Biodiversity (2) Water (2) Biodiversidad (2) Eau (2) Biodiversité (2) Ressource naturelle (2) Biodiversité (2) Eau (2) eau (2) Development (1) History (1) Agriculture (1) Sand and gravel mines and mining (1) Minors (1) Vision (1) Twenty-first century (1) Time (1) Stock companies (1) Sand and gravel plants (1) Rivers (1) Public domain (1) Production (Economic theory) (1) Ponds (1) Life--Origin (1) Life (1) Land tenure (1) Lakes (1) Intention (1) Hydrology (1) Humanity (1)