2006 Volume 25 Issue Special_Issue Pages 287-292
In this study, we clarified the horizontal migration ability of the forest dependant salamander Hynobius tokyoensis into the terrace paddy field as non forest landscape for the breeding period. The breeding of 140-400 individuals was recorded at 3 years from 2004 through 2006 in the target paddies called "Oyama-Senmaida", Boso-hills. According to the result that calculated the distance from surrounding forest, the average of moved distance for the salamander was 50m or more, and the value of 90% was from 80 to 100m. We considered the range of connective space between paddy field and forests as the Biotopverbund.
