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Browsing by Author "Blignaut, JN"

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The effect of accessibility and value addition on the costs of controlling invasive alien plants in South Africa: A three-species system dynamics model in the fynbos and grassland biomes

Author: Crookes, DJ ; Blignaut, JN ; Le Maitre, David C Date: Nov 2020 We developed a two-biome (grasslands and fynbos) system dynamics model simulating invasions of three invasive alien plant species – black wattle (Acacia mearnsii) and two pine species (Pinus patula and Pinus pinaster) – and some of the ... Read more
Impact of invasive alien plants on water provision in selected catchments

Author: Preston, IR ; Le Maitre, David C ; Blignaut, JN ; Louw, L ; Palmer, CG Date: Oct 2018 We analyse the impact of failing to control invasive alien plants (IAPs) on the water supply to the Berg River and De Hoop Dams, in other words, the opportunity cost of not clearing IAPs in these two catchments. To do this we used models to ... 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
Multi-functional landscapes in semi arid environments: implications for biodiversity and ecosystem services

Author: O'Farrell, Patrick J ; Reyers, B ; Le Maitre, David C ; Milton, SJ ; Egoh, Benis N ; Maherry, A ; Colvin, C ; Atkinson, D ; De Lange, Willem J ; Blignaut, JN ; Cowling, RM Date: Jun 2010 Synergies between biodiversity conservation objectives and ecosystem service management were investigated in the Succulent Karoo biome (83,000 km2) of South Africa, a recognised biodiversity hotspot. Our study complemented a previous biodiversity ... Read more
The possibilities and pitfalls presented by a pragmatic approach to ecosystem service valuation in an arid biodiversity hotspot

Author: O'Farrell, Patrick J ; De Lange, Willem J ; Le Maitre, David C ; Reyers, B ; Blignaut, JN ; Milton, SJ ; Atkinson, D ; Egoh, Benis N ; Maherry, A ; Colvin, C ; Cowling, RM Date: Jan 2011 Arid regions are home to unique fauna, flora, and vulnerable human populations, and present a challenge for sustainable land-use management. The authors undertook an assessment and valuation of three key services, grazing, tourism and water ... Read more

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Browsing by Author "Blignaut, JN"

Browsing by Author "Blignaut, JN"

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