The Influence of Forest Ecosystems to Ant Community on Smallholder Oil Palm Plantations at Dharmasraya Regency, West Sumatera Indonesia

Forests are natural ecosystems and changes from these ecosystems will affect the organisms that inhabit them. The ant community (Hymenoptera: Formicidae) is one group of insects that inhabit various ecosystems and is very interesting to learn. The research aimed to study the ant community diversity in palm oil plantation in border of forest. The research was conducted in Gunung Selasih and Sungai Kambut, Dharmasraya Regency, West Sumatera from November 2017-January 2018. The research was formed in survey and Purposive Random Sampling was used to determine study sites. Method of ants collecting used hand collecting, bait trap, and pitfall trap. Samplings identification were conducted in Animal Taxonomy Laboratory, Department of Biology, Faculty of Math and Science, Andalas University. Total of ants collected 3.046 individual consisted of 5 sub-family, 15 genus and 29 species. The results of this research showed that forest ecosystems did not affect the abundance and a diversity of ant community in oil palm plantations. Anoplolepis graciliphes, Odontoponera denticulate and Odontomachus simillimus were the dominant species found in oil palm plantations in Dharmasraya Regency, West Sumatra.

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