Browsing by Author "Toshinori Okuda"
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Item Open Access Impacts of logging road networks on dung beetles and small mammals in a Malaysian production forest: Implications for biodiversity safeguards(Multidisciplinary Digital Publishing Institute (MDPI), 2014) Toshihiro Yamada; Masahiro Niino; Satoru Yoshida; Tetsuro Hosaka; Toshinori OkudaWe conducted research on the impact of logging on biodiversity of dung beetles and small mammals in a production forest in Temengor Forest Reserve, Perak, Malaysia. This was done to develop such quantitative criteria for Malaysian production forests while paying special attention to the effects of road networks, such as skid trails, logging roads, and log yards, on biodiversity.Item Restricted Measurement of CO2 flux above a tropical rainforest at Pasoh in Peninsular Malaysia(Elsevier, 2003) Yukio Yasuda; Yoshikazu Ohtani; Tsutomu Watanabe; Michiaki Okano; Takeo Yokota; Naishen Liang; Yanhong Tang; Abdul Rahim Nik; Makoto Tani; Toshinori OkudaThis paper reports on the results of a short-term observation of CO2 flux above a tropical forest at Pasoh in Peninsular Malaysia, using the eddy covariance method with a closed-path CO2 analyzer, in March 1998. CO2 concentration profiles above and in a canopy were also measured.Item Restricted The effects of logging on soil greenhouse gas (CO2, CH4, N2O) flux in a tropical rain forest, Peninsular Malaysia(Elsevier, 2008) Yuichiro Yashiro; Wan Rashidah Kadir; Toshinori Okuda; Hiroshi KoizumiTo evaluate the effects of logging on soil greenhouse gas flux in a tropical rain forest, we measured CO2, CH4, and N2O fluxes at logged and unlogged sites in Peninsular Malaysia (N = 7–27 at each site).