Paper at National Seminars/Conferences

  1. Baharim, N.B, Yusop, Z., W Z Wan Muhd Tahir, M. Askari, I. Yusoff, Z. Othman, M. R. Zainal Abidin (2013) Sediment quality of core bottom sediment in hypereutrophic reservoir: A case study of Sembrong Reservoir, Peninsular Malaysia.  1st International Conference on Non Point Sources Pollution (NPS2014), Kuala Lumpur, 14 & 15 May.
  2. Muniandy, J.M., Z. Yusop and M Askari (2014). Nutrient and sediment transport from two different agriculture plots. 1st International Conference on Non Point Sources Pollution (NPS2014), Kuala Lumpur, 14 & 15 May.
  3. Alias, N., A. Goonetilleke, P Egodawatta, Z. Yusop (2014) Investigation on first flush phenomenon in urban catchments in Gold Coast, Australia. 1st International Conference on Non Point Sources Pollution (NPS2014), Kuala Lumpur, 14 & 15 May.
  4. Yakubu, M.L. and Z. Yusop (2014) The use electrical conductivity and pH as indicator for non-point source pollution on urban roads. 1st International Conference on Non Point Sources Pollution (NPS2014), Kuala Lumpur, 14 & 15 May.
  5. Adham, M.I., S.M. Shirazi, F. Otman and Z Yusop (2014). Assessment of runoff potentiality for non point sourcse pollution of Melaka watershed in Malaysia using SCS and statistical analysis. 1st International Conference on Non Point Sources Pollution (NPS2014), Kuala Lumpur, 14 & 15 May.
  6. Wan Ibrahim, W.Y, A.N. M Ludin, and Z. Yusop (2014) Assessing spatio temporal land use and land cover change in major river basins in Iskandar Malaysia. 1st International Conference on Non Point Sources Pollution (NPS2014), Kuala Lumpur, 14 & 15 May.
  7. Zulkifli Yusop & Abdull Rahim Mohd Yusoff (2009) Asas fiqh bagi mengukuhkan pelestarian alam sekitar. Symposium Kebangsaan Fiqh Sains dan Teknologi 2009. Johor Bahru, 10&11 Dec 2009.
  8. Zati Sharip and Zulkifli (2007) The status of lake eutrophication in Malaysia. Proceedings of Colloquium on Lakes and Reservoir Management: status and Issues, 2&3 August, Putrajaya. Pp 24-34.
  9. Siti Aishah S. and Zulkifli (2007) Rainfall interception by young Hopea odorata. Proceedings of Conference on Forestry and Forest Product Research (CFFPR- 2007), 27-29 November 2007, Kuala Lumpur.
  10. Chong,H. , Zulkifli, Yusop. and Geoffery, J.G. (2007) Estimating Evapotranspiration in Oil Palm Catchments Using Short-Time Period Water-Budget Method. Paper presented at World Water Day Seminar. Kuala Terengganu, 14&15 April 2007.
  11. Zulkifli Yusop. , Ismail A. (2007) Policy Reform for Meeting Future Water Demand. World Water Day Seminar. Kuala Terengganu, 14&15 April 2007.
  12. Siti Nazahiyah R., Zulkifli Yusop. and Ismail A. (2007) First flush load of urban storm runoff in Skudai, Johor . AWAM 2007, Penang
  13. Zulkifli Yusop. And Zaini Ujang (2006) Managing non-point source pollution from a catchment perspective. Invited speaker at national Conference on Agro Environment 2006, MARDI. Penang.
  14. Mohamed, M., Zulkifli Yusop. and Ujang Z. (2003) Urban river rehabilitation – Sungai Tebrau and Sg. Segget, Johor, Malaysia. ENVIRONMENT 2003, Penang, 18-19 Feb.
  15. Zulkifli Yusop. (2002) Hydrological attributes of a disturbed peat swamp forest. Workshop on Prevention and Control of  Fire in Peatlands, Kepong, 19-21 March
  16. Maketab, M.& Zulkifli Yusop (2002) Urban river rehabilitation – pollution levels and peculiarities of Sg. Tebrau, Johor. Institute of Engineers Malaysia, Fourth Annual Water Resources Colloquium, Ampang, 22 June.
  17. Zulkifli Yusop., Maketab M., Kamarul Azlan M.N., Sobri H. and Areshwhina N. (2002) Point source and non-point source pollution assessment in Tebrau and Segget Catchment, Johor. National Seminar on Pollution Prevention and Water Quality Improvement of Sungai Tebrau and Sungai Segget, Johore, 29-30 Oct.
  18. Kamarul Azlan M.N, Zulkifli Yusop., Sobri H. and Areshwhina N. (2002) Flow augmentation scheme for lower Tebrau Basin. National Seminar on Pollution Prevention and Water Quality Improvement of Sungai Tebrau and Sungai Segget, Johore, 29-30 Oct.
  19. Zulkifli Yusop. and Maketab M. (2001) Translating results of catchment research into management perspective: A challenge. National Seminar Environmental Management 2001, UKM 14-15 August 2001.
  20. Maketab M. and Zulkifli Yusop. (2001) Design of sediment oxygen demand (SOD) “in-situ” measuring chamber and its application in several rivers. National Seminar Environmental Management 2001, UKM 14-15 August 2001.
  21. Ayob K., Ahmad Khairi A.W. and Zulkifli Yusop. (2001) Studies on hydrological dynamic of a drained peat basin using time series model. National Workshop on Ecological and Environmental Modelling. USM,Penang, 3-4 Sept.
