利用声波断层扫描技术对受到两种 Cerambycid 甲虫(Aromia bungii 和 Massicus raddei)侵扰的城市树木的内部状况进行非侵入式评估

Forests Pub Date : 2024-07-15 DOI:10.3390/f15071231
Byeong-jong Lee, Seulki Son, Jong-kook Jung, Yonghwan Park
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引用次数: 0

摘要

将蛀木害虫引入非本土地区会对全球森林生态系统构成重大威胁。Aromia bungii和Massicus raddei原产于包括韩国在内的亚洲地区,但在全球城市林业中具有潜在的重要性,它们是严重的树干蛀虫,最近侵染了韩国城市景观中的寄主树木。外部损伤的迹象有助于识别受啮齿目蛀虫危害的树木。然而,在不造成损害的情况下评估树木的内部状况是一项挑战,这阻碍了对仍在存活的受侵染树木的管理。本研究评估了声波断层扫描技术在评估树木木质部分损伤特征方面的潜在用途,如分别被 A. bungii 和 M. raddei 侵染的 Prunus × yedoensis 和 Quercus palustris。在调查的 45 棵树中,通过目测记录了外部部位的孔洞数量。声波断层扫描图像显示了腐烂区域,从而可以比较受侵染和未受侵染树木的内部损坏情况。受到这两种陶瓷甲虫侵染的树木的内部状况与健康树木不同。一些健康树木的内部损伤极小,而那些未受甲虫侵染的树木则出现了腐烂区域,这可能是由非生物因素造成的,如冰冻裂缝。总之,声波断层扫描设备可用于对城市树木中蛀木昆虫造成的内部损伤进行非侵入式评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Non-Invasive Assessment of the Internal Condition of Urban Trees Infested by Two Cerambycid Beetles, Aromia bungii and Massicus raddei, Using Sonic Tomography
The introduction of wood-boring insects to non-native areas can pose a significant threat to global forest ecosystems. Aromia bungii and Massicus raddei, native to Asia including Korea but potentially important in urban forestry worldwide, are severe trunk borers that have recently infested host trees in urban landscapes of Korea. The signs of external injury can help identify cerambycid-infested trees. However, assessing the internal condition of trees without causing damage is challenging, which hinders the management of infested trees that are still alive. This study evaluated the potential use of sonic tomography to assess injury characteristics in the woody parts of trees, such as Prunus × yedoensis and Quercus palustris infested by A. bungii and M. raddei, respectively. Among the 45 investigated trees, the number of holes on external parts was recorded by visual examination. Sonic tomography images revealed decayed areas, allowing for a comparison of internal damage between infested and non-infested trees. The internal status of trees infested by the two cerambycid beetles differed from that of healthy trees. While some healthy trees exhibited minimal internal damage, those that were not infested by beetles showed decayed areas, potentially caused by non-biological factors such as frozen cracks. In conclusion, sonic tomography equipment can potentially be used for non-invasive assessment of internal injuries caused by wood-boring insects in urban trees.
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