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The impact of altered river structure on the function of selected urban Cape Town rivers
Author(s)
Newman, Natalie Nicolette
Date Issued
2010
Type
Thesis
Publisher
Cape Peninsula University of Technology
Abstract
Many urban rivers are heavily engineered and no longer function naturally. The City
of Cape Town has designed and implemented many stormwater and river
management projects. Very little monitoring has occurred as to whether these
engineering projects and remediation measures, have had a positive effect on our
urban river ecosystem function.
The study investigated the influence of specific engineering interventions such as the
placement or rocks in stream to create weirs, gabion lining of stream channels,
removal of canal walls, establishment of artificial wetlands, and approaches to urban
river management, on river ecosystem function of the Keysers River, Little Lotus
River, Langevlei Canal, Silvermine River, Moddergat River and Big Lotus River, as
measured by specific indices including water chemistry and aquatic community
structure (macroinvertebrates and diatoms).
of Cape Town has designed and implemented many stormwater and river
management projects. Very little monitoring has occurred as to whether these
engineering projects and remediation measures, have had a positive effect on our
urban river ecosystem function.
The study investigated the influence of specific engineering interventions such as the
placement or rocks in stream to create weirs, gabion lining of stream channels,
removal of canal walls, establishment of artificial wetlands, and approaches to urban
river management, on river ecosystem function of the Keysers River, Little Lotus
River, Langevlei Canal, Silvermine River, Moddergat River and Big Lotus River, as
measured by specific indices including water chemistry and aquatic community
structure (macroinvertebrates and diatoms).
Additional information
Thesis (MTech (Nature Conservation))--Cape Peninsula University of Technology, 2010.
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Name
197017568_Newman_NN_Mtech_Nature_Con_Appsc_2010_20117125.pdf
Description
Thesis
Size
117.18 MB
Format
Adobe PDF
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