Abstract:Climate change, typified by drought, floods and rising temperatures continue to affect biodiversity in the world. Recently, outbreaks of new insect, weed and plant pathogen species have been reported in SADC and some old ones have increased in severity while others have diminished. Examples of new insects that have threated food security and trade in the region include the fall army worm (Spodoptera frugiperda) and tomato leaf miner (Tuta absoluta). Over 50% of the Hartbeespoort Dam near Pretoria is covered b… Show more
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