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… harvesting, or the creation of physical barriers • Chemical control, including chemical dosing, use of toxic baits, and application of …

… much of the developing world, the accumulation of chemical wastes, or the on-going unsustainable consumption of … accompanied by its requirements for water, synthetic chemical fertilizers, herbicides and intensive use of …

… biomolecule. Nereus Pharmaceuticals filed patents on its chemical synthesis and initiated clinical studies. In 2014, … (see below) Since 2007: Filing of US patents on the chemical synthesis of Salinospor- amide A and analogs by …

… the contamination of watercourses with ‘heavy’ metals, chemical waste or pesticides and fertilizers. It is also … solid (ice) and gaseous (clouds, fog or mist). From the chemical point of view, water is, in its purest form, a … planet, while preserving the hydrological, biological and chemical functions of ecosystems, adapting human activities …

… is also sacred. The decline of vultures in India due to chemical poisoning34 is a problem for Parsi communities, … include erosion, sealing and crusting, and compaction. Chemical degradation: processes leading to soil chemical imbalances, including salinization, loss of …

… ful in ecological terms because its leaf litter contains chemical exudates and prevents other species from growing. … assessment models are still fairly primitive, based on chemical models that do not always ac- count for processes of … of equipment; destruction of infested mate- rial; direct chemical or other control of the invasive organisms; closure …

… (FAO 1991). Aquatic pollution is both physical and chemical. Physically, sedimentation in freshwater bodies … discomfort and reducing the productivity of the system. Chemical pollution creates a situation where fishes are more … Invasive species Control of aquatic weeds through manual, chemical and biological control needs to researched and put …

… of the functions they perform in the hydrological and chemical cycles.17 In addition to these products and … are of great importance since organic (sewage) and toxic (chemical and industrial) sediments are usually the major … increased as a result of ground water penetration, the chemical, physical and biotic conditions of coastal wetlands …

… the value of wet grasslands in performing hydrological and chemical functions, notably: a) flood alleviation - since wet … of these plants, associated flora, fauna and their physico-chemical environment; and b) to describe those plant species …