Old wood islands

The contractually secured waste wood islands serve to ensure a minimum number of old, thick, standing trees. They provide habitat for animals and plants that rely on old and dead wood.经合同保障的废弃木岛（waste wood islands）旨在确保至少留存一定数量的老龄、粗壮的立木。它们为依赖老龄木与枯木的动植物提供栖息生境。