All the contributions, both positive and negative, of nature (i.e. biodiversity, ecosystems, and their associated ecological and evolutionary processes) to good quality of life of people. Beneficial contributions from nature include such things as food provision, water purification, flood control, and artistic inspiration, whereas detrimental contributions include disease transmission and predation that damages people or their assets. Many NCP may be perceived as benefits or detriments depending on the cultural, temporal or spatial context.