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Effects of the brown anole invasion and betelnut palm planting on arthropod diversity in southern Taiwan

Show simple item record Huang S.-C. en Norval, Gerrut en Wei C.-S. en Tso I.-M. en 2012-11-01T16:31:26Z 2012-11-01T16:31:26Z 2008 en
dc.identifier.citation Zoological Science en
dc.identifier.citation 25 en
dc.identifier.citation 11 en
dc.identifier.issn 2890003 en
dc.identifier.other 10.2108/zsj.25.1121 en
dc.description.abstract The brown anole (Anolis sagrei) occurs naturally in various localities in Central America, and an exotic invasive population was first reported in Sheishan District, Chiayi County, Taiwan, in 2000. Previous studies showed that following the invasion of A. sagrei, the diversity and abundance of local terrestrial arthropods, such as orb spiders and arboreal insects, were severely affected. In this study, we assessed the impact of A. sagrei on arthropod diversity in Taiwan by comparing spider and insect diversities among betelnut palm plantations, in which this lizard species was either present or absent, and a secondary forest. In addition, enclosures were established in which the density of A. sagrei was manipulated to investigate the effect of this predator on spiders. The results of a lizard stomach content analysis showed that spiders comprised 7% and insects 90% of the prey consumed. Among the insects consumed by A. sagrei, more than 50% were ants. The abundances of the major arthropod prey of A. sagrei, such as jumping spiders and hymenopterans, in the lizard-present sites were much lower than in the lizard-removed sites. The enclosure experiments also showed that predation by the lizards significantly reduced the abundance of jumping spiders. All these results indicated that the introduced lizard greatly affected the diversity and abundance of terrestrial arthropods in agricultural areas in southern Taiwan. © 2008 Zoological Society of Japan. en
dc.language.iso en en
dc.subject Anolis sagrei; Ant; Areca catechu; Insect; Salticidae; Spider animal; arthropod; article; betel nut; biodiversity; environmental protection; lizard; physiology; predation; Taiwan; Animals; Areca; Arthropods; Biodiversity; Conservation of Natural Resources; Lizards; Predatory Behavior; Taiwan; Anolis sagrei; Araneae; Areca catechu; Arthropoda; Formicidae; Hexapoda; Hymenoptera; Piper betel; Salticidae; Squamata en
dc.title Effects of the brown anole invasion and betelnut palm planting on arthropod diversity in southern Taiwan en
dc.type Article en

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