RT null T1 Human Impacts of the Nitrogen and Phosphorous Cycles: A water security perspective A2 Bonnis, Gerard K1 phosphorus K1 water YR 2013 FD 2013-10 LK https://wedocs.unep.org/handle/20.500.11822/10809 UL https://wedocs.unep.org/handle/20.500.11822/10809 NO Power point presentation on human impacts of the nitrogen and phosphorous cycles: a water security perspective DS UN Environment Document Repository RD Sep 22, 2026