Pollinator depletion: new threat to agriculture
Lazarus Sauti The Southern African Development Community’s food security situation is facing a serious threat from the shrinking number of pollinators – living organisms that transfer pollen to the stigma of a flower. Wild and managed pollinators, according to agronomist, Jonathan Rwodzi, have gone down over the last 50 years due to diseases, invasive species, the increasing use of pesticides as well as habitat loss, thereby reducing the abundance and diversity of floral resources as well as nesting opportunities. “The intensification of agriculture and increasing reliance on pesticides mostly neonicotinoids means that pollinators are chemically exposed to cocktails of agro-chemicals," he said. Echoing similar sentiments, Pride Machingauta, secretary of Bee Keepers Association of Zimbabwe Trust, says birds, bees, bats and other animals are increasingly threatened by an onslaught of harmful influences such as excessive use of toxins and bee-killing crop chemicals. ...