Search Results - "Nel, J. L."
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A spatial assessment of riverine ecosystems and water supply in a semi-arid environment
Published in River research and applications (01-12-2011)“…A spatial assessment was conducted in the semi‐arid area of South Africa, to: (1) identify priority areas for the conservation of river and groundwater…”
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Scale‐based freshwater conservation planning: towards protecting freshwater biodiversity in KwaZulu‐Natal, South Africa
Published in Freshwater biology (2011)“…1. River systems have strong linear linkages. Innovative solutions to capture these linkages are required from aquatic conservation planners. 2. We apply an…”
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Absorptive Capacity as a Guiding Concept for Effective Public Sector Management and Conservation of Freshwater Ecosystems
Published in Environmental management (New York) (01-05-2011)“…The ability of an organisation to recognise the value of new external information, acquire it, assimilate it, transform, and exploit it, namely its absorptive…”
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Invasive alien plants and South African rivers: a proposed approach to the prioritization of control operations
Published in Freshwater biology (01-04-2007)“…1. A number of parallel initiatives in South Africa have been addressing the prioritization and management of invasive alien plant species, the prioritization…”
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Foraging ecology of grey-headed mollymawks at Marion Island, southern Indian Ocean, in relation to longline fishing activity
Published in Biological conservation (01-12-2000)“…Incidental mortality due to longline fishing has been implicated as the main cause for the global population decline in grey-headed mollymawks ( Thalassarche…”
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Decrease in Numbers of the Eastern Rockhopper Penguin Eudyptes Chrysocome Filholi at Marion Island, 1994/95-2002/03
Published in African journal of marine science (01-06-2003)“…The number of eastern rockhopper penguins Eudyptes chrysocome filholi breeding at subantarctic Marion Island decreased from about 173 000 pairs in 1994/95 to…”
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Mapping the potential ranges of major plant invaders in South Africa, Lesotho and Swaziland using climatic suitability
Published in Diversity & distributions (01-09-2004)“…Most national or regional initiatives aimed at managing biological invasions lack objective protocols for prioritizing invasive species and areas based on…”
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Population and Breeding of the Gentoo Penguin Pygoscelis Papua at Marion Island, 1994/95 - 2002/03
Published in African journal of marine science (01-06-2003)“…The numbers of gentoo penguins Pygoscelis papua breeding at subantarctic Marion Island fell by 40% from 1994/95 to 2002/03, from 1 352 pairs to 806 pairs…”
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Population, Breeding, Diet and Conservation of the Crozet Shag Phalacrocorax [atriceps] Melanogenis at Marion Island, 1994/95-2002/03
Published in African journal of marine science (01-06-2003)“…The number of Crozet shags or cormorants Phalacrocorax [atriceps] melanogenis breeding at subantarctic Marion Island decreased by 68% from 841 pairs in 1994/95…”
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Turning strategy into action: implementing a conservation action plan in the Cape Floristic Region
Published in Biological conservation (01-07-2003)“…This paper describes the history of conservation in the Cape Floristic Region, and the development of a conservation action plan for the region, arising from…”
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Foraging interactions between Wandering Albatrosses Diomedea exulans breeding on Marion Island and long-line fisheries in the southern Indian Ocean
Published in Ibis (London, England) (01-07-2002)“…Wandering Albatrosses Diomedea exulans are frequently killed when they attempt to scavenge baited hooks deployed by long‐line fishing vessels. We studied the…”
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Expanding protected areas beyond their terrestrial comfort zone: Identifying spatial options for river conservation
Published in Biological conservation (01-08-2009)“…There has been very little consideration of freshwater ecosystems in identifying and designing protected areas. Recent studies suggest that protected areas…”
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Designing protected areas to conserve riverine biodiversity: Lessons from a hypothetical redesign of the Kruger National Park
Published in Biological conservation (2008)“…The process of designing protected areas to represent all ecosystems in an area adequately is becoming increasingly sophisticated. To date freshwater aquatic…”
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Alien plant invasions—incorporating emerging invaders in regional prioritization: A pragmatic approach for Southern Africa
Published in Journal of environmental management (01-07-2007)“…Plant invasions are a serious threat to natural and semi-natural ecosystems worldwide. Most management-orientated research on invasions focuses on invaders…”
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Improving the Key Biodiversity Areas Approach for Effective Conservation Planning
Published in Bioscience (01-03-2007)“…The key biodiversity areas (KBA) approach aims to identify globally important areas for species conservation. Although a similar methodology has been used…”
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From Scorecard to Social Learning: A Reflective Coassessment Approach for Promoting Multiagency Cooperation in Natural Resource Management
Published in Ecology and society (01-03-2011)“…The responsibility for managing and conserving freshwater ecosystems is typically shared by multiple organizations with sometimes conflicting policy mandates…”
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Commercially Important Trees as Invasive Aliens – Towards Spatially Explicit Risk Assessment at a National Scale
Published in Biological invasions (2002)“…Alien species that are desirable and commercially important in parts of the landscape, but damaging invaders in other parts, present a special challenge for…”
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Acquired diverticulosis of the small bowel
Published in South African medical journal (16-01-1965)“…Two cases of acquired diverticulosis of the small bowel are presented…”
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Review: Freshwater conservation planning in South Africa: Milestones to date and catalysts for implementation
Published in Water S. A. (26-04-2013)Get full text
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20
Arterio-venous fistulae of the vertebral vessels
Published in South African medical journal (16-03-1968)“…Systemic, pulmonary and cardiac effects are directly proportional to the size of an arterio-venous fistula. The age of the fistula has no relationship to these…”
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