salinity, soil erosion, eutrophication, desertification, silting, denudation, sedimentation, overexploitation, waterweed, azolla, frost heaving, acidification, desalinisation, prussic acid, aridity, leaf scorch, sodic, rhizosphere, mesic, salicornia, halophyte, sinkage, water hyacinth, urbanization, inundation, billabongs, hydrologic cycle, biodiversity, dieback, cajeput, benthos, soils, desiccation, johnsongrass, deltaic, bilharzia, parthenium, watercourse, phytophthora, crusting, phalaris, subsidence, namoi river, siphonage, planktonic algae, riversides, buffel grass, clayey, reservior, coastland, prosopis, typha, canalization, spider mite, pollution, trepang, ingression, herbage, freshwater, chinch bug, marram grass, seacoasts, vegetation, sunscald, murrumbidgee river, nitrification, leafminer, saltpan, ensiling, juglone, salvinia, biofouling, tamarix, brickfields, casuarina, ecologies, hypercalcaemia, sericea, spatterdock, waterbirds, estuarial, simazine, rills, tussock grass, volatilization, depletion, demineralisation, ratoon, irrigation, retting, deforestation, prosopis juliflora, alkalinity, fireweed, reed canary grass, tobacco budworm, toxaphene, tree mallow, arundo, wetland, rivers, catchment, urbanisation, augmentation, breakdown, christianization, commodification, enlargement, feminization, institutionalization, intensification, legalization, loosening, militarization, politicisation, politicization, professionalization, radicalization