Keanekaragaman kumbang curculionid pada berbagai tipe penggunaan lahan di kawasan Hutan Harapan, Jambi

Lailatun Najmi, Damayanti Buchori, Hermanu Triwidodo, Woro Anggraitoningsih Noerdjito, Akhmad Rizali

Abstract


Family Curcilodae is a group of beetles (Order Coleoptera) that have an important role in ecosystems include of natural forest, plantations and agriculture. Land-use change, mainly from natural forest to agriculture area can have negative affect on decreasing curculionid beetles. The objective of this research was to study the seasonal diversity both of species richness and abundance of curculionid in different land-use types in Hutan Harapan landscape, Jambi. Curculionids were sampled using fogging methods. The study was conducted in four different land-use types i.e. forest, jungle rubber, rubber, and oil palm plantations in both dry (from May to September 2013) and rainy season (from November 2013 to February 2014). We found 1762 individuals belong to 12 subfamili and 118 species curculionid beetle. The most abundant species was found in forest (81 species) and the lowest was in the rubber plantations (20 species). The most common curculionid that were found in each land-use type were Curculioninae sp.21 (forest), Entiminae sp.06 (jungle rubber), Scolytinae sp.09 (rubber plantation) and Elaeidobius kamerunicus (oil palm plantations). The highest abundance of curculionid was in oil palm plantations (853 individual) and the lowest was in rubber plantations (33 individual). Land-use type and vegetation diversity affect species richness but not abundant of curculionids.  Based on analysis showed that different season significantly affect composition of curculionid in the forest and have no effect on other land-use type.


Keywords


abundance; species richness; species composition; dry season; rainy season



DOI: http://dx.doi.org/10.5994/jei.15.2.59

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