Plastic erosion control netting can be a death trap for snakes and other wildlife, Parque Nacional da Serra da Bocaina, São Paulo, Brazil. This type of netting helps stabilize the soil on steep slopes. However, it also acts as a death trap for animals, especially snakes. It is far better to use anti erosion netting made out of natural fibers that decompose within a year or so. Plastic netting can continue to be a death trap for decades.