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… – land use, pollution, abstraction, livestock, introduced species, or such like. It becomes easy to see that decisions … Why disease should be an integral to wetland management. � Invasive alien species and the parallels for disease control. … The high diversity of host taxa; � The high proportions of invasive alien species with their associated parasites; and � …

… is a pest known to infest over 200 fruit and vegetable species. © Pia Scanlon IPPC contributing to environmental protection – Water hyacinth is an invasive alien species that can grow so densely that a human can walk on it. …