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Colin Christian and Associates. 2010. The Effect of Bush Encroachment on Groundwater Resources in Namibia: a Desk Top Study. Final Report


Description:

This Study was conducted for the Namibia Agricultural Union (NAU) to investigate the effects of bush encroachment on groundwater resources and related matters.

Summary / Notes:

Namibia is the most arid country south of the Sahara, with scarce and unpredictable rainfall, and perennial rivers only on its borders. Over 80% of Namibia's land area relies solely on groundwater for any economic productivity. Extensive bush encroachment, together with the effects of climate change, are putting further pressure on water resources. The agricultural sector has the potential to increase economic production provided that extensive thinning of encroacher bush is implemented – in order to restore the former carrying capacity and restore the natural recharge potential of groundwater. However, the potential benefits of bush thinning extend into other economic sectors as well.

Year: 2010

Type: Report

Download: Effect of Bush Encroachment on groundwater in Namibia.pdf (4.95 mb)

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Namibia Nature Foundation. 2016. An assessment of the economics of land degradation related to bush encroachment in Namibia. Final report, 26 February 2016
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Buyer, J.S., Schmidt-Küntzel, A., Nghikembua, M., Maul, J.E. and Marker, L.L. 2016. Soil microbial communities following bush removal in a Namibian savanna. SOIL, 2: 101–110
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Joubert, D., Rust, A., Smit, G., and Hoffman, M. 2017. Growth rates and mortality patterns of Acacia mellifera subsp. detinens in the semi-arid Highland Savanna, Namibia: Encroachment is not as rapid as previously believed. Namibian Journal of Environment, 1(A): 1-5
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Zimmermann, I., Nghikembua, M., Shipingana, D., Aron, T., Groves, D. and Marker, L. 2017. The influence of two levels of debushing in Namibia's Thornbush Savanna on overall soil fertility, measured through bioassays. Namibian Journal of Environment, 1(A): 52-59
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Cunningham, P. and Detering, F. 2017. Determining age, growth rate and regrowth for a few tree species causing bush thickening in north-central Namibia. Namibian Journal of Environment, 1(A): 72-76
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Uaria-Kakujaha, K. and Kambatuku, J. 1995. Making a way through thick bush: The charcoal alternatives. Seeds: News, Opinion and insight about desertification in Namibia, 1(1): 1-7
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de Wet, M.J. 2015. Harvesting of encroacher bush: Compendium of harvesting technologies for encroacher bush in Namibia. Support to De-bushing Project, Ministry of Agriculture, Water and Forestry/Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH, Windhoek, Namibia
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Rothauge, A. 2014. Baseline Assessment for the De-Bushing Programme in Namibia. Report for: De-Bushing Programme in Namibia. Support to De-bushing Project, Ministry of Agriculture, Water and Forestry/Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH Windhoek, Namibia
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