Significant decrease in local butterfly community during thelast 15 years in a calcareous hill of the middle Korea
2017
Choi, S.W., Mokpo National University, Muan, Republic of Korea | Kim, S.S., Research Institute for East Asian Environment and Biology, Seoul, Republic of Korea | Kwon, T.S., National Institute of Forest Science, Seoul, Republic of Korea | Park, H., National Institute of Agricultural Science, Jeonju, Republic of Korea
Recently the significant decreases of species richness and abundance amongterrestrial animals including butterflies are reported due to habitat change,overexploitation, and global warming. We compared the butterfly speciescomposition and abundance from 1999 and 2014-2015 in a calcareous hill site ofthe middle part of Korea using a line transect method. There was a significantdecrease in the number of individuals (abundance) and the number of species(richness) from 1999 to 2014-2015. This decrease was more prevalent amongnorthern species than southern species, and the local extinct species were moreprevalent among northern species, showing the influence of global warming onbutterfly assemblages. However, no impact of habitat change was observed becauseof maintenance of the grasslands, which is caused by the dry soils of the calcareousregion.
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