Author:Korontzi, S; Justice, CO; Scholes, RJDate:Jun 2003Biomass burning is an important ecosystem process in southern Africa, with significant implications for regional and. global atmospheric chemistry and biogeochemical cycles. In this paper, representative Land sat path-row scene locations, ...Read more
Author:Rouget, M; Richardson, DM; Nel, JL; Le Maitre, David C; Egoh, Benis N; Mgidi, TDate:Sep 2004Most 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
Author:Wallace, JH; Van Der Elst, RPDate:May 1983This document is a synthesis of the current state of knowledge and of research requirements for 84 of the most important of South Africa's angling fish, and has been assembled from individual contributions which were presented at a workshop ...Read more
Author:Bowmaker, AP; van der Zee, D; Ridder, JHDate:1987A two day mini-symposium and workshop held in Durban in February 1986 and attended by 70 marine scientists from Natal and KwaZulu is reported on. Summaries of 84 presentations are given, separated into relevant sections. Each section is ...Read more
Author:Day, JADate:Jun 1983The notion of ecological convergence has influenced taxonomists and biogeographers since the development of ecology in the mid-nineteenth century. Our initial understanding of the ecosystems of the world resulted from plant geographers' ...Read more
Author:Chutter, FMDate:1962In the course of an ecological survey of the macro-invertebrate fauna of the stream and rivers in the catchment of the Vaal Dam the author found a new species of Pseudagrion which is described here. The author’s colleagues, engaged in similar ...Read more
Author:Scott, WEDate:15 Nov 1979As a result of potential toxin production the blue-green alga microcystis aeruginosa is a serious problem in eutrophic impoundments in South Africa. This study reports on growth characteristics of M. aeruginosa in the laboratory and is ...Read more
Author:Chutter, FMDate:Dec 1968There is a large population of Simulium chutteri lewis in the Vaal river at and below the village of Warrenton in the north-east of the Cape Province, South Africa. The female of this species attacks man, cattle and horses and had become a ...Read more
Author:Fairbanks, DHKDate:Jul 2000In an effort to develop more holistic ecosystem approaches to resource assessment and management, landscapes need to be stratified into homogeneous geographic regions. These regions can then be used in a monitoring framework to develop reliable ...Read more
Author:Shackleton, CMDate:Mar 1999Woody community phenology was studied in the central lowveld, South Africa, over a twelve month period at three sites along a rainfall gradient, with both toplands and bottomlands sampled at each site. Each month, individual plants, in ...Read more
Author:Holmes, PM; Richardson, DM; Van Wilgen, BW; Gelderblom, CDate:Dec 2000The recovery of fynbos vegetation after invasion by dense stands of alien trees, and clearing by either 'burn standing’,’ fell and burn', or 'fell, remove and burn' treatments, was investigated in two watersheds in the Western Cape Province, ...Read more
Author:Chutter, FM; Noble, RGDate:May 1966In field ecological studies inferences must often be drawn from dissimilarities in numbers and species of organisms found in biological samples collected at different times and under various conditions.Read more
Author:Ferrar, AADate:Dec 1983In South Africa there is a serious lack of understanding of the relationship between human behaviour and environmental conservation. A multidisciplinary field of study is described dealing with the causes and effects of people's attitudes and ...Read more
Author:Staver, AC; Archibald, S; Levin, SDate:2011Savannas are known as ecosystems with tree cover below climate-defined equilibrium values. However, a predictive framework for understanding constraints on tree cover is lacking. The authors present a) a spatially extensive analysis of tree ...Read more
Author:Scholes, RJ; Dowty, PR; Caylor, K; Parsons, DAB; Frost, PGH; Shugart, HHDate:Jun 2002The Kalahari sand sheet occupies 2.5 million ha in southern Africa. It is an area with relatively similar deep Aeolian soils, and a strong south to north gradient in rainfall, from 200 to 1000 mm mean annual precipitation (MAP) in the region ...Read more
Author:Roux, D; De Moor, F; Cambray, J; Barber-James, HDate:Dec 2002A strategy for assigning priorities in biodiversity conservation was developed for the rivers of the proposed Greater Addo Elephant National Park (GAENP) in South Africa. Due to the limited availability of biological information on the ...Read more
Author:Privette, JL; Tian, Y; Roberts, G; Scholes, RJ; Wang, Y; Caylor, KK; Frost, P; Mukelabai, MDate:Mar 2004The Kalahari Transect is one of several International Geosphere-Biosphere Programme (IGBP) transects designed to address global change questions at the regional scale, in particular by exploiting natural parameter gradients ( Koch et al., ...Read more