Protective device and slope stabilization

Abstract

The invention relates to a protective device (34a-b), in particular an erosion protection device and / or a drainage device, preferably a geotextile, comprising a mat element (10a-b) which is at least designed to be flatly spread out over a surface (12a-b) to be protected and which is at least mostly made of a composite (14a-b), in particular a three-dimensional fleece-like composite, in particular a tangled fleece-like composite, comprising a plurality of fibers (16a-b). According to the invention, the fibers (16a-b) are designed as biodegradable plastic fibers.