RT null T1 Water Hyacinth - Can its Aggressive Invasion be Controlled?: UNEP Global Environmental Alert Service (GEAS) - April 2013 A1 United Nations Environment Programme, K1 biodiversity K1 invasive alien species K1 water hyacinth YR 2013 FD 2013-04 LK https://wedocs.unep.org/handle/20.500.11822/8483 UL https://wedocs.unep.org/handle/20.500.11822/8483 NO Invasive alien species are a major global challenge requiring urgent action. They are considered one of the key pressures on world’s biodiversity: altering ecosystem services and processes, reducing native species abundance and richness, and decreasing genetic diversity of ecosystems. DS UN Environment Document Repository RD Sep 17, 2026