Research/Technical Report

  1. Zulkifli (2006) Studies on Evaluation of Logging Impacts on Soil Erosion and Watershed Ecosystem: Results on evapotranspiration and catchment water yield. Eco-frontier Fellowship Program report submitted to the Ministry of Environment, Japan.
  2. Zulkifli Yusop. (2005) Studies on Evaluation of Logging Impacts on Soil Erosion and Watershed Ecosystem: Results on soil erosion and nutrient losses. Eco-frontier Fellowship Program report submitted to the Ministry of Environment, Japan.
  3. Zulkifli Yusop., Maketab M., Kamarul Azlan M.N., Fadhilah Y., Zalina D., Chan C.H. and Siti Nazahiyah R. (2005) Quantification and management of watershed cumulative effects. Final Report submitted to MOSTI.
  4. Zulkifli Yusop. (2004) Studies on Evaluation of Logging Impacts on Soil Erosion and Watershed Ecosystem – Preliminary Results. Eco-frontier Fellowship Program report submitted to the Ministry of Environment, Japan
  5. Zulkifli Yusop., Chan Chee Hing & Kamarul Azlan Mohd Nasir (2003) Penentuan kesan penebangan hutan ke atas parameter aliran ribut. Research report submitted to Research Management Centre, UTM. Vot 71628.
  6. Zulkifli Yusop., Ting F., Zaini U., and U. Kalthom A. (2002) Characterization of natural organic matter for drinking water production.  Research report submitted to Research Management Centre, UTM. Vot 71639.
  7. Bruce, A., Abdul Rahim, N., Mohd Shahwahid, H.O. Awang Noor A. G. and Zulkifli (1998) Timber Production versus Watershed Protection In The Humid Tropics: An Overview of  the Issues in Malaysia. Environmental Economics Programme Discussion Paper Series. International Institute for Environmental Development, UK.
  8. Appanah, S., Shamsuddin I., Zulkifli Yusop., Ismail H., Baharuddin K., Azman, H. and Chong P. F. (1998) “Ulasan mengenai kontrovosi kegiatan pembalakan berhampiran kawasan tadahan air Hutan Simpan Sg. Lalang, Semenyih, Selangor, Darul Ehsan”. Submitted to Ministry of Primary Indusries.
  9. Zulkifli Yusop. (1996) Nutrient Cycling in Secondary Rain Forest Catchments of Peninsular Malaysia. PhD. Thesis, University of Manchester.
  10. Zulkifli Yusop. (1990) Effects of logging on streamwater quality and input-output budgets in small watersheds in Peninsular Malaysia. M.sc Thesis, UPM