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題 名 | Application of Necrophilous Beetles to Long-term Monitoring of a Forest Ecosystem Associated with Climatic Change=氣候變遷下親屍性甲蟲在森林生態系統長期監測的應用 |
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作 者 | 黃文伯; 葛兆年; | 書刊名 | 臺灣林業科學 |
卷 期 | 28:2 2013.06[民102.06] |
頁 次 | 頁83-96 |
分類號 | 387.785 |
關鍵詞 | 親屍性甲蟲; 誘餌效果; 生物多樣性; 群聚結構; 長期監測; Necrophilous beetles; Bait effect; Biodiversity; Community structure; Long-term monitoring; |
語 文 | 英文(English) |
中文摘要 | 以親屍性甲蟲長期監測北台灣哈盆自然保留區之生物多樣性,並評估6年間林地與草地之親屍性甲蟲在物種組成上的變化。林地親屍性甲蟲之種豐富度、個體數及多樣性皆顯著高於草地,且兩地群聚組成之相似度僅3.95%,其差異可能與兩地植被種豐富度及歧異度不同有關。誘餌掉落式陷阱相較於無誘餌掉落式陷阱捕獲較多的甲蟲物種數及個體數,且兩種陷阱中,捕獲量大的物種並不相同,我們建議採用誘餌掉落式陷阱調查研究全球暖化對親屍性甲蟲群聚組成之影響。本研究在受屍體誘餌吸引的甲蟲中選定7科42種甲蟲做為長期監測物種。2006年草地監測之甲蟲多樣性較2001年顯著提高,且兩年群聚相似度僅14.7%。林地的多樣性在2001、2006與2007年間有顯著的差異,惟監測甲蟲個體數在3年間無顯著差異,而後兩年與2001年的群聚相似度分別為49.0及44.9%。氣溫的改變可能是不同年間親屍性甲蟲群聚產生變動的原因之一,草地群聚變動較大似乎受氣溫變化影響較大。 |
英文摘要 | We used necrophilous beetles for the long-term monitoring of biodiversity in the Hapen Nature Preserve in northern Taiwan, evaluating changes in the species compositions of beetle communities in 2 different habitats over a 6-yr period. The species richness, individual numbers, and diversity indices of the beetles were significantly higher in a forest habitat than in a meadow habitat. The species similarity between the beetle communities in the 2 habitats was 3.95%. Differences in species richness and heterogeneity of the vegetation may have affected the compositions of the beetle communities in the 2 habitats. Compared to non-baited pitfall traps, the species richness and individual numbers were greater in baited pitfall traps. Different dominant structures of beetles between non-baited and baited traps were demonstrated. We suggest using baited traps to investigate the effects of global warming on compositions of necrophilous beetle communities. We selected 42 species of necrophilous beetles representing 7 families as indicator species for long-term monitoring of biodiversity during the survey periods. Diversity indices of beetles monitored in the meadow habitat significantly increased in 2006 compared to those in 2001. The community similarity between the 2001 and 2006 survey periods was only 14.7% for the meadow habitat. In the forest habitat, the diversity indices varied and significantly differed among 2001, 2006, and 2007, despite the annual individual numbers not significantly differing. Based on comparisons of data from 2001 with those from the 2006 and 2007 survey periods, beetle-community similarities in the forest habitat were 49.0 and 44.9%, respectively. Variations in species compositions of beetle communities in the 2 habitats in different years may have been due to changes in the ambient temperature. Moreover, communities of necrophilous beetles in the meadow habitat were probably more strongly influenced by changes in temperature than those in the forest habitat. |
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