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台灣欒樹引來之椿象對公園不同使用者造成的困擾及其解決方式之影響

The Effect of Scentless Bugs and the Golden-Rain Tree: Problems and Solutions for Different Park

摘要


本土且觀賞性高之臺灣欒樹,近年來種植數量頗多,當其周邊聚集大量紅姬緣椿象(簡稱椿象)時,因困擾民眾,以致年年要求移樹之聲不斷,且與另群不贊同者形成爭議。本研究針對台中市栽植臺灣欒樹較多之舊社、潮洋環保以及公2-2公園,就其使用者進行問卷調查,有效問卷回收520份。研究結果發現民眾對椿象的認知普遍不足。且年齡越低者越厭惡,但61歲以上、男性、以及幾乎每日使用公園者多不以為意,也較不會降低使用公園的意願。另外,隨年齡以及來公園頻率遞增,越不希望移植現有樹木,也不希望噴灑藥劑防治,於椿象集聚時,建議清除椿象即可。本研究結果可做為現有臺灣欒樹之處理與管理、以及提供未來為降低椿象群聚之植栽設計之參考。

關鍵字

混植 多樣性 厭惡 爭議 使用意願

並列摘要


The golden-rain tree ("Koelreuteria formosana") is a native Taiwanese species with beautiful flowers and fruit that changes seasonally. In an unbalanced ecosystem, there may be a massive gathering of scentless plant bugs (Leptocoris augur) around the trees that causes distress among the park’s visitors. Further, this may lead to visitor demands to remove the trees. A questionnaire was distributed in three neighboring parks in Taichung City. There were 520 valid questionnaires. The results revealed that the majority of the respondents lack sufficient knowledge about scentless plant bugs. Younger respondents expressed higher levels of distress. Older people and daily park visitors were not influenced by the bugs and were not discouraged to revisit the parks even when massive amount of bugs gathered around the trees. They were less likely to agree that the golden-rain tree should be removed. Our findings show that when large amounts of scentless plant bugs appeared, frequent removal of the bugs was the most efficient solution. This research provides park administrators with some potential solutions to dealing with this issue.

參考文獻


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