earticle

영어

Climate temperature varies gradually along latitudinal gradients and such temperature variations are an important determinant to derive changes of species distributions along latitudinal gradients. Thus understanding whether and how the structure of current species distributions varies along latitudinal gradients will be an important predictive tool for assessing how these species will respond to climatic changes in near future. There are two species of uroctoid spiders in Korea and their distributions are separated along latitudinal gradients. We investigated their distribution patterns along the latitudinal gradients in the Korean Peninsula and then determined their current distribution pattern. All of both species were found around temperature line of 12-13 ℃. Thus this temperature line would be southern boundary of U. lesserti and northern boundary of U. compactilis. Using GIS, we estimated how their geographic ranges change in near future according to the climate change scenarios. According to the estimation of the geographic range in relation to the climate change scenarios (RCP4.5 and RCP 8.5), If current trend of global warming continues, the boundary line of the two species will move up to Gangwon province up to 2100.