  22. Zulkifli Yusop. (2000) Hydrological impacts of forestry activities: Malaysian experience. Paper presented at Seminar Kejuruteraan Awam (SEMKA 2000), Kuantan, Pahang, 20-21 May.
  23. Zulkifli Yusop., Shamsuddin I., Baharuddin K. and Ahmad C.S. (1999) Runoff estimate from the North Selangor Peat Swamp Forest. Paper presented at FRIM’s Conference on Forestry and Forest Products Research (CFFPR) 1999 Series on Water: Forestry and Landuse Perspectives. FRIM, HTC and WWF Malaysia, 31 March and 1 April 1999.
  24. Abdul Rahim N. and Zulkifli Yusop. (1999) Hydrological impacts of forestry and land-use activities: Malaysian and regional experience. A keynote paper presented at FRIM’s Conference on Forestry and Forest Products Research (CFFPR) 1999 Series on Water: Forestry and Landuse Perspectives. FRIM, HTC and WWF Malaysia, 31 March and 1 April 1999.
  25. Shahwahid O., Chew C.G., Zulkifli Yusop. and Baharuddin K (1999) The external cost of conversion of highland forested watershed. Paper presented at FRIM’s Conference on Forestry and Forest Products Research (CFFPR) 1999 Series on Water: Forestry and Landuse Perspectives. FRIM, HTC and WWF Malaysia, 31 March and 1 April 1999.
  26. Zulkifli Yusop. and Azman H. (1999) Managing water resources: Forestry’s perspective. Paper presented at Conference on Asset Management, 29-30th June 1999, Miri, Sarawak.
  27. Zulkifli Yusop. and Baharuddin K. (1999) Hydrological considerations for sustainable management of peat swamp forests in Pahang and Selangor. Paper presented at Workshop on Sustainable and Integrated Management of Peat Swamp Forests in Peninsular Malaysia, Kuantan, Pahang. 16-18 November 1999
  28. Zulkifli Yusop (1998) Fenomena Iklim. Kertas kerja dibentang dalam Kursus Pengenalan Kebakaran Hutan. FRIM/Jabatan BOMBA. Jun 1998.
  29. Zulkifli Yusop. and Baharuddin K (1998) Stream-bed profile and erosion rates from undisturbed forest catchments in Sungai Weng Experimental Basin, Baling, Kedah. Paper presented at Bengkel ke 4 Kajian Kesan Pembalakan Terhadap takungan Wakil dan Waduk Muda/Pedu Kedah, UKM, Bangi, 26-27 Mei, 1998.
  30. Mohd Shahwahid H. O., Chew G., Zulkifli Yusop. and Baharuddin K. (1998) The on-site cost of soil erosion: theory and application to Cameron Highland. Paper presented at Workshop on Forestry Economics and Policy: R&D Towards Achieving Sustainable Forest Management, UPM, Serdang, 10-11 Nov. 1998.
  31. Zulkifli Yusop (1997) Preliminary results on sediment dynamic in stream channel at Muda/Pedu Experimental Basin. Paper presented at “Bengkel ke III Kajian Kesan Pembalakan Terhadap Takungan Wakil dan Waduk Muda/Pedu, Kedah, UPM, 21-22 April 1997.
  32. Zulkifli Yusop., Abdul Rahim N. And Baharuddin K. (1997) Nutrient input-output budgets in secondary forest of Bukit Tarek Experimental Watershed. Paper presented at the Fourth Conference on Forestry and Forest Product Research. FRIM, KL. 2-4 October.
  33. Zulkifli Yusop., Baharuddin K and Abdul Rahim N (1997) Sediment yield from selected catchments in Cameron Highland. Paper presented at Workshop on Local Scale Hydrological Processes in Inslands, Highlands and Urban Areas in Malaysia: Needs for Future Direction. Humid Tropics Water Centre for South East Asia and Pacific, IHP (Malaysia) and UNESCO. Kuala Lumpur 12-14 November, 1997.
  34. Baharuddin K., Abdul Rahim Nik & Zulkifli Yusop (1996) Hasil endapan di kawasan pertanian tanah tinggi. Paper presented at “Seminar dan Bengkel Hidrologi Dataran Tinggi”. UTM, KL, 30-31 Julai 1996
  35. Zulkifli Yusop., Abdul Rahim N. and Baharuddin K. (1995) Improved logging technique for minimising impacts on soil and water. Paper presented at the First Workshop on Logging Impacts Study in Muda/Pedu Catchment, Kedah. UTM, Skudai, Johor Bahru. 23rd January
  36. Zulkifli Yusop. & Abdul Rahim N. (1994) Impacts of forest harvesting and conversion on water attributes. Paper presented at Sarawak’s Water Resources Conference, Sarawak, 8-10 August 1994.
  37. Abdul Rahim N. & Zulkifli Yusop. (1994) Environmental Impact Assessment (EIA) Review for forest logging. Paper presented at Workshop on Environmental Impact Assessment in Malaysia- an update. Kuching, Sarawak, 3-5 Feb. 1994.
  38. Zulkifli Yusop. & Abdul Rahim N. (1994) Nutrient exports from secondary forest catchments of Bukit Tarek Experimental Forest. Paper presented at Soil Science Conference 1994. P.J. 18-19 April 1994.
  39. Zulkifli Yusop. (1994) Quality of surface water. A note presented at Basic Course in Water Resources Assessment, Johor Bahru, 25-27 July 1994.
  40. Abdul Rahim N., Zulkifli Yusop. and Baharuddin K. (1991) Watershed management: effects of selective logging. Paper presented at IRPA National Seminar for Fifth Malaysian Plan. Penang, 16‑19 December 1991.