“We estimate that the butterfly population that arrives at the reserve is as much as three and could reach four times the surface area it occupied last season,” Mexican Environment Secretary Rafael Pacchiano said at a press conference at the Piedra Herrada monarch reserve.Monarch populations have witnessed a steady plunge of nearly 90 percent since their peak, hitting roughly 35 million between 2013 and 2014, a stark contrast to around one billion in the mid-1990s.US Interior Secretary Sally Jewell, who addressed reporters alongside Pacchiano, said that the North American countries are making concerted efforts to impede illegal logging and plant more milkweeds, which the monarch butterflies use to produce offspring.
Source: Monarch butterfly population likely to quadruple, says Mexico | News | DW.COM | 13.11.2015












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