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… ME4 4TB UK Email: r.a.cheke@greenwich.ac.uk Report to the Food and Agriculture Organization of the United Nations … mass-trapping, which also has the advantage of providing a food source, is recommended when quelea roosts and colonies … was fed. At the ignition site, about 120 cm of yellow safety fuse of slow-burning (8–10 mm.s −1 ) gunpowder was …