在秋季天幕毛虫（鳞翅目，尺蛾科）爆发期间蚂蚁对欧洲山桦生存的影响
The influence of ants on the survival of mountain birches during an Oporinia autumnata (Lep., Geometridae) outbreak.
作者信息
Laine Kari J, Niemelä Pekka
机构信息
Department of Biology, University of Turku, SF-20500, Turku 50.
Department of Biomedicine/Zoology, University of Turku, SF-20500, Turku 50, Finland.
出版信息
Oecologia. 1980 Jan;47(1):39-42. doi: 10.1007/BF00541773.
The present study reports the influence of ants on the survival of mountain birch (Betula pubescens ssp. tortuosa) during an Oporinia autumnata (Lep., Geometridae) outbreak. Undamaged "green islands" with a radius of 15-20 m were observed around Formica aquilonia mounds in a defoliated area in Finnish Lapland. The herbivore densities and grazing pressure were shown to be low within this radius. The foraging strategy of ants and their influence on birch growth are discussed.
本研究报告了在奥波瑞尼亚秋尺蛾（鳞翅目，尺蛾科）爆发期间蚂蚁对山地桦（欧洲桦毛茛亚种）存活的影响。在芬兰拉普兰一个落叶地区的黑褐蚁蚁丘周围，观察到半径为15 - 20米的未受损“绿岛”。结果表明，在此半径范围内食草动物密度和啃食压力较低。文中还讨论了蚂蚁的觅食策略及其对桦树生长的影响。
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