Effects of Land use Change on Coprini dung Beetles in Tropical Karst Ecosystems of Puluong Nature Reserve

Bui Van Bac
2019 VNU Journal of Science Natural Sciences and Technology  
I examined variation in community structure, species richness, biomass and abundance of Coprini dung beetles from 45 trapping sites in meadows, 35-year-old secondary forests and primary forests in tropical, high-elevation karst ecosystems of Puluong Nature Reserve, Thanh Hoa Province. My main aim was to explore community response to the influence of land use change. By comparing the structure and community attributes of the beetles between 35-year-old secondary forests and primary forests, I
more » ... imary forests, I expected to give indications on the conservation value of the old secondary forests for beetle conservation. Community structure significantly differed among land-use types. Species richness, abundance and biomass were significantly higher in forest habitats than in meadows. The cover of ground vegetation, soil clay content and tree diameter are important factors structuring Coprini communities in karst ecosystems of Pu Luong. The secondary forests, after 35 years of regrowth showed similarities in species richness, abundance and biomass to primary forests. This gives hope for the recovery of Coprini communities during forest succession. Keywords: Coprini, dung beetles, karst ecosystems, land use change, Pu Luong. References: [1] I. Hanski, Y. Cambefort, Dung beetle ecology, Princeton University Press, Princeton, 1991.[2] C.H. Scholtz, A.L.V. Davis, U. Kryger, Evolutionary biology and conservation of dung beetles, Pensoft Publisher, Bulgaria, 2009.[3] E. 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doi:10.25073/2588-1140/vnunst.4930 fatcat:suk7kq73pvf4tkzp533eof6zum