Zimmermann I, Nghikembua M, Shipingana D, Aron T, Groves D, 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… services such as effective cycling of water and nutrients. After rangeland has degraded, bushes may encroach in nature's attempt to restore water and nutrient cycling. When bush … debushing activities on different parts of farms of the Cheetah Conservation Fund in central Namibia provided the opportunity to assess the influence of debushing on overall fertility of … totally cleared land. The debushing had taken place at different times, varying between two and 13 years previously. Soil was collected from each of these 27 sites and subjected to bioassay by …
Buyer JS, Schmidt-Küntzel A, Nghikembua M, Maul JE, Marker LL 2016. Soil microbial communities following bush removal in a Namibian savanna. SOIL
2 101-110… Savanna ecosystems are subject to desertification and bush encroachment, which reduce the carrying capacity for wildlife and livestock. Bush thinning is a management approach that can, at least temporarily, restore grasslands and … of the land. In this study we examined the soil microbial communities under bush and grass in Namibia. We analyzed the soil through a chronosequence where bush was thinned at 9, 5, or 3 …
Moleele NM, Ringrose S, Matheson W, Vanderpost C 2002. More woody plants? the status of bush encroachment in Botswana's grazing areas. Journal of Environmental Management
64 (1) 3-11… have resulted in vegetation changes in the cattle-dominated grazing areas of Botswana. Bush encroachment species—for instance Acacia tortilis, A. erubescens, A. mellifera, … grass cover. A number of factors have the effect of encouraging the germination and survival of bush encroachment species. The practice of cattle husbandry and continual shifting of foci … km2(6.4% of Botswana) of darkened and near infrared (NIR) reflective bush encroached areas in 1994. This paper suggests that specific management strategies should be adopted to help overcome …
Environmental Compliance Consultancy (ECC) 2021. APP-002135: Bush control activities on farm Gemsbokoord No. 477 Outjo district, Kunene region, Namibia.… Bush control activities on farm Gemsbokoord No. 477 Outjo district, Kunene region, Namibia listed activities triggered by the project include: Forestry activities 4. The clearance … or any other related activity that requires authorization in terms of the Forest Act, 2001 (Act No.12 of 2001) or any other law. The farmer intends to clear approximately 3000 to 4000 …
Stolter C, Joubert D, Schwarz K, Finckh M 2018. Impact of bush encroachment management on plant response and animal distribution. Climate change and adaptive land management in southern Africa - assessments, changes, challenges, and solutions Revermann R, Krewenka KM, Schmiedel U, Olwoch JM, Helmschrot J, Jürgens N 219-225… The transformation of grassland by bush encroachment causes socioeconomic problems in arid and semi-arid regions. At the moment, de-bushing is the only way to control bush encroachment. In this context, we conducted two independent projects within SASSCAL. First, …
Environmental Compliance Consultancy (ECC) 2021. APP-002825: Bush thinning and charcoal production for the registered Jumbo Charcoal Group Scheme Members.… Renewal application for an Environmental Clearance Certificate for the existing bush thinning and charcoal production for the registered Jumbo Charcoal Group Scheme Members in Namibia. As the environmental clearance application is for a Group Scheme whose members are … closing or being sold. The current FSC registered Group Scheme Members can be seen in Figure 1. Listed Activities triggered by the project include: Listed activity EIA screening finding …
UNIQUE Forestry 2020. Greenhouse Gas Assessment of Bush Control and Biomass Utilisation (BCBU) in Namibia.… Bush vegetation currently covers more than half of Namibia’s land area. Woody encroachment into grasslands has significant negative impacts on agricultural production, ecosystem services and biodiversity. At the same time, bush biomass plays an important role for Namibia’s reported status as a net carbon sink. Most …
Lindsey PA, Balme G, Becker M, Begg C, Bento C, Bocchino C, Dickman A, Diggle RW, Eves H, Henschel P, Lewis D, Marnewick K, Mattheus J, McNutt JW, McRobb R, Midlane N, Milanzi J, Morley R, Murphree M, Opyene V, Phadima J, Purchase G, Rentsch D, Roche C, Shaw J, van der Westhuizen H, Van Vliet N, Zisadza-Gandiwa P 2013. The bushmeat trade in African savannas: Impacts, drivers, and possible solutions. Biological Conservation
160 80-96… The bushmeat trade, or the illegal acquisition and exchange of wild meat, has long been recognised … forest biomes, but receives little attention in savannas, perhaps due to a misconception that bushmeat hunting is a low-impact subsistence activity. Though data on impacts are scarce, indications are that bushmeat hunting is a widespread problem in savannas, with severe impacts on wildlife …
