Brüning Arndt
Fachbereich Biologie, Zoologie, Philipps Universität Marburg, Karl-von-Frisch-Strasse, W-3550, Marburg, Federal Republic of Germany.
Oecologia. 1991 May;86(4):478-483. doi: 10.1007/BF00318313.
The predation on spiders in a forest ecosystem by a colony of red wood ants, Formica polyctena, was estimated using a barrier to isolate the colony. Of the ants' total prey, 4.6% were spiders. In order to estimate the effect of F. polyctena within their hunting area on the spider population, the spiders' population density was studied inside and outside the hunting area. Samples of the forest floor were taken, spider webs were counted and pitfall traps were used. No significant difference was found in density or composition of the spider fauna inside and outside the hunting area.
通过设置屏障隔离红木蚁（Formica polyctena）蚁群，对森林生态系统中该蚁群捕食蜘蛛的情况进行了估计。在蚂蚁的所有猎物中，蜘蛛占4.6%。为了评估在其狩猎区域内的红木蚁对蜘蛛种群的影响，对狩猎区域内外的蜘蛛种群密度进行了研究。采集了林地样本，统计了蜘蛛网数量，并使用了陷阱诱捕器。结果发现，狩猎区域内外蜘蛛动物群的密度和组成没有显著差异。
