WETLAND DELINEATION REPORT - SRK Consulting

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WETLAND AND VEGETATION ASSESSMENT:For the proposed expansion of the Umfolozi Sugar Mill filter cake-ashtemporary waste storage facility, MtubatubaReport prepared for:SRK ConsultingP.O. Box 1969Westville, 3630Umfolozi Sugar Mill (Pty) LtdPrivate Bag X12Mtubatuba, 3930Report prepared by:Institute of Natural Resources NPCP O Box 100396Scottsville, 3209September 2012Please direct any queries to:Ian BredinTel: 033 3460 796 Fax: 033 3460 895E-mail: ibredin@inr.org.zaDECLARATION OF INDEPENDENCEWe declare that Ian Bredin, Dr. Theo Mostert (Karos Environmental Services CC), and the Instituteof Natural Resources NPC (INR) have no financial or personal interest in the proposeddevelopment, nor its developers or any of its subsidiaries, apart from the provision of a wetlandand vegetation assessment report.
Wetland and Vegetation AssessmentCONTENTS1. INTRODUCTION ............................................................................................................................. 12. SCOPE OF WORK ........................................................................................................................... 13. PROJECT TEAM .............................................................................................................................. 14. STUDY AREA .................................................................................................................................. 24.1. Location ......................................................................................................................................... 24.2. Levels of Ecosystem Transformation ............................................................................................ 25. BACKGROUND INFORMATION FOR THE WETLAND ASSESSMENT .............................................. 46. METHODOLOGY ............................................................................................................................ 56.1. Wetland Assessment Methodology ............................................................................................. 56.2. Vegetation Assessment Methodology ......................................................................................... 76.3. Limitations of Study ...................................................................................................................... 97. WETLAND ASSESSMENT ................................................................................................................ 97.1. Transformation at the Study Site ................................................................................................. 97.2. Assessment of Wetland Indicators at the Study Site ................................................................. 127.3. Mfolozi Floodplain ...................................................................................................................... 148. VEGETATION ASSESSMENT ......................................................................................................... 158.1. Vegetation Units and Ecosystems .............................................................................................. 158.2. Plant Communities of the Study Area ........................................................................................ 178.3. Red Data Plant Species ............................................................................................................... 258.4. Invasive Alien Plant Species ........................................................................................................ 279. DISCUSSION & CONCLUSION ...................................................................................................... 2810. REFERENCE .................................................................................................................................. 3011. APPENDICES ................................................................................................................................ 3311.1. Appendix A: A list of Characteristics for each of the Sample Sites .......................................... 3311.2. Appendix B: Definition of Threatened Plant Species categories ............................................... 34List of FiguresFigure 1: Location of the study area, i.e. the proposed expansion area ................................................ 2Figure 2: Aerial photograph showing the study area, as well as the extent of agricultural and forestrytransformation of the surrounding natural vegetation and ecosystems ............................................... 3Figure 3: Evidence of extensive clearing operations of invasive alien plants on the study site ............. 4Figure 4: Cross section through a wetland, indicating how the soil wetness and vegetation indicatorschange as one moves along a gradient of decreasing wetness, from the middle to the edge of thewetland (Kotze, 1996; DWAF, 2005). ...................................................................................................... 6Figure 5: Half a meter contour data for the study site (Contour data supplied by SRK) ...................... 10INSTITUTE OF NATURAL RESOURCESi
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WETLAND DELINEATION REPORT - SRK Consulting

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