The abundance and composition of arboreal arthropods in Acacia mangium and Paraserianthes falcataria plantations in South Sumatra, Indonesia

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  • abundance and composition of arboreal arthropods in Acacia mangium and Paraserianthes falcataria plantations in South Sumatra Indonesia

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Abstract

We investigated the abundance of arboreal arthropods in pure Acacia mangium and Paraserianthes falcataria plantations in South Sumatra, Indonesia, to evaluate the function of fast-growing tree plantations as wildlife habitats in the tropics. Two plots were established on each tree species,&lsduo;plantation and insecticide fogging was conducted to sample arboreal arthropods. The mean number of arthropods collected was higher in the A. mangium plantation (230.9-268.0 ⁄ m2) than in the P. falcataria plantation (13.9-21.0 ⁄ m2). In all plots, Collembola was the most abundant order, comprising more than 50.4-56.2% and 82.5-89.2% of the total number of arthropods in the P. falcataria and A. mangium plantations, respectively. The predominance of Collembola in the A. mangium plantation resulted in lower diversity indices (Shannon-Wiener H’ and Simpson 1 ⁄ λ) than in the P. falcataria plantation. Compared to data in the literature, the abundance of arboreal arthropods in the A. mangium plantation was comparable to that of natural forests, although the low H’ in the A. mangium plantation and the low abundance in the P. falcataria plantation were extreme.

Journal

  • Tropics

    Tropics 14 (3), 255-261, 2005

    JAPAN SOCIETY OF TROPICAL ECOLOGY

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