Potgieter GC 2019. Beating back the bush - Recent insights into improving Namibian rangeland productivity and biodiversity. (2019)… and Otjiwarongo, you will have noticed that much of the landscape around you is dominated by bush. Visitors to Namibia driving this route will be struck by how few people and buildings they encounter. The … today. A bush, as opposed to a tree, is defined as a woody plant that rarely grows taller than 10 feet, and usually has multiple stems rather than one long trunk. The thorny bush species like …
Joubert DF 2014. The Dynamics of Bush Thickening by Acacia mellifera in the Highland Savanna of Namibia.… The dynamics of bush thickening by Acacia mellifera in the arid Namibian Highland Savanna was investigated. First, a conceptual state-and-transition model was … to a bush thickened state. Fire returns the vegetation to a grassy state by causing an almost 100 % mortality of seedlings. If fire is absent through a lack of fuel (overgrazing) or fire is …
Namibia Nature Foundation (NNF) 2016. Assessment of the macroeconomic benefits of de-bushing in Namibia.… Does de-bushing pay off for Namibia? This question can be discussed on the basis of a detailed assessment of the costs of bush control and potential benefits. Bush encroachment has negative impacts on some of Namibia's …
Lukomska N, Quaas MF, Baumgärtner S 2010. Bush encroachment control and risk management in semi-arid rangelands.… We study the role of bush encroachment control for a farmer's income and income risk in a stochastic … model of grazing management in semiarid rangelands. In particular, we study debushing as an instrument of risk management that complements the choice of an adaptive grazing management strategy for that sake. We show that debushing, while being a good practice for increasing the mean pasture productivity and thus …
Garland E, Gordon RJ 1999. The Authentic (In)Authentic: Bushman Anthro‐Tourism. Visual Anthropology (12) 267-287… Focusing on tourism ventures that market contact with so‐called bushmen, this paper examines some of the current dynamics and consequences of cultural tourism in Namibia, where the Government has instituted a series of progressive policies to promote local … primitive cultural otherness continue to feature centrally in tourist demand for contact with “bushmen,” the community‐based and collaborative tourism’ ventures currently being developed in …
Namibia Nature Foundation (NNF) 2016. An assessment of the economics of land degradation related to bush encroachment in Namibia.… Bush encroachment has increased significantly in Namibia over past decades, largely as a result of habitat change. It affects an estimated 26 to … although this figure is currently under review. Overgrazing is thought to be a key driver of bush encroachment, but the displacement of browsers by livestock, the suppression of high …
Ministry of Agriculture Water and Forestry (MAWF), Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) Value addition to encroacher bush wood in Namibia.… Most rangelands in Namibia’s farming areas are severely bush encroached and suffer from drastically reduced grazing capacity, groundwater recharge and soil moisture content. Encroacher bush has to be thinned to recover the productivity of the land, but this is an expensive …
Schröter M, Jakoby O, Olbrich R, Eichhorn M, Baumgärtner S 2009. Remote sensing of bush encroachment on commercial cattle farms in semi-arid rangelands in Namibia.… Bush encroachment is one of the most extensive changes in land cover in Namibia and an urgent problem for cattle farming, rapidly reducing the productivity of the … rangeland. Despite the severity of these consequences, a complete and accurate assessment of bush encroached areas is still missing at large. This study aims at assessing bush encroachment …
Smit GN, de Klerk JN, Schneider MB, van Eck J 2015. Detailed assessment of the biomass resource and potential yield in a selected bush encroached area of
Namibia.… Africa the phenomenon of the increase in woody plant abundance is commonly referred to as "bush encroachment", though the term "bush thickening" is more appropriate. It can be defined as the excessive increase in the density … of grasses. It has long been considered an ecological and economic problem in the rangelands of Namibia and the area affected by bush thickening in Namibia is estimated to be approximately 260 …
2020. Biochar from Namibian encroacher bush - a practical guide for producers. Wilkie I… This is a practical guide for biochar production and application in Namibia. It takes the reader through the production process step-by-step and provides useful information for anyone interested in the topic. The brochure is produced by the GIZ/MEFT Bush Control and Biomass Utilisation Project in close collaboration with NUST BUSH Project, Namibia Biomass Industry Group (N-BiG) and Namibia Charcoal Association …
