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Browsing by Subject "Biological invasions"

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Alien conifer invasions in South America: short fuse burning?

Author: Richardson, DM ; Van Wilgen, BW ; Nunez, MA Date: 2007 Alien conifers have been widely planted in the Southern Hemisphere. Australia, New Zealand and South Africa, all with long histories of alien conifer planting, have major problems with invasive conifers (“wildings”). Widespread planting of ... Read more
Alien plants as mediators of ecosystem services and disservices in urban systems: a global review

Author: Potgieter, LJ ; Gaertner, M ; Kueffer, C ; Livingstone, SW ; O’Farrell, Patrick J ; Richardson, DM Date: Dec 2017 Urban areas have unique assemblages of species which are governed by novel ecological processes. People living in these environments have specific needs and demands in terms of ecosystem services (ES). Urban ecosystems are transformed in many ... Read more
An assessment of the effectiveness of a large, national-scale invasive alien plant control strategy in South Africa

Author: Van Wilgen, BW ; Forsyth, GG ; Le Maitre, David C ; Wannenburgh, A ; Kotzé, JDF ; Van den Berg, E ; Henderson, L Date: Apr 2012 This paper presents an assessment of a large, national-scale alien plant control program that has operated in South Africa for 15 years. We reviewed data from three national-level estimates of the extent of invasion, records of the costs and ... Read more
Economic assessment of the contribution of biological control to the management of invasive alien plants and to the protection of ecosystem services in South Africa

Author: De Lange, Willem J ; Van Wilgen, BW Date: Jul 2010 This study is a first attempt at a holistic economic evaluation of South African endeavours to manage invasive alien plants using biological control. The author’s focus was on the delivery of ecosystem services from habitats that are invaded ... Read more
Identifying barriers to effective management of widespread invasive alien trees: Prosopis species (mesquite) in South Africa as a case study

Author: Shackleton, RT ; Le Maitre, David C ; Van Wilgen, BW ; Richardson, DM Date: May 2016 Biological invasions are a major driver of ecological and social change globally. The negative effects of these invasions have led to the initiation of programs to manage these invasions across the world. Management aims to reduce impacts and ... Read more
Impacts of plant invasions on terrestrial water flows in South Africa

Author: Le Maitre, David C ; Blignaut, JN ; Clulow, A ; Dzikiti, Sebinasi ; Everson, CS ; Gorgens, AHM ; Gush, Mark B Date: 2020 Considerable advances have been made since the first estimates of the impacts of invasive alien plants on water resources in the early 1990s. A large body of evidence shows that invasive alien plants can increase transpiration and evaporation ... Read more
Managing urban plant invasions: A multi-criteria prioritization approach

Author: Potgieter, LJ ; Gaertner, M ; Irlich, UM ; O’Farrell, Patrick J ; Stafford, L ; Vogt, H ; Richardson, DM Date: Dec 2018 Alien plant invasions in urban areas can have considerable impact on biodiversity and ecosystem services (ES). Managing urban plant invasions is particularly challenging given the complex interactions between ecological, economic and social ... Read more
Mapping the potential ranges of major plant invaders in South Africa, Lesotho and Swaziland using climatic suitability

Author: Rouget, M ; Richardson, DM ; Nel, JL ; Le Maitre, David C ; Egoh, Benis N ; Mgidi, T Date: Sep 2004 Most national or regional initiatives aimed at managing biological invasions lack objective protocols for prioritizing invasive species and areas based on likely future dimensions of spread. South Africa has one of the most ambitious national ... Read more
National-scale strategic approaches for managing introduced plants: insights from Australian acacias in South Africa

Author: Van Wilgen, BW ; Dyer, C ; Hoffmann, JH ; Ivey, P ; Le Maitre, David C ; Moore, JL ; Richardson, DM ; Rouget, M ; Wannenburgh, A ; Wilson, RU Date: Sep 2011 A range of approaches and philosophies underpin national-level strategies for managing invasive alien plants. This study presents a strategy for the management of taxa that both have value and do harm. Insights were derived from examining ... Read more
Plant–soil feedback induces shifts in biomass allocation in the invasive plant Chromolaena odorata

Author: Te Beest, M ; Stevens, N ; Olff, H ; Van der Putten, WH Date: Sep 2009 Soil communities and their interactions with plants may play a major role in determining the success of invasive species. However, rigorous investigations of this idea using cross-continental comparisons, including native and invasive plant ... Read more
Three centuries of managing introduced conifers in South Africa: benefits, impacts, changing perceptions and conflict resolution

Author: Van Wilgen, BW ; Richardson, DM Date: May 2012 Alien conifers, mainly pines, have been planted in South Africa for a range of purposes for over 300 years. Formal plantations cover 660 000 ha of the country, and invasive stands of varying density occur on a further 2.9 million ha. These ... Read more

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Browsing by Subject "Biological invasions"

Browsing by Subject "Biological invasions"

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