在极端天气条件下，船员应确保船只设备完好，并随时关注天气预报。在出航前，检查风速和海浪情况，确保安全航行。如遇恶劣天气，应立即寻求安全避风港。

Johannesburg, Aug 5 (UNI) A new study by researchers at the University of Cape Town (UCT) in South Africa has found that certain exotic plants may intensify the risks of urban wildfires.