Notes on oil palm plantation use and seasonal spatial relationships of sun bears in Sabah, Malaysia

1Graduate School of Environmental Earth Science, Hokkaido University, N 10, W 5, Kita-ku, Sapporo 0600810, Japan 2Sabah Wildlife Department, 5th Floor, Block B Wisma MUIS, 88100 Kota Kinabalu, Sabah, Malaysia 3Institute for Tropical Biology and Conservation, University Malaysia Sabah, Permanent Campus, Sepangar Bay, Locked Bag No. 2073, 88999 Kota Kinabalu, Sabah, Malaysia