Gröngröft A, de Blécourt M, Classen N, Landschreiber L, Eschenbach A 2018. Impacts of bush encroachment on groundwater recharge - Evidence from 9 years of soil hydrological monitoring in a Namibian thornbush Savanna.… increasing abundancy of woody species is a widely observed phenomenon, which is addressed as 'bush encroachment'. The causes are discussed controversially (Van Auken 2000, de Klerk 2004, Briggs et al 2005, Ward 2005, Archer 2010, Eldridge et al 2011, O’Connor et al. 2014) and neither measures to avoid the bush thickening … much smaller compared to early times of rangeland management, for example commercial farms in Namibia from the late 1950s to about 30% (de Klerk 2004). … Impacts of bush encroachment on …
Turning bush encroachment into an opportunity.… The De-bushing Advisory Service (DAS) is a national information platform and focal point for questions relating to bush encroachment, bush thinning and value addition to bush biomass. We offer support to emerging, communal and …
Honsbein D, Njembo S 2020. Labour-based encroacher bush harvesting guidelines.… In 2016, GIZ commissioned a study on labour-based bush thinning/harvesting. The overall aim of the study was "to conceptualise the labour-intensive methodology of bush thinning in Namibia", while striving to achieve the National Development Plans' (NDPs) goals such as …
Ludwig A, Meyer H, Nauss T 2016. Automatic classification of Google Earth images for a larger scale monitoring of bush encroachment in South Africa. International Journal of Applied Earth Observation and Geoinformation
50 89-94… Bush encroachment of savannas and grasslands is a common form of land degradation in the … Africa. To assess the carrying capacity of the land and to understand underlaying processes of bush encroachment, continuous monitoring of this phenomenon is needed. The aim of this study is to provide training sites for satellite-based monitoring of bush encroachment in South Africa on a medium spatial resolution satellite sensor (e.g. MODIS or …
Rothauge A 2014. Baseline Assessment for the De-Bushing Programme in Namibia.… This baseline study attempts to sketch the situation on the ground in mid-2014 in terms of the three major Programme outcomes: Institutional and political framework … administrative levels that enables increased capacity of land owners to deal with encroacher bush sustainably. Services that provide farmers with targeted advice and information on how to … de-bushing or thinning bush on the farm. … Baseline Assessment for the De-Bushing Programme in Namibia …
Fischer A, Naiman LC, Lowassa A, Randall D, Rentsch D 2014. Explanatory factors for household involvement in illegal bushmeat hunting around Serengeti, Tanzania. Journal for Nature Conservation (22) 491-496… Bushmeat hunting, i.e., the hunting of wildlife for consumption, is a widespread and … enforcement, relative wealth and ethnic background) are related to hunting activities. However, bushmeat hunting is inherently challenging to investigate as it is usually illegal. In this study, conducted in western Serengeti, Tanzania (n = 196 households in 12 villages), we used a variable that can be (and sometimes indeed is) …
Moringa Enviro-Consultants (MEC) 2022. APP-002319: Bush control and veld managemetn on Farm Uithou 366, Gobabis District, Omaheke Region.… commercial beef production farm that has its productivity compromised by infestation of invader bush. The veld in most areas of the farm is degraded and is overgrown with undesirable bush encroachment species. Along with various other factors, this poses a serious threat to … reduce the negative impacts and enhance positive impacts associated with the project. … APP-002319: Bush control and veld managemetn on Farm Uithou 366, Gobabis District, Omaheke Region …
Koot SP 2015. White Namibians in tourism and the politics of belonging through Bushmen. Anthropology Southern Africa (38) 4-15… Namibian Bushmen, such as the Hai//om and the Ju/'hoansi, are increasingly involved in the growing, white-dominated tourism industry. In this, white Namibians tend to position Bushmen and themselves as people of nature and conservationists. Elsewhere, whites from southern …
Ministry of Agriculture Water and Forestry (MAWF), Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) Control of encroacher bush species in Namibia.… Encroacher bush species should never be eradicated, but thinned judiciously. Methods to be used for bush control should ensure environmental sustainability. Therefore, all bush harvesting … in the Forestry and Environmental Authorisations Process for Bush Harvesting Activities (2017) guidelines. … Control of encroacher bush species in Namibia …
Rogan MS, Lindsey PA, Tambling CJ, Golabek KA, Chase MJ, Collins K, McNutt JW 2017. Illegal bushmeat hunters compete with predators and threaten wild herbivore populations in a global tourism hotspot. Biological Conservation (210) 233-242… Illegal bushmeat hunting is a global threat to wildlife, but its secretive and unregulated nature … its impacts on wildlife and wildlife-based industries. We investigated the scale of illegal bushmeat hunting in the Okavango Delta, Botswana (~ 20,000 km2) to assess its potential contribution to wildlife population declines. Approximately 1,800 illegal hunters each harvest an average of 320 kg of bushmeat annually, though some …