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題 名 | 白蟻於臺灣熱帶植物園的多樣性與危害方式=Termite Diversity and Damage Pattern in Tropical Botanical Garden of Taiwan |
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作 者 | 李後鋒; 葉信廷; 王亞男; 蔡明哲; | 書刊名 | 國立臺灣大學生物資源暨農學院實驗林研究報告 |
卷 期 | 25:2=272 2011.06[民100.06] |
頁 次 | 頁139-147 |
分類號 | 436.34 |
關鍵詞 | 森林害蟲; 等翅目; 入侵物種; 生物多樣性; 臺大實驗林; Forest pest; Isoptera; Invasive species; Biodiversity; NTU Experimental Forest; |
語 文 | 中文(Chinese) |
中文摘要 | 白蟻在臺灣地區長久以來都被視為重要的森林害蟲,但是對取食熱帶森林樹種的白蟻種類多樣性、危害方式以及危害程度一直都無量化的資料。本研究針對位於南投縣竹山鎮臺大實驗林管轄之下坪熱帶植物園內的樹木做白蟻危害每木調查,結果在3,253棵樹上發現280棵樹有白蟻危害,危害率為8.6%。本次調查共發現五種白蟻,分屬三科四屬,其中以白蟻科(Termitidae)的臺灣土白蟻(Odontotermes formosanus (Shiraki))最為普遍,園內約7.5%樹木遭其危害;鼻白蟻科(Rhinotermitidae)的臺灣家白蟻(Coptotermes formosanus Shiraki)與格斯特家白蟻(C. gestroi (Wasmann))分別佔<0.1%與0.3%的危害率;木白蟻科(Kalotermitidae)的恆春新白蟻(Neotermes koshunensis (Shiraki))與截頭堆砂白蟻(Cryptotermes domesticus (Haviland))則分別佔0.8%與<0.1%的危害率。檢視臺灣土白蟻危害的244棵樹,發現直接取食木質部的僅有23棵樹佔8.8%,其餘危害僅在樹幹表面或樹皮下構築泥道;恆春新白蟻與截頭堆砂白蟻的危害則侷限在枯木或者活樹上死亡的樹枝或樹幹內部,不直接取食活體部份;臺灣家白蟻僅在一棵樹上發現,而外來物種格斯特家白蟻則危害11棵樹,其中7棵為活樹,其危害方式在樹幹表面與木質部均有,相對於其他四種原生白蟻,格斯特家白蟻的危害頻度與危害方式對臺灣熱帶森林樹種具有較大的威脅。 |
英文摘要 | Termites were considered as important forest pests in Taiwan. However, no quantitative information on their diversity and damage pattern was available. In current study, we conducted an overall tree inspection focusing on termite damage in the Xiaping Tropical Botanical Garden, National Taiwan University (NTU) Experimental Forest. Of the 3,253 trees, 280 (8.6%) were infested. Five termite species belonged to four genera of three families were collected. The fungus growing termite, Odontotermes formosanus (Shiraki), was the most frequently encountered species, and its infestation rate was 7.5%. Of the 244 trees infested by O. formosanus, various shapes of mud tubes were found on the surface or underneath of their barks, and only 23 (8%) was damaged in the trunk. The damage of dampwood termite, Neotermes koshunensis (Shiraki), and drywood termite, Cryptotermes domesticus (Haviland), was limited in the dead tree or the dead branches of living trees, and their infestation rates were 0.8% and less than 0.1%, respectively. Two subterranean termites, Coptotermes formosanus Shiraki and C. gestroi (Wasmann), were collected, and their infestation rates were less than 0.1% and 0.3%, respectively. The native species, C. formosanus, was only found on one tree, but the invasive species, C. gestroi, was discovered on 11 trees. C. gestroi built mud tubes on tree barks and also damaged in the trunks of living trees. Based on the abundance and damage pattern, we considered C. gestroi threads the tropical forest most among the five termite species. |
本系統中英文摘要資訊取自各篇刊載內容。