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池南國家森林遊樂區螢火蟲資源調查及其資源利用

The Survey of the Firefly Resources in Chihnan National Forest Recreation Area and the Fireflies' Resource Utilization

摘要


於2011年4月至2012年4月,以穿越線調查法、飛行攔截板調查法及黃色黏蟲板,於池南國家森林遊樂區之池南區、野餐觀景步道、賞鳥遠眺步道、荖溪四樣區內進行螢火蟲資源調查,結果發現共有日行性螢火蟲1屬1種,夜行性螢火蟲6屬17種螢火蟲,合計7屬18種螢火蟲;分別為黑翅螢、紅胸黑翅螢、小紅胸黑翅螢、大端黑螢、紋螢、梭德氏脈翅螢、姬脈翅螢、黃肩脈翅螢、黃脈翅螢、橙螢、蓬萊短角窗螢、紅胸窗螢、長胸窗螢、赤腹窗螢、山窗螢、赤腹櫛角螢、雲南扁螢及奧氏弩螢;經計算四樣區內之夏農生物多樣性指數及夏農均勻度指數後,結果顯示此四樣區內皆有優勢螢種存在,而四樣區主要優勢螢種皆為黑翅螢,而每個月的主要螢種則各有不同。螢火蟲族群絕對豐度調查依標識再捕法,於2012年3~4月,選定鯉魚山野餐步道出現之黑翅螢成蟲進行,3月黑翅螢族群數量為58.50±11.03隻,4月為1012.38±49.56隻。2011年7月至2011年9月,在池南區進行除草對於窗螢屬及短角窗螢屬螢火蟲幼蟲族群之影響調查,結果顯示除草會使窗螢屬及短角窗螢屬幼蟲移棲至除草區上方之未除草區,但後續調查結果顯示當除草區之植被逐漸恢復,幼蟲數量亦逐漸回復,故推論現行小規模除草方式對於窗螢屬及短角窗螢屬之較成熟幼蟲造成之所影響為暫時性的,並不造成幼蟲數量之下降。

並列摘要


Between April 2011 and April 2012, the fireflies' we conducted both a qualitative and a quantitative census of the fireflies at 4 sampling sites in Chihnan National Forest Recreation Area. Eighteen species belonging to 7 genera were found, including Luciola cerata Olivier, L. kagiana Matsumura, L. satoi Jeng and Yang, L. anceyi Olivier, L. filiformis Olivier, Curtos sauteri (Olivier), C. impolitus (Olivier), C. mundulus (Olivier), C. costipennis (Gorham), Diaphanes citrinus Olivier, D. formosus Olivier, Pyrocoelia formosana (Olivier), P. sanguiniventer (Olivier, 1911), P. praetexta (Olivier), Pyrocoelia sp., Vesta impressicollis Fairmaire, Lamprigera yunnana (Fairmaire) and Drilaster olivieri (Pic). The black-winged firefly, L. cerata was the most abundant species at all four sampling sites. However, each month the dominant fireflies were of a different species. The marking-release-recapture method was used for estimating the numbers of adult L. cerata in March and April 2012. The average numbers were 58.50±11.03 in March 2012 and 1012.38±49.56 in April 2012. The impact of weed control on the larvae of the firefly showed that the low level of weed control activities had only a temporary impact upon the larvae of Pyrocoelia and Diphanes, and did not affect the larvae numbers.

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