Preliminary Note on Current Habitats of the Japanese Weasel Mustela itatsi in the Lower Karigawa River, Western Part of Kanagawa Prefecture

Abstract

The habitat of the Japanese weasel was surveyed by capture in the lower Karigawa River, Kanagawa Prefecture. Three weasel males were captured in 16 days. Based on the surveyed are, the population density of the weasel males was estimated to be 0.14 and 0.31 per hectare in the riverbed area of the lower Karigawa river.