2014、2015、2016年國際樹木協會 ISA 各認證通過人數  各認證通過比例

樹木拉力測試強度表 The FAKOPP pulling test 1. Introduction The stability of urban trees is a key question that affects everyone. Diseased and unstable urban trees pose much risk for everyone, and are a serious liability for municipalities in case of an accident. Tree stability and safety assessment is therefore of the utmost importance. In the meantime it tends to

肉桂 紅樟天牛 紅樟天牛都會侵襲樟枓的樹，這次案例是肉桂遭紅樟天牛啃食 被啃食慘況 孵化紅樟天牛