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Original Articles

The influence of tree density on the grass layer of three semi-arid savanna types of southern Africa

Pages 103-109 | Published online: 12 Nov 2009

Keep up to date with the latest research on this topic with citation updates for this article.

Read on this site (1)

Lello Kabeta, Gemedo Dalle, Motuma Tolera & Girma Kelboro. (2020) Bush encroachment and impacts on grass biomass in Senkelle Swayne’s Hartebeest Sanctuary, Ethiopia. Biodiversity 21:4, pages 217-226.
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Articles from other publishers (48)

Haftay Hailu Gebremedhn, Sintayehu Werkneh Dejene, Samuel Tuffa, Yayneshet Tesfay, Sylvanus Mensah & Adam John Mears Devenish. (2023) The dynamics of vegetation diversity and biomass under traditional grazing in Ethiopia's Somali rangeland. Plant-Environment Interactions.
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Buster Mogonong, Helga van der Merwe, Tshililo Ramaswiela, Amukelani Maluleke & Gregor Feig. (2023) Vegetation description around the savanna flux measurement site at Benfontein Nature Reserve, South Africa. South African Journal of Botany 162, pages 353-359.
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Malizo Ntalo, Khuliso Emmanuel Ravhuhali, Bethwell Moyo, Rochen Wiltshire, Nkosomzi Sipango, Ntuwiseni Emile Mmbi, Keleemetse Jacob Makgopela & Nahom Fajji. (2023) Communal property association lands: Tree species as a potential source of nutrients for livestock and a threat to herbaceous layer in selected CPAs of Waterberg district, South Africa. Scientific African 19, pages e01455.
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Matti T. Nghikembua, Laurie L. Marker, Bruce Brewer, Arvo Leinonen, Lauri Mehtätalo, Mark Appiah & Ari Pappinen. (2023) Response of woody vegetation to bush thinning on freehold farmlands in north-central Namibia. Scientific Reports 13:1.
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Makuété A. P. Tiawoun, Pieter W. Malan & Alvino A. Comole. (2022) Effects of Soil Properties on the Distribution of Woody Plants in Communally Managed Rangelands in Ngaka Modiri Molema District, North-West Province, South Africa. Ecologies 3:3, pages 361-375.
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Klaus Kellner, Jaco Fouché, David Tongway, Ricart Boneschans, Helga van Coller & Nanette van Staden. (2022) Landscape Function Analysis: Responses to Bush Encroachment in a Semi-Arid Savanna in the Molopo Region, South Africa. Sustainability 14:14, pages 8616.
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M.A.P. Tiawoun, P.W. Malan & A.A. Comole. (2022) Composition and structural patterns of encroaching woody plant species along riparian zones of the Molopo River, North-West Province, South Africa. South African Journal of Botany 147, pages 652-658.
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David Ward, Tiffany Pillay, Siphesihle Mbongwa, Kevin Kirkman, Erik Hansen & Matthew Van Achterbergh. (2022) Reinvasion of Native Invasive Trees After a Tree-Thinning Experiment in an African Savanna. Rangeland Ecology & Management 81, pages 69-77.
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Malicha Loje Hare, Xin Wen Xu, Yong Dong Wang, You Yuan & Abule Ebro Gedda. (2021) Do Woody Tree Thinning and Season Have Effect on Grass Species’ Composition and Biomass in a Semi-Arid Savanna? The Case of a Semi-Arid Savanna, Southern Ethiopia. Frontiers in Environmental Science 9.
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M.A. Louw, N.S. Haussmann & P.C. le Roux. (2021) Disentangling the effects of two co-occurring biotic modifiers on vegetation properties in a semi-arid savannah ecosystem. Journal of Arid Environments 189, pages 104504.
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C. Yang, T. Yan, Y. Sun & F. Hou. (2021) Shrub cover impacts on yak growth performance and herbaceous forage quality on the Qinghai-Tibet Plateau, China. Rangeland Ecology & Management 75, pages 9-16.
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Regina Mogashoa, Phesheya Dlamini & Masibonge Gxasheka. (2020) Grass species richness decreases along a woody plant encroachment gradient in a semi-arid savanna grassland, South Africa. Landscape Ecology 36:2, pages 617-636.
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Emilia N. Inman, Richard J. Hobbs, Zivanai Tsvuura & Leonie Valentine. (2020) Current vegetation structure and composition of woody species in community‐derived categories of land degradation in a semiarid rangeland in Kunene region, Namibia. Land Degradation & Development 31:18, pages 2996-3013.
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Matti T. Nghikembua, Laurie L. Marker, Bruce Brewer, Lauri Mehtätalo, Mark Appiah & Ari Pappinen. (2020) Response of wildlife to bush thinning on the north central freehold farmlands of Namibia. Forest Ecology and Management 473, pages 118330.
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N. Dreber, S.E. van Rooyen & K. Kellner. (2019) One savanna, many shapes: How bush control affects the woody layer in the southern Kalahari. South African Journal of Botany 125, pages 511-520.
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M. Randle, N. Stevens & G. Midgley. (2018) Comparing the differential effects of canopy shading by Dichrostachys cinerea and Terminalia sericea on grass biomass. South African Journal of Botany 119, pages 271-277.
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Habtamu Teka, I.C. Madakadze, Abubeker Hassen, Ayana Angassa & Mohammed Mussa. (2018) Impacts of a mineral lick-centred land use system on woody vegetation cover in an East African Savannah. African Journal of Ecology 56:3, pages 591-600.
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Anteneh Belayneh & Zewdu K. Tessema. (2016) Mechanisms of bush encroachment and its inter-connection with rangeland degradation in semi-arid African ecosystems: a review. Journal of Arid Land 9:2, pages 299-312.
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Haftay Hailu. (2017) Analysis of Vegetation Phytosociological Characteristics and Soil Physico-Chemical Conditions in Harishin Rangelands of Eastern Ethiopia. Land 6:1, pages 4.
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J. Gusha, M. Masocha & P. H. Mugabe. (2017) Impact of grazing system on rangeland condition and grazing capacity in Zimbabwe. The Rangeland Journal 39:3, pages 219.
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Christiaan J. Harmse, Klaus Kellner & Niels Dreber. (2016) Restoring productive rangelands: A comparative assessment of selective and non-selective chemical bush control in a semi-arid Kalahari savanna. Journal of Arid Environments 135, pages 39-49.
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Thomas C. Wagner, Susanne Hane, Dave F. Joubert & Christina Fischer. (2016) Herbaceous Legume Encroachment Reduces Grass Productivity and Density in Arid Rangelands. PLOS ONE 11:11, pages e0166743.
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Colleen L. Seymour, Grant S. Joseph, Milton Makumbe, Graeme S. Cumming, Zacheus Mahlangu & David H.M. Cumming. (2016) Woody species composition in an African savanna: determined by centuries of termite activity but modulated by 50 years of ungulate herbivory. Journal of Vegetation Science 27:4, pages 824-833.
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Cédric Scherer, Florian Jeltsch, Volker Grimm & Niels Blaum. (2016) Merging trait-based and individual-based modelling: An animal functional type approach to explore the responses of birds to climatic and land use changes in semi-arid African savannas. Ecological Modelling 326, pages 75-89.
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M. V. Saha, T. M. Scanlon & P. D'Odorico. (2015) Examining the linkage between shrub encroachment and recent greening in water‐limited southern Africa. Ecosphere 6:9, pages 1-16.
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Tamrat A. Belay & Stein R. Moe. (2015) Assessing the Effects of Woody Plant Traits on Understory Herbaceous Cover in a Semiarid Rangeland. Environmental Management 56:1, pages 165-175.
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Solomon T. Beyene. (2015) Rangeland Degradation in a Semi-Arid Communal Savannah of Swaziland: Long-Term DIP-Tank Use Effects on Woody Plant Structure, Cover and their Indigenous Use in Three Soil Types. Land Degradation & Development 26:4, pages 311-323.
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Bikila Negasa, Bedasa Eba, Samuel Tuffa, Barecha Bayissa, Jaldesa Doyo & Nizam Husen. (2014) Control of bush encroachment in Borana zone of southern Ethiopia: effects of different control techniques on rangeland vegetation and tick populations. Pastoralism 4:1.
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JOHN BOLAND & RUSSELL SINCLAIR. (2014) DEVELOPING AGE-SIZE RELATIONSHIPS FOR LONG LIVED TREE SPECIES. Journal of Biological Systems 22:02, pages 309-326.
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Niels Dreber, Christiaan J. Harmse, Albie Götze, Winston S. W. Trollope & Klaus Kellner. (2014) Quantifying the woody component of savanna vegetation along a density gradient in the Kalahari Bushveld: a comparison of two adapted point-centered quarter methods. The Rangeland Journal 36:1, pages 91.
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Tamrat A. Belay, Ørjan Totland & Stein R. Moe. (2013) Ecosystem responses to woody plant encroachment in a semiarid savanna rangeland. Plant Ecology 214:10, pages 1211-1222.
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Shadrack M. Muya, Able M. Kamweya, Anne W.T. Muigai, Apollo Kariuki & Shadrack M. Ngene. (2013) Using Range Condition Assessment to Optimize Wildlife Stocking in Tindress Wildlife Sanctuary, Nakuru District, Kenya. Rangeland Ecology & Management 66:4, pages 410-418.
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H. Haftay, T. Yayneshet, G. Animut & A. C. Treydte. (2013) Rangeland vegetation responses to traditional enclosure management in eastern Ethiopia. The Rangeland Journal 35:1, pages 29.
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Julius T. Tjelele, Luthando E. Dziba & Hosea T. Pule. (2012) Recovery and Germination of Dichrostachys cinerea Seeds Fed to Goats (Capra hircus). Rangeland Ecology & Management 65:1, pages 105-108.
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Hasan Yusuf, Anna C. Treydte, Sebsebe Demissew & Zerihun Woldu. (2011) Assessment of woody species encroachment in the grasslands of Nechisar National Park, Ethiopia. African Journal of Ecology 49:4, pages 397-409.
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Z.K. Tessema, W.F. de Boer, R.M.T. Baars & H.H.T. Prins. (2011) Changes in soil nutrients, vegetation structure and herbaceous biomass in response to grazing in a semi-arid savanna of Ethiopia. Journal of Arid Environments 75:7, pages 662-670.
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COLLEEN L. SEYMOUR & W. R. J. DEAN. (2010) The influence of changes in habitat structure on the species composition of bird assemblages in the southern Kalahari. Austral Ecology 35:5, pages 581-592.
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Ermias Aynekulu, Manfred Denich & Diress Tsegaye. (2009) Regeneration Response of Juniperus procera and Olea europaea subsp cuspidata to Exclosure in a Dry Afromontane Forest in Northern Ethiopia. Mountain Research and Development 29:2, pages 143-152.
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T. Yayneshet, L.O. Eik & S.R. Moe. (2009) The effects of exclosures in restoring degraded semi-arid vegetation in communal grazing lands in northern Ethiopia. Journal of Arid Environments 73:4-5, pages 542-549.
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Solomon Tefera, B. J. Dlamini, A. M. Dlamini & V. Mlambo. (2008) Current range condition in relation to land management systems in semi-arid savannas of Swaziland. African Journal of Ecology 46:2, pages 158-167.
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T. Thiele, F. Jeltsch & N. Blaum. (2008) Importance of woody vegetation for foraging site selection in the Southern Pied Babbler (Turdoides bicolor) under two different land use regimes. Journal of Arid Environments 72:4, pages 471-482.
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Solomon Tefera .B.J. Dlamini .A.M. Dlamini .. (2008) Dynamics of Savannas in Swaziland: Encroachment of Woody Plants in Relation to Land Use and Soil Classes and Indigenous Knowledge on Plants Utilization. Research Journal of Botany 3:2, pages 49-64.
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E. Abule, H.A. Snyman & G.N. Smit. (2007) Rangeland evaluation in the middle Awash valley of Ethiopia: II. Woody vegetation. Journal of Arid Environments 70:2, pages 272-292.
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Gemedo Dalle, Brigitte L. Maass & Johannes Isselstein. (2006) Encroachment of woody plants and its impact on pastoral livestock production in the Borana lowlands, southern Oromia, Ethiopia. African Journal of Ecology 44:2, pages 237-246.
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Gert N Smit. (2005) Tree thinning as an option to increase herbaceous yield of an encroached semi-arid savanna in South Africa. BMC Ecology 5:1.
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M.G. Hagos & G.N. Smit. (2005) Soil enrichment by Acacia mellifera subsp. detinens on nutrient poor sandy soil in a semi-arid southern African savanna. Journal of Arid Environments 61:1, pages 47-59.
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Jdu P. Bothma, N. van Rooyen & M. W. van Rooyen. (2004) Using diet and plant resources to set wildlife stocking densities in African savannas. Wildlife Society Bulletin 32:3, pages 840-851.
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G.N Smit. (2004) An approach to tree thinning to structure southern African savannas for long-term restoration from bush encroachment. Journal of Environmental Management 71:2, pages 179-191.
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