All these questions require monitoring and research before effective countermeasures can be devised. "By just relying on guesswork, we oversimplified the problem, and mistakenly believed that native species would not be affected. This is why people were unprepared when the disease advanced into the mountains," says Chao Jung-tai, who believes this also partly explains the lack of preventive strategies.
都需要監測、研究，「過去僅憑著臆測，問題被簡化，認為原生樹種不會受波及，線蟲進逼山區，才讓人始料未及」，趙榮台認為這也是線蟲防治一直缺乏對策的因素。