections itelnyh rods (5) are attached to the ends of the polygonal planar structure (1) and / or other internal terminals and arranged so that allow attachment dependent reference substrate (6) .2. The construction according to claim 1, characterized in that the assembly elements are placed on the sides and / or at the vertices of a flat polygonal structure. A construction according to claim 1, characterized in that said connecting rods (5) are interconnected or connected to the circuit of said floating structure (1) using flexible arcs (7), which allows you to change the distance between the said rods (5). 4. The construction according to claim 1, characterized by the presence of two connecting rods parallel to each other (4), due to which the structure can be divided into two parts or halves. The construction according to claim 1, characterized in that it can be attached to other floating prefabricated structures by means of corresponding assembly elements located on its sides and / or tops, with the formation of a mesh system on the surface of the water.1. Плавучая сборная конструкция (1) с собственной или независимой опорой, предназначенная для крепления подложек для растений плавающих видов, отличающаяся тем, что имеет форму плоского многоугольника с по меньшей мере тремя боковыми сторонами и имеет по меньшей мере два сборочных элемента (2, 3) для соединения с другими плавучими сборными конструкциями, где по меньшей мере одним сборочным элементом является охватывающий соединитель (2), а
