JEVCOMM

Book a Session
+27 74 323 3673

JEVCOMM

Book a Session
+27 74 323 3673
OUR SERVICES

Wide Variety of Products & Services

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Wood Cutting

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Alien Clearing

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Chip & Mulch

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Alien1
2
Years of Experience
ABOUT JEVCOMM

Alien Vegetation Management of Olifant / Doring River

A variety of invasive alien plants occur throughout the Water Management Area. In the wetter Olifants and Kouebokkeveld areas, black wattle and red river gum are common on river banks where indigenous riparian plants have been removed. Mesquite dominates the riparian zone of the arid Doring and Sout catchments, while oleander completely blocks the channel in parts of the Doring and Groot rivers. Disturbance of the riparian zone has resulted in infestation of port jackson throughout the Sandveld. These alien plants modify the river channel, and reduce habitat integrity and baseflows in rivers. During winter most access road area flood and emergency services cant access community schools and people cant go to work that will lead to lost of income.

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Management Actions

Encourage efficient water-use throughout the Water Management Area
No further instream dams should be built in the Olifants, Doring and Verlorevlei rivers
Investigate environmental flow release options for all existing instream dams
Discourage groundwater abstraction within the riparian zone in the Sandveld
Use environmentally acceptable farming practices (prevent overgrazing, limit livestock in riparian zones) and maintain a buffer area (10 - 20 m) along river banks
Clear alien vegetation from riparian buffer areas and the surrounding catchment
Investigate the removal of alien fish from certain key river reaches to allow the creation and management of sanctuaries/refuge areas for indigenous fish

Monitoring aquatic ecosystem health is a requirement in terms of the National Water Act and the results are important for the application of the National Environmental Management Act (1998)

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Population

Approximately 104 000 people live in the area. Almost half of the population live in urban and peri-urban areas. The average population growth rate is about 0.5% per year. However, Vredendal is growing at a rate of about 7% per annum due to
migration of people from rural areas.

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Economy

The area contributes approximately 0.3% to the gross domestic product of South Africa, with nearly half (R2 billion) contributed by the agricultural sector. Activities in this sector include the production of wine, table grapes, citrus, rooibos tea, fresh fruit, dried fruit, potatoes, wheat, livestock and fisheries. Trade and industry linked to agriculture is the next most important economic sector. Half of the labour force is employed by the agricultural sector, while 8% are unemployed. Nature-based tourism is an important and growing industry in this area, with most of the towns experiencing a growth in this sector. Mining (diamond, gypsum, limestone and marble) occur on a smallscale